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8 Cards in this Set
- Front
- Back
- 3rd side (hint)
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params
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Rails uses to send a new query parameter in the URL.
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Ex: @tweet = Tweet.create(:status => params[:status])
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respond_to
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can set formatting to render in XML or JSON.
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respond_to do |format|
format.html format.xml { render : xml => @tweet } |
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session
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Works like a per user hash
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session[:zombie_id] != @tweet.zombie_id
flash[:notice] = "Sorry, you can't edit this tweet" |
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flash
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Sends messages to the user
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flash[:notice]
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redirect <path>
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Redirects the request. For example, if somebody does not pass validation.
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redirect_to(tweets_path,
:notice => "Sorry, you can't edit this tweet") |
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before_filter
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Use to create methods that can be applied to multiple views. For example, to check authorization for edit, update and destroy.
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before_filter :get_tweet, :only => [:edit, :update, :destroy]
def get_tweet @tweet = Tweet.find(params[:id]) end |
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show
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In the controller
def show @tweet = Tweet.find(params[:id]) render :action => 'status' end |
In the controller
def show @tweet = Tweet.find(params[:id]) render :action => 'status' end |
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render
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def show
render :action => :show end |
def show
render :action => :show end |
