feat: fetch uncached messages in replies

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

app/src/main/java/chat/revolt/api/routes/channel/Channel.kt

@@ -170,4 +170,14 @@ suspend fun createInvite(channelId: String): CreateInviteResponse {
     if (error.type != "Server") throw Error(error.type)
 
     return RevoltJson.decodeFromString(CreateInviteResponse.serializer(), response)
+}
+
+suspend fun fetchSingleMessage(channelId: String, messageId: String): Message {
+    val response = RevoltHttp.get("/channels/$channelId/messages/$messageId")
+        .bodyAsText()
+
+    return RevoltJson.decodeFromString(
+        Message.serializer(),
+        response
+    )
 }

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

@@ -12,6 +12,7 @@ import androidx.compose.material3.LocalContentColor
 import androidx.compose.material3.LocalTextStyle
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Brush
@@ -25,11 +26,13 @@ import androidx.compose.ui.unit.sp
 import chat.revolt.R
 import chat.revolt.api.RevoltAPI
 import chat.revolt.api.internals.solidColor
+import chat.revolt.api.routes.channel.fetchSingleMessage
 import chat.revolt.api.schemas.User
 import chat.revolt.components.generic.UserAvatar
 
 @Composable
 fun InReplyTo(
+    channelId: String,
     messageId: String,
     modifier: Modifier = Modifier,
     withMention: Boolean = false,
@@ -46,6 +49,12 @@ fun InReplyTo(
     val usernameColor =
         message?.let { authorColour(it) } ?: Brush.solidColor(contentColor)
 
+    LaunchedEffect(messageId) {
+        if (messageId !in RevoltAPI.messageCache) {
+            RevoltAPI.messageCache[messageId] = fetchSingleMessage(channelId, messageId)
+        }
+    }
+
     Box(
         modifier = modifier
             .fillMaxWidth()
@@ -96,19 +105,32 @@ fun InReplyTo(
                     }
                 )
 
-                Text(
-                    text = message.content ?: "",
-                    fontSize = 12.sp,
-                    color = contentColor.copy(alpha = 0.7f),
-                    maxLines = 1,
-                    overflow = TextOverflow.Ellipsis
-                )
+                if (message.content.isNullOrBlank()) {
+                    Text(
+                        text = stringResource(id = R.string.reply_message_empty_has_attachments),
+                        // TODO: inter has italics now, import and use them
+                        fontStyle = FontStyle.Italic, // inter doesn't have italics...
+                        fontSize = 12.sp,
+                        fontFamily = FontFamily.Default, // ...so we use the default font
+                        color = contentColor.copy(alpha = 0.7f),
+                        maxLines = 1,
+                        overflow = TextOverflow.Ellipsis
+                    )
+                } else {
+                    Text(
+                        text = message.content,
+                        fontSize = 12.sp,
+                        color = contentColor.copy(alpha = 0.7f),
+                        maxLines = 1,
+                        overflow = TextOverflow.Ellipsis
+                    )
+                }
             } else {
                 Text(
                     text = stringResource(id = R.string.reply_message_not_cached),
-                    fontStyle = FontStyle.Italic, // inter doesn't have italics...
+                    fontStyle = FontStyle.Italic, // inter _still_ doesn't have italics...
                     color = contentColor.copy(alpha = 0.7f),
-                    fontFamily = FontFamily.Default, // ...so we use the defaul t font
+                    fontFamily = FontFamily.Default, // ...so we use the default font
                     fontSize = 12.sp,
                     maxLines = 1,
                     overflow = TextOverflow.Ellipsis

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

@@ -65,10 +65,10 @@ import chat.revolt.activities.media.ImageViewActivity
 import chat.revolt.activities.media.VideoViewActivity
 import chat.revolt.api.REVOLT_FILES
 import chat.revolt.api.RevoltAPI
+import chat.revolt.api.internals.BrushCompat
 import chat.revolt.api.internals.Roles
 import chat.revolt.api.internals.SpecialUsers
 import chat.revolt.api.internals.ULID
-import chat.revolt.api.internals.BrushCompat
 import chat.revolt.api.internals.solidColor
 import chat.revolt.api.routes.channel.react
 import chat.revolt.api.routes.channel.unreact
@@ -212,18 +212,21 @@ fun Message(
             message.replies?.forEach { reply ->
                 val replyMessage = RevoltAPI.messageCache[reply]
 
-                InReplyTo(
-                    messageId = reply,
-                    withMention = replyMessage?.author?.let {
-                        message.mentions?.contains(
-                            replyMessage.author
-                        )
-                    }
-                        ?: false
-                ) {
-                    // TODO Add jump to message
-                    if (replyMessage == null) {
-                        Toast.makeText(context, "lmao prankd", Toast.LENGTH_SHORT).show()
+                message.channel?.let { chId ->
+                    InReplyTo(
+                        channelId = chId,
+                        messageId = reply,
+                        withMention = replyMessage?.author?.let {
+                            message.mentions?.contains(
+                                replyMessage.author
+                            )
+                        }
+                            ?: false
+                    ) {
+                        // TODO Add jump to message
+                        if (replyMessage == null) {
+                            Toast.makeText(context, "lmao prankd", Toast.LENGTH_SHORT).show()
+                        }
                     }
                 }
             }

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

@@ -177,7 +177,7 @@
     <string name="message_field_denied_no_permission">You don\'t have permission to send messages in this channel.</string>
     <string name="message_field_denied_platform_moderation">This is a trusted channel for notices from our moderation team. You can\'t send messages here.</string>
 
-    <string name="reply_message_not_cached">Unknown message, tap to jump</string>
+    <string name="reply_message_not_cached">Unknown message</string>
     <string name="reply_message_empty_has_attachments">Sent attachments</string>
 
     <string name="system_message_ownership_changed_alt">Ownership changed</string>