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POWhat is the most appropriate way to create an object in Ruby on Rails app through an http POST?
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  1. POWhat is the most appropriate way to create an object in Ruby on Rails app through an http POST?
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    copied!<p>I'm fairly new to web development in general and I've been working on a Ruby on Rails app that I want (eventually) to interact with an Android app. I currently am looking for the most appropriate and safe way to create an object from an http POST that would be sent from the Android app.</p> <p>The way I'm approaching it to initially achieve this by using a REST client extension for chrome trying to send POSTs to my app on localhost and have it create an object from the POST information.</p> <p>This is the result of the POST from the chrome extension:</p> <pre><code>Started POST "/problems" for 127.0.0.1 at 2012-09-15 14:16:19 -0400 Processing by ProblemsController#create as */* Parameters: {"user"=&gt;"7876483097", "latitude"=&gt;"18.378383", "longitude"=&gt;"-67.026201", "ptype"=&gt;"2", "description"=&gt;"Poste roto"} ←\[1m←\[36m (0.0ms)←\[0m ←\[1mbegin transaction←\[0m ←\[1m←\[35m (0.0ms)←\[0m rollback transaction Rendered problems/new.html.erb within layouts/application (31.0ms) Rendered layouts/_shim.html.erb (0.0ms) ←\[1m←\[36mUser Load (0.0ms)←\[0m ←\[1mSELECT "users".* FROM "users" WHERE "users"."remember_token" = 'gdmKIurcqDOMoDGWE4IBng' LIMIT 1←\[0m Rendered layouts/_header.html.erb (4.0ms) Rendered layouts/_footer.html.erb (1.0ms) Completed 200 OK in 93ms (Views: 87.0ms | ActiveRecord: 0.0ms) </code></pre> <p>Right where "rollback transaction" appears means that @problem.save in the create method has failed. Can anybody help identify what I'm missing or how i should change my approach to do it correctly.</p> <p>Here is my model schema:</p> <pre><code> create_table "problems", :force =&gt; true do |t| t.string "user" t.float "latitude" t.float "longitude" t.integer "ptype" t.string "description" t.integer "priority" t.integer "status" t.datetime "created_at", :null =&gt; false t.datetime "updated_at", :null =&gt; false t.string "avatar_file_name" t.string "avatar_content_type" t.integer "avatar_file_size" t.datetime "avatar_updated_at" t.boolean "gmaps" t.string "address" end </code></pre> <p>Here is my create method:</p> <pre><code> def create @problem = Problem.new(params[:problem]) if @problem.save flash[:success] = "Problema guardado" redirect_to @problem else @problem.errors.full_messages flash.now[:error] = 'Informacion incorrecta' render 'new' end end </code></pre> <p>This is the POST body:</p> <pre><code>user=7876483097&amp;latitude=18.378383&amp;longitude=-67.026201&amp;ptype=2&amp;description=Poste+roto </code></pre> <p>And, this is the problem model and validations</p> <pre><code>class Problem &lt; ActiveRecord::Base acts_as_gmappable :latitude =&gt; 'latitude', :longitude =&gt; 'longitude', :process_geocoding =&gt; :geocode?, :address =&gt; "address", :normalized_address =&gt; "address", :msg =&gt; "Lo sentimos, ni Google puede localizar esa direccion" attr_accessible :user, :latitude, :longitude, :ptype, :description, :avatar, :address validates(:user, presence: true) validates(:latitude, presence: true) validates(:longitude, presence: true) validates(:ptype, presence: true) </code></pre> <p>Thanks in advance.</p>
 

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