Specify and load event schedule

In order to be able to specify topic/room assignments, we need
a map of the available time slots. Specify that at the config
level.

Change-Id: I58e3d13e169a66c10e74ec9faa97243a40f14ee0

config.json.sample

@@ -4,5 +4,27 @@
   "irc_server": "irc.freenode.net",
   "irc_port": 6667,
   "irc_channel": "#CHANNEL",
-  "db_filename": "html/ptg.json"
+  "db_filename": "html/ptg.json",
+  "slots": {
+    "Monday": [
+      {
+        "name": "MonAM",
+        "desc": "09:00-12:00"
+      },
+      {
+        "name": "MonPM",
+        "desc": "14:00-17:00"
+      }
+    ],
+    "Tuesday": [
+      {
+        "name": "TueAM",
+        "desc": "09:00-12:00"
+      },
+      {
+        "name": "TuePM",
+        "desc": "14:00-17:00"
+      }
+    ]
+  }
 }

ptgbot/bot.py

@@ -16,6 +16,7 @@
 # limitations under the License.
 
 import argparse
+import collections
 import daemon
 import irc.bot
 import json
@@ -171,7 +172,7 @@ class PTGBot(irc.bot.SingleServerIRCBot):
 
 def start(configpath):
     with open(configpath, 'r') as fp:
-        config = json.load(fp)
+        config = json.load(fp, object_pairs_hook=collections.OrderedDict)
 
     if 'log_config' in config:
         log_config = config['log_config']
@@ -182,7 +183,7 @@ def start(configpath):
     else:
         logging.basicConfig(level=logging.DEBUG)
 
-    db = ptgbot.db.PTGDataBase(config['db_filename'])
+    db = ptgbot.db.PTGDataBase(config['db_filename'], config['slots'])
 
     bot = PTGBot(config['irc_nick'],
                  config.get('irc_pass', ''),

ptgbot/db.py

@@ -21,16 +21,17 @@ import datetime
 
 class PTGDataBase():
 
-    BASE = {'tracks': [], 'now': {}, 'next': {}, 'colors': {},
+    BASE = {'tracks': [], 'slots': {}, 'now': {}, 'next': {}, 'colors': {},
             'location': {}}
 
-    def __init__(self, filename):
+    def __init__(self, filename, slots):
         self.filename = filename
         if os.path.isfile(filename):
             with open(filename, 'r') as fp:
                 self.data = json.load(fp)
         else:
             self.data = self.BASE
+        self.data['slots'] = slots
         self.save()
 
     def add_now(self, track, session):