StackOverflow2013

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plurals

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primarykey
Id
6901074
data
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0
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0
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2011-08-01T15:56:59.453
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2011-08-01T15:56:59.453
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0
OwnerUserId
453399
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6899037
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2
Score
10
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LastEditorDisplayName
text
Body
First you need to set up the database to handle this, personally I'd go with a has_many :through association because it provides more flexibility over has_and_belongs_to_many. The choice, however, is up to you. I recommend you look up the different types in the API and decide for yourself. This example will deal with has_many :through. Models <pre><code># user.rb (model) has_many :favorites has_many :posts, :through => :favorites # post.rb (model) has_many :favorites has_many :users, :through => :favorites # favorite.rb (model) belongs_to :user belongs_to :post </code></pre> Controller <pre><code># favorites_controller.rb def create current_user.favorites.create(:post_id => params[:post_id]) render :layout => false end </code></pre> Routes <pre><code>match "favorites/:post_id" => "favorites#create", :as => :favorite </code></pre> jQuery <pre><code>$(".favorite").click(function() { var post_id = $(this).attr('id'); $.ajax({ type: "POST", url: 'favorites/' + post_id, success: function() { // change image or something } }) }) </code></pre> Notes This assumes a couple of things: Using Rails 3, using jQuery, each favorite icon has an html id with the post id. Keep in mind I've not tested the code and I wrote it in this window so you probably have to fix some minor problems, but it should give you an impression of how I usually does this. The visual stuff and such I'll leave up to you. If anyone spot any mistakes please feel free to edit this post.
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1. POrails ajax fav button for user posts
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1. USamunds
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1. POrails ajax fav button for user posts
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Guidance

A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.