{"id":7639,"date":"2016-02-19T16:05:45","date_gmt":"2016-02-19T16:05:45","guid":{"rendered":"https:\/\/dev.railscarma.com\/how-to-schedule-tasks-with-ruby-on-rails\/"},"modified":"2021-06-06T12:39:19","modified_gmt":"2021-06-06T12:39:19","slug":"wie-man-aufgaben-mit-ruby-on-rails-plant","status":"publish","type":"post","link":"https:\/\/www.railscarma.com\/de\/blog\/fachartikel\/wie-man-aufgaben-mit-ruby-on-rails-plant\/","title":{"rendered":"Wie man mit Ruby on Rails Aufgaben plant"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"7639\" class=\"elementor elementor-7639\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-437abbe6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"437abbe6\" 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-b7949c1\" data-id=\"b7949c1\" 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-2d539834 elementor-widget elementor-widget-text-editor\" data-id=\"2d539834\" 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<h2>Planen von Aufgaben mit Ruby on Rails<\/h2>\n\"N\u00e4chste Woche kann es keine Krise geben. Mein Terminplan ist bereits voll.\" Dieses freche Zitat von Henry Kissinger erkl\u00e4rt, wie wichtig es ist, einen Zeitplan zu haben. Ob im Leben oder in der Technik, Zeitplanung ist wichtig.\n\nWenn es um Ruby on Rails geht, das Konventionen der Konfiguration vorzieht, ist ein Scheduler ein Muss. Scheduling Job kann definiert werden als \"ein Entscheidungsprozess der Bindung von Ressourcen zwischen verschiedenen Arten von Aufgaben\". Es handelt sich im Grunde um eine Funktion, die es erm\u00f6glicht, Routineaufgaben als Teil einer Sequenz oder zu einer vordefinierten Zeit auszuf\u00fchren, wie z.B. die Durchf\u00fchrung von Wartungsarbeiten beim Abrufen von RSS-Feeds. Diese geplanten Aufgaben, die im Hintergrund ausgef\u00fchrt werden, werden von \"Workern\" ausgef\u00fchrt.\n\nWie lassen sich Aufgaben in einer Rails-Umgebung also am besten planen? Normalerweise k\u00f6nnen Entwickler anwendungsspezifische Cron-Jobs verwenden, um die Aufgaben auszuf\u00fchren, aber Cron-Jobs sind f\u00fcr die Planung von Dingen gedacht, nicht f\u00fcr deren Ausf\u00fchrung. Sie funktionieren auch gut auf einem einzelnen Server, aber wenn man sie auf mehrere Server skalieren m\u00f6chte, funktionieren sie nicht so gut. Au\u00dferdem sind sie schwer zu debuggen und zeitaufw\u00e4ndig. Wie k\u00f6nnen Sie also sicherstellen, dass Ihr Scheduling gut und ohne Abh\u00e4ngigkeiten oder zu viel Syntax funktioniert? Whenever\" kommt zu Ihrer Rettung! Sehen Sie sich an, wie Sie mit dem Gem 'whenever' Cron-Jobs mit Ruby erstellen k\u00f6nnen.\n<h3>Was ist Wann immer ein Edelstein?<\/h3>\nEs wird zum Schreiben und Bereitstellen von Mais-Auftr\u00e4gen mit klarer Syntax verwendet.\n<h3>Wie wird es installiert?<\/h3>\n<blockquote>gem 'whenever', :require =&gt; false<\/blockquote>\nNach der Installation m\u00fcssen wir in der Konsole \"wheneverize .\" eingeben, was automatisch die Datei schedule.rb im Ordner config erstellt.\n\nInnerhalb der Datei schedule.rb k\u00f6nnen wir die Funktion basierend auf Zeit, Datum, Monat, etc. planen.\n\nBeispiel:\n<blockquote>alle 1.Tag, :at =&gt; '10:00 Uhr' do\n\nrake \"sow:events_reminder_mail\", :environment =&gt; :development\n\nend<\/blockquote>\nBevor wir die Aktion planen, m\u00fcssen wir innerhalb des lib-Ordners einen Task-Ordner erstellen, innerhalb des Task-Ordners k\u00f6nnen wir eine Rake-Datei erstellen, deren Namen wir nur f\u00fcr die Planung der Aktion verwenden m\u00fcssen\n<blockquote>rake \"sow:events_reminder_mail\", --&gt; rake Dateiname mit Aufgabe Name\n\n:environment =&gt; :development ---&gt; Wir m\u00fcssen die Umgebung angeben<\/blockquote>\nIn der Rake-Datei k\u00f6nnen wir die Bedingung angeben und User Mailier f\u00fcr den Versand der E-Mail verwenden, so dass User Malier die E-Mail basierend auf der Planungszeit, dem Datum, dem Monat, etc. sendet.\n\nBeispiel:()\n<blockquote>desc \"Ereignisse inaktiv\"\n\nAufgabe :events_inactive =&gt; :environment do\n\n@events = Event.where(:end_date=&gt;Date.today-1.days)\n\n@events.each do |event|\n\nevent.update_attributes(:published_status=&gt;false,:inactive_dat e=&gt;Date.today)\n\nend\n\nend<\/blockquote>\nReferenz: https:\/\/github.com\/javan\/whenever\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-2c765912 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2c765912\" 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-24322977\" data-id=\"24322977\" 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-322ff6f6 elementor-widget elementor-widget-heading\" data-id=\"322ff6f6\" 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 elementor-element-4f2bf204 elementor-widget elementor-widget-shortcode\" data-id=\"4f2bf204\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t\t\t\t<script type=\"text\/javascript\">\n\t\t\t\t\t\tvar gCaptchaSibWidget;\n                        var onloadSibCallbackInvisible = function () {\n\n                            var element = document.getElementsByClassName('sib-default-btn');\n                            var countInvisible = 0;\n                            var indexArray = [];\n                            jQuery('.sib-default-btn').each(function (index, el) {\n                                if ((jQuery(el).attr('id') == \"invisible\")) {\n                                    indexArray[countInvisible] = index;\n                                    countInvisible++\n                                }\n                            });\n\n                    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class=\"sib-NAME-area\" name=\"NAME\" placeholder=\"Name\">\r\n<\/p>\r\n<p>\r\n    <input type=\"submit\" id=\"invisible\" class=\"sib-default-btn\" value=\"Abonnieren\">\r\n<\/p>\t\t\t\t<\/div>\n\t\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"de\"\/><\/form>\n\t\t\t<style>\n\t\t\t\tform#sib_signup_form_1 p.sib-alert-message {\n    padding: 6px 12px;\n    margin-bottom: 20px;\n    border: 1px solid transparent;\n    border-radius: 4px;\n    -webkit-box-sizing: border-box;\n    -moz-box-sizing: border-box;\n    box-sizing: border-box;\n}\nform#sib_signup_form_1 p.sib-alert-message-error {\n    background-color: #f2dede;\n    border-color: #ebccd1;\n    color: #a94442;\n}\nform#sib_signup_form_1 p.sib-alert-message-success {\n    background-color: #dff0d8;\n    border-color: #d6e9c6;\n    color: #3c763d;\n}\nform#sib_signup_form_1 p.sib-alert-message-warning {\n    background-color: #fcf8e3;\n    border-color: #faebcc;\n    color: #8a6d3b;\n}\n\t\t\t<\/style>\n\t\t\t<\/div>\n\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<\/div>\n\t\t  <div class=\"related-post slider\">\r\n        <div class=\"headline\">zusammenh\u00e4ngende Posts<\/div>\r\n    <div class=\"post-list owl-carousel\">\r\n\r\n            <div class=\"item\">\r\n            <div class=\"thumb post_thumb\">\r\n    <a  title=\"Kaminari-Juwel\" href=\"https:\/\/www.railscarma.com\/de\/blog\/fachartikel\/kaminari-juwel\/?related_post_from=37277\">\r\n\r\n      <img decoding=\"async\" width=\"800\" height=\"300\" src=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"Kaminari-Juwel\" srcset=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem.jpg 800w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem-300x113.jpg 300w, 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Rails \u201cThere cannot be a crisis next week. My schedule is already full.\u201d This cheeky quote by Henry Kissinger explains the importance of having a schedule. In life or in tech, scheduling are important. When it comes to Ruby on Rails which prefers convention over configuration, a scheduler is a &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.railscarma.com\/de\/blog\/rails-link_to-method-the-complete-guide-with-examples\/\"> <span class=\"screen-reader-text\">Rails link_to Methode: Die vollst\u00e4ndige Anleitung mit Beispielen<\/span> Weiterlesen \u00bb<\/a><\/p>","protected":false},"author":1,"featured_media":31955,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[384],"tags":[382],"class_list":["post-7639","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-articles","tag-ruby-on-rails"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Schedule Tasks With Ruby on Rails - RailsCarma - Ruby on Rails Development Company specializing in Offshore Development<\/title>\n<meta name=\"description\" content=\"Scheduling job can be defined as \u201ca decision process of committing resources between varieties of tasks\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.railscarma.com\/de\/blog\/fachartikel\/wie-man-aufgaben-mit-ruby-on-rails-plant\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Schedule Tasks With Ruby on Rails - 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