metamaps--metamaps/app/controllers/topics_controller.rb

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class TopicsController < ApplicationController
include TopicsHelper
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before_action :require_user, only: [:create, :update, :destroy]
after_action :verify_authorized
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respond_to :html, :js, :json
# GET /topics/autocomplete_topic
def autocomplete_topic
term = params[:term]
if term && !term.empty?
@topics = policy_scope(Topic.where('LOWER("name") like ?', term.downcase + '%')).order('"name"')
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else
@topics = []
end
render json: autocomplete_array_json(@topics)
end
# GET topics/:id
def show
@topic = Topic.find(params[:id])
authorize! @topic
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respond_to do |format|
format.html {
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@alltopics = ([@topic] + policy_scope(@topic.relatives))
@allsynapses = policy_scope(@topic.synapses)
@allcreators = @alltopics.map(&:user).uniq
@allcreators += @allsynapses.map(&:user).uniq
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respond_with(@allsynapses, @alltopics, @allcreators, @topic)
}
format.json { render json: @topic }
end
end
# GET topics/:id/network
def network
@topic = Topic.find(params[:id])
authorize! @topic
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@alltopics = [@topic] + policy_scope(@topic.relatives)
@allsynapses = policy_scope(@topic.synapses)
@allcreators = @alltopics.map(&:user).uniq
@allcreators += @allsynapses.map(&:user).uniq
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@json = Hash.new()
@json['topic'] = @topic
@json['creators'] = @allcreators
@json['relatives'] = @alltopics
@json['synapses'] = @allsynapses
respond_to do |format|
format.json { render json: @json }
end
end
# GET topics/:id/relative_numbers
def relative_numbers
@topic = Topic.find(params[:id])
authorize @topic
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topicsAlreadyHas = params[:network] ? params[:network].split(',').map(&:to_i) : []
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@alltopics = policy_scope(@topic.relatives).to_a.uniq
@alltopics.delete_if! do |topic|
topicsAlreadyHas.index(topic.id) != nil
end
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@json = Hash.new(0)
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@alltopics.each do |t|
@json[t.metacode.id] += 1
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end
respond_to do |format|
format.json { render json: @json }
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end
end
# GET topics/:id/relatives
def relatives
@topic = Topic.find(params[:id])
authorize! @topic
topicsAlreadyHas = params[:network] ? params[:network].split(',').map(&:to_i) : []
alltopics = policy_scope(@topic.relatives).to_a.uniq.delete_if do |topic|
topicsAlreadyHas.index(topic.id.to_s) != nil
end
#find synapses between topics in alltopics array
allsynapses = policy_scope(@topic.synapses)
synapse_ids = (allsynapses.map(&:topic1_id) + allsynapses.map(&:topic2_id)).uniq
allsynapses.delete_if! do |synapse|
synapse_ids.index(synapse.id) != nil
end
creatorsAlreadyHas = params[:creators] ? params[:creators].split(',').map(&:to_i) : []
allcreators = (alltopics.map(&:user) + allsynapses.map(&:user)).uniq.delete_if do |user|
creatorsAlreadyHas.index(user.id) != nil
end
@json = Hash.new()
@json['topics'] = alltopics
@json['synapses'] = allsynapses
@json['creators'] = allcreators
respond_to do |format|
format.json { render json: @json }
end
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end
# POST /topics
# POST /topics.json
def create
@topic = Topic.new(topic_params)
authorize! @topic
respond_to do |format|
if @topic.save
format.json { render json: @topic, status: :created }
else
format.json { render json: @topic.errors, status: :unprocessable_entity }
end
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end
end
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# PUT /topics/1
# PUT /topics/1.json
def update
@topic = Topic.find(params[:id])
authorize! @topic
respond_to do |format|
if @topic.update_attributes(topic_params)
format.json { head :no_content }
else
format.json { render json: @topic.errors, status: :unprocessable_entity }
end
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end
end
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# DELETE topics/:id
def destroy
@topic = Topic.find(params[:id])
authorize! @topic
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@topic.delete
respond_to do |format|
format.json { head :no_content }
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end
end
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private
def topic_params
params.require(:topic).permit(:id, :name, :desc, :link, :permission, :user_id, :metacode_id)
end
end