Delete removes all data now

functions/handlers/users.js

@@ -70,12 +70,14 @@ exports.signup = (req, res) => {
     })
     .then((idToken) => {
       token = idToken;
+      const defaultImageUrl = `https://firebasestorage.googleapis.com/v0/b/${config.storageBucket}/o/no-img.png?alt=media`;
       const userCred = {
         email: newUser.email,
         handle: newUser.handle,
         createdAt: newUser.createdAt,
         userId,
-        followedTopics: []
+        followedTopics: [],
+        imageUrl: defaultImageUrl
       };
       return db.doc(`/users/${newUser.handle}`).set(userCred);
     })
@@ -179,57 +181,76 @@ exports.login = (req, res) => {
   }
 };
 
-//Deletes user account
+//Deletes user account and all associated data
 exports.deleteUser = (req, res) => {
-  var currentUser;
+  // Get the profile image filename
-  firebase.auth().onAuthStateChanged(function(user) {
+  // `https://firebasestorage.googleapis.com/v0/b/${config.storageBucket}/o/${imageFileName}?alt=media`
-    currentUser = user;
+  const imageFileName = req.userData.imageUrl.split('/o/')[1].split('?alt=')[0];
-    if (currentUser) {
+  const userId = req.userData.userId;
-      var post_query = db.collection("posts").where("userHandle", "==", req.user.handle);
+  let errors = {};
-      post_query.get()
+
-      .then(function(myPosts) {
+  function thenFunction(data) {
-        myPosts.forEach(function(doc) {
+    console.log(`${data} data for ${req.userData.handle} has been deleted.`);
-          doc.ref.delete();
+  }
-        });
+
-        return;
+  function catchFunction(data, err) {
+    console.error(err);
+    error[data] = err;
+  }
+
+  // Deletes user from authentication
+  let auth = admin.auth().deleteUser(userId);
+
+  // Deletes database data
+  let data = db.collection("users").doc(`${req.user.handle}`).delete();
+
+  // Deletes any custom profile image
+  let image;
+  if (imageFileName !== 'no-img.png') {
+    image = admin.storage().bucket().file(imageFileName).delete()
+  } else {
+    image = Promise.resolve();
+  }
+
+  // Deletes all users posts
+  let posts = db.collection("posts")
+    .where("userHandle", "==", req.user.handle)
+    .get()
+    .then((query) => {
+      query.forEach((snap) => {
+        snap.ref.delete();
       })
-      .then(function() {
+    })
-        res.status(200).send("Successfully removed all user's posts from database.");
+
-        return;
+  let promises = [
-      })
+    auth
-      .catch(function(err) {
+      .then(thenFunction('auth'))
-        res.status(500).send("Failed to remove all user's posts from database.", err);
+      .catch((err) => catchFunction('auth', err)), 
-      });
+    data
+      .then(thenFunction('data'))
+      .catch((err) => catchFunction('data', err)),
+    image
+      .then(thenFunction('image'))
+      .catch((err) => catchFunction('image', err)),
+    posts
+      .then(thenFunction('posts'))
+      .catch((err) => catchFunction('image', err))
+  ];
 
 
+  // Wait for all promises to resolve
+  let waitPromise = Promise.all(promises);
 
-      db.collection("users").doc(`${req.user.handle}`).delete()
+  waitPromise.then(() => {
-      .then(function() {
+    if (Object.keys(errors) > 0) {
-        res.status(200).send("Sucessfully removed user from database.");
+      return res.status(500).json(errors);
-        return;
+    } else {
-      })
+      return res.status(200).json({message: `All data for ${req.userData.handle} has been deleted.`});
-      .catch(function(err) {
-        res.status(500).send("Failed to remove user from database.", err);
-      });
-
-
-      
-      currentUser.delete()
-      .then(function() {
-        console.log("Successfully deleted user.");
-        res.status(200).send("Sucessfully deleted user.");
-        return;
-      })
-      .catch(function(err) {
-        console.log("Failed to delete user.", err);
-        res.status(500).send("Failed to delete user.");
-      });
     }
-    else {
+  })
-      console.log("Failed to deleter user or cannot get user.");
+  .catch((err) => {
-      res.status(500).send("Failed to deleter user or cannot get user.");
+    return res.status(500).json({error: err});
-    }
+  })
-  });
 };
 
 // Returns all data in the database for the user who is currently signed in