feat: reimplement voice chat

src/routes/bots/edit.rs

@@ -99,7 +99,7 @@ pub async fn edit_bot(
         }
     }
 
-    db.update_bot(&bot.id, &partial, remove.unwrap_or_else(Vec::new))
+    db.update_bot(&bot.id, &partial, remove.unwrap_or_default())
         .await?;
 
     bot.apply_options(partial);

src/routes/bots/fetch_public.rs

@@ -36,6 +36,6 @@ pub async fn fetch_public_bot(db: &Db, target: Ref) -> Result<Json<PublicBot>> {
         id: bot.id,
         username: user.username,
         avatar: user.avatar,
-        description: user.profile.map(|p| p.content).flatten(),
+        description: user.profile.and_then(|p| p.content),
     }))
 }

src/routes/channels/voice_join.rs

@@ -1,4 +1,9 @@
-use revolt_quark::{models::User, Ref, Result};
+use revolt_quark::{
+    models::{Channel, User},
+    perms,
+    variables::delta::{USE_VOSO, VOSO_MANAGE_TOKEN, VOSO_URL},
+    Db, Error, Permission, Ref, Result,
+};
 
 use rocket::serde::json::Json;
 use serde::{Deserialize, Serialize};
@@ -14,7 +19,82 @@ pub struct CreateVoiceUserResponse {
 ///
 /// Asks the voice server for a token to join the call.
 #[openapi(tag = "Voice")]
-#[post("/<_target>/join_call")]
-pub async fn req(_user: User, _target: Ref) -> Result<Json<CreateVoiceUserResponse>> {
-    unimplemented!()
+#[post("/<target>/join_call")]
+pub async fn req(db: &Db, user: User, target: Ref) -> Result<Json<CreateVoiceUserResponse>> {
+    let channel = target.as_channel(db).await?;
+    let mut permissions = perms(&user).channel(&channel);
+
+    permissions
+        .throw_permission_and_view_channel(db, Permission::Connect)
+        .await?;
+
+    if !*USE_VOSO {
+        return Err(Error::VosoUnavailable);
+    }
+
+    match channel {
+        Channel::SavedMessages { .. } | Channel::TextChannel { .. } => {
+            return Err(Error::CannotJoinCall)
+        }
+        _ => {}
+    }
+
+    // To join a call:
+    // - Check if the room exists.
+    // - If not, create it.
+    let client = reqwest::Client::new();
+    let result = client
+        .get(&format!("{}/room/{}", *VOSO_URL, channel.id()))
+        .header(
+            reqwest::header::AUTHORIZATION,
+            VOSO_MANAGE_TOKEN.to_string(),
+        )
+        .send()
+        .await;
+
+    match result {
+        Err(_) => return Err(Error::VosoUnavailable),
+        Ok(result) => match result.status() {
+            reqwest::StatusCode::OK => (),
+            reqwest::StatusCode::NOT_FOUND => {
+                if (client
+                    .post(&format!("{}/room/{}", *VOSO_URL, channel.id()))
+                    .header(
+                        reqwest::header::AUTHORIZATION,
+                        VOSO_MANAGE_TOKEN.to_string(),
+                    )
+                    .send()
+                    .await)
+                    .is_err()
+                {
+                    return Err(Error::VosoUnavailable);
+                }
+            }
+            _ => return Err(Error::VosoUnavailable),
+        },
+    }
+
+    // Then create a user for the room.
+    if let Ok(response) = client
+        .post(&format!(
+            "{}/room/{}/user/{}",
+            *VOSO_URL,
+            channel.id(),
+            user.id
+        ))
+        .header(
+            reqwest::header::AUTHORIZATION,
+            VOSO_MANAGE_TOKEN.to_string(),
+        )
+        .send()
+        .await
+    {
+        response
+            .json()
+            .await
+            .map_err(|_| Error::InvalidOperation)
+            .map(Json)
+    } else {
+        Err(Error::VosoUnavailable)
+    }
 }