Rails 3.1.3
I have changed a regular scaffold action a bit so that it can save using ajax. All I needed to do was adding ":remote => true" in
<div id="script_new"> <%= form_for script, :remote => true do |f| %> <!-- HERE!!! --> <%= f.hidden_field :video_id %> <%= f.text_field :text %> <%= f.submit "save" %> <% end %> </div>
then even though the whole page does not change itself, I can see the data saved by reloading the page. Namely, the data is in fact saved in the database ( Eventually I will modify it so that it will reflect in the page using javascript + ajax).
But the problem is that a single 'save' action (clicking the "save" button) seems to save the same data twice. Why is that???
After executing the saving method, the following messages appear consecutively in the command console where the rails server is up. They seem similar to each other, but two separate SQL actions.
Started POST "/scripts" for 127.0.0.1 at 2012-02-07 19:17:53 +0900 Processing by ScriptsController#create as JS Parameters: {"utf8"=>"✓", "authenticity_token"=>"xxx+gv5Cr9GjC0UpqfH89qgnRii4=", "script"=>{"video_id"=>"1", "startp"=>"0", "endp"=>"20", "text"=>"This is a test!"}, "commit"=>"save"} SQL (0.7ms) INSERT INTO "scripts" ("created_at", "endp", "startp", "text", "updated_at", "video_id") VALUES (?, ?, ?, ?, ?, ?) [["created_at", Tue, 07 Feb 2012 10:17:53 UTC +00:00], ["endp", 20], ["startp", 0], ["text", "This is a test!"], ["updated_at", Tue, 07 Feb 2012 10:17:53 UTC +00:00], ["video_id", 1]] Completed 201 Created in 14ms (Views: 2.3ms | ActiveRecord: 0.9ms)
Started POST "/scripts" for 127.0.0.1 at 2012-02-07 19:17:53 +0900 Processing by ScriptsController#create as JS Parameters: {"utf8"=>"✓", "authenticity_token"=>"xxx+gv5Cr9GjC0UpqfH89qgnRii4=", "script"=>{"video_id"=>"1", "startp"=>"0", "endp"=>"20", "text"=>"This is a test!"}} SQL (0.6ms) INSERT INTO "scripts" ("created_at", "endp", "startp", "text", "updated_at", "video_id") VALUES (?, ?, ?, ?, ?, ?) [["created_at", Tue, 07 Feb 2012 10:17:53 UTC +00:00], ["endp", 20], ["startp", 0], ["text", "This is a test!"], ["updated_at", Tue, 07 Feb 2012 10:17:53 UTC +00:00], ["video_id", 1]] Completed 201 Created in 14ms (Views: 2.4ms | ActiveRecord: 0.9ms)
To be honest, I have no idea which part of my code to show you in order to gain some help to resolve this because I have not changed much from the regular scaffold generation.
But this is the create action in scripts_controller.rb. It is to throw json data so that Ajax will catch it.
def create @script = Script.new(params[:script]) respond_to do |format| if @script.save format.json { render json: @script, status: :created, location: @script } else format.html { render action: "new" } format.json { render json: @script.errors, status: :unprocessable_entity } end end end
And script.rb
class Script < ActiveRecord::Base belongs_to :video has_many :users end
If the information I provide is not enough, please indicate which part of my code is ought be disclosed.
Thanks in advance.
soichi
