Moving spaceapi endpoint and OAC door status checking here

app/controllers/door_logs_controller.rb

@@ -26,6 +26,7 @@ class DoorLogsController < ApplicationController
   # GET /door_logs/auto_download
   def auto_download
     @results = DoorLog.download_from_door
+    @status = DoorLog.download_status # for space_api
 
     respond_to do |format|
       format.html # show.html.erb

app/controllers/space_api_controller.rb

@@ -0,0 +1,31 @@
+class SpaceApiController < ApplicationController
+  authorize_resource :except => :index
+  before_filter :authenticate_user!, :except => :index
+
+  def index
+    @json = JSON.parse(Setting.space_api_json_template)
+    door_status = DoorLog.show_status # Expect {:unlocked => boolean, :door_1_locked => boolean, :door_2_locked => boolean}
+
+    @json["open"] = door_status[:unlocked]
+    
+    if( door_status[:unlocked] )
+      @json["status"] = "doors_open=both"
+    elsif( !door_status[:door_1_locked] )
+      @json["status"] = "doors_open=door1"
+    elsif( !door_status[:door_2_locked] )
+      @json["status"] = "doors_open=door2"
+    else
+      @json["status"] = "doors_open=none"
+    end
+
+    respond_to do |format|
+      format.html
+      format.json { 
+        response.headers['Access-Control-Allow-Origin'] = '*'
+        response.headers["Cache-Control"] = "no-cache, no-store, max-age=0, must-revalidate"
+        render :json => @json
+      }
+    end
+  end
+
+end

app/models/door_log.rb

@@ -2,6 +2,42 @@ class DoorLog < ActiveRecord::Base
   attr_accessible :data, :key
   require 'open-uri'
 
+  def self.show_status
+    door_logs = DoorLog.where(key: ["door_1_locked","door_2_locked"]).order('created_at DESC').take(2)
+    door_1_locked = parse_locked_status(door_logs, "door_1_locked")
+    door_2_locked = parse_locked_status(door_logs, "door_2_locked")
+
+    # Doors are unlocked if 1 AND 2 are NOT locked
+    status = {:unlocked => (!door_1_locked && !door_2_locked), :door_1_locked => door_1_locked, :door_2_locked => door_2_locked }
+  end
+
+  def self.parse_locked_status(door_logs, door_key)
+    door_logs_selected = door_logs.select{|s| s.key == door_key }
+    if door_logs_selected.present?
+      door_data = door_logs_selected.first.data
+      if door_data == 0 # 0 = unlocked
+        return false
+      else
+        return true # 1 = locked
+      end
+    end 
+  end
+
+  def self.download_status
+    # load config values
+    door_access_url = APP_CONFIG['door_access_url']
+    door_access_password = APP_CONFIG['door_access_password']
+
+    # query for status
+    source = open("#{door_access_url}?9").read
+    # expect {"armed"=>255, "activated"=>255, "alarm_3"=>1, "alarm_2"=>1, "door_1_locked"=>1, "door_2_locked"=>1}
+    # See https://github.com/heatsynclabs/Open_Access_Control_Ethernet for more info 
+    @status = JSON.parse(source)
+    @status.each do |key,value|
+      DoorLog.create!({:key => key, :data => value})
+    end
+  end
+
   def self.download_from_door
     # load config values
     door_access_url = APP_CONFIG['door_access_url']

app/views/door_logs/auto_download.html.erb

@@ -4,3 +4,8 @@
   <%= !@results.nil? %>
 </p>
 
+<p>
+  <b>Door status:</b>
+  <%= @status %>
+</p>
+

app/views/space_api/index.html.erb

@@ -0,0 +1,11 @@
+<h2>Space Status API
+<%= link_to 'JSON', space_api_path( :format => :json ), :class => 'btn' %> 
+</h2>
+
+<dl>
+<% @json.each do |key,value| %>
+  <dt><%= key.humanize.capitalize %>:</dt>
+  <dd><%= value %></dd>
+<% end %>
+</dl>
+