fix: don't toggle follow when following back

crates/app/src/routes/api/v1/auth/social.rs

@@ -17,7 +17,7 @@ use tetratto_core::model::{
 };
 
 /// Toggle following on the given user.
-pub async fn follow_request(
+pub async fn toggle_follow_request(
     jar: CookieJar,
     Path(id): Path<usize>,
     Extension(data): Extension<State>,
@@ -154,6 +154,71 @@ pub async fn accept_follow_request(
     }
 }
 
+pub async fn follow_request(
+    jar: CookieJar,
+    Path(id): Path<usize>,
+    Extension(data): Extension<State>,
+) -> impl IntoResponse {
+    let data = &(data.read().await).0;
+    let mut user = match get_user_from_token!(jar, data, oauth::AppScope::UserManageFollowing) {
+        Some(ua) => ua,
+        None => return Json(Error::NotAllowed.into()),
+    };
+
+    if data
+        .get_userfollow_by_initiator_receiver(user.id, id)
+        .await
+        .is_ok()
+    {
+        return Json(Error::MiscError("Already following user".to_string()).into());
+    } else {
+        match data
+            .create_userfollow(UserFollow::new(user.id, id), &user, false)
+            .await
+        {
+            Ok(r) => {
+                if r == FollowResult::Followed {
+                    if let Err(e) = data
+                        .create_notification(Notification::new(
+                            "Somebody has followed you!".to_string(),
+                            format!(
+                                "You have been followed by [@{}](/api/v1/auth/user/find/{}).",
+                                user.username, user.id
+                            ),
+                            id,
+                        ))
+                        .await
+                    {
+                        return Json(e.into());
+                    };
+
+                    // award achievement
+                    if let Err(e) = data
+                        .add_achievement(&mut user, AchievementName::FollowUser.into(), true)
+                        .await
+                    {
+                        return Json(e.into());
+                    }
+
+                    // ...
+                    Json(ApiReturn {
+                        ok: true,
+                        message: "User followed".to_string(),
+                        payload: (),
+                    })
+                } else {
+                    Json(ApiReturn {
+                        ok: true,
+                        message: "Asked to follow user".to_string(),
+                        payload: (),
+                    })
+                }
+            }
+            Err(e) => Json(e.into()),
+        }
+    }
+}
+
 pub async fn force_unfollow_me_request(
     jar: CookieJar,
     Path(id): Path<usize>,