annotations_controller.rb

class AnnotationsController < ApplicationController

  def index
    annotations = Annotation.all
    render json: annotations
  end

  def show
    annotation = Annotation.find(params[:id])
    render json: annotation
  end

  def new
    annotation = Annotation.new
    render json: annotation
  end

  def edit
    annotation = Annotation.find(params[:id])
  end

  def create
    annotation = Annotation.create(note_params)

    if annotation.save
      render json: annotation, status: :created
    else
      render json: annotation.errors, status: :unprocessable_entity
    end
  end
  
  def update
    annotation = Annotation.find(params[:id])

    if annotation.update_attributes(params)
      head :no_content
    else
      render json: annotation.errors, status: :unprocessable_entity
    end
  end

  def destroy
    annotation = Annotation.find(params[:id])
    annotation.destroy

    head :no_content
  end

  private

  def note_params
    params.permit!
  end

end

curl calls

WORKS:

curl -i -X 'POST' http://localhost:3000/annotations -d 'quote=me&text=too'

DOES NOT WORK:

curl -i -X 'POST' -H "ContentType: application/json" http://localhost:3000/annotations -d '{"quote":"test3","text":"test4"}'

gistfile1.txt

Started POST "/annotations" for 108.44.145.42 at 2013-12-12 17:28:58 -0500
Processing by AnnotationsController#create as */*
  Parameters: {"quote"=>"hello", "text"=>"world"}
Completed 201 Created in 3ms (Views: 0.4ms | ActiveRecord: 0.0ms)


Started POST "/annotations" for 8.18.55.120 at 2013-12-12 17:31:24 -0500
Processing by AnnotationsController#create as */*
  Parameters: {"{\"quote\":\"test3\",\"text\":\"test4\"}"=>nil}
Completed 201 Created in 3ms (Views: 0.4ms | ActiveRecord: 0.0ms)