Feature: Allow users to forward messages

core/ui/src/main/kotlin/de/tum/informatics/www1/artemis/native_app/core/ui/Spacings.kt

@@ -34,11 +34,15 @@ object Spacings {
         val addEmojiIconSize = 18.sp
     }
 
-    object AutoCompletePopup {
+    object Popup {
+        val maxHeight = 270.dp
+
         val HintHorizontalPadding = 16.dp
         val ContentVerticalPadding = 8.dp
+
     }
 
+
     object CourseItem {
         val height = 250.dp
         val headerHeight = 70.dp

feature/metis/conversation/build.gradle.kts

@@ -22,6 +22,7 @@ dependencies {
     testImplementation(project(":core:ui-test"))
 
     implementation(project(":feature:metis:shared"))
+    implementation(project(":feature:metis:manage-conversations"))
     testImplementation(project(":feature:metis-test"))
 
     implementation(libs.androidx.paging.runtime)

feature/metis/conversation/src/main/kotlin/de/tum/informatics/www1/artemis/native_app/feature/metis/conversation/service/CreatePostService.kt

@@ -1,6 +1,7 @@
 package de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.service
 
 import androidx.work.WorkContinuation
+import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.post.util.ForwardedSourcePostContent
 import kotlinx.coroutines.flow.Flow
 
 typealias CreatePostConfigurationBlock = WorkContinuation.(clientSidePostId: String) -> WorkContinuation
@@ -12,6 +13,8 @@ interface CreatePostService {
         courseId: Long,
         conversationId: Long,
         content: String,
+        hasForwardedMessage: Boolean = false,
+        forwardedSourcePostList: List<ForwardedSourcePostContent>? = null,
         configure: CreatePostConfigurationBlock = { this }
     )
 
@@ -20,6 +23,8 @@ interface CreatePostService {
         conversationId: Long,
         clientSidePostId: String,
         content: String,
+        hasForwardedMessage: Boolean = false,
+        forwardedSourcePostList: List<ForwardedSourcePostContent>? = null,
         configure: CreatePostConfigurationBlock = { this }
     )
 
@@ -28,6 +33,8 @@ interface CreatePostService {
         conversationId: Long,
         parentPostId: Long,
         content: String,
+        hasForwardedMessage: Boolean = false,
+        forwardedSourcePostList: List<ForwardedSourcePostContent>? = null,
         configure: CreatePostConfigurationBlock = { this }
     )
 
@@ -37,6 +44,8 @@ interface CreatePostService {
         parentPostId: Long,
         clientSidePostId: String,
         content: String,
+        hasForwardedMessage: Boolean = false,
+        forwardedSourcePostList: List<ForwardedSourcePostContent>? = null,
         configure: CreatePostConfigurationBlock = { this }
     )
 

feature/metis/conversation/src/main/kotlin/de/tum/informatics/www1/artemis/native_app/feature/metis/conversation/service/impl/CreatePostServiceImpl.kt

@@ -9,6 +9,7 @@ import androidx.work.WorkManager
 import de.tum.informatics.www1.artemis.native_app.core.common.defaultInternetWorkRequest
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.service.CreatePostConfigurationBlock
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.service.CreatePostService
+import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.post.util.ForwardedSourcePostContent
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.work.BaseCreatePostWorker
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.work.CreateClientSidePostWorker
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.work.SendConversationPostWorker
@@ -22,6 +23,8 @@ internal class CreatePostServiceImpl(private val context: Context) : CreatePostS
         courseId: Long,
         conversationId: Long,
         content: String,
+        hasForwardedMessage: Boolean,
+        forwardedSourcePostList: List<ForwardedSourcePostContent>?,
         configure: CreatePostConfigurationBlock
     ) {
         scheduleCreatePostWork(
@@ -30,6 +33,8 @@ internal class CreatePostServiceImpl(private val context: Context) : CreatePostS
             content = content,
             postType = BaseCreatePostWorker.PostType.POST,
             parentPostId = null,
+            hasForwardedMessage = hasForwardedMessage,
+            forwardedSourcePostList = forwardedSourcePostList,
             clientSidePostId = null,
             configure = configure
         )
@@ -40,6 +45,8 @@ internal class CreatePostServiceImpl(private val context: Context) : CreatePostS
         conversationId: Long,
         parentPostId: Long,
         content: String,
+        hasForwardedMessage: Boolean,
+        forwardedSourcePostList: List<ForwardedSourcePostContent>?,
         configure: CreatePostConfigurationBlock
     ) {
         scheduleCreatePostWork(
@@ -48,6 +55,8 @@ internal class CreatePostServiceImpl(private val context: Context) : CreatePostS
             content = content,
             postType = BaseCreatePostWorker.PostType.ANSWER_POST,
             parentPostId = parentPostId,
+            hasForwardedMessage = hasForwardedMessage,
+            forwardedSourcePostList = forwardedSourcePostList,
             clientSidePostId = null,
             configure = configure
         )
@@ -58,6 +67,8 @@ internal class CreatePostServiceImpl(private val context: Context) : CreatePostS
         conversationId: Long,
         clientSidePostId: String,
         content: String,
+        hasForwardedMessage: Boolean,
+        forwardedSourcePostList: List<ForwardedSourcePostContent>?,
         configure: CreatePostConfigurationBlock
     ) {
         scheduleCreatePostWork(
@@ -66,6 +77,8 @@ internal class CreatePostServiceImpl(private val context: Context) : CreatePostS
             content = content,
             postType = BaseCreatePostWorker.PostType.POST,
             parentPostId = null,
+            hasForwardedMessage = hasForwardedMessage,
+            forwardedSourcePostList = forwardedSourcePostList,
             clientSidePostId = clientSidePostId,
             configure = configure
         )
@@ -77,6 +90,8 @@ internal class CreatePostServiceImpl(private val context: Context) : CreatePostS
         parentPostId: Long,
         clientSidePostId: String,
         content: String,
+        hasForwardedMessage: Boolean,
+        forwardedSourcePostList: List<ForwardedSourcePostContent>?,
         configure: CreatePostConfigurationBlock
     ) {
         scheduleCreatePostWork(
@@ -86,6 +101,8 @@ internal class CreatePostServiceImpl(private val context: Context) : CreatePostS
             postType = BaseCreatePostWorker.PostType.POST,
             parentPostId = parentPostId,
             clientSidePostId = clientSidePostId,
+            hasForwardedMessage = hasForwardedMessage,
+            forwardedSourcePostList = forwardedSourcePostList,
             configure = configure
         )
     }
@@ -113,6 +130,8 @@ internal class CreatePostServiceImpl(private val context: Context) : CreatePostS
         content: String,
         postType: BaseCreatePostWorker.PostType,
         parentPostId: Long?,
+        hasForwardedMessage: Boolean,
+        forwardedSourcePostList: List<ForwardedSourcePostContent>?,
         clientSidePostId: String?,
         configure: CreatePostConfigurationBlock
     ) {
@@ -124,6 +143,8 @@ internal class CreatePostServiceImpl(private val context: Context) : CreatePostS
             clientSidePostId = postId,
             content = content,
             postType = postType,
+            hasForwardedMessage = hasForwardedMessage,
+            forwardedSourcePostList = forwardedSourcePostList,
             parentPostId = parentPostId
         )
 

feature/metis/conversation/src/main/kotlin/de/tum/informatics/www1/artemis/native_app/feature/metis/conversation/service/network/MetisService.kt

@@ -10,6 +10,7 @@ import de.tum.informatics.www1.artemis.native_app.feature.metis.shared.content.d
 import de.tum.informatics.www1.artemis.native_app.feature.metis.shared.content.dto.ForwardedMessage
 import de.tum.informatics.www1.artemis.native_app.feature.metis.shared.content.dto.PostingType
 import de.tum.informatics.www1.artemis.native_app.feature.metis.shared.content.dto.StandalonePost
+import io.ktor.client.statement.HttpResponse
 
 interface MetisService {
 
@@ -42,6 +43,13 @@ interface MetisService {
         authToken: String
     ): NetworkResponse<List<ForwardedMessage>>
 
+    suspend fun createForwardedMessage(
+        metisContext: MetisContext,
+        forwardedMessage: ForwardedMessage,
+        serverUrl: String,
+        authToken: String
+    ): NetworkResponse<HttpResponse>
+
     suspend fun getPostsByIds(
         metisContext: MetisContext,
         postIds: List<Long>,

feature/metis/conversation/src/main/kotlin/de/tum/informatics/www1/artemis/native_app/feature/metis/conversation/service/network/impl/MetisServiceImpl.kt

@@ -19,7 +19,12 @@ import de.tum.informatics.www1.artemis.native_app.feature.metis.shared.content.d
 import io.ktor.client.call.body
 import io.ktor.client.request.get
 import io.ktor.client.request.parameter
+import io.ktor.client.request.post
+import io.ktor.client.request.setBody
+import io.ktor.client.statement.HttpResponse
+import io.ktor.http.ContentType
 import io.ktor.http.appendPathSegments
+import io.ktor.http.contentType
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.builtins.ListSerializer
 import kotlinx.serialization.json.Json
@@ -208,6 +213,26 @@ internal class MetisServiceImpl(
         }
     }
 
+    override suspend fun createForwardedMessage(
+        metisContext: MetisContext,
+        forwardedMessage: ForwardedMessage,
+        serverUrl: String,
+        authToken: String
+    ): NetworkResponse<HttpResponse> {
+        return performNetworkCall {
+            ktorProvider.ktorClient.post(serverUrl) {
+                url {
+                    appendPathSegments("api", "communication", "forwarded-messages")
+                }
+                parameter("courseId", metisContext.courseId.toString())
+
+                contentType(ContentType.Application.Json)
+                setBody(forwardedMessage)
+                cookieAuth(authToken)
+            }
+        }
+    }
+
     override suspend fun getPostsByIds(
         metisContext: MetisContext,
         postIds: List<Long>,

feature/metis/conversation/src/main/kotlin/de/tum/informatics/www1/artemis/native_app/feature/metis/conversation/ui/ConversationViewModel.kt

@@ -8,6 +8,7 @@ import android.widget.Toast
 import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.ui.text.input.TextFieldValue
 import androidx.core.content.ContextCompat.getString
+import androidx.lifecycle.SavedStateHandle
 import androidx.lifecycle.viewModelScope
 import de.tum.informatics.www1.artemis.native_app.core.common.flatMapLatest
 import de.tum.informatics.www1.artemis.native_app.core.data.DataState
@@ -41,6 +42,7 @@ import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ser
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.service.storage.ReplyTextStorageService
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.chatlist.ConversationChatListUseCase
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.post.post_actions.PostActionFlags
+import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.post.util.ForwardMessageUseCase
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.post.util.LinkPreviewUtil
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.reply.InitialReplyTextProvider
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.reply.autocomplete.AutoCompletionUseCase
@@ -198,6 +200,19 @@ internal open class ConversationViewModel(
         coroutineContext = coroutineContext
     )
 
+    val forwardMessageUseCase = ForwardMessageUseCase(
+        courseId = courseId,
+        conversationService = conversationService,
+        accountService = accountService,
+        metisService = metisService,
+        createPostService = createPostService,
+        serverConfigurationService = serverConfigurationService,
+        networkStatusProvider = networkStatusProvider,
+        savedStateHandle = SavedStateHandle(),
+        coroutineContext = coroutineContext,
+        onFileSelected = ::onFileSelected
+    )
+
     /**
      * Manages updating from the websocket.
      */

feature/metis/conversation/src/main/kotlin/de/tum/informatics/www1/artemis/native_app/feature/metis/conversation/ui/chatlist/MetisChatList.kt

@@ -44,6 +44,7 @@ import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.post.post_actions.PostActionFlags
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.post.post_actions.rememberPostActions
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.post.shouldDisplayHeader
+import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.post.util.ForwardMessageUseCase
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.reply.InitialReplyTextProvider
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.reply.MetisReplyHandler
 import de.tum.informatics.www1.artemis.native_app.feature.metis.conversation.ui.reply.ReplyTextField
@@ -82,6 +83,7 @@ internal fun MetisChatList(
 
     val clientId: Long by viewModel.clientIdOrDefault.collectAsState()
     val postActionFlags by viewModel.postActionFlags.collectAsState()
+    val forwardMessageUseCase = viewModel.forwardMessageUseCase
 
     val serverUrl by viewModel.serverUrl.collectAsState()
 
@@ -105,6 +107,7 @@ internal fun MetisChatList(
             state = state,
             isMarkedAsDeleteList = viewModel.isMarkedAsDeleteList,
             bottomItem = bottomItem,
+            forwardMessageUseCase = forwardMessageUseCase,
             isReplyEnabled = isReplyEnabled,
             onCreatePost = viewModel::createPost,
             onEditPost = viewModel::editPost,
@@ -133,6 +136,7 @@ fun MetisChatList(
     bottomItem: PostPojo?,
     clientId: Long,
     postActionFlags: PostActionFlags,
+    forwardMessageUseCase: ForwardMessageUseCase = koinInject(),
     serverUrl: String,
     courseId: Long,
     state: LazyListState,
@@ -209,6 +213,7 @@ fun MetisChatList(
                             isMarkedAsDeleteList = isMarkedAsDeleteList,
                             onClickViewPost = onClickViewPost,
                             postActionFlags = postActionFlags,
+                            forwardMessageUseCase = forwardMessageUseCase,
                             onRequestEdit = onEditPostDelegate,
                             onRequestDelete = onDeletePostDelegate,
                             onRequestUndoDelete = onUndoDeletePost,
@@ -243,6 +248,7 @@ private fun ChatList(
     state: LazyListState,
     posts: PostsDataState.Loaded,
     postActionFlags: PostActionFlags,
+    forwardMessageUseCase: ForwardMessageUseCase,
     isMarkedAsDeleteList: SnapshotStateList<IBasePost>,
     clientId: Long,
     displayUnreadIndicator: Boolean = false,        // See https://github.com/ls1intum/artemis-android/pull/375#issuecomment-2656030353
@@ -309,6 +315,7 @@ private fun ChatList(
                         },
                         onResolvePost = null,
                         onPinPost = { onRequestPin(post) },
+                        onForwardPost = null, // Set in PostWithBottomSheet
                         onSavePost = { onRequestSave(post) },
                         onRequestRetrySend = {
                             onRequestRetrySend(
@@ -328,6 +335,7 @@ private fun ChatList(
                         chatListItem = chatListItem,
                         postActions = postActions,
                         linkPreviews = linkPreviews,
+                        forwardMessageUseCase = forwardMessageUseCase,
                         displayHeader = shouldDisplayHeader(
                             index = index,
                             post = post,

feature/metis/conversation/src/main/kotlin/de/tum/informatics/www1/artemis/native_app/feature/metis/conversation/ui/post/ForwardedMessageColumn.kt

@@ -64,6 +64,7 @@ private fun ForwardedMessageItem(
     modifier: Modifier,
     courseId: Long,
     forwardedPost: IBasePost?,
+    isPreview: Boolean = false,
 ) {
     QuotedMessageContainer(
         modifier = modifier
@@ -72,11 +73,13 @@ private fun ForwardedMessageItem(
             modifier = Modifier.weight(1f),
             verticalArrangement = Arrangement.spacedBy(Spacings.Post.innerSpacing)
         ) {
-            ForwardedMessageHeader(
-                modifier = Modifier,
-                forwardedPost = forwardedPost,
-                courseId = courseId,
-            )
+            if (!isPreview) {
+                ForwardedMessageHeader(
+                    modifier = Modifier,
+                    forwardedPost = forwardedPost,
+                    courseId = courseId,
+                )
+            }
 
             if (forwardedPost == null) {
                 Text(
@@ -148,6 +151,19 @@ private fun ForwardedMessageHeader(
     }
 }
 
+@Composable
+fun ForwardedMessagePreview(
+    modifier: Modifier,
+    forwardedPost: IBasePost?
+) {
+    ForwardedMessageItem(
+        modifier = modifier,
+        courseId = -1,
+        forwardedPost = forwardedPost,
+        isPreview = true
+    )
+}
+
 @Composable
 private fun resolveConversation(forwardedPost: IBasePost?): Triple<Long?, String, ConversationType> {
     val conversation = when (forwardedPost) {