feat: separate friend request route

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

@@ -0,0 +1,32 @@
+use revolt_quark::models::User;
+use revolt_quark::{Database, Error, Result};
+
+use rocket::serde::json::Json;
+use rocket::State;
+use serde::{Deserialize, Serialize};
+
+/// # User Lookup Information
+#[derive(Serialize, Deserialize, JsonSchema)]
+pub struct DataSendFriendRequest {
+    username: String,
+}
+
+/// # Send Friend Request
+///
+/// Send a friend request to another user.
+#[openapi(tag = "Relationships")]
+#[post("/friend", data = "<data>")]
+pub async fn req(
+    db: &State<Database>,
+    user: User,
+    data: Json<DataSendFriendRequest>,
+) -> Result<Json<User>> {
+    let mut target = db.fetch_user_by_username(&data.username).await?;
+
+    if user.bot.is_some() || target.bot.is_some() {
+        return Err(Error::IsBot);
+    }
+
+    user.add_friend(db, &mut target).await?;
+    Ok(Json(target.with_auto_perspective(db, &user).await))
+}