chore(monorepo): delta, january, quark

crates/delta/src/routes/users/open_dm.rs

@@ -0,0 +1,55 @@
+use revolt_quark::{
+    models::{Channel, User},
+    perms, Database, Error, Ref, Result, UserPermission,
+};
+
+use rocket::{serde::json::Json, State};
+use ulid::Ulid;
+
+/// # Open Direct Message
+///
+/// Open a DM with another user.
+///
+/// If the target is oneself, a saved messages channel is returned.
+#[openapi(tag = "Direct Messaging")]
+#[get("/<target>/dm")]
+pub async fn req(db: &State<Database>, user: User, target: Ref) -> Result<Json<Channel>> {
+    let target = target.as_user(db).await?;
+
+    // If the target is oneself, open saved messages.
+    if target.id == user.id {
+        return if let Ok(channel) = db.find_direct_message_channel(&user.id, &target.id).await {
+            Ok(Json(channel))
+        } else {
+            let new_channel = Channel::SavedMessages {
+                id: Ulid::new().to_string(),
+                user: user.id,
+            };
+
+            new_channel.create(db).await?;
+            Ok(Json(new_channel))
+        };
+    }
+
+    // Otherwise try to find or create a DM.
+    if let Ok(channel) = db.find_direct_message_channel(&user.id, &target.id).await {
+        Ok(Json(channel))
+    } else if perms(&user)
+        .user(&target)
+        .calc_user(db)
+        .await
+        .get_send_message()
+    {
+        let new_channel = Channel::DirectMessage {
+            id: Ulid::new().to_string(),
+            active: false,
+            recipients: vec![user.id, target.id],
+            last_message_id: None,
+        };
+
+        new_channel.create(db).await?;
+        Ok(Json(new_channel))
+    } else {
+        Error::from_user_permission(UserPermission::SendMessage)
+    }
+}