Post to slack when somebody enters the space

But only the first time they enter that day.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

doors.py

@@ -93,14 +93,17 @@ def blink_leds():
 import time
 import datetime
 from urllib import request
+from slacker import Slacker
 #############################################
 #                                           #
 # Verify a key with openings.workantile.com #
 #                                           #
 #############################################
 CACHED_KEYS = set()
+TODAYS_KEYS = set()
 NEED_FLUSH  = []
 THIS_MONTH  = datetime.date.today().month
+THIS_DAY    = datetime.date.today().day
 
 def ping_server(key):
     ret = False
@@ -116,6 +119,13 @@ def ping_server(key):
     GPIO.output(YELLOW_LED, OFF);
     return ret
 
+def notify_slack(count):
+    slack = Slacker(SLACK_TOKEN)
+    message = f"{count} people have entered today."
+    if count == 1:
+        message = f"{count} person has entered today."
+    slack.chat.post_message(SLACK_CHANNEL, message)
+
 def clear_cache():
     global THIS_MONTH
 
@@ -125,6 +135,16 @@ def clear_cache():
         CACHED_KEYS.clear()
     THIS_MONTH = today.month
 
+def clear_member_count():
+    global THIS_DAY
+
+    today = datetime.date.today()
+    if today.day != THIS_DAY:
+        print("Clearing member count")
+        TODAYS_KEYS.clear()
+    THIS_DAY = today.day
+
+
 def verify_key(key):
     print("Verifying key: %s" % key)
     clear_cache()
@@ -134,6 +154,14 @@ def verify_key(key):
         return True
     return ping_server(key)
 
+def check_today_count(key):
+    clear_member_count()
+    if key not in TODAYS_KEYS:
+        print("New key:", key)
+        TODAYS_KEYS.add(key)
+        notify_slack(len(TODAYS_KEYS))
+
+
 def flush_keys():
     if len(NEED_FLUSH) > 0:
         ping_server(NEED_FLUSH[0])
@@ -167,6 +195,7 @@ def read_rfid():
             unlock_door()
             time.sleep(5) # block for 5 seconds before resetting door
             lock_door()
+            check_today_count(key)
         flush_keys()
     except Exception as e:
         print(e)

simulator/__init__.py

@@ -2,6 +2,7 @@
 import importlib
 import os
 import sys
+import urllib
 #######################################################
 #                                                     #
 # Add simulator/ directory to the module search path. #
@@ -10,6 +11,7 @@ import sys
 sys.path.insert(0, os.path.join(os.getcwd(), "simulator"))
 
 
+import fake_urllib
 import doors
 from doors import *
 

simulator/urllib/request.py

@@ -1,26 +0,0 @@
-print("Using fake urllib module.")
-
-import random
-
-class Request:
-	def __init__(self, url):
-		self.url = url
-
-	def __enter__(self):
-		return self
-
-	def __exit__(self, type, value, tb):
-		pass
-
-	def read(self):
-		val = random.randint(0, 5)
-		if val == 0:
-			return "ERROR".encode()
-		elif val < 4:
-			return "OK".encode()
-		raise Exception("Test Network Exception")
-
-
-def urlopen(url):
-	print("> URLLIB: opening url %s" % url)
-	return Request(url)