{"id":25483,"date":"2016-10-20T11:00:18","date_gmt":"2016-10-20T11:00:18","guid":{"rendered":"https:\/\/dev.railscarma.com\/active-admin\/"},"modified":"2024-01-10T13:03:01","modified_gmt":"2024-01-10T13:03:01","slug":"aktiver-administrator","status":"publish","type":"post","link":"https:\/\/www.railscarma.com\/de\/blog\/fachartikel\/aktiver-administrator\/","title":{"rendered":"Aktiver Administrator"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"25483\" class=\"elementor elementor-25483\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-63bb0af9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"63bb0af9\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7e80793\" data-id=\"7e80793\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-51968f9b elementor-widget elementor-widget-text-editor\" data-id=\"51968f9b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Der Admin-Bereich ist ein gemeinsames Modul f\u00fcr die meisten Anwendungen. F\u00fcr Rails-Anwendungen haben wir ein Juwel namens Active Admin. Damit k\u00f6nnen mit geringem Aufwand Anwendungen von Grund auf bis hin zu Admin-Oberfl\u00e4chen erstellt werden.<\/p>\n<p><strong>Einf\u00fchrung<\/strong><br>\nEs handelt sich um ein Framework, in dem alle Verwaltungsaufgaben verwaltet werden k\u00f6nnen. Es erstellt die sch\u00f6ne Admin-Oberfl\u00e4che, die Ihnen Zugriff auf die Verwaltung der Daten bietet und die einfach angepasst werden kann.<\/p>\n<p><strong>Wie wird installiert und eingerichtet?<\/strong><\/p>\n<p>First I will be creating three modules for my Rails 5 application.<\/p>\n<p>Artist, Producer and Movie<\/p>\n<pre><code>Beziehungen: artist.rb has_many :Filme Produzent.rb has_many :Filme movie.rb geh\u00f6rt_zu :K\u00fcnstler geh\u00f6rt_zu :Produzent\n<\/code><\/pre>\n<p>F\u00fcgen wir activeadmin zur Gemfile hinzu und f\u00fchren die Bundle-Installation durch.<\/p>\n<pre><code>gem &#039;devise&#039; gem &#039;activeadmin&#039;, github: &#039;activeadmin&#039; Bundle-Installation<\/code><\/pre>\n<p>Es gibt einige Abh\u00e4ngigkeiten, die Sie f\u00fcr Rails 5 hinzuf\u00fcgen m\u00fcssen. F\u00fcgen Sie das folgende Gem zur Gem-Datei hinzu und f\u00fchren Sie die Bundle-Installation erneut durch.<\/p>\n<pre><code>gem &#039;inherited_resources&#039;, github: &#039;activeadmin\/inherited_resources&#039;<\/code><\/pre>\n<p>F\u00fchren Sie den Generator aus, um den aktiven Administrator zu installieren. Es erstellt alle Verwaltungsdateien im Verzeichnis app\/admin. Ger\u00e4te-Gem, das vom aktiven Administrator zur Authentifizierung verwendet wird.<\/p>\n<pre><code>Schienen g active_admin:install<\/code><\/pre>\n<p>Ihr Terminal fordert Sie auf, dass einige Einstellungen manuell konfiguriert werden m\u00fcssen, sobald Sie den obigen Befehl ausgef\u00fchrt haben.<\/p>\n<p><strong>ActiveAdmin-Authentifizierung<\/strong><\/p>\n<p>Requires two settings to authenticate and use current user in the application.<\/p>\n<p>To force controller methods to authenticate<\/p>\n<pre><code>config.authentication_method = :authenticate_admin_user!<\/code><\/pre>\n<p>Um \u00fcber die Methoden auf den aktuellen Benutzer zuzugreifen<\/p>\n<pre><code>config.current_user_method = :current_admin_user<\/code><\/pre>\n<p>Both above settings can be set to false to turn off authentication.<\/p>\n<p>Start the rails server and navigate to the <a href=\"http:\/\/localhost:3000\/admin\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/localhost:3000\/admin<\/a>. Sie k\u00f6nnen sich mit den folgenden Anmeldeinformationen anmelden.<\/p>\n<pre><code>Benutzername: admin@example.com Passwort: Passwort<\/code><\/pre>\n<p><a href=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2024\/01\/active-admin-.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-25484\" src=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2024\/01\/active-admin-.png\" alt=\"aktiver-admin\" width=\"1368\" height=\"768\"><\/a><\/p>\n<p>Nach erfolgreicher Anmeldung wird das Admin-Dashboard angezeigt. Im oberen Men\u00fc wird die Liste der Modelle angezeigt, die beim aktiven Administrator registriert sind. Derzeit haben wir nur einen Modell-AdminUser. Hier k\u00f6nnen Sie Admin-Informationen erstellen oder bearbeiten.<\/p>\n<p><strong>Anpassen von Ansichten<\/strong><br>\nHier m\u00fcssen wir unsere Modelle mit aktivem Administrator registrieren.<\/p>\n<pre><code>Schienen generieren active_admin:resource K\u00fcnstler Schienen generieren active_admin:resource Produzent Schienen generieren active_admin:resource Film<\/code><\/pre>\n<p>Zuvor k\u00f6nnen wir Ihrer Datenbank einige Daten hinzuf\u00fcgen.<\/p>\n<pre><code>Seeds.rb a1 = Artist.create!(name: &#039;artist-1&#039;) a2 = Artist.create!(name: &#039;artist-2&#039;) p1 = Producer.create!(name: &#039;producer-1&#039;) p2 = Producer.create!(name: &#039;producer-2&#039;) Movie.create!(name: &#039;movie-1&#039;, Erscheinungsjahr: 2014, Regisseur: &#039;director-1&#039;, Beschreibung: &#039;Lorem Ipsum ist einfach Blindtext der Ver\u00f6ffentlichung und Satzindustrie.\u2018, K\u00fcnstler: a1, Produzent: p1)\n<\/code><\/pre>\n<p>F\u00fchren Sie die Anwendung aus, Sie k\u00f6nnen das Seed auf der Benutzeroberfl\u00e4che sehen und die Daten bearbeiten und l\u00f6schen.<\/p>\n<p><strong>Anpassung<\/strong><\/p>\n<p>Standardm\u00e4\u00dfig wird die Ressource in der globalen Navigation angezeigt. Es kann im Men\u00fc deaktiviert werden, wenn es nicht ben\u00f6tigt wird.<\/p>\n<pre><code>ActiveAdmin.register Film f\u00fchrt zum falschen Ende des Men\u00fcs<\/code><\/pre>\n<p>Benennen Sie die Men\u00fcbezeichnung in die gew\u00fcnschte Bezeichnung um.<\/p>\n<pre><code>ActiveAdmin.register Film-Men\u00fcbezeichnung: Ende \u201eListe der Filme\u201c.<\/code><\/pre>\n<p>Die Men\u00fcpriorit\u00e4t kann eingestellt werden<\/p>\n<pre><code>ActiveAdmin.register Movie-Do-Men\u00fcpriorit\u00e4t: 4 Ende<\/code><\/pre>\n<p>Standardm\u00e4\u00dfig werden alle zur Anzeige verwendeten Spalten angezeigt. Sie k\u00f6nnen die erforderlichen Spalten in der Indexmethode auflisten, die zur Anzeige verwendet wurde. Hier habe ich Zeitstempelspalten aus admin\/movie.rb entfernt<\/p>\n<pre><code>Index Do-Spalte: Name-Spalte: Beschreibungsspalte: Release-Jahr-Spalte: Regisseur-Spalte: Produzenten-Spalte: K\u00fcnstler-Aktionen Ende<\/code><\/pre>\n<p>Sie k\u00f6nnen den Spaltennamen anpassen, indem Sie in der Indexmethode den Spaltennamen vor dem Feld angeben.<\/p>\n<pre><code>Spalte \u201eVorname\u201c, :name<\/code><\/pre>\n<p>Auf der rechten Seite der Seite finden wir den Filterbereich. Standardm\u00e4\u00dfig erkennt der aktive Administrator \u201egeh\u00f6rt_zu\u201c-Beziehungen. Wir k\u00f6nnen den Filterbereich anpassen.&nbsp;<\/p>\n<pre><code>Filter :producer, :as =&gt; :check_boxes<\/code><\/pre>\n<pre><code>Filter :K\u00fcnstler, :as =&gt; :check_boxes<\/code><\/pre>\n<p><strong><br>\nCSV-Anpassung <\/strong><\/p>\n<p>Der aktive Administrator l\u00e4dt alle angezeigten Spalten in die CSV-Datei herunter. Hier k\u00f6nnen wir mit den CSV-Einstellungen die ben\u00f6tigten Spalten anpassen.<\/p>\n<pre><code>ActiveAdmin.register Movie do csv force_quotes: true, col_sep: &#039;;&#039;, columns_names: false do columns :name columns(:artist) { |movie| movie.artist } Column(:producer) { |movie| movie.producer } Ende Ende<\/code><\/pre>\n<p><strong>Auch global k\u00f6nnen wir Einstellungen f\u00fcr die CSV konfigurieren<\/strong><\/p>\n<pre><code># config\/initializers\/active_admin.rb<\/code><\/pre>\n<p># Legen Sie das CSV-Builder-Trennzeichen fest<\/p>\n<pre><code>config.csv_options = { col_sep: &#039;;&#039; }<\/code><\/pre>\n<p># Erzwingt die Verwendung von Anf\u00fchrungszeichen<\/p>\n<pre><code>config.csv_options = { force_quotes: true }<\/code><\/pre>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4e0c81f6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4e0c81f6\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4a1fe38b\" data-id=\"4a1fe38b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-471440a0 elementor-widget elementor-widget-heading\" data-id=\"471440a0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Abonnieren Sie die neuesten Updates<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element 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For Rails applications we have a gem called Active Admin. That can be used to create application from scratch to admin interfaces with little effort. Introduction Its a framework where all the admin tasks can be managed. 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