implement getUserFollowers

packages/app/src/models/user/index.js

@@ -146,6 +146,44 @@ export default class User {
         return data
     }
 
+    static async getUserFollowers({
+        user_id,
+        username,
+        limit = 20,
+        offset = 0,
+    }) {
+        if (!User.bridge) {
+            return false
+        }
+
+        // if user_id or username is not provided, set with current user
+        if (!user_id && !username) {
+            const token = await Session.decodedToken()
+
+            if (token) {
+                username = token.username
+            } else {
+                throw new Error("username or user_id is required")
+            }
+        }
+
+        // TODO: if user_id is not provided, get it from username
+        if (!user_id) {
+            
+        }
+
+        const { data } = await app.api.customRequest("main", {
+            method: "GET",
+            url: `/user/${user_id}/followers`,
+            params: {
+                limit,
+                offset,
+            }
+        })
+
+        return data
+    }
+
     static async getConnectedUsersFollowing() {
         if (!User.bridge) {
             return false

packages/server/src/controllers/FollowerController/index.js

@@ -149,6 +149,29 @@ export default class FollowerController extends Controller {
     }
 
     get = {
+        "/user/:user_id/followers": async (req, res) => {
+            const { limit = 30, offset } = req.query
+
+            let followers = []
+
+            const follows = await UserFollow.find({
+                to: req.params.user_id,
+            })
+                .limit(limit)
+                .skip(offset)
+
+            for await (const follow of follows) {
+                const user = await User.findById(follow.user_id)
+
+                if (!user) {
+                    continue
+                }
+
+                followers.push(user.toObject())
+            }
+
+            return res.json(followers)
+        },
         "/followers": Schematized({
             required: ["user_id"],
             select: ["user_id"],