html - JSON::ParserError in CoursesController#index -


i beginner of ruby on rails , web development. taking online course , keep failing lecture example.

my problem courses_controller, index action.

controller: my_first_app/controllers/courses_controller.rb

class coursescontroller < applicationcontroller   def index     @search_term = 'jhu'     @courses = coursera.for(@search_term)   end end

model: my_first_app/models/coursera.rb

class coursera   include httparty    #default_options.update(verify: false) # turn off ssl verification   base_uri 'https://api.coursera.org/api/catalog.v1/courses'   default_params fields: "smallicon,shortdescription", q: "search"   format :json    def self.for term     get("", query: { query: term})["elements"]   end end

view: my_first_app/views/index.html.erb

<h1>search - <%= @search_term %> </h1> <table border = "1">     <tr>         <th>image</th>         <th>name</th>         <th>description</th>     </tr>  <%= @courses.each |course| %>     <tr>         <td><%= image_tag(course["smallicon"]) %></td>         <td><%= course["name"] %></td>         <td><%= course["shortdescription"] %> </td>     </tr> <% end %>

routes: my_first_app/config/routes.rb

rails.application.routes.draw   'courses/index'   'greeter/hello'   'greeter/goodbye' end

gemfile:

source 'https://rubygems.org' gem 'rails', '4.2.3' gem 'sqlite3' gem 'sass-rails', '~> 5.0' gem 'uglifier', '>= 1.3.0' gem 'coffee-rails', '~> 4.1.0' gem 'jquery-rails' gem 'turbolinks' gem 'jbuilder', '~> 2.0' gem 'sdoc', '~> 0.4.0', group: :doc  group :development, :test gem 'byebug' gem 'web-console', '~> 2.0' gem 'spring' gem 'httparty', '0.13.5' end

i added last gem gemfile , run bundle, controlled +c stopped , restarted server , got error message:

json::parsererror in coursescontroller#index

error message screenshot

i think saying parse html instead of json, don't know how fix it. appreciated. original repository: https://github.com/jhu-ep-coursera/fullstack-course1-module3

according api documentation coursera, looks base_uri might need be:

base_uri 'https://api.coursera.org/api/courses.v1'

and fields in default_params should (maybe) be:

default_params fields: "photourl,description", q: "search"

(changing other occurrences of 'smallicon' , 'shortdescription' 'photourl' , 'description' in app well, since don't see fields in api docs).

once changes made should end going urls https://api.coursera.org/api/courses.v1?q=search&query=ruby&fields=photourl,description returning valid json. current base_uri using sending html error page telling action not found. since that's html page, json can't parse it.

if @ date on last commit in github repository linked, last commit in november 2015, 2 years ago. super out of date, api has changed fair bit since then.


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