{"id":135295,"date":"2024-09-05T16:00:48","date_gmt":"2024-09-05T10:30:48","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?page_id=135295"},"modified":"2024-09-05T16:01:02","modified_gmt":"2024-09-05T10:31:02","slug":"adding-comments-to-the-social-media-api","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/","title":{"rendered":"Adding Comments to the Social Media API"},"content":{"rendered":"\n<p>In this section, we&#8217;ll extend our social media API to allow users to add comments to existing posts. We&#8217;ll utilize FastAPI&#8217;s powerful data modeling and relationship capabilities to create a robust and efficient commenting system.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Setting Up the Data Model<\/strong><\/h2>\n\n\n\n<p>First, we&#8217;ll define a data model for comments:<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from pydantic import BaseModel\n\nclass Comment(BaseModel):\n    content: str\n    user_id: int\n    post_id: int\n<\/code><\/pre>\n\n\n\n<p>This model ensures that comments have a <code>content<\/code> field, a <code>user_id<\/code> field, and a <code>post_id<\/code> field to associate them with specific posts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Creating a POST Endpoint<\/strong><\/h2>\n\n\n\n<p>Next, we&#8217;ll create a POST endpoint to handle the creation of comments:<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from fastapi import APIRouter, HTTPException\n\nrouter = APIRouter()\n\n@router.post(\"\/posts\/{post_id}\/comments\")\nasync def create_comment(post_id: int, comment: Comment, db: Session = Depends(get_db)):\n    post = db.query(Post).filter(Post.id == post_id).first()\n    if not post:\n        raise HTTPException(status_code=404, detail=\"Post &nbsp;  not found\")\n\n    new_comment = CommentModel(content=comment.content, user_id=comment.user_id, post_id=post_id)\n    db.add(new_comment)\n    db.commit()\n    db.refresh(new_comment)\n    return new_comment\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Explanation:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The <code>@router.post(\"\/posts\/{post_id}\/comments\")<\/code> decorator defines a POST endpoint for creating comments on a specific post.<\/li>\n\n\n\n<li>The <code>post_id<\/code> path parameter is used to identify the target post.<\/li>\n\n\n\n<li>The <code>comment<\/code> argument is used to receive the comment data.<\/li>\n\n\n\n<li>The <code>db.query(Post).filter(Post.id == post_id).first()<\/code> line retrieves the post with the specified ID from the database.<\/li>\n\n\n\n<li>If the post is not found, a 404 HTTPException is raised.<\/li>\n\n\n\n<li>A new <code>CommentModel<\/code> instance is created using the comment data and the post ID.<\/li>\n\n\n\n<li>The new comment is added to the database session.<\/li>\n\n\n\n<li>The changes are committed to the database.<\/li>\n\n\n\n<li>The created comment is refreshed to get its assigned ID.<\/li>\n\n\n\n<li>The created comment is returned as a response.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Retrieving Comments for a Post<\/strong><\/h2>\n\n\n\n<p>To retrieve comments for a specific post, you can create a GET endpoint:<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@router.get(\"\/posts\/{post_id}\/comments\")\nasync def get_comments(post_id: int, db: Session = Depends(get_db)):\n    comments = db.query(Comment).filter(Comment.post_id == post_id).all()\n    return comments\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>In this section, we&#8217;ll extend our social media API to allow users to add comments to existing posts. We&#8217;ll utilize FastAPI&#8217;s powerful data modeling and relationship capabilities to create a robust and efficient commenting system. Setting Up the Data Model First, we&#8217;ll define a data model for comments: Python This model ensures that comments have&#8230;<\/p>\n","protected":false},"author":16,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-135295","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Adding Comments to the Social Media API - Tutorial<\/title>\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.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Adding Comments to the Social Media API - Tutorial\" \/>\n<meta property=\"og:description\" content=\"In this section, we&#8217;ll extend our social media API to allow users to add comments to existing posts. We&#8217;ll utilize FastAPI&#8217;s powerful data modeling and relationship capabilities to create a robust and efficient commenting system. Setting Up the Data Model First, we&#8217;ll define a data model for comments: Python This model ensures that comments have...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/\" \/>\n<meta property=\"og:site_name\" content=\"Tutorial\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/vskills.in\/\" \/>\n<meta property=\"article:modified_time\" content=\"2024-09-05T10:31:02+00:00\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/\",\"url\":\"https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/\",\"name\":\"Adding Comments to the Social Media API - Tutorial\",\"isPartOf\":{\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/#website\"},\"datePublished\":\"2024-09-05T10:30:48+00:00\",\"dateModified\":\"2024-09-05T10:31:02+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.vskills.in\/certification\/tutorial\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Adding Comments to the Social Media API\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/#website\",\"url\":\"https:\/\/www.vskills.in\/certification\/tutorial\/\",\"name\":\"Tutorial\",\"description\":\"Vskills - A initiative in elearning and certification\",\"publisher\":{\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.vskills.in\/certification\/tutorial\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/#organization\",\"name\":\"Vskills\",\"url\":\"https:\/\/www.vskills.in\/certification\/tutorial\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2017\/07\/vskills-min-logo.jpg\",\"contentUrl\":\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2017\/07\/vskills-min-logo.jpg\",\"width\":73,\"height\":55,\"caption\":\"Vskills\"},\"image\":{\"@id\":\"https:\/\/www.vskills.in\/certification\/tutorial\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/vskills.in\/\",\"https:\/\/x.com\/vskills_in\",\"https:\/\/www.linkedin.com\/company-beta\/1371554\/\",\"https:\/\/www.youtube.com\/channel\/UCMWnscxPwRF_PqXo9B7q_Tw\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Adding Comments to the Social Media API - Tutorial","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/","og_locale":"en_US","og_type":"article","og_title":"Adding Comments to the Social Media API - Tutorial","og_description":"In this section, we&#8217;ll extend our social media API to allow users to add comments to existing posts. We&#8217;ll utilize FastAPI&#8217;s powerful data modeling and relationship capabilities to create a robust and efficient commenting system. Setting Up the Data Model First, we&#8217;ll define a data model for comments: Python This model ensures that comments have...","og_url":"https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/","og_site_name":"Tutorial","article_publisher":"https:\/\/www.facebook.com\/vskills.in\/","article_modified_time":"2024-09-05T10:31:02+00:00","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/","url":"https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/","name":"Adding Comments to the Social Media API - Tutorial","isPartOf":{"@id":"https:\/\/www.vskills.in\/certification\/tutorial\/#website"},"datePublished":"2024-09-05T10:30:48+00:00","dateModified":"2024-09-05T10:31:02+00:00","breadcrumb":{"@id":"https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.vskills.in\/certification\/tutorial\/adding-comments-to-the-social-media-api\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.vskills.in\/certification\/tutorial\/"},{"@type":"ListItem","position":2,"name":"Adding Comments to the Social Media API"}]},{"@type":"WebSite","@id":"https:\/\/www.vskills.in\/certification\/tutorial\/#website","url":"https:\/\/www.vskills.in\/certification\/tutorial\/","name":"Tutorial","description":"Vskills - A initiative in elearning and certification","publisher":{"@id":"https:\/\/www.vskills.in\/certification\/tutorial\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.vskills.in\/certification\/tutorial\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.vskills.in\/certification\/tutorial\/#organization","name":"Vskills","url":"https:\/\/www.vskills.in\/certification\/tutorial\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.vskills.in\/certification\/tutorial\/#\/schema\/logo\/image\/","url":"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2017\/07\/vskills-min-logo.jpg","contentUrl":"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2017\/07\/vskills-min-logo.jpg","width":73,"height":55,"caption":"Vskills"},"image":{"@id":"https:\/\/www.vskills.in\/certification\/tutorial\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/vskills.in\/","https:\/\/x.com\/vskills_in","https:\/\/www.linkedin.com\/company-beta\/1371554\/","https:\/\/www.youtube.com\/channel\/UCMWnscxPwRF_PqXo9B7q_Tw"]}]}},"_links":{"self":[{"href":"https:\/\/www.vskills.in\/certification\/tutorial\/wp-json\/wp\/v2\/pages\/135295","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vskills.in\/certification\/tutorial\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.vskills.in\/certification\/tutorial\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.vskills.in\/certification\/tutorial\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vskills.in\/certification\/tutorial\/wp-json\/wp\/v2\/comments?post=135295"}],"version-history":[{"count":2,"href":"https:\/\/www.vskills.in\/certification\/tutorial\/wp-json\/wp\/v2\/pages\/135295\/revisions"}],"predecessor-version":[{"id":135297,"href":"https:\/\/www.vskills.in\/certification\/tutorial\/wp-json\/wp\/v2\/pages\/135295\/revisions\/135297"}],"wp:attachment":[{"href":"https:\/\/www.vskills.in\/certification\/tutorial\/wp-json\/wp\/v2\/media?parent=135295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vskills.in\/certification\/tutorial\/wp-json\/wp\/v2\/categories?post=135295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vskills.in\/certification\/tutorial\/wp-json\/wp\/v2\/tags?post=135295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}