Add overview

build.gradle

@@ -22,7 +22,8 @@ version "0.1.0"
 
 repositories {
     jcenter()
-    maven { url "http://dl.bintray.com/kotlin/ktor" }
+    maven { url "https://dl.bintray.com/kotlin/ktor" }
+    maven { url "https://dl.bintray.com/jetbrains/markdown" }
     maven { url "https://kotlin.bintray.com/kotlinx" }
     maven { url "https://kotlin.bintray.com/kotlin-js-wrappers" }
     mavenCentral()
@@ -87,6 +88,9 @@ kotlin {
 
                 implementation "de.westermann:KObserve-jvm:$observable_version"
 
+                //api 'org.jetbrains:markdown:0.1.28'
+                //implementation 'com.atlassian.commonmark:commonmark:0.12.1'
+                implementation 'com.vladsch.flexmark:flexmark-all:0.42.10'
                 api 'io.github.microutils:kotlin-logging:1.6.23'
                 api 'ch.qos.logback:logback-classic:1.2.3'
                 api 'org.fusesource.jansi:jansi:1.8'

gradle.properties

@@ -1 +1 @@
-kotlin.code.style=official
+kotlin.code.style=official

src/commonMain/kotlin/de/kif/common/CacheRepository.kt

@@ -0,0 +1,60 @@
+package de.kif.common
+
+import de.kif.common.model.Model
+import de.westermann.kobserve.event.EventHandler
+
+
+class CacheRepository<T : Model>(val repository: Repository<T>) : Repository<T> {
+
+    override val onCreate = EventHandler<Long>()
+    override val onUpdate = EventHandler<Long>()
+    override val onDelete = EventHandler<Long>()
+
+    var cache: Map<Long, T> = emptyMap()
+    var cacheComplete: Boolean = false
+
+    override suspend fun get(id: Long): T? {
+        return if (id in cache) {
+            cache[id]
+        } else {
+            val element = repository.get(id)
+
+            if (element != null) {
+                cache = cache + (id to element)
+            }
+
+            element
+        }
+    }
+
+    override suspend fun create(model: T): Long {
+        return repository.create(model)
+    }
+
+    override suspend fun update(model: T) {
+        val id = model.id
+        if (id != null) {
+            cache = cache - id
+        }
+        repository.update(model)
+    }
+
+    override suspend fun delete(id: Long) {
+        cache = cache - id
+        repository.delete(id)
+    }
+
+    override suspend fun all(): List<T> {
+        if (cacheComplete) {
+            return cache.values.toList()
+        } else {
+            val all = repository.all()
+
+            cache = all.associateBy { it.id!! }
+            cacheComplete = true
+
+            return all
+        }
+    }
+
+}

src/commonMain/kotlin/de/kif/common/ConstraintChecking.kt

@@ -0,0 +1,86 @@
+package de.kif.common
+
+import de.kif.common.model.ConstraintType
+import de.kif.common.model.Schedule
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class ConstraintError(
+    val reason: String = ""
+)
+
+@Serializable
+data class ConstraintMap(
+    val map: List<Pair<Long, List<ConstraintError>>>
+)
+
+fun checkConstraints(
+    check: List<Schedule>,
+    against: List<Schedule>
+): ConstraintMap {
+    val map = mutableMapOf<Long, List<ConstraintError>>()
+
+    for (schedule in check) {
+        if (schedule.id == null) continue
+        val errors = mutableListOf<ConstraintError>()
+
+        if (schedule.workGroup.projector && !schedule.room.projector) {
+            errors += ConstraintError("Work group requires projector, but room does not have one!")
+        }
+        if (schedule.workGroup.internet && !schedule.room.internet) {
+            errors += ConstraintError("Work group requires internet, but room does not have one!")
+        }
+        if (schedule.workGroup.whiteboard && !schedule.room.whiteboard) {
+            errors += ConstraintError("Work group requires whiteboard, but room does not have one!")
+        }
+        if (schedule.workGroup.blackboard && !schedule.room.blackboard) {
+            errors += ConstraintError("Work group requires blackboard, but room does not have one!")
+        }
+        if (schedule.workGroup.accessible && !schedule.room.accessible) {
+            errors += ConstraintError("Work group requires accessible, but room does not have one!")
+        }
+
+        for (constraint in schedule.workGroup.constraints) {
+            when (constraint.type) {
+                ConstraintType.OnlyOnDay -> {
+                    if (constraint.number.toInt() != schedule.day) {
+                        errors += ConstraintError("Work group requires day ${constraint.number}, but is on ${schedule.day}!")
+                    }
+                }
+                ConstraintType.OnlyAfterTime -> {
+                    if (constraint.number.toInt() > schedule.time) {
+                        errors += ConstraintError("Work group requires time after ${constraint.number}, but is on ${schedule.time}!")
+                    }
+                }
+                ConstraintType.NotAtSameTime -> {
+                    val start = schedule.getAbsoluteStartTime()
+                    val end = schedule.getAbsoluteEndTime()
+                    for (s in against) {
+                        if (
+                            s.workGroup.id == constraint.number &&
+                            start <= s.getAbsoluteEndTime() &&
+                            s.getAbsoluteStartTime() <= end
+                        ) {
+                            errors += ConstraintError("Work group requires not same time with ${s.workGroup.name}!")
+                        }
+                    }
+                }
+                ConstraintType.OnlyAfterWorkGroup -> {
+                    val start = schedule.getAbsoluteStartTime()
+                    for (s in against) {
+                        if (
+                            s.workGroup.id == constraint.number &&
+                            s.getAbsoluteEndTime() > start
+                        ) {
+                            errors += ConstraintError("Work group requires after ${s.workGroup.name}!")
+                        }
+                    }
+                }
+            }
+        }
+
+        map[schedule.id] = errors
+    }
+
+    return ConstraintMap(map.map { it.toPair() })
+}

src/commonMain/kotlin/de/kif/common/Message.kt

@@ -31,5 +31,5 @@ enum class MessageType {
 }
 
 enum class RepositoryType {
-    ROOM, SCHEDULE, TRACK, USER, WORK_GROUP
+    ROOM, SCHEDULE, TRACK, USER, WORK_GROUP, POST
 }

src/commonMain/kotlin/de/kif/common/model/Constraint.kt

@@ -0,0 +1,13 @@
+package de.kif.common.model
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Constraint(
+    val type: ConstraintType,
+    val number: Long
+)
+
+enum class ConstraintType {
+    OnlyOnDay, OnlyAfterTime, NotAtSameTime, OnlyAfterWorkGroup
+}

src/commonMain/kotlin/de/kif/common/model/Model.kt

@@ -3,5 +3,6 @@ package de.kif.common.model
 import de.kif.common.SearchElement
 
 interface Model {
+    val id : Long?
     fun createSearch(): SearchElement
 }

src/commonMain/kotlin/de/kif/common/model/Permission.kt

@@ -1,5 +1,5 @@
 package de.kif.common.model
 
 enum class Permission {
-    USER, SCHEDULE, WORK_GROUP, ROOM, PERSON, ADMIN
+    USER, SCHEDULE, WORK_GROUP, ROOM, POST, ADMIN
 }

src/commonMain/kotlin/de/kif/common/model/Post.kt

@@ -0,0 +1,29 @@
+package de.kif.common.model
+
+import de.kif.common.SearchElement
+import kotlin.random.Random
+
+data class Post(
+    override val id: Long? = null,
+    val name: String,
+    val content: String,
+    val url: String
+) : Model {
+
+    override fun createSearch() = SearchElement(
+        mapOf(
+            "name" to name
+        )
+    )
+
+    companion object {
+        private const val chars = "abcdefghijklmnopqrstuvwxyz"
+        private const val length = 32
+        fun generateUrl() = (0 until length).asSequence()
+            .map { Random.nextInt(chars.length) }
+            .map { chars[it] }
+            .map {
+                if (Random.nextBoolean()) it else it.toUpperCase()
+            }.joinToString("")
+    }
+}

src/commonMain/kotlin/de/kif/common/model/Room.kt

@@ -5,10 +5,14 @@ import kotlinx.serialization.Serializable
 
 @Serializable
 data class Room(
-    val id: Long? = null,
+    override val id: Long? = null,
     val name: String,
     val places: Int,
-    val projector: Boolean
+    val projector: Boolean,
+    val internet: Boolean,
+    val whiteboard: Boolean,
+    val blackboard: Boolean,
+    val accessible: Boolean
 ) : Model {
 
     override fun createSearch() = SearchElement(

src/commonMain/kotlin/de/kif/common/model/Schedule.kt

@@ -5,7 +5,7 @@ import kotlinx.serialization.Serializable
 
 @Serializable
 data class Schedule(
-    val id: Long?,
+    override val id: Long?,
     val workGroup: WorkGroup,
     val room: Room,
     val day: Int,
@@ -22,4 +22,7 @@ data class Schedule(
             "day" to day.toDouble()
         )
     )
+
+    fun getAbsoluteStartTime(): Int = day * 60 * 24 + time
+    fun getAbsoluteEndTime(): Int = getAbsoluteStartTime() + workGroup.length
 }

src/commonMain/kotlin/de/kif/common/model/Track.kt

@@ -5,7 +5,7 @@ import kotlinx.serialization.Serializable
 
 @Serializable
 data class Track(
-    val id: Long?,
+    override val id: Long?,
     val name: String,
     val color: Color
 ) : Model {

src/commonMain/kotlin/de/kif/common/model/User.kt

@@ -5,7 +5,7 @@ import kotlinx.serialization.Serializable
 
 @Serializable
 data class User(
-    val id: Long?,
+    override val id: Long?,
     val username: String,
     val password: String,
     val permissions: Set<Permission>

src/commonMain/kotlin/de/kif/common/model/WorkGroup.kt

@@ -5,14 +5,19 @@ import kotlinx.serialization.Serializable
 
 @Serializable
 data class WorkGroup(
-    val id: Long?,
+    override val id: Long?,
     val name: String,
     val interested: Int,
     val track: Track?,
     val projector: Boolean,
     val resolution: Boolean,
+    val internet: Boolean,
+    val whiteboard: Boolean,
+    val blackboard: Boolean,
+    val accessible: Boolean,
     val length: Int,
-    val language: Language
+    val language: Language,
+    val constraints: List<Constraint>
 ) : Model {
 
     override fun createSearch() = SearchElement(

src/jsMain/kotlin/de/kif/frontend/main.kt

@@ -2,6 +2,7 @@ package de.kif.frontend
 
 import de.kif.frontend.views.calendar.initCalendar
 import de.kif.frontend.views.initTableLayout
+import de.kif.frontend.views.initWorkGroupConstraints
 import de.westermann.kwebview.components.init
 import kotlin.browser.document
 
@@ -14,4 +15,7 @@ fun main() = init {
     if (document.getElementsByClassName("table-layout").length > 0) {
         initTableLayout()
     }
+    if (document.getElementsByClassName("work-group-constraints").length > 0) {
+        initWorkGroupConstraints()
+    }
 }

src/jsMain/kotlin/de/kif/frontend/repository/ScheduleRepository.kt

@@ -1,5 +1,6 @@
 package de.kif.frontend.repository
 
+import de.kif.common.ConstraintMap
 import de.kif.common.Message
 import de.kif.common.Repository
 import de.kif.common.RepositoryType
@@ -49,4 +50,14 @@ object ScheduleRepository : Repository<Schedule> {
 
         override fun onDelete(id: Long) = onDelete.emit(id)
     }
+
+    suspend fun checkConstraints(): ConstraintMap {
+        val json = repositoryGet("/api/constraints")
+        return parser.parse(json, ConstraintMap.serializer())
+    }
+
+    suspend fun checkConstraintsFor(schedule: Schedule): ConstraintMap {
+        val json = repositoryGet("/api/constraint/${schedule.id}")
+        return parser.parse(json, ConstraintMap.serializer())
+    }
 }

src/jsMain/kotlin/de/kif/frontend/views/WorkGroupConstraints.kt

@@ -0,0 +1,118 @@
+package de.kif.frontend.views
+
+import de.kif.frontend.launch
+import de.kif.frontend.repository.WorkGroupRepository
+import de.westermann.kobserve.event.EventListener
+import de.westermann.kwebview.View
+import de.westermann.kwebview.async
+import de.westermann.kwebview.components.*
+import de.westermann.kwebview.createHtmlView
+import org.w3c.dom.*
+import kotlin.browser.document
+
+fun initWorkGroupConstraints() {
+    var index = 10000
+
+    val constraints =
+        ListView.wrap<View>(document.getElementsByClassName("work-group-constraints")[0] as HTMLElement)
+    val addButton =
+        View.wrap(document.getElementsByClassName("work-group-constraints-add")[0] as HTMLElement)
+    val addList =
+        ListView.wrap<View>(document.getElementsByClassName("work-group-constraints-add-list")[0] as HTMLElement)
+
+    console.log(constraints.html)
+    console.log(addButton.html)
+    console.log(addList.html)
+
+    addButton.onClick {
+        addList.classList += "active"
+
+        var listener: EventListener<*>? = null
+
+        async {
+            listener = Body.onClick.reference {
+                addList.classList -= "active"
+                listener?.detach()
+            }
+        }
+    }
+
+    addList.textView("Add only on day") {
+        onClick {
+            constraints.html.appendChild(View.wrap(createHtmlView<HTMLDivElement>()) {
+                classList += "input-group"
+                html.appendChild(TextView("On day").apply { classList += "form-btn" }.html)
+                html.appendChild(InputView(InputType.NUMBER).apply {
+                    classList += "form-control"
+                    html.name = "constraint-only-on-day-${index++}"
+                    min = -1337.0
+                    max = 1337.0
+                }.html)
+            }.html)
+        }
+    }
+    addList.textView("Add only after time") {
+        onClick {
+            constraints.html.appendChild(View.wrap(createHtmlView<HTMLDivElement>()) {
+                classList += "input-group"
+                html.appendChild(TextView("After time").apply { classList += "form-btn" }.html)
+                html.appendChild(InputView(InputType.NUMBER).apply {
+                    classList += "form-control"
+                    html.name = "constraint-only-after-time-${index++}"
+                    min = -1337.0
+                    max = 133700.0
+                }.html)
+            }.html)
+        }
+    }
+    addList.textView("Add not at same time") {
+        onClick {
+            constraints.html.appendChild(View.wrap(createHtmlView<HTMLDivElement>()) {
+                classList += "input-group"
+                html.appendChild(TextView("Not with").apply { classList += "form-btn" }.html)
+
+                val select = createHtmlView<HTMLSelectElement>()
+                select.classList.add("form-control")
+                select.name = "constraint-not-at-same-time-${index++}"
+
+                launch {
+                    val all = WorkGroupRepository.all()
+
+                    for (wg in all) {
+                        val option = createHtmlView<HTMLOptionElement>()
+                        option.value = wg.id.toString()
+                        option.textContent = wg.name
+                        select.appendChild(option)
+                    }
+                }
+
+                html.appendChild(select)
+            }.html)
+        }
+    }
+    addList.textView("Add only after work group") {
+        onClick {
+            constraints.html.appendChild(View.wrap(createHtmlView<HTMLDivElement>()) {
+                classList += "input-group"
+                html.appendChild(TextView("After AK").apply { classList += "form-btn" }.html)
+
+                val select = createHtmlView<HTMLSelectElement>()
+                select.classList.add("form-control")
+                select.name = "constraint-only-after-work-group-${index++}"
+
+                launch {
+                    val all = WorkGroupRepository.all()
+
+                    for (wg in all) {
+                        val option = createHtmlView<HTMLOptionElement>()
+                        option.value = wg.id.toString()
+                        option.textContent = wg.name
+                        select.appendChild(option)
+                    }
+                }
+
+                html.appendChild(select)
+            }.html)
+        }
+    }
+}

src/jsMain/kotlin/de/kif/frontend/views/calendar/Calendar.kt

@@ -4,6 +4,7 @@ import de.kif.frontend.iterator
 import de.kif.frontend.launch
 import de.kif.frontend.repository.ScheduleRepository
 import de.westermann.kwebview.View
+import de.westermann.kwebview.createHtmlView
 import org.w3c.dom.*
 import kotlin.browser.document
 
@@ -30,7 +31,7 @@ class Calendar(calendar: HTMLElement) : View(calendar) {
     }
 
     fun scrollHorizontalTo(pixel: Double) {
-        calendarTable.scrollTo (ScrollToOptions(pixel, 0.0, ScrollBehavior.SMOOTH))
+        calendarTable.scrollTo(ScrollToOptions(pixel, 0.0, ScrollBehavior.SMOOTH))
     }
 
     init {
@@ -76,6 +77,27 @@ class Calendar(calendar: HTMLElement) : View(calendar) {
                 }
             }
         }
+
+        val cont = document.getElementsByClassName("header-right")[0] as HTMLElement
+
+        val view = View.wrap(createHtmlView<HTMLAnchorElement>())
+        cont.appendChild(view.html)
+        view.html.textContent = "Check"
+        view.onClick {
+            launch {
+                val errors = ScheduleRepository.checkConstraints()
+
+                println(errors)
+
+                for ((s, l) in errors.map) {
+                    for (entry in calendarEntries) {
+                        if (entry.scheduleId == s) {
+                            entry.error = l.isNotEmpty()
+                        }
+                    }
+                }
+            }
+        }
     }
 }
 

src/jsMain/kotlin/de/kif/frontend/views/calendar/CalendarEntry.kt

@@ -31,6 +31,7 @@ class CalendarEntry(private val calendar: Calendar, view: HTMLElement) : View(vi
     private lateinit var workGroup: WorkGroup
 
     var pending by classList.property("pending")
+    var error by classList.property("error")
     private var nextScroll = 0.0
 
     var editable: Boolean = false

src/jsMain/kotlin/de/westermann/kwebview/View.kt

@@ -144,6 +144,6 @@ abstract class View(view: HTMLElement = createHtmlView()) {
     }
 
     companion object {
-        fun wrap(htmlElement: HTMLElement) = object : View(htmlElement) {}
+        fun wrap(htmlElement: HTMLElement, init: View.() -> Unit = {}) = object : View(htmlElement) {}.also(init)
     }
 }

src/jsMain/resources/style/style.scss

@@ -296,6 +296,7 @@ a {
 
     span {
       padding: 0 0.5rem;
+
       &:hover {
         background-color: rgba($text-primary-color, 0.06);
       }
@@ -321,6 +322,12 @@ a {
   }
 }
 
+textarea.form-control {
+  height: 16rem;
+  line-height: 1.1rem;
+  padding: 0.6rem 1rem;
+}
+
 select:-moz-focusring {
   color: transparent;
   text-shadow: 0 0 0 $text-primary-color;
@@ -671,6 +678,10 @@ form {
     opacity: 0.6;
   }
 
+  &.error {
+    outline: solid 0.4rem $error-color;
+  }
+
   @include no-select()
 }
 
@@ -908,4 +919,115 @@ form {
       width: 4rem;
     }
   }
+}
+
+.work-group-constraints {
+  position: relative;
+}
+
+.work-group-constraints-add {
+  position: absolute;
+  top: 0;
+  right: 0;
+}
+
+.work-group-constraints-add-list {
+  position: absolute;
+  top: 0;
+  right: 0;
+  z-index: 1;
+  display: none;
+
+  background: $background-primary-color;
+  border: solid 1px rgba($text-primary-color, 0.1);
+
+  span {
+    padding: 0 0.5rem;
+
+    &:hover {
+      background-color: rgba($text-primary-color, 0.06);
+    }
+  }
+
+  &.active {
+    display: block;
+  }
+}
+
+.overview {
+  display: flex;
+}
+
+.overview-main {
+  flex-grow: 4;
+  margin-right: 1rem;
+}
+
+.overview-side {
+  min-width: 20%;
+}
+
+.overview-shortcuts {
+  a {
+    display: block;
+  }
+}
+
+.overview-twitter {
+  height: 20rem;
+  background-color: #b3e6f9;
+}
+
+.post {
+  position: relative;
+  padding-top: 2rem;
+}
+
+.post-name {
+  position: absolute;
+  top: 0;
+  left: 0;
+  font-size: 1.2rem;
+  color: $primary-color;
+  line-height: 2rem;
+
+  &:empty::before {
+    display: block;
+    content: 'No title';
+    opacity: 0.5;
+    font-size: 1.2rem;
+    line-height: 2rem;
+    color: $text-primary-color;
+  }
+}
+.post-edit {
+  position: absolute;
+  top: 0;
+  right: 0;
+  line-height: 2rem;
+}
+
+.post-content {
+  h1, h2, h3, h4, h5, h6 {
+    margin: 0;
+    padding: 0;
+  }
+  h1 {
+    font-size: 1rem;
+  }
+  h2 {
+    font-size: 1rem;
+  }
+  h3 {
+    font-size: 1rem;
+  }
+  h4 {
+    font-size: 1rem;
+  }
+  h5 {
+    font-size: 1rem;
+  }
+  h6 {
+    font-size: 1rem;
+  }
 }

src/jvmMain/kotlin/de/kif/backend/Application.kt

@@ -12,7 +12,9 @@ import io.ktor.http.content.static
 import io.ktor.jackson.jackson
 import io.ktor.routing.routing
 import io.ktor.websocket.WebSockets
+import kotlinx.serialization.ImplicitReflectionSerializer
 
+@ImplicitReflectionSerializer
 fun Application.main() {
     install(DefaultHeaders)
     install(CallLogging)
@@ -35,7 +37,7 @@ fun Application.main() {
         }
 
         // UI routes
-        dashboard()
+        overview()
         calendar()
         login()
         account()
@@ -53,6 +55,7 @@ fun Application.main() {
         trackApi()
         userApi()
         workGroupApi()
+        constraintsApi()
 
         // Web socket push notifications
         pushService()

src/jvmMain/kotlin/de/kif/backend/Main.kt

@@ -8,8 +8,10 @@ import io.ktor.application.Application
 import io.ktor.server.engine.embeddedServer
 import io.ktor.server.netty.Netty
 import kotlinx.coroutines.runBlocking
+import kotlinx.serialization.ImplicitReflectionSerializer
 
 object Main {
+    @ImplicitReflectionSerializer
     @Suppress("UnusedMainParameter")
     @JvmStatic
     fun main(args: Array<String>) {

src/jvmMain/kotlin/de/kif/backend/database/Connection.kt

@@ -18,7 +18,8 @@ object Connection {
             SchemaUtils.create(
                 DbTrack, DbWorkGroup,
                 DbRoom, DbSchedule,
-                DbUser, DbUserPermission
+                DbUser, DbUserPermission,
+                DbPost
             )
         }
     }

src/jvmMain/kotlin/de/kif/backend/database/Schema.kt

@@ -12,15 +12,22 @@ object DbTrack : Table() {
 
 object DbWorkGroup : Table() {
     val id = long("id").autoIncrement().primaryKey()
-    val name = varchar("first_name", 64)
+    val name = varchar("name", 64)
 
     val interested = integer("interested")
     val trackId = long("track_id").nullable()
     val projector = bool("projector")
     val resolution = bool("resolution")
+
+    val internet = bool("internet")
+    val whiteboard = bool("whiteboard")
+    val blackboard = bool("blackboard")
+    val accessible = bool("accessible")
+
     val language = enumeration("language", Language::class)
 
     val length = integer("length")
+    val constraints = text("constraints")
 }
 
 object DbRoom : Table() {
@@ -29,6 +36,11 @@ object DbRoom : Table() {
 
     val places = integer("places")
     val projector = bool("projector")
+
+    val internet = bool("internet")
+    val whiteboard = bool("whiteboard")
+    val blackboard = bool("blackboard")
+    val accessible = bool("accessible")
 }
 
 object DbSchedule : Table() {
@@ -49,3 +61,11 @@ object DbUserPermission : Table() {
     val userId = long("id").primaryKey(0)
     val permission = enumeration("permission", Permission::class).primaryKey(1)
 }
+
+object DbPost : Table() {
+    val id = long("id").autoIncrement().primaryKey()
+    val name = varchar("name", 64)
+
+    val content = text("content")
+    val url = varchar("url", 64).uniqueIndex()
+}

src/jvmMain/kotlin/de/kif/backend/repository/PostRepository.kt

@@ -0,0 +1,107 @@
+package de.kif.backend.repository
+
+import de.kif.backend.database.DbPost
+import de.kif.backend.database.dbQuery
+import de.kif.backend.util.PushService
+import de.kif.common.MessageType
+import de.kif.common.Repository
+import de.kif.common.RepositoryType
+import de.kif.common.model.Post
+import de.westermann.kobserve.event.EventHandler
+import kotlinx.coroutines.runBlocking
+import org.jetbrains.exposed.sql.*
+
+object PostRepository : Repository<Post> {
+
+    override val onCreate = EventHandler<Long>()
+    override val onUpdate = EventHandler<Long>()
+    override val onDelete = EventHandler<Long>()
+
+    private fun rowToModel(row: ResultRow): Post {
+        val id = row[DbPost.id]
+        val name = row[DbPost.name]
+        val content = row[DbPost.content]
+        val url = row[DbPost.url]
+
+        return Post(id, name, content, url)
+    }
+
+    override suspend fun get(id: Long): Post? {
+        return dbQuery {
+            rowToModel(DbPost.select { DbPost.id eq id }.firstOrNull() ?: return@dbQuery null)
+        }
+    }
+
+    override suspend fun create(model: Post): Long {
+        return dbQuery {
+            val id = DbPost.insert {
+                it[name] = model.name
+                it[content] = model.content
+                it[url] = model.url
+            }[DbPost.id] ?: throw IllegalStateException("Cannot create model!")
+
+            onCreate.emit(id)
+
+            id
+        }
+    }
+
+    override suspend fun update(model: Post) {
+        if (model.id == null) throw IllegalStateException("Cannot update model which was not created!")
+        dbQuery {
+            DbPost.update({ DbPost.id eq model.id }) {
+                it[name] = model.name
+                it[content] = model.content
+                it[url] = model.url
+            }
+
+            onUpdate.emit(model.id)
+        }
+    }
+
+    override suspend fun delete(id: Long) {
+        onDelete.emit(id)
+
+        dbQuery {
+            DbPost.deleteWhere { DbPost.id eq id }
+        }
+    }
+
+    override suspend fun all(): List<Post> {
+        return dbQuery {
+            val result = DbPost.selectAll()
+
+            result.map(this::rowToModel)
+        }
+    }
+
+    suspend fun getByUrl(url: String): Post? {
+        return dbQuery {
+            val result = DbPost.select { DbPost.url eq url }
+
+            runBlocking {
+                result.firstOrNull()?.let {
+                    rowToModel(it)
+                }
+            }
+        }
+    }
+
+    fun registerPushService() {
+        onCreate {
+            runBlocking {
+                PushService.notify(MessageType.CREATE, RepositoryType.POST, it)
+            }
+        }
+        onUpdate {
+            runBlocking {
+                PushService.notify(MessageType.UPDATE, RepositoryType.POST, it)
+            }
+        }
+        onDelete {
+            runBlocking {
+                PushService.notify(MessageType.DELETE, RepositoryType.POST, it)
+            }
+        }
+    }
+}

src/jvmMain/kotlin/de/kif/backend/repository/RoomRepository.kt

@@ -20,8 +20,12 @@ object RoomRepository : Repository<Room> {
         val name = row[DbRoom.name]
         val places = row[DbRoom.places]
         val projector = row[DbRoom.projector]
+        val internet = row[DbRoom.internet]
+        val whiteboard = row[DbRoom.whiteboard]
+        val blackboard = row[DbRoom.blackboard]
+        val accessible = row[DbRoom.accessible]
 
-        return Room(id, name, places, projector)
+        return Room(id, name, places, projector, internet, whiteboard, blackboard, accessible)
     }
 
     override suspend fun get(id: Long): Room? {
@@ -36,6 +40,10 @@ object RoomRepository : Repository<Room> {
                 it[name] = model.name
                 it[places] = model.places
                 it[projector] = model.projector
+                it[internet] = model.internet
+                it[whiteboard] = model.whiteboard
+                it[blackboard] = model.blackboard
+                it[accessible] = model.accessible
             }[DbRoom.id] ?: throw IllegalStateException("Cannot create model!")
 
             onCreate.emit(id)
@@ -51,6 +59,10 @@ object RoomRepository : Repository<Room> {
                 it[name] = model.name
                 it[places] = model.places
                 it[projector] = model.projector
+                it[internet] = model.internet
+                it[whiteboard] = model.whiteboard
+                it[blackboard] = model.blackboard
+                it[accessible] = model.accessible
             }
 
             onUpdate.emit(model.id)

src/jvmMain/kotlin/de/kif/backend/repository/WorkGroupRepository.kt

@@ -3,12 +3,15 @@ package de.kif.backend.repository
 import de.kif.backend.database.DbWorkGroup
 import de.kif.backend.database.dbQuery
 import de.kif.backend.util.PushService
+import de.kif.common.Message
 import de.kif.common.MessageType
 import de.kif.common.Repository
 import de.kif.common.RepositoryType
+import de.kif.common.model.Constraint
 import de.kif.common.model.WorkGroup
 import de.westermann.kobserve.event.EventHandler
 import kotlinx.coroutines.runBlocking
+import kotlinx.serialization.list
 import org.jetbrains.exposed.sql.*
 
 object WorkGroupRepository : Repository<WorkGroup> {
@@ -24,12 +27,31 @@ object WorkGroupRepository : Repository<WorkGroup> {
         val trackId = row[DbWorkGroup.trackId]
         val projector = row[DbWorkGroup.projector]
         val resolution = row[DbWorkGroup.resolution]
+        val internet = row[DbWorkGroup.internet]
+        val whiteboard = row[DbWorkGroup.whiteboard]
+        val blackboard = row[DbWorkGroup.blackboard]
+        val accessible = row[DbWorkGroup.accessible]
         val length = row[DbWorkGroup.length]
         val language = row[DbWorkGroup.language]
+        val constraints = Message.json.parse(Constraint.serializer().list, row[DbWorkGroup.constraints])
 
         val track = trackId?.let { TrackRepository.get(it) }
 
-        return WorkGroup(id, name, interested, track, projector, resolution, length, language)
+        return WorkGroup(
+            id,
+            name,
+            interested,
+            track,
+            projector,
+            resolution,
+            internet,
+            whiteboard,
+            blackboard,
+            accessible,
+            length,
+            language,
+            constraints
+        )
     }
 
     override suspend fun get(id: Long): WorkGroup? {
@@ -50,8 +72,13 @@ object WorkGroupRepository : Repository<WorkGroup> {
                 it[trackId] = model.track?.id
                 it[projector] = model.projector
                 it[resolution] = model.resolution
+                it[internet] = model.internet
+                it[whiteboard] = model.whiteboard
+                it[blackboard] = model.blackboard
+                it[accessible] = model.accessible
                 it[length] = model.length
                 it[language] = model.language
+                it[constraints] = Message.json.stringify(Constraint.serializer().list, model.constraints)
             }[DbWorkGroup.id] ?: throw IllegalStateException("Cannot create model!")
 
             onCreate.emit(id)
@@ -69,8 +96,13 @@ object WorkGroupRepository : Repository<WorkGroup> {
                 it[trackId] = model.track?.id
                 it[projector] = model.projector
                 it[resolution] = model.resolution
+                it[internet] = model.internet
+                it[whiteboard] = model.whiteboard
+                it[blackboard] = model.blackboard
+                it[accessible] = model.accessible
                 it[length] = model.length
                 it[language] = model.language
+                it[constraints] = Message.json.stringify(Constraint.serializer().list, model.constraints)
             }
 
             onUpdate.emit(model.id)

src/jvmMain/kotlin/de/kif/backend/route/Calendar.kt

@@ -136,7 +136,7 @@ private fun DIV.renderTimeToRoom(
                         val minutes = (time % 60).toString().padStart(2, '0')
                         val hours = (time / 60).toString().padStart(2, '0')
                         title = "$hours:$minutes"
-                        attributes["data-time"] = time.toString()
+                        attributes["data-time"] = start.toString()
                         attributes["data-room"] = room.id.toString()
                         attributes["data-day"] = day.toString()
 
@@ -203,7 +203,7 @@ private fun DIV.renderRoomToTime(
 
                 for (room in rooms) {
                     div("calendar-cell") {
-                        attributes["data-time"] = time.toString()
+                        attributes["data-time"] = start.toString()
                         attributes["data-room"] = room.id.toString()
                         attributes["data-day"] = day.toString()
                         title = timeString
@@ -251,6 +251,7 @@ fun Route.calendar() {
 
     get("/calendar/{day}") {
         val user = isAuthenticated(Permission.SCHEDULE)
+        val editable = user != null
 
         val day = call.parameters["day"]?.toIntOrNull() ?: return@get
 
@@ -280,11 +281,14 @@ fun Route.calendar() {
             min = h1
         }
 
+        if (editable) {
+            min = min(min, 0)
+            max = max(max, 24 * 60)
+        }
+
         min = (min / 60 - 1) * 60
         max = (max / 60 + 2) * 60
 
-        min = min(min, 0)
-
         call.respondHtmlTemplate(MainTemplate()) {
             menuTemplate {
                 this.user = user
@@ -314,7 +318,6 @@ fun Route.calendar() {
                 }
 
                 div("calendar") {
-                    val editable = user != null
                     attributes["data-day"] = day.toString()
                     attributes["data-editable"] = editable.toString()
 

src/jvmMain/kotlin/de/kif/backend/route/Dashboard.kt

@@ -1,27 +0,0 @@
-package de.kif.backend.route
-
-import de.kif.backend.PortalSession
-import de.kif.backend.view.MainTemplate
-import de.kif.backend.view.MenuTemplate
-import io.ktor.application.call
-import io.ktor.html.respondHtmlTemplate
-import io.ktor.routing.Route
-import io.ktor.routing.get
-import io.ktor.sessions.get
-import io.ktor.sessions.sessions
-import kotlinx.html.h1
-
-fun Route.dashboard() {
-    get("") {
-        val user = call.sessions.get<PortalSession>()?.getUser(call)
-        call.respondHtmlTemplate(MainTemplate()) {
-            menuTemplate {
-                this.user = user
-                active = MenuTemplate.Tab.DASHBOARD
-            }
-            content {
-                h1 { +"Dashboard" }
-            }
-        }
-    }
-}

src/jvmMain/kotlin/de/kif/backend/route/Overview.kt

@@ -0,0 +1,281 @@
+package de.kif.backend.route
+
+import de.kif.backend.authenticateOrRedirect
+import de.kif.backend.isAuthenticated
+import de.kif.backend.repository.PostRepository
+import de.kif.backend.util.markdownToHtml
+import de.kif.backend.view.MainTemplate
+import de.kif.backend.view.MenuTemplate
+import de.kif.common.model.Permission
+import de.kif.common.model.Post
+import io.ktor.application.call
+import io.ktor.html.respondHtmlTemplate
+import io.ktor.request.receiveParameters
+import io.ktor.response.respondRedirect
+import io.ktor.routing.Route
+import io.ktor.routing.get
+import io.ktor.routing.post
+import io.ktor.util.toMap
+import kotlinx.html.*
+
+fun Route.overview() {
+    get("") {
+        val user = isAuthenticated(Permission.POST)
+        val editable = user != null
+
+        val postList = PostRepository.all().asReversed()
+
+        call.respondHtmlTemplate(MainTemplate()) {
+            menuTemplate {
+                this.user = user
+                active = MenuTemplate.Tab.BOARD
+            }
+            content {
+                div("overview") {
+                    div("overview-main") {
+                        if (editable) {
+                            div("overview-new") {
+                                a("post/new", classes = "form-btn") {
+                                    +"New"
+                                }
+                            }
+                        }
+
+                        for (post in postList) {
+                            div("overview-post post") {
+                                span("post-name") {
+                                    +post.name
+                                }
+                                if (editable) {
+                                    a("/post/${post.id}", classes = "post-edit") {
+                                        i("material-icons") { +"edit" }
+                                    }
+                                }
+                                div("post-content") {
+                                    unsafe {
+                                        raw(markdownToHtml(post.content))
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    div("overview-side") {
+                        div("overview-shortcuts") {
+                            a {
+                                +"Wiki"
+                            }
+                            a {
+                                +"Wiki"
+                            }
+                            a {
+                                +"Wiki"
+                            }
+                            a {
+                                +"Wiki"
+                            }
+                            a {
+                                +"Wiki"
+                            }
+                            a {
+                                +"Wiki"
+                            }
+                        }
+                        div("overview-twitter") {
+                            +"The Twitter Wall"
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+
+    get("/post/{id}") {
+        authenticateOrRedirect(Permission.POST) { user ->
+            val postId = call.parameters["id"]?.toLongOrNull() ?: return@get
+            val editPost = PostRepository.get(postId) ?: return@get
+            call.respondHtmlTemplate(MainTemplate()) {
+                menuTemplate {
+                    this.user = user
+                    active = MenuTemplate.Tab.BOARD
+                }
+                content {
+                    h1 { +"Edit post" }
+                    form(method = FormMethod.post) {
+                        div("form-group") {
+                            label {
+                                htmlFor = "name"
+                                +"Name"
+                            }
+                            input(
+                                name = "name",
+                                classes = "form-control"
+                            ) {
+                                id = "name"
+                                placeholder = "Name"
+                                value = editPost.name
+                            }
+                        }
+                        div("form-group") {
+                            label {
+                                htmlFor = "url"
+                                +"Url"
+                            }
+                            input(
+                                name = "url",
+                                classes = "form-control"
+                            ) {
+                                id = "places"
+                                placeholder = "Places"
+                                value = editPost.url
+                            }
+                        }
+
+                        div("form-group") {
+                            label {
+                                htmlFor = "content"
+                                +"Content"
+                            }
+                            textArea(rows = "10", classes = "form-control") {
+                                name = "content"
+                                id = "projector"
+
+                                +editPost.content
+                            }
+                        }
+
+                        div("form-group") {
+                            a("/") {
+                                button(classes = "form-btn") {
+                                    +"Cancel"
+                                }
+                            }
+                            button(type = ButtonType.submit, classes = "form-btn btn-primary") {
+                                +"Save"
+                            }
+                        }
+                    }
+                    a("/post/${editPost.id}/delete") {
+                        button(classes = "form-btn btn-danger") {
+                            +"Delete"
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    post("/post/{id}") {
+        authenticateOrRedirect(Permission.POST) { user ->
+            val postId = call.parameters["id"]?.toLongOrNull() ?: return@post
+            val params = call.receiveParameters().toMap().mapValues { (_, list) ->
+                list.firstOrNull()
+            }
+            var post = PostRepository.get(postId) ?: return@post
+
+            params["name"]?.let { post = post.copy(name = it) }
+            params["url"]?.let { post = post.copy(url = it) }
+            params["content"]?.let { post = post.copy(content = it) }
+
+            PostRepository.update(post)
+
+            call.respondRedirect("/")
+        }
+    }
+
+    get("/post/new") {
+        authenticateOrRedirect(Permission.POST) { user ->
+            call.respondHtmlTemplate(MainTemplate()) {
+                menuTemplate {
+                    this.user = user
+                    active = MenuTemplate.Tab.BOARD
+                }
+                content {
+                    h1 { +"Create post" }
+                    form(method = FormMethod.post) {
+                        div("form-group") {
+                            label {
+                                htmlFor = "name"
+                                +"Name"
+                            }
+                            input(
+                                name = "name",
+                                classes = "form-control"
+                            ) {
+                                id = "name"
+                                placeholder = "Name"
+                                value = ""
+                            }
+                        }
+                        div("form-group") {
+                            label {
+                                htmlFor = "url"
+                                +"Url"
+                            }
+                            input(
+                                name = "url",
+                                classes = "form-control"
+                            ) {
+                                id = "places"
+                                placeholder = "Places"
+                                value = Post.generateUrl()
+                            }
+                        }
+
+                        div("form-group") {
+                            label {
+                                htmlFor = "content"
+                                +"Content"
+                            }
+                            textArea(rows = "10", classes = "form-control") {
+                                name = "content"
+                                id = "projector"
+
+                                +""
+                            }
+                        }
+
+                        div("form-group") {
+                            a("/") {
+                                button(classes = "form-btn") {
+                                    +"Cancel"
+                                }
+                            }
+                            button(type = ButtonType.submit, classes = "form-btn btn-primary") {
+                                +"Create"
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    post("/post/new") {
+        authenticateOrRedirect(Permission.POST) { user ->
+            val params = call.receiveParameters().toMap().mapValues { (_, list) ->
+                list.firstOrNull()
+            }
+
+            val name = params["name"] ?: return@post
+            val content = params["content"] ?: return@post
+            val url = params["url"] ?: return@post
+
+            val post = Post(null, name, content, url)
+
+            PostRepository.create(post)
+
+            call.respondRedirect("/")
+        }
+    }
+
+    get("/post/{id}/delete") {
+        authenticateOrRedirect(Permission.POST) { user ->
+            val postId = call.parameters["id"]?.toLongOrNull() ?: return@get
+
+            PostRepository.delete(postId)
+
+            call.respondRedirect("/")
+        }
+    }
+}

src/jvmMain/kotlin/de/kif/backend/route/Room.kt

@@ -36,7 +36,6 @@ fun Route.room() {
                     active = MenuTemplate.Tab.ROOM
                 }
                 content {
-                    h1 { +"Rooms" }
                     insert(TableTemplate()) {
                         searchValue = search
 
@@ -169,6 +168,74 @@ fun Route.room() {
                             }
                         }
 
+                        div("form-switch-group") {
+                            div("form-group form-switch") {
+                                input(
+                                    name = "internet",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "internet"
+                                    checked = editRoom.internet
+                                }
+                                label {
+                                    htmlFor = "internet"
+                                    +"Internet"
+                                }
+                            }
+                        }
+
+                        div("form-switch-group") {
+                            div("form-group form-switch") {
+                                input(
+                                    name = "whiteboard",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "whiteboard"
+                                    checked = editRoom.whiteboard
+                                }
+                                label {
+                                    htmlFor = "whiteboard"
+                                    +"Whiteboard"
+                                }
+                            }
+                        }
+
+                        div("form-switch-group") {
+                            div("form-group form-switch") {
+                                input(
+                                    name = "blackboard",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "blackboard"
+                                    checked = editRoom.blackboard
+                                }
+                                label {
+                                    htmlFor = "blackboard"
+                                    +"Blackboard"
+                                }
+                            }
+                        }
+
+                        div("form-switch-group") {
+                            div("form-group form-switch") {
+                                input(
+                                    name = "accessible",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "accessible"
+                                    checked = editRoom.accessible
+                                }
+                                label {
+                                    htmlFor = "accessible"
+                                    +"Accessible"
+                                }
+                            }
+                        }
+
                         div("form-group") {
                             a("/room") {
                                 button(classes = "form-btn") {
@@ -201,6 +268,10 @@ fun Route.room() {
             params["name"]?.let { room = room.copy(name = it) }
             params["places"]?.let { room = room.copy(places = it.toIntOrNull() ?: 0) }
             params["projector"]?.let { room = room.copy(projector = it == "on") }
+            params["internet"]?.let { room = room.copy(internet = it == "on") }
+            params["whiteboard"]?.let { room = room.copy(whiteboard = it == "on") }
+            params["blackboard"]?.let { room = room.copy(blackboard = it == "on") }
+            params["accessible"]?.let { room = room.copy(accessible = it == "on") }
 
             RoomRepository.update(room)
 
@@ -268,6 +339,74 @@ fun Route.room() {
                             }
                         }
 
+                        div("form-switch-group") {
+                            div("form-group form-switch") {
+                                input(
+                                    name = "internet",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "internet"
+                                    checked = false
+                                }
+                                label {
+                                    htmlFor = "internet"
+                                    +"Internet"
+                                }
+                            }
+                        }
+
+                        div("form-switch-group") {
+                            div("form-group form-switch") {
+                                input(
+                                    name = "whiteboard",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "whiteboard"
+                                    checked = false
+                                }
+                                label {
+                                    htmlFor = "whiteboard"
+                                    +"Whiteboard"
+                                }
+                            }
+                        }
+
+                        div("form-switch-group") {
+                            div("form-group form-switch") {
+                                input(
+                                    name = "blackboard",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "blackboard"
+                                    checked = false
+                                }
+                                label {
+                                    htmlFor = "blackboard"
+                                    +"Blackboard"
+                                }
+                            }
+                        }
+
+                        div("form-switch-group") {
+                            div("form-group form-switch") {
+                                input(
+                                    name = "accessible",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "accessible"
+                                    checked = false
+                                }
+                                label {
+                                    htmlFor = "accessible"
+                                    +"Accessible"
+                                }
+                            }
+                        }
+
                         div("form-group") {
                             a("/room") {
                                 button(classes = "form-btn") {
@@ -293,8 +432,12 @@ fun Route.room() {
             val name = params["name"] ?: return@post
             val places = (params["places"] ?: return@post).toIntOrNull() ?: 0
             val projector = params["projector"] == "on"
+            val internet = params["internet"] == "on"
+            val whiteboard = params["whiteboard"] == "on"
+            val blackboard = params["blackboard"] == "on"
+            val accessible = params["accessible"] == "on"
 
-            val room = Room(null, name, places, projector)
+            val room = Room(null, name, places, projector, internet, whiteboard, blackboard, accessible)
 
             RoomRepository.create(room)
 

src/jvmMain/kotlin/de/kif/backend/route/Track.kt

@@ -94,7 +94,6 @@ fun Route.track() {
                     active = MenuTemplate.Tab.WORK_GROUP
                 }
                 content {
-                    h1 { +"Tracks" }
                     insert(TableTemplate()) {
                         searchValue = search
 

src/jvmMain/kotlin/de/kif/backend/route/User.kt

@@ -37,7 +37,6 @@ fun Route.user() {
                     active = MenuTemplate.Tab.USER
                 }
                 content {
-                    h1 { +"Users" }
                     insert(TableTemplate()) {
                         searchValue = search
 

src/jvmMain/kotlin/de/kif/backend/route/WorkGroup.kt

@@ -1,6 +1,5 @@
 package de.kif.backend.route
 
-
 import de.kif.backend.authenticateOrRedirect
 import de.kif.backend.repository.TrackRepository
 import de.kif.backend.repository.WorkGroupRepository
@@ -8,9 +7,7 @@ import de.kif.backend.view.MainTemplate
 import de.kif.backend.view.MenuTemplate
 import de.kif.backend.view.TableTemplate
 import de.kif.common.Search
-import de.kif.common.model.Language
+import de.kif.common.model.*
-import de.kif.common.model.Permission
-import de.kif.common.model.WorkGroup
 import io.ktor.application.call
 import io.ktor.html.insert
 import io.ktor.html.respondHtmlTemplate
@@ -36,7 +33,6 @@ fun Route.workGroup() {
                     active = MenuTemplate.Tab.WORK_GROUP
                 }
                 content {
-                    h1 { +"Work groups" }
                     insert(TableTemplate()) {
                         searchValue = search
 
@@ -157,6 +153,17 @@ fun Route.workGroup() {
             val workGroupId = call.parameters["id"]?.toLongOrNull() ?: return@get
             val editWorkGroup = WorkGroupRepository.get(workGroupId) ?: return@get
             val tracks = TrackRepository.all()
+
+            val workGroups = editWorkGroup.constraints.mapNotNull {
+                when (it.type) {
+                    ConstraintType.NotAtSameTime -> it.number
+                    ConstraintType.OnlyAfterWorkGroup -> it.number
+                    else -> null
+                }
+            }.distinct().associateWith {
+                WorkGroupRepository.get(it)!!
+            }
+
             call.respondHtmlTemplate(MainTemplate()) {
                 menuTemplate {
                     this.user = user
@@ -201,7 +208,6 @@ fun Route.workGroup() {
                                 htmlFor = "track"
                                 +"Track"
                             }
-                            //div("input-group") {
                             select(
                                 classes = "form-control"
                             ) {
@@ -220,12 +226,6 @@ fun Route.workGroup() {
                                     }
                                 }
                             }
-                            /*
-                                a("/tracks", classes = "form-btn") {
-                                    i("material-icons") { +"edit" }
-                                }
-                            }
-                            */
                         }
                         div("form-group") {
                             label {
@@ -294,6 +294,149 @@ fun Route.workGroup() {
                                     +"Resolution"
                                 }
                             }
+
+                            div("form-group form-switch") {
+                                input(
+                                    name = "internet",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "internet"
+                                    checked = editWorkGroup.internet
+                                }
+                                label {
+                                    htmlFor = "internet"
+                                    +"Internet"
+                                }
+                            }
+
+                            div("form-group form-switch") {
+                                input(
+                                    name = "whiteboard",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "whiteboard"
+                                    checked = editWorkGroup.whiteboard
+                                }
+                                label {
+                                    htmlFor = "whiteboard"
+                                    +"Whiteboard"
+                                }
+                            }
+
+                            div("form-group form-switch") {
+                                input(
+                                    name = "blackboard",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "blackboard"
+                                    checked = editWorkGroup.blackboard
+                                }
+                                label {
+                                    htmlFor = "blackboard"
+                                    +"Blackboard"
+                                }
+                            }
+
+                            div("form-group form-switch") {
+                                input(
+                                    name = "accessible",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "accessible"
+                                    checked = editWorkGroup.accessible
+                                }
+                                label {
+                                    htmlFor = "accessible"
+                                    +"Accessible"
+                                }
+                            }
+
+                            div("work-group-constraints")
+                        }
+
+                        div("form-group work-group-constraints") {
+                            label {
+                                +"Constraints"
+                            }
+                            span("form-btn work-group-constraints-add") {
+                                i("material-icons") { +"add" }
+                            }
+                            div("work-group-constraints-add-list") {
+
+                            }
+                            for ((index, constraint) in editWorkGroup.constraints.withIndex()) {
+                                div("input-group") {
+                                    when (constraint.type) {
+                                        ConstraintType.OnlyOnDay -> {
+                                            span("form-btn") {
+                                                +"On day"
+                                            }
+                                            input(
+                                                name = "constraint-only-on-day-$index",
+                                                classes = "form-control",
+                                                type = InputType.number
+                                            ) {
+                                                value = constraint.number.toString()
+
+                                                min = "-1337"
+                                                max = "1337"
+                                            }
+                                        }
+                                        ConstraintType.OnlyAfterTime -> {
+                                            span("form-btn") {
+                                                +"After time"
+                                            }
+                                            input(
+                                                name = "constraint-only-after-time-$index",
+                                                classes = "form-control",
+                                                type = InputType.number
+                                            ) {
+                                                value = constraint.number.toString()
+
+                                                min = "-1337"
+                                                max = "133700"
+                                            }
+                                        }
+                                        ConstraintType.NotAtSameTime -> {
+                                            span("form-btn") {
+                                                +"Not with"
+                                            }
+                                            select(
+                                                classes = "form-control"
+                                            ) {
+                                                name = "constraint-not-at-same-time-$index"
+
+                                                option {
+                                                    selected = true
+                                                    value = constraint.number.toString()
+                                                    +(workGroups[constraint.number]?.name ?: "")
+                                                }
+                                            }
+                                        }
+                                        ConstraintType.OnlyAfterWorkGroup -> {
+                                            span("form-btn") {
+                                                +"After AK"
+                                            }
+                                            select(
+                                                classes = "form-control"
+                                            ) {
+                                                name = "constraint-only-after-work-group-$index"
+
+                                                option {
+                                                    selected = true
+                                                    value = constraint.number.toString()
+                                                    +(workGroups[constraint.number]?.name ?: "")
+                                                }
+                                            }
+                                        }
+                                    }
+
+                                }
+                            }
                         }
 
                         div("form-group") {
@@ -333,12 +476,37 @@ fun Route.workGroup() {
             }
             params["projector"]?.let { editWorkGroup = editWorkGroup.copy(projector = it == "on") }
             params["resolution"]?.let { editWorkGroup = editWorkGroup.copy(resolution = it == "on") }
+            params["internet"]?.let { editWorkGroup = editWorkGroup.copy(internet = it == "on") }
+            params["whiteboard"]?.let { editWorkGroup = editWorkGroup.copy(whiteboard = it == "on") }
+            params["blackboard"]?.let { editWorkGroup = editWorkGroup.copy(blackboard = it == "on") }
+            params["accessible"]?.let { editWorkGroup = editWorkGroup.copy(accessible = it == "on") }
+
             params["length"]?.toIntOrNull()?.let { editWorkGroup = editWorkGroup.copy(length = it) }
             params["language"]?.let {
                 editWorkGroup =
                     editWorkGroup.copy(language = Language.values().find { l -> l.code == it } ?: Language.GERMAN)
             }
 
+            val constraints = params.mapNotNull { (key, value)  ->
+                when {
+                    key.startsWith("constraint-only-on-day") -> {
+                        value?.toLongOrNull()?.let { Constraint(ConstraintType.OnlyOnDay, it) }
+                    }
+                    key.startsWith("constraint-only-after-time") -> {
+                        value?.toLongOrNull()?.let { Constraint(ConstraintType.OnlyAfterTime, it) }
+                    }
+                    key.startsWith("constraint-not-at-same-time") -> {
+                        value?.toLongOrNull()?.let { Constraint(ConstraintType.NotAtSameTime, it) }
+                    }
+                    key.startsWith("constraint-only-after-work-group") -> {
+                        value?.toLongOrNull()?.let { Constraint(ConstraintType.OnlyAfterWorkGroup, it) }
+                    }
+                    else -> null
+                }
+            }
+
+            editWorkGroup = editWorkGroup.copy(constraints = constraints)
+
             WorkGroupRepository.update(editWorkGroup)
 
             call.respondRedirect("/workgroups")
@@ -477,6 +645,78 @@ fun Route.workGroup() {
                                     +"Resolution"
                                 }
                             }
+
+                            div("form-group form-switch") {
+                                input(
+                                    name = "internet",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "internet"
+                                    checked = false
+                                }
+                                label {
+                                    htmlFor = "internet"
+                                    +"Internet"
+                                }
+                            }
+
+                            div("form-group form-switch") {
+                                input(
+                                    name = "whiteboard",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "whiteboard"
+                                    checked = false
+                                }
+                                label {
+                                    htmlFor = "whiteboard"
+                                    +"Whiteboard"
+                                }
+                            }
+
+                            div("form-group form-switch") {
+                                input(
+                                    name = "blackboard",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "blackboard"
+                                    checked = false
+                                }
+                                label {
+                                    htmlFor = "blackboard"
+                                    +"Blackboard"
+                                }
+                            }
+
+                            div("form-group form-switch") {
+                                input(
+                                    name = "accessible",
+                                    classes = "form-control",
+                                    type = InputType.checkBox
+                                ) {
+                                    id = "accessible"
+                                    checked = false
+                                }
+                                label {
+                                    htmlFor = "accessible"
+                                    +"Accessible"
+                                }
+                            }
+                        }
+
+                        div("form-group work-group-constraints") {
+                            label {
+                                +"Constraints"
+                            }
+                            span("form-btn work-group-constraints-add") {
+                                i("material-icons") { +"add" }
+                            }
+                            div("work-group-constraints-add-list") {
+
+                            }
                         }
 
                         div("form-group") {
@@ -511,6 +751,29 @@ fun Route.workGroup() {
                 Language.values().find { l -> l.code == it } ?: Language.GERMAN
             }
 
+            val internet = params["internet"] == "on"
+            val whiteboard = params["whiteboard"] == "on"
+            val blackboard = params["blackboard"] == "on"
+            val accessible = params["accessible"] == "on"
+
+            val constraints = params.mapNotNull { (key, value)  ->
+                when {
+                    key.startsWith("constraint-only-on-day") -> {
+                        value?.toLongOrNull()?.let { Constraint(ConstraintType.OnlyOnDay, it) }
+                    }
+                    key.startsWith("constraint-only-after-time") -> {
+                        value?.toLongOrNull()?.let { Constraint(ConstraintType.OnlyAfterTime, it) }
+                    }
+                    key.startsWith("constraint-not-at-same-time") -> {
+                        value?.toLongOrNull()?.let { Constraint(ConstraintType.NotAtSameTime, it) }
+                    }
+                    key.startsWith("constraint-only-after-work-group") -> {
+                        value?.toLongOrNull()?.let { Constraint(ConstraintType.OnlyAfterWorkGroup, it) }
+                    }
+                    else -> null
+                }
+            }
+
             val workGroup = WorkGroup(
                 null,
                 name = name,
@@ -518,8 +781,13 @@ fun Route.workGroup() {
                 track = track,
                 projector = projector,
                 resolution = resolution,
+                internet = internet,
+                whiteboard = whiteboard,
+                blackboard = blackboard,
+                accessible = accessible,
                 length = length,
-                language = language
+                language = language,
+                constraints = constraints
             )
 
             WorkGroupRepository.create(workGroup)

src/jvmMain/kotlin/de/kif/backend/route/api/Constraints.kt

@@ -0,0 +1,47 @@
+package de.kif.backend.route.api
+
+import de.kif.backend.authenticate
+import de.kif.backend.repository.ScheduleRepository
+import de.kif.common.checkConstraints
+import de.kif.common.model.Permission
+import io.ktor.application.call
+import io.ktor.http.HttpStatusCode
+import io.ktor.routing.Route
+import io.ktor.routing.get
+
+fun Route.constraintsApi() {
+    get("/api/constraints") {
+        try {
+            authenticate(Permission.SCHEDULE) {
+                val schedules = ScheduleRepository.all()
+
+                val errors = checkConstraints(schedules, schedules)
+
+                call.success(errors)
+            } onFailure {
+                call.error(HttpStatusCode.Unauthorized)
+            }
+        } catch (_: Exception) {
+            call.error(HttpStatusCode.InternalServerError)
+        }
+    }
+
+    get("/api/constraint/{id}") {
+        try {
+            authenticate(Permission.SCHEDULE) {
+                val id = call.parameters["id"]?.toLongOrNull()
+                val schedules = ScheduleRepository.all()
+
+                val check = schedules.filter { it.workGroup.id == id }
+
+                val errors = checkConstraints(check, schedules)
+
+                call.success(errors)
+            } onFailure {
+                call.error(HttpStatusCode.Unauthorized)
+            }
+        } catch (_: Exception) {
+            call.error(HttpStatusCode.InternalServerError)
+        }
+    }
+}

src/jvmMain/kotlin/de/kif/backend/util/ParseMarkdown.kt

@@ -0,0 +1,60 @@
+package de.kif.backend.util
+
+import com.vladsch.flexmark.ext.autolink.AutolinkExtension
+import com.vladsch.flexmark.ext.emoji.EmojiExtension
+import com.vladsch.flexmark.ext.gfm.strikethrough.StrikethroughExtension
+import com.vladsch.flexmark.ext.gfm.tasklist.TaskListExtension
+import com.vladsch.flexmark.ext.tables.TablesExtension
+import com.vladsch.flexmark.util.ast.Node;
+import com.vladsch.flexmark.html.HtmlRenderer;
+import com.vladsch.flexmark.parser.Parser;
+import com.vladsch.flexmark.util.options.MutableDataSet;
+import java.util.*
+
+/*
+import org.intellij.markdown.flavours.commonmark.CommonMarkFlavourDescriptor
+import org.intellij.markdown.html.HtmlGenerator
+import org.intellij.markdown.parser.MarkdownParser
+
+fun markdownToHtml(content: String): String {
+    val flavour = CommonMarkFlavourDescriptor()
+    val parsedTree = MarkdownParser(flavour).buildMarkdownTreeFromString(content)
+    val html = HtmlGenerator(content, parsedTree, flavour).generateHtml()
+    return html
+}
+ */
+/*
+import org.commonmark.parser.Parser
+import org.commonmark.renderer.html.HtmlRenderer
+
+fun markdownToHtml(content: String): String {
+    val parser = Parser.builder().build()
+    val document = parser.parse(content)
+    val renderer = HtmlRenderer.builder().build()
+    return renderer.render(document)
+}
+
+ */
+
+fun markdownToHtml(content: String): String {
+    val options = MutableDataSet()
+
+    options.set(Parser.EXTENSIONS, Arrays.asList(
+        TablesExtension.create(),
+        StrikethroughExtension.create(),
+        TaskListExtension.create(),
+        EmojiExtension.create(),
+        AutolinkExtension.create()
+    ));
+
+    //options.set(HtmlRenderer.SOFT_BREAK, "<br />\n");
+
+    val parser = Parser.builder(options).build()
+    val renderer = HtmlRenderer.builder(options).build()
+
+    // You can re-use parser and renderer instances
+    val document = parser.parse(content)
+    val html = renderer.render(document)
+
+    return html
+}

src/jvmMain/kotlin/de/kif/backend/util/PushService.kt

@@ -50,4 +50,5 @@ fun Route.pushService() {
     TrackRepository.registerPushService()
     UserRepository.registerPushService()
     WorkGroupRepository.registerPushService()
+    PostRepository.registerPushService()
 }

src/jvmMain/kotlin/de/kif/backend/view/MenuTemplate.kt

@@ -7,14 +7,14 @@ import kotlinx.html.*
 
 class MenuTemplate() : Template<FlowContent> {
 
-    var active: Tab = Tab.DASHBOARD
+    var active: Tab = Tab.BOARD
     var user: User? = null
 
     override fun FlowContent.apply() {
         nav("menu") {
             div("container") {
                 div("menu-left") {
-                    a("/", classes = if (active == Tab.DASHBOARD) "active" else null) {
+                    a("/", classes = if (active == Tab.BOARD) "active" else null) {
                         +"Dashboard"
                     }
                     a("/calendar", classes = if (active == Tab.CALENDAR) "active" else null) {
@@ -42,7 +42,7 @@ class MenuTemplate() : Template<FlowContent> {
                                     +"Rooms"
                                 }
                             }
-                            if (user.checkPermission(Permission.PERSON)) {
+                            if (user.checkPermission(Permission.USER)) {
                                 a("/users", classes = if (active == Tab.USER) "active" else null) {
                                     +"Users"
                                 }
@@ -58,6 +58,6 @@ class MenuTemplate() : Template<FlowContent> {
     }
 
     enum class Tab {
-        DASHBOARD, CALENDAR, ACCOUNT, WORK_GROUP, ROOM, PERSON, USER
+        BOARD, CALENDAR, ACCOUNT, WORK_GROUP, ROOM, PERSON, USER
     }
 }