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

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# frozen_string_literal: true
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class TopicsController < ApplicationController
include TopicsHelper
before_action :require_user, only: [:create, :update, :destroy]
after_action :verify_authorized, except: :autocomplete_topic
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"')
@mapTopics = @topics.select { |t| t.metacode.name == 'Metamap' }
# prioritize topics which point to maps, over maps
@exclude = @mapTopics.length > 0 ? @mapTopics.map(&:name) : ['']
@maps = policy_scope(Map).where('LOWER("name") like ? AND name NOT IN (?)', term.downcase + '%', @exclude).order('"name"')
else
@topics = []
@maps = []
end
@all= @topics.to_a.concat(@maps.to_a).sort { |a, b| a.name <=> b.name }
render json: autocomplete_array_json(@all).to_json
end
# GET topics/:id
def show
@topic = Topic.find(params[:id])
authorize @topic
respond_to do |format|
format.html do
@alltopics = [@topic].concat(policy_scope(Topic.relatives(@topic.id, current_user)).to_a)
@allsynapses = policy_scope(Synapse.for_topic(@topic.id)).to_a
@allcreators = @alltopics.map(&:user).uniq
@allcreators += @allsynapses.map(&:user).uniq
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respond_with(@allsynapses, @alltopics, @allcreators, @topic)
end
format.json { render json: @topic.as_json(user: current_user).to_json }
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end
end
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# GET topics/:id/network
def network
@topic = Topic.find(params[:id])
authorize @topic
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@alltopics = [@topic].concat(policy_scope(Topic.relatives(@topic.id, current_user)).to_a)
@allsynapses = policy_scope(Synapse.for_topic(@topic.id))
@allcreators = @alltopics.map(&:user).uniq
@allcreators += @allsynapses.map(&:user).uniq
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@json = {}
@json['topic'] = @topic.as_json(user: current_user)
@json['creators'] = @allcreators
@json['relatives'] = @alltopics.as_json(user: current_user)
@json['synapses'] = @allsynapses
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respond_to do |format|
format.json { render json: @json }
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end
end
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# 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(@topic.id, current_user)).to_a
alltopics.delete_if { |topic| topic.metacode_id != params[:metacode].to_i } if params[:metacode].present?
alltopics.delete_if do |topic|
!topicsAlreadyHas.index(topic.id).nil?
end
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@json = Hash.new(0)
alltopics.each do |t|
@json[t.metacode.id] += 1
end
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respond_to do |format|
format.json { render json: @json }
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end
end
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# GET topics/:id/relatives
def relatives
@topic = Topic.find(params[:id])
authorize @topic
topicsAlreadyHas = params[:network] ? params[:network].split(',').map(&:to_i) : []
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alltopics = policy_scope(Topic.relatives(@topic.id, current_user)).to_a
alltopics.delete_if { |topic| topic.metacode_id != params[:metacode].to_i } if params[:metacode].present?
alltopics.delete_if do |topic|
!topicsAlreadyHas.index(topic.id.to_s).nil?
end
# find synapses between topics in alltopics array
allsynapses = policy_scope(Synapse.for_topic(@topic.id)).to_a
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 = {}
@json['topics'] = alltopics.as_json(user: current_user)
@json['synapses'] = allsynapses
@json['creators'] = allcreators
respond_to do |format|
format.json { render json: @json }
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end
end
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# POST /topics
# POST /topics.json
def create
@topic = Topic.new(topic_params)
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authorize @topic
respond_to do |format|
if @topic.save
format.json { render json: @topic.as_json(user: current_user), 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])
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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])
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authorize @topic
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@topic.destroy
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, :defer_to_map_id)
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end
end