GRN2-210: Add ability to search by role (bigbluebutton#659)

* Add ability to search by role

* Fix role search to work with select

app/controllers/admins_controller.rb

@@ -206,15 +206,13 @@ def user_list
       User.without_role(:super_admin).where.not(id: current_user.id).includes(:roles)
     end
 
-    list = @role.present? ? initial_list.with_role(@role.to_sym) : initial_list
-
     if Rails.configuration.loadbalanced_configuration
-      list.where(provider: user_settings_provider)
-          .admins_search(@search)
-          .admins_order(@order_column, @order_direction)
+      initial_list.where(provider: user_settings_provider)
+                  .admins_search(@search, @role)
+                  .admins_order(@order_column, @order_direction)
     else
-      list.admins_search(@search)
-          .admins_order(@order_column, @order_direction)
+      initial_list.admins_search(@search, @role)
+                  .admins_order(@order_column, @order_direction)
     end
   end
 

app/models/user.rb

@@ -101,7 +101,7 @@ def auth_image(auth)
     end
   end
 
-  def self.admins_search(string)
+  def self.admins_search(string, role)
     active_database = Rails.configuration.database_configuration[Rails.env]["adapter"]
     # Postgres requires created_at to be cast to a string
     created_at_query = if active_database == "postgresql"
@@ -110,10 +110,24 @@ def self.admins_search(string)
       "created_at"
     end
 
-    search_query = "users.name LIKE :search OR email LIKE :search OR username LIKE :search" \
-                   " OR users.#{created_at_query} LIKE :search OR provider LIKE :search"
+    search_query = ""
+    role_search_param = ""
+    if role.present?
+      search_query = "(users.name LIKE :search OR email LIKE :search OR username LIKE :search" \
+                    " OR users.#{created_at_query} LIKE :search OR provider LIKE :search)" \
+                    " AND roles.name = :roles_search"
+      role_search_param = role
+    else
+      search_query = "users.name LIKE :search OR email LIKE :search OR username LIKE :search" \
+                    " OR users.#{created_at_query} LIKE :search OR provider LIKE :search" \
+                    " OR roles.name LIKE :roles_search"
+      role_search_param = "%#{string}%".downcase
+    end
+
     search_param = "%#{string}%"
-    where(search_query, search: search_param)
+    joins("LEFT OUTER JOIN users_roles ON users_roles.user_id = users.id LEFT OUTER JOIN roles " \
+      "ON roles.id = users_roles.role_id").distinct
+      .where(search_query, search: search_param, roles_search: role_search_param)
   end
 
   def self.admins_order(column, direction)

config/locales/en.yml

@@ -360,7 +360,7 @@ en:
     confirm: New Password Confirmation
     update: Update Password
   roles:
-    administrator: Administrator
+    administrator: Admin
     banned: Banned
     pending: Pending
     super_admin: Super Admin