1 files changed, 78 insertions, 0 deletions
diff --git a/src/ppm/provider.py b/src/ppm/provider.py
new file mode 100644
index 0000000..484270b
--- /dev/null
+++ b/src/ppm/provider.py
@@ -0,0 +1,78 @@
+# vim: set fileencoding=utf-8 :
+#
+# (C) 2010 Guido Guenther <agx@sigxcpu.org>
+#    This program is free software; you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation; either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program; if not, write to the Free Software
+#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+import logging
+
+class ProviderError(Exception):
+    def __init__(self, msg):
+        self.msg = msg
+
+
+class Provider(object):
+    """Keeps the information on howto top up the ballance and how to query the
+    current ballance"""
+
+    def __init__(self, country, name):
+        self.country = country
+        self.name = name
+        self.fetch_balance_cmds = {}
+        self.top_up_cmds = {}
+        self.balance = None
+        logging.debug("New provider: %s, %s", country, name)
+
+    def add_fetch_balance_cmd(self, cmd):
+        self.fetch_balance_cmds.update(cmd)
+        logging.debug("Adding balance check %s" % cmd)
+
+    def add_top_up_cmd(self, cmd):
+        self.top_up_cmds.update(cmd)
+        logging.debug("Adding top up %s" % cmd)
+
+    def has_fetch_balance_cmd(self):
+        # Only USSD for now
+        if self.fetch_balance_cmds.has_key('ussd'):
+            return True
+        else:
+            return False
+
+    def has_top_up_cmd(self):
+        # Only USSD for now
+        if self.top_up_cmds.has_key('ussd'):
+            return True
+        else:
+            return False
+
+    def fetch_balance(self, mm, reply_func=None, error_func=None):
+        if self.has_fetch_balance_cmd():
+            mm.ussd_initiate (self.fetch_balance_cmds['ussd'],
+                              reply_func=reply_func,
+                              error_func=error_func)
+            return True
+        else:
+            return False
+
+    def top_up(self, mm, code, reply_func=None, error_func=None):
+        if self.has_top_up_cmd():
+            cmd = self.top_up_cmds['ussd'][0].replace(
+                                                  self.top_up_cmds['ussd'][1],
+                                                  code)
+            logging.debug("Top up cmd: %s", cmd)
+            mm.ussd_initiate (cmd, reply_func=reply_func, error_func=error_func)
+            return True
+        else:
+            return False