Open-Source-Access-Control-.../app/models/door_log.rb

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class DoorLog < ActiveRecord::Base
attr_accessible :data, :key
require 'open-uri'
def self.execute_command(command)
output = ""
# load config values
door_access_url = APP_CONFIG['door_access_url']
door_access_password = APP_CONFIG['door_access_password']
#login
source = open("#{door_access_url}?e=#{door_access_password}").read
results = source.scan(/ok/)
#only continue if we've got an OK login
if(results.size > 0) then
# Parse the command and result
parsing = parse_command(command)
output += parsing[:output]
url_param = parsing[:url_param]
# Execute the command
open("#{door_access_url}?#{url_param}")
self.download_status # Update the status cache
else
output += 'Failed to connect to door system.'
end
#logout
open("#{door_access_url}?e=0000")
return output
end
def self.parse_command(command)
output = ""
url_param = ""
# @commands = [
# ["Unlock all doors","unlock"],
# ["Unlock Front door","unlock-front"],
# ["Unlock Rear door","unlock-rear"],
# ["Lock all doors","lock"],
# ["Lock Front door","lock-front"],
# ["Lock Rear door","lock-rear"],
# ["Open Front door","open-front"],
# ["Open Rear door","open-rear"],
# ["Arm alarm","arm"],
# ["Disarm alarm","disarm"]
# ]
case command
when "open-front"
output += "Front door opened."
url_param = "o1"
when "open-rear"
output += "Rear door opened."
url_param = "o2"
when "u", "unlock"
output += "Doors unlocked, remember to re-lock them."
url_param = "u"
when "u1", "unlock-front"
output += "Front Door unlocked, remember to re-lock it."
url_param = "u=1"
when "u2", "unlock-rear"
output += "Rear Door unlocked, remember to re-lock it."
url_param = "u=2"
when "lock", "l"
output += "Doors locked."
url_param = "l"
when "lock-front", "l1"
output += "Front Door locked."
url_param = "l=1"
when "lock-rear", "l2"
output += "Rear Door locked."
url_param = "l=2"
when "arm"
output += "Armed."
url_param = "2"
when "disarm"
output += "Disarmed."
url_param = "1"
else
output += "Fail. Don't be a naughty user!"
url_param = "9" # Using 9 because it's just status, no harm done
end
return {:output => output, :url_param => url_param}
end
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
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def self.download_from_door
# load config values
door_access_url = APP_CONFIG['door_access_url']
door_access_password = APP_CONFIG['door_access_password']
# connect to door access system
source = open("#{door_access_url}?e=#{door_access_password}").read
results = source.scan(/ok/)
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if(results.size > 0) then
@end_results = Array.new
#only continue if we've got an OK login
source = open("#{door_access_url}?z").read
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results = source.scan(/(.*): (.*)\r\n/)
results.each do |r|
if(r[0] != "\000") then
DoorLog.create!({:key => r[0], :data => r[1]})
end
end
#clear log
open("#{door_access_url}?y")
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#logout
open("#{door_access_url}?e=0000")
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if(results.size > 0) then
#only return true if we got some kind of decent response
return results
else
# We didn't get a decent response.
return false
end
else
# We didn't get an OK login.
return false
end
end
def self.key_legend
{'G' => "Granted", "R" => "Read", "D" => "Denied",
'g' => "granted", "r" => "read", "d" => "denied"}
end
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end