{"id":1380,"date":"2015-01-30T05:07:22","date_gmt":"2015-01-30T05:07:22","guid":{"rendered":"https:\/\/dev.railscarma.com\/introduction-rails-api\/"},"modified":"2024-01-10T13:32:14","modified_gmt":"2024-01-10T13:32:14","slug":"introduktionsskenor-api","status":"publish","type":"post","link":"https:\/\/www.railscarma.com\/sv\/blogg\/rals-3\/introduktionsskenor-api\/","title":{"rendered":"En introduktion till Rails API"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1380\" class=\"elementor elementor-1380\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4ad04fb5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4ad04fb5\" 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-6577bf76\" data-id=\"6577bf76\" 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-50c2f463 elementor-widget elementor-widget-text-editor\" data-id=\"50c2f463\" 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>API st\u00e5r f\u00f6r <strong>Program f\u00f6r applikationsgr\u00e4nssnitt<\/strong>, vilket inneb\u00e4r att en applikation kan interagera med \u2018n\u2019 antal applikationer \u2013 oavsett om de \u00e4r skrivna i samma eller olika spr\u00e5k \u2013 f\u00f6r att f\u00e5 tillg\u00e5ng till data och funktionalitet.<br>\nAtt utveckla API-applikationer ger webbapplikationer b\u00e4ttre skalbarhet. Det underl\u00e4ttar dessutom integrationen med applikationer och programmeringsspr\u00e5k fr\u00e5n olika dom\u00e4ner.<br>\n\u2022 iOS-appar<br>\n\u2022 Android-appar<br>\n\u2022 Node.js-ramverk<br>\n\u2022 Angular.js-ramverket<\/p>\n<p>Det finns tv\u00e5 s\u00e4tt att \u00e5stadkomma detta i Rails.<\/p>\n<p>1. Vi kan enkelt skapa en ny API-applikation med hj\u00e4lp av en gem som heter <strong>rails-api<\/strong>, som \u00e4rver ans\u00f6kan fr\u00e5n <strong>ActionControllerAPI<\/strong> ist\u00e4llet f\u00f6r <strong>ActionControllerBase<\/strong> och d\u00e5 hoppar den \u00f6ver genereringen av vyer. Detta underl\u00e4ttar ocks\u00e5 konfigurationen av mellanprogrammen.<\/p>\n<p>2. Om applikationen redan har skapats m\u00e5ste vi manuellt \u00e4rva fr\u00e5n ActionControllerAPI.<\/p>\n<p><strong>Versionering av API:er<\/strong><br>\nN\u00e4r applikationen \u00e4r konfigurerad kan vi skapa kontrollern under controller\/v1-mappen, som hj\u00e4lper till att enkelt underh\u00e5lla versioner och sl\u00e4ppa nya versioner av API:er. I denna styrenhet kan vi skriva kod f\u00f6r crud eller n\u00e5gon funktionalitet som kan anropas med curl eller som API-beg\u00e4ran fr\u00e5n gr\u00e4nssnittsapplikationen f\u00f6r GET, POST, DELETE, PATCH-f\u00f6rfr\u00e5gningar ger svar i JSON\/xml-format, vilket \u00e4r i l\u00e4sbar form . Denna json-data kan l\u00e4sas och visas fr\u00e5n front-end-applikationen.<\/p>\n<p><strong>s\u00e4kerhet<\/strong><br>\nGenom att passera <strong><em>tecken<\/em> <\/strong>som genereras f\u00f6r varje anv\u00e4ndare och <strong><em>e-post<\/em><\/strong> av anv\u00e4ndaren via en API-header f\u00f6r att s\u00e4kra ett API. P\u00e5 s\u00e5 s\u00e4tt kan man s\u00e4kerst\u00e4lla att endast autentiserade anv\u00e4ndare kan komma \u00e5t och \u00e4ndra data via API:et. Med hj\u00e4lp av dessa kan vi autentisera anv\u00e4ndaren och s\u00e4kra applikationen. Utifr\u00e5n de data som skickas och om dessa st\u00e4mmer \u00f6verens med uppgifterna i applikationerna kan vi skicka tillbaka l\u00e4mpliga svar till frontend-applikationen.<\/p>\n<p>H\u00e4r \u00e4r n\u00e5gra grundl\u00e4ggande aspekter som kan implementeras med hj\u00e4lp av Rails och som bidrar till att skapa en robust API-arkitektur.<\/p>\n<p><a href=\"\/sv\/kontakta-oss\/\">Kontakta oss.<\/a><\/p>\n<p><strong>Sreedeep Kumar <\/strong><\/p>\n<p>Senior Ruby on Rails-utvecklare&nbsp;<\/p>\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-752b8922 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"752b8922\" 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-280f6a5d\" data-id=\"280f6a5d\" 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-440d412f elementor-widget elementor-widget-heading\" data-id=\"440d412f\" 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\">Prenumerera f\u00f6r de senaste uppdateringarna<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b5eed48 elementor-widget elementor-widget-shortcode\" data-id=\"3b5eed48\" 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                            jQuery('.invi-recaptcha').each(function (index, el) {\n                                grecaptcha.render(element[indexArray[index]], {\n                                    'sitekey': jQuery(el).attr('data-sitekey'),\n          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value=\"sv\"\/><\/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\">relaterade inl\u00e4gg<\/div>\r\n    <div 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Att skapa API-applikationer ger mer skalbarhet f\u00f6r webbapplikationerna. Det kommer ocks\u00e5 att underl\u00e4tta integrationen med applikationer\/spr\u00e5k \u00f6ver flera dom\u00e4ner. \u2022 iOS-appar \u2022 Android-appar \u2022 \u2026<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.railscarma.com\/sv\/blogg\/workflow-automation-with-ruby-on-rails-a-practical-guide\/\"> <span class=\"screen-reader-text\">Automatisering av arbetsfl\u00f6den med Ruby on Rails: En praktisk guide<\/span> L\u00e4s mer \u00bb<\/a><\/p>","protected":false},"author":1,"featured_media":32051,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[455],"tags":[619,620],"class_list":["post-1380","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rails-3","tag-api","tag-rails-api"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>An Introduction to Rails API - RailsCarma Blog<\/title>\n<meta name=\"description\" content=\"API stands for Application Interface Program, which provides one application to interact with &#039;n&#039; number of applications which is of same\/different language, to access the data\/functionality. Creating API application provides more scalability to the web applications.\" \/>\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\/sv\/blogg\/rals-3\/introduktionsskenor-api\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"An Introduction to Rails API - RailsCarma Blog\" \/>\n<meta property=\"og:description\" content=\"API stands for Application Interface Program, which provides one application to interact with &#039;n&#039; number of applications which is of same\/different language, to access the data\/functionality. 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