Add basic support for loading up ethercalc data

Add base code to load up content from ethercalc (to show what's
going on in reservable rooms as well).

config.ini.sample

@@ -4,4 +4,8 @@ pass=PASSWORD
 server=irc.freenode.net
 port=6667
 channels=foo,bar
-db=html/ptg.json
+
+[db]
+filename=html/ptg.json
+ethercalc=https://ethercalc.openstack.org/_/MyDocumentName/cells
+cells=E9 E10

html/ptg.html

@@ -47,6 +47,18 @@
   {{/each}}
   </table>
 </div>
+<div class="panel panel-default">
+  <div class="panel-heading"><h3 class="panel-title">Planned for today in reservable rooms</h3></div>
+  <table class="table">
+  {{#each ethercalc}}
+    <tr>
+      <td>{{this}}</td>
+    </tr>
+  {{else}}
+    <tr><td><small><i>Nothing yet</i></small><td></tr>
+  {{/each}}
+  </table>
+</div>
 
 </script>
 

ptgbot/bot.py

@@ -42,7 +42,7 @@ ANTI_FLOOD_SLEEP = 2
 class PTGBot(irc.bot.SingleServerIRCBot):
     log = logging.getLogger("ptgbot.bot")
 
-    def __init__(self, nickname, password, server, port, channels, dbfile):
+    def __init__(self, nickname, password, server, port, channels, db):
         if port == 6697:
             factory = irc.connection.Factory(wrapper=ssl.wrap_socket)
             irc.bot.SingleServerIRCBot.__init__(self,
@@ -57,7 +57,7 @@ class PTGBot(irc.bot.SingleServerIRCBot):
         self.password = password
         self.channel_list = channels
         self.identify_msg_cap = False
-        self.data = ptgbot.db.PTGDataBase(dbfile)
+        self.data = db
 
     def on_nicknameinuse(self, c, e):
         self.log.debug("Nickname in use, releasing")
@@ -158,12 +158,17 @@ def start(configpath):
     channels = ['#' + name.strip() for name in
                 config.get('ircbot', 'channels').split(',')]
 
+    db = ptgbot.db.PTGDataBase(
+        config.get('db', 'filename'),
+        config.get('db', 'ethercalc'),
+        config.get('db', 'cells'))
+
     bot = PTGBot(config.get('ircbot', 'nick'),
                  config.get('ircbot', 'pass'),
                  config.get('ircbot', 'server'),
                  config.getint('ircbot', 'port'),
                  channels,
-                 config.get('ircbot', 'db'))
+                 db)
     bot.start()
 
 

ptgbot/db.py

@@ -16,17 +16,20 @@
 
 import json
 import os
+import requests
 
 
 class PTGDataBase():
 
-    def __init__(self, filename):
+    def __init__(self, filename, ethercalc_url, ethercalc_cells):
         self.filename = filename
+        self.ethercalc_url = ethercalc_url
+        self.ethercalc_cells = ethercalc_cells.split(' ')
         if os.path.isfile(filename):
             with open(filename, 'r') as fp:
                 self.data = json.load(fp)
         else:
-            self.data = {'now': {}, 'next': {}}
+            self.data = {'ethercalc': [], 'now': {}, 'next': {}}
 
     def add_now(self, room, session):
         self.data['now'][room] = session
@@ -41,14 +44,19 @@ class PTGDataBase():
         self.save()
 
     def from_ethercalc(self):
-        # TODO: Load from ethercalc
-        pass
+        ethercalc = requests.get(self.ethercalc_url).json()
+        self.data['ethercalc'] = []
+        for cell in self.ethercalc_cells:
+            if 'comment' in ethercalc[cell] and 'datavalue' in ethercalc[cell]:
+                msg = '%s: %s' % (ethercalc[cell]['comment'],
+                                  ethercalc[cell]['datavalue'])
+                self.data['ethercalc'].append(msg)
 
     def wipe(self):
         self.data = {'now': {}, 'next': {}}
         self.save()
 
     def save(self):
-        # self.from_ethercalc()
+        self.from_ethercalc()
         with open(self.filename, 'w') as fp:
             json.dump(self.data, fp)