Admin panel (#496)

* Added the administrator role and functionality that comes with it  (#403)

* GRN-20: Added roles to the user model

* GRN-75: Added a view for admins to see their users

* GRN-77: Added Edit/Delete/Promote ability for admins

* GRN-71: Added admin account by default

* Changed the way locales are shown

* Updated the rest of the locales

* Changed the way available_locales are defined

* Updated locales in Russian

* Updated locaales for German

* Update user.rb

* Update admins.js

* GRN-15: Added the ability to change color and image from admin interface (#425)

* GRN-20: Added roles to the user model

* GRN-75: Added a view for admins to see their users

* GRN-77: Added Edit/Delete/Promote ability for admins

* GRN-71: Added admin account by default

* Changed the way locales are shown

* Updated the rest of the locales

* Changed the way available_locales are defined

* Updated locales in Russian

* Updated locaales for German

* GRN-15: Added the ability for admins to customize color and image

* Update user.rb

* Update user.rb

* Update routes.rb

* Update admins_controller.rb

* GRN-87:Added a super admin role and made changes to how to the design works (#430)

* GRN-20: Added roles to the user model

* GRN-75: Added a view for admins to see their users

* GRN-77: Added Edit/Delete/Promote ability for admins

* GRN-71: Added admin account by default

* Changed the way locales are shown

* Updated the rest of the locales

* Changed the way available_locales are defined

* Updated locales in Russian

* Updated locaales for German

* GRN-15: Added the ability for admins to customize color and image

* Added the super admin and completed the design tab

* Update user.rb

* Update themes_controller_spec.rb

* Update routes.rb

* Update admins_controller.rb

* Removed duplicated code that broke the build after last merge

* GRN-78: Restructured some of the views to make the UI more consistent and responsive (#435)

* GRN-20: Added roles to the user model

* GRN-75: Added a view for admins to see their users

* GRN-77: Added Edit/Delete/Promote ability for admins

* GRN-71: Added admin account by default

* GRN-15: Added the ability for admins to customize color and image

* Added the super admin and completed the design tab

* GRN-78: Cleaned up buttons and moved signin to its own page

* GRN-78: Moved the Rooms and Recordings link to nav bar

* Merge fix

* Views restructure fix (#458)

* Added cache to gitlab-ci.yml

* Restructured seed

* GRN2-99 -> GRN2-106: UI cleanup and refactoring (#478)

* GRN2-98: Change Fullname to Full name

* GRN2-105: Changed View Users to Manage Users

* GRN2-101/103: Updated email to match branding

* GRN2-100: Updated Email Sent flash to be more descriptive

* GRN2-104: Redirect user to sign in page w/ flash after clicking activation link

* GRN2-102: Changed the wording in the verification email

* GRN2-99: Added email form validation

* GRN2-106: Cleaned up Users list front end

* Fixes to rake and admin password validator for passing rubocop

* GRN2-113: Fixed issues with admin panel (#479)

* GRN2-116: Code clean up after restructure of views (#482)

* Removed unused references

* Rubocop

* Added pagination to admin view (#483)

* GRN2-114: Added the ability for admins to ban/unban users (#487)

* Added the ability for admins to ban and unban users

* Update sessions_helper.rb

*  Merge branch 'master' into admin-panel  (#492)

* Updated rubocop gem

* Updated rubocop and fixed issues (#490)

* Rubocop fixes

* GRN2-122: Updated sign in flow for admins and switch design tab to site settings (#489)

* Switched design tab to site settings

* Update _header with spaces instead of tabs

* Added more test cases to increase coverage (#494)

app/controllers/users_controller.rb

@@ -44,11 +44,15 @@ class UsersController < ApplicationController
       logger.error "Error in email delivery: #{e}"
       flash[:alert] = I18n.t(params[:message], default: I18n.t("delivery_error"))
     else
-      flash[:success] = I18n.t("email_sent")
+      flash[:success] = I18n.t("email_sent", email_type: t("verify.verification"))
     end
     redirect_to(root_path)
   end
 
+  # GET /signin
+  def signin
+  end
+
   # GET /signup
   def new
     if Rails.configuration.allow_user_signup
@@ -61,7 +65,7 @@ class UsersController < ApplicationController
   # GET /u/:user_uid/edit
   def edit
     if current_user
-      redirect_to current_user.room unless @user == current_user
+      redirect_to current_user.main_room if @user != current_user && !current_user.admin_of?(@user)
     else
       redirect_to root_path
     end
@@ -113,6 +117,16 @@ class UsersController < ApplicationController
     if current_user && current_user == @user
       @user.destroy
       session.delete(:user_id)
+    elsif current_user.admin_of?(@user)
+      begin
+        @user.destroy
+      rescue => e
+        logger.error "Error in user deletion: #{e}"
+        flash[:alert] = I18n.t(params[:message], default: I18n.t("administrator.flash.delete_fail"))
+      else
+        flash[:success] = I18n.t("administrator.flash.delete")
+      end
+      redirect_to(admins_path) && return
     end
     redirect_to root_path
   end