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@zx1986 zx1986/ror.rb
Created Feb 26, 2017

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class ScenariosController < ApplicationController
include ScenarioCopier
before_action :set_scenario, only: [:show, :copy, :edit, :tree, :update, :destroy]
respond_to :java
# GET /scenarios
def index
authorize! :index, Scenario
render json: Scenario.where(:locked => false, :university => current_user.university)
end
# GET /scenarios/1
def show
authorize! :read, @scenario
render json: @scenario
end
# GET /scenarios/1/edit
def edit
end
def tree
authorize! :read, @scenario
render json: @scenario, choices: @scenario.complete_choices, serializer: ScenarioTreeSerializer
end
# POST /scenarios
def create
authorize! :create, Scenario
scenario = Scenario.new(scenario_params)
scenario.university = current_user.university
scenario.archived = false
scenario.locked = false
Scenario.transaction do
begin
save_scenario_with_root_node(scenario)
rescue ActiveRecord::RecordInvalid => invalid
render json: invalid.record.errors, status: :unprocessable_entity and return
end
render json: scenario, status: :created
end
end
# POST /scenarios/1/copy
def copy
authorize! :copy, @scenario
unless scenario_params[:name]
render json: {error: 'Must provide a new scenario name.'}, status: :unprocessable_entity and return
end
scenario_copy = copy_scenario(@scenario, {:copy_name => scenario_params[:name], :description => scenario_params[:description]}); return if performed?
render json: scenario_copy, status: :created
end
# PATCH/PUT /scenarios/1
def update
authorize! :update, @scenario
if @scenario.locked
render json: {error: 'Cannot update a locked scenario.'}, status: :bad_request and return
end
if @scenario.update(scenario_params)
head :no_content
else
render json: @scenario.errors, status: :unprocessable_entity
end
end
private
def set_scenario
@scenario = Scenario.find(params[:id])
end
def scenario_params
params.require(:scenario).permit(:name, :description, :archived, :root_node_id)
end
def save_scenario_with_root_node(scenario)
scenario.save!
root_node = initialize_root_node(scenario)
scenario.update!(root_node_id: root_node.id)
end
def initialize_root_node(scenario)
node = Node.create!(:scenario_id => scenario.id)
node.update!(is_start: false, label: 1)
node
end
end
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