Clarify a few comments and things

gittip/networks.py

@@ -78,7 +78,7 @@ def upsert(network, user_id, username, user_info, claim=False):
     primary key in the underlying table in our own db.
 
     If claim is True, the return value is the participant_id. Otherwise it is a
-    tuple: (participant_id, claimed [boolean], balance).
+    tuple: (participant_id [unicode], is_claimed [boolean], balance [Decimal]).
 
     """
     typecheck( network, str
@@ -112,7 +112,8 @@ def upsert(network, user_id, username, user_info, claim=False):
 
     """
     for k, v in user_info.items():
-        # I believe hstore can take any type of value, but psycopg2 can't.
+        # Cast everything to unicode. I believe hstore can take any type of 
+        # value, but psycopg2 can't. 
         # https://postgres.heroku.com/blog/past/2012/3/14/introducing_keyvalue_data_storage_in_heroku_postgres/
         # http://initd.org/psycopg/docs/extras.html#hstore-data-type
         user_info[k] = unicode(v)

sql/schema.sql

@@ -31,6 +31,7 @@ CREATE TABLE social_network_users
 , network               text            NOT NULL
 , user_id               text            NOT NULL
 , user_info             hstore
+, opted_out             boolean         DEFAULT FALSE
 , participant_id        text            DEFAULT NULL REFERENCES participants ON DELETE RESTRICT
 , UNIQUE(network, user_id)
  );

www/github/%login/index.html

@@ -34,8 +34,8 @@
 usertype = userinfo.get("type", "unknown type of account").lower()
 if usertype == "user":
     can_tip = True
-    participant_id, claimed_time, balance = github.upsert(userinfo)
-    if claimed_time:
+    participant_id, is_claimed, balance = github.upsert(userinfo)
+    if is_claimed:
         request.redirect('/%s/' % participant_id)
 
     if not user.ANON: