feat: support webhooks

Signed-off-by: Infi <infi@infi.sh>

app/src/main/java/chat/revolt/api/schemas/Messages.kt

@@ -20,6 +20,7 @@ data class Message(
     val mentions: List<String>? = null,
     val masquerade: Masquerade? = null,
     val system: SystemInfo? = null,
+    val webhook: WebHook? = null,
     val type: String? = null, // this is _only_ used for websocket events!
     val tail: Boolean? = null // this is used to determine if the message is the last in a message group
 ) {
@@ -110,3 +111,9 @@ data class SystemInfo(
     val to: String? = null,
     val content: String? = null
 )
+
+@Serializable
+data class WebHook(
+    val avatar: String? = null,
+    val name: String? = null,
+)

app/src/main/java/chat/revolt/callbacks/ActionChannel.kt

@@ -14,6 +14,7 @@ sealed class Action {
     data class ReportUser(val userId: String) : Action()
     data class ReportMessage(val messageId: String) : Action()
     data class OpenVoiceChannelOverlay(val channelId: String) : Action()
+    data object OpenWebhookSheet : Action()
 }
 
 val ActionChannel = Channel<Action>(

app/src/main/java/chat/revolt/components/chat/InlineBadge.kt

@@ -13,7 +13,8 @@ enum class InlineBadge {
     Bot,
     Bridge,
     PlatformModeration,
-    TeamMember
+    TeamMember,
+    Webhook
 }
 
 @Composable
@@ -50,6 +51,13 @@ fun InlineBadge(
             tint = colour,
             modifier = modifier
         )
+
+        InlineBadge.Webhook -> Icon(
+            painter = painterResource(id = R.drawable.ic_hook_24dp),
+            contentDescription = stringResource(id = R.string.badge_webhook_alt),
+            tint = colour,
+            modifier = modifier
+        )
     }
 }
 
@@ -60,6 +68,7 @@ fun InlineBadges(
     bridge: Boolean = false,
     platformModeration: Boolean = false,
     teamMember: Boolean = false,
+    webhook: Boolean = false,
     colour: Color = Color.Unspecified,
     precedingIfAny: @Composable () -> Unit = {},
     followingIfAny: @Composable () -> Unit = {}
@@ -99,6 +108,13 @@ fun InlineBadges(
                 colour = colour
             )
         }
+        if (webhook) {
+            InlineBadge(
+                badge = InlineBadge.Webhook,
+                modifier = modifier,
+                colour = colour
+            )
+        }
     }
 
     if (hasBadges) {

app/src/main/java/chat/revolt/components/chat/Message.kt

@@ -180,6 +180,8 @@ fun Message(
     canReply: Boolean = false,
     onReply: () -> Unit = {},
     onAddReaction: () -> Unit = {},
+    fromWebhook: Boolean = false,
+    webhookName: String? = null
 ) {
     val author = RevoltAPI.userCache[message.author] ?: return CircularProgressIndicator()
     val context = LocalContext.current
@@ -304,7 +306,7 @@ fun Message(
                         if (message.tail == false) {
                             Row(verticalAlignment = Alignment.CenterVertically) {
                                 Text(
-                                    text = authorName(message),
+                                    text = webhookName ?: authorName(message),
                                     style = LocalTextStyle.current.copy(
                                         fontWeight = FontWeight.Bold,
                                         brush = authorColour(message)
@@ -328,6 +330,7 @@ fun Message(
                                     bridge = message.masquerade != null && author.bot != null,
                                     platformModeration = author.id == SpecialUsers.PLATFORM_MODERATION_USER,
                                     teamMember = author.id in SpecialUsers.TEAM_MEMBER_FLAIRS.keys,
+                                    webhook = fromWebhook,
                                     colour = MaterialTheme.colorScheme.onBackground.copy(alpha = 0.5f),
                                     modifier = Modifier.size(16.dp),
                                     precedingIfAny = {

app/src/main/java/chat/revolt/screens/chat/ChatRouterScreen.kt

@@ -78,6 +78,7 @@ import chat.revolt.sheets.ReactionInfoSheet
 import chat.revolt.sheets.ServerContextSheet
 import chat.revolt.sheets.StatusSheet
 import chat.revolt.sheets.UserInfoSheet
+import chat.revolt.sheets.WebHookUserSheet
 import com.airbnb.lottie.RenderMode
 import com.airbnb.lottie.compose.LottieAnimation
 import com.airbnb.lottie.compose.LottieCompositionSpec
@@ -229,6 +230,8 @@ fun ChatRouterScreen(
     var userContextSheetTarget by remember { mutableStateOf("") }
     var userContextSheetServer by remember { mutableStateOf<String?>(null) }
 
+    var showWebhookInfoSheet by remember { mutableStateOf(false) }
+
     var showChannelUnavailableAlert by remember { mutableStateOf(false) }
 
     var showLinkInfoSheet by remember { mutableStateOf(false) }
@@ -389,6 +392,10 @@ fun ChatRouterScreen(
                         voiceChannelOverlayChannelId = action.channelId
                         voiceChannelOverlay = true
                     }
+
+                    is Action.OpenWebhookSheet -> {
+                        showWebhookInfoSheet = true
+                    }
                 }
             }
         }
@@ -554,6 +561,19 @@ fun ChatRouterScreen(
         }
     }
 
+    if (showWebhookInfoSheet) {
+        val webhookInfoSheetState = rememberModalBottomSheetState()
+
+        ModalBottomSheet(
+            sheetState = webhookInfoSheetState,
+            onDismissRequest = {
+                showWebhookInfoSheet = false
+            }
+        ) {
+            WebHookUserSheet()
+        }
+    }
+
     if (showReportUser) {
         ReportUserDialog(
             onDismiss = { showReportUser = false },

app/src/main/java/chat/revolt/screens/chat/views/channel/ChannelScreen.kt

@@ -134,7 +134,6 @@ import kotlinx.coroutines.launch
 import kotlinx.datetime.Instant
 import java.io.File
 import kotlin.math.max
-import kotlin.math.min
 
 sealed class ChannelScreenItem {
     data class RegularMessage(val message: Message) : ChannelScreenItem()
@@ -603,14 +602,20 @@ fun ChannelScreen(
                                                 }
                                             },
                                             onAvatarClick = {
-                                                item.message.author?.let { author ->
+                                                if (item.message.webhook != null) {
                                                     scope.launch {
-                                                        ActionChannel.send(
+                                                        ActionChannel.send(Action.OpenWebhookSheet)
-                                                            Action.OpenUserSheet(
+                                                    }
-                                                                author,
+                                                } else {
-                                                                viewModel.channel?.server
+                                                    item.message.author?.let { author ->
+                                                        scope.launch {
+                                                            ActionChannel.send(
+                                                                Action.OpenUserSheet(
+                                                                    author,
+                                                                    viewModel.channel?.server
+                                                                )
                                                             )
-                                                        )
+                                                        }
                                                     }
                                                 }
                                             },
@@ -631,7 +636,9 @@ fun ChannelScreen(
                                                     reactSheetTarget = messageId
                                                     reactSheetShown = true
                                                 }
-                                            }
+                                            },
+                                            fromWebhook = item.message.webhook != null,
+                                            webhookName = item.message.webhook?.name
                                         )
                                     }
 

app/src/main/java/chat/revolt/sheets/WebHookUserSheet.kt

@@ -0,0 +1,72 @@
+package chat.revolt.sheets
+
+import android.widget.Toast
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.material3.Button
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import chat.revolt.R
+import chat.revolt.components.generic.NonIdealState
+
+@Composable
+fun WebHookUserSheet(modifier: Modifier = Modifier) {
+    val context = LocalContext.current
+
+    NonIdealState(
+        icon = {
+            Icon(
+                painter = painterResource(R.drawable.ic_hook_24dp),
+                contentDescription = null,
+                modifier = Modifier.size(24.dp)
+            )
+        },
+        title = {
+            Text(
+                text = stringResource(R.string.user_info_sheet_webhook)
+            )
+        },
+        description = {
+            Text(
+                text = stringResource(R.string.user_info_sheet_webhook_description),
+                style = MaterialTheme.typography.bodyLarge,
+                textAlign = TextAlign.Center,
+                modifier = Modifier.fillMaxWidth()
+            )
+        }
+    )
+    Column(Modifier.padding(horizontal = 16.dp)) {
+        Text(
+            text = stringResource(R.string.user_info_sheet_webhook_description_2),
+            style = MaterialTheme.typography.bodyMedium,
+            textAlign = TextAlign.Center,
+            modifier = Modifier.fillMaxWidth()
+        )
+        Spacer(Modifier.height(32.dp))
+        Button(
+            onClick = {
+                Toast(context).apply {
+                    setText(context.getString(R.string.comingsoon_toast))
+                    duration = Toast.LENGTH_SHORT
+                    show()
+                }
+            },
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            Text(text = stringResource(R.string.user_info_sheet_webhook_learn_more))
+        }
+    }
+    Spacer(Modifier.height(48.dp))
+}

app/src/main/res/drawable/ic_hook_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#ffffff"
+        android:pathData="M18,6C18,7.82 16.76,9.41 15,9.86V17A5,5 0 0,1 10,22A5,5 0 0,1 5,17V12L10,17H7A3,3 0 0,0 10,20A3,3 0 0,0 13,17V9.86C11.23,9.4 10,7.8 10,5.97C10,3.76 11.8,2 14,2C16.22,2 18,3.79 18,6M14,8A2,2 0 0,0 16,6A2,2 0 0,0 14,4A2,2 0 0,0 12,6A2,2 0 0,0 14,8Z" />
+</vector>

app/src/main/res/values/strings.xml

@@ -125,6 +125,7 @@
     <string name="badge_masquerade_alt">From linked channel</string>
     <string name="badge_platform_moderation_alt">Platform moderation</string>
     <string name="badge_team_member_alt">Revolt team member</string>
+    <string name="badge_webhook_alt">Webhook</string>
 
     <string name="unknown">Unknown</string>
 
@@ -352,6 +353,10 @@
     <string name="user_info_sheet_open">Open user info</string>
     <string name="user_info_sheet_user_not_found">Can\'t resolve this user</string>
     <string name="user_info_sheet_user_not_found_description">This user may have been deleted or you may not have permission to view them.</string>
+    <string name="user_info_sheet_webhook">Is it a bird, is it a plane?</string>
+    <string name="user_info_sheet_webhook_description">No, it\'s a webhook!</string>
+    <string name="user_info_sheet_webhook_description_2">Webhooks are automated broadcasts from other services on the internet. They can\'t chat back, but you can still see what they have to say.</string>
+    <string name="user_info_sheet_webhook_learn_more">Learn more</string>
     <string name="user_info_sheet_category_bio">Bio</string>
     <string name="user_info_sheet_bio_empty">This user hasn\'t set a bio yet.</string>
     <string name="user_info_sheet_bio_not_found">This user\'s bio could not be fetched. Please verify you share a server or are friends.</string>