Merge pull request #2384 from Akuket/origin/edge

Delete user feature

models/users.js

@@ -238,6 +238,19 @@ Users.allow({
     const user = Users.findOne(userId);
     return user && Meteor.user().isAdmin;
   },
+  remove(userId, doc) {
+    const adminsNumber = Users.find({ isAdmin: true }).count();
+    const { isAdmin } = Users.findOne({ _id: userId }, { fields: { 'isAdmin': 1 } });
+
+    // Prevents remove of the only one administrator
+    if (adminsNumber === 1 && isAdmin && userId === doc._id) {
+      return false;
+    }
+
+    // If it's the user or an admin
+    return userId === doc._id || isAdmin;
+  },
+  fetch: [],
 });
 
 // Search a user in the complete server database by its name or username. This
@@ -364,6 +377,10 @@ Users.helpers({
   getTemplatesBoardSlug() {
     return (Boards.findOne((this.profile || {}).templatesBoardId) || {}).slug;
   },
+
+  remove() {
+    User.remove({ _id: this._id});
+  },
 });
 
 Users.mutations({
@@ -673,6 +690,17 @@ if (Meteor.isServer) {
     }, {unique: true});
   });
 
+  Users.before.remove((userId, doc) => {
+    Boards
+      .find({members: {$elemMatch: {userId: doc._id, isAdmin: true}}})
+      .forEach((board) => {
+        // If only one admin for the board
+        if (board.members.filter((e) => e.isAdmin).length === 1) {
+          Boards.remove(board._id);
+        }
+      });
+  });
+
   // Each board document contains the de-normalized number of users that have
   // starred it. If the user star or unstar a board, we need to update this
   // counter.