GRN2-225, GRN2-227: Images sent by Office365 Institutional accounts break the rooms (#753)

* Validate profile image url

* Add rake task to migrate old office365 accounts

lib/tasks/migrate_old_office365_users.rake

@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+namespace :office365 do
+  desc "Migrates over old office365 users to new account"
+  task :migrate, [] => :environment do |_task, _args|
+    old_office_users = User.where(provider: "microsoft_office365")
+
+    old_office_users.each do |old_user|
+      new_social_uid = if old_user.email.match("^outlook_[0-9a-zA-Z]+@outlook.com$")
+        old_user.email.last(old_user.email.length - 8).split('@')[0]
+      else
+        old_user.social_uid.split('@')[0]
+      end
+
+      new_user = User.where(provider: "office365", social_uid: new_social_uid).first
+
+      if new_user.nil?
+        old_user.provider = "office365"
+        old_user.social_uid = new_social_uid
+        old_user.save!
+      else
+        old_main_room = old_user.main_room
+        old_main_room.name = "Old " + old_main_room.name
+        old_main_room.save!
+
+        new_user.rooms << old_user.rooms
+        new_user.role_ids = new_user.role_ids | old_user.role_ids
+        new_user.save!
+        old_user.delete
+      end
+    end
+  end
+end