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POLike button does not update with AJAX
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  1. POLike button does not update with AJAX
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    copied!<p>I am passing a collection (@feed_items) to a _feed_item partial via the :collection option and converting it to dailypost with :as => :dailypost. </p> <p>Inside the _feed_item partial I rendered another partial for _like_button, and i used :locals to continue using dailypost.</p> <p>Everything works fine with the database. Likes get added and taken out :) BUT</p> <p><strong>I am trying to use (AJAX) to create.js.erb &amp; destroy.js.erb the like button. For some reason only the top post gets updated correctly and i have to refresh the page to see the ones below it.</strong></p> <p>I know the solution involves assigning a unique post id to each "like" element, say "like-123", but that is where i am stuck.......</p> <p>I also know that the problem may be in _feed_items.html.erb because i am passing two ids....any suggestions??</p> <p><strong>Views</strong></p> <p>_feed.html.erb</p> <pre><code>&lt;% if @feed_items.any? %&gt; &lt;ol&gt; &lt;%= render partial: 'shared/feed_item', collection: @feed_items, :as =&gt; :dailypost %&gt; &lt;/ol&gt; &lt;% end %&gt; </code></pre> <p>_feed_items.html.erb</p> <pre><code>&lt;li id="&lt;%= @dailypost.id %&gt;"&gt; &lt;span class="user"&gt; &lt;%= link_to dailypost.user.name, dailypost.user %&gt; &lt;span class="content"&gt;&lt;%= dailypost.content_html %&gt;&lt;/span&gt; &lt;div id="like"&gt; &lt;%= render :partial =&gt; 'likes/like_button', :locals =&gt;{:dailypost =&gt; dailypost} %&gt; &lt;/div&gt; &lt;/li&gt; </code></pre> <p>_like_button.html.erb</p> <pre><code>&lt;% if like = current_user.likes.find_by_dailypost_id(dailypost.id) %&gt; &lt;%= form_for like, :html =&gt; { :method =&gt; :delete }, :remote =&gt; true do |f| %&gt; &lt;%= f.submit "Unlike" %&gt; &lt;% end %&gt; &lt;% else %&gt; &lt;%= form_for current_user.likes.build, :remote =&gt; true do |f| %&gt; &lt;div&gt;&lt;%= f.hidden_field :dailypost_id, value: dailypost.id %&gt;&lt;/div&gt; &lt;%= f.hidden_field :user_id %&gt; &lt;%= f.submit "Like" %&gt; &lt;% end %&gt; &lt;% end %&gt; </code></pre> <p>create.js.erb</p> <pre><code>$("#like").html("&lt;%= escape_javascript(render :partial =&gt; 'like_button', :locals =&gt; {:dailypost =&gt; @dailypost}) %&gt;"); </code></pre> <p>destroy.js.erb</p> <pre><code>$("#like").html("&lt;%= escape_javascript(render :partial =&gt; 'like_button', :locals =&gt; {:dailypost =&gt; @dailypost}) %&gt;"); </code></pre> <p><strong>Controller</strong></p> <pre><code>class LikesController &lt; ApplicationController respond_to :html, :js def create @like = Like.create(params[:like]) @dailypost = @like.dailypost respond_to do |format| format.js format.html { redirect_to :back } end end def destroy like = Like.find(params[:id]).destroy @dailypost = like.dailypost respond_to do |format| format.js format.html { redirect_to :back } end end end </code></pre>
 

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