138 lines
4.1 KiB
Ruby
138 lines
4.1 KiB
Ruby
class TopicsController < ApplicationController
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include TopicsHelper
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before_filter :require_user, only: [:create, :update, :destroy]
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respond_to :html, :js, :json
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# GET /topics/autocomplete_topic
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def autocomplete_topic
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@current = current_user
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term = params[:term]
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if term && !term.empty?
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# !connor term here needs to have .downcase
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@topics = Topic.where('LOWER("name") like ?', term.downcase + '%').order('"name"')
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#read this next line as 'delete a topic if its private and you're either
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#1. logged out or 2. logged in but not the topic creator
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@topics.delete_if {|t| t.permission == "private" &&
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(!authenticated? || (authenticated? && @current.id != t.user_id)) }
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else
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@topics = []
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end
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render json: autocomplete_array_json(@topics)
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end
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# GET topics/:id
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def show
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@current = current_user
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@topic = Topic.find(params[:id]).authorize_to_show(@current)
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if not @topic
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redirect_to root_url and return
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end
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respond_to do |format|
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format.html {
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@alltopics = [@topic] + @topic.relatives # should limit to topics visible to user
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@allsynapses = @topic.synapses # should also be limited
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respond_with(@allsynapses, @alltopics, @topic)
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}
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format.json { render json: @topic }
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end
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end
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# GET topics/:id/network
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def network
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@current = current_user
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@topic = Topic.find(params[:id]).authorize_to_show(@current)
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if not @topic
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redirect_to root_url and return
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end
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@alltopics = @topic.relatives # should limit to topics visible to user
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@allsynapses = @topic.synapses # should also be limited
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@json = Hash.new()
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@json['topic'] = @topic
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@json['relatives'] = @alltopics
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@json['synapses'] = @allsynapses
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respond_to do |format|
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format.json { render json: @json }
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end
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end
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# POST /topics
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# POST /topics.json
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def create
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@topic = Topic.new(params[:topic])
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respond_to do |format|
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if @topic.save
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format.json { render json: @topic, status: :created }
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else
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format.json { render json: @topic.errors, status: :unprocessable_entity }
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end
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end
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end
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# PUT /topics/1
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# PUT /topics/1.json
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def update
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@topic = Topic.find(params[:id])
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respond_to do |format|
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if @topic.update_attributes(params[:topic])
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format.json { head :no_content }
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else
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format.json { render json: @topic.errors, status: :unprocessable_entity }
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end
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end
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end
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# DELETE topics/:id
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def destroy
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@current = current_user
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@topic = Topic.find(params[:id]).authorize_to_edit(@current)
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if @topic
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@synapses = @topic.synapses
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@mappings = @topic.mappings
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@synapses.each do |synapse|
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synapse.mappings.each do |m|
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@map = m.map
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@map.touch(:updated_at)
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#push notify to anyone viewing same map in realtime (see mapping.rb to understand the 'message' action)
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m.message 'destroy',@current.id
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m.delete
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end
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synapse.delete
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end
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@mappings.each do |mapping|
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@map = mapping.map
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@map.touch(:updated_at)
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#push notify to anyone viewing a map with this topic in realtime (see mapping.rb to understand the 'message' action)
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mapping.message 'destroy',@current.id
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mapping.delete
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end
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@topic.delete
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end
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respond_to do |format|
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format.js { render :json => "success" }
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end
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end
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end
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