Admin accounts controller cleanup (#1664)

* Remove unused account_params method in admin/accounts controller

* Introduce AccountFilter to find accounts

* Use AccountFilter in admin/accounts controller

* Use more restful routes admin silence and suspension area

* Add admin/silences and admin/suspensions controllers

app/controllers/admin/accounts_controller.rb

@@ -2,49 +2,29 @@
 
 module Admin
   class AccountsController < BaseController
-    before_action :set_account, except: :index
-
     def index
-      @accounts = Account.alphabetic.page(params[:page])
-
-      @accounts = @accounts.local                             if params[:local].present?
-      @accounts = @accounts.remote                            if params[:remote].present?
-      @accounts = @accounts.where(domain: params[:by_domain]) if params[:by_domain].present?
-      @accounts = @accounts.silenced                          if params[:silenced].present?
-      @accounts = @accounts.recent                            if params[:recent].present?
-      @accounts = @accounts.suspended                         if params[:suspended].present?
+      @accounts = filtered_accounts.page(params[:page])
     end
 
-    def show; end
-
-    def suspend
-      Admin::SuspensionWorker.perform_async(@account.id)
-      redirect_to admin_accounts_path
-    end
-
-    def unsuspend
-      @account.update(suspended: false)
-      redirect_to admin_accounts_path
-    end
-
-    def silence
-      @account.update(silenced: true)
-      redirect_to admin_accounts_path
-    end
-
-    def unsilence
-      @account.update(silenced: false)
-      redirect_to admin_accounts_path
+    def show
+      @account = Account.find(params[:id])
     end
 
     private
 
-    def set_account
-      @account = Account.find(params[:id])
+    def filtered_accounts
+      AccountFilter.new(filter_params).results
     end
 
-    def account_params
-      params.require(:account).permit(:silenced, :suspended)
+    def filter_params
+      params.permit(
+        :local,
+        :remote,
+        :by_domain,
+        :silenced,
+        :recent,
+        :suspended
+      )
     end
   end
 end