thinking about new karma commands

modules/Karma.py

@@ -36,9 +36,13 @@ class Karma(Module):
         pattern = "(?:(\S+)|\((.+)\))"
         karmapattern = pattern + '(\+\+|--|\+-|-\+)' + '(\s+|$)'
         querypattern = '^rank\s+(.*)'
+        reportpattern = '^karma\s+report\s+(highest|lowest)'
+        statpattern = '^karma\s+stat\s+(.*)'
 
         self.karmare = re.compile(karmapattern)
         self.queryre = re.compile(querypattern)
+        self.reportre = re.compile(reportpattern)
+        self.statre = re.compile(statpattern)
 
     def db_init(self):
         # need to init the database if karma tables don't already exist
@@ -67,6 +71,23 @@ class Karma(Module):
                 sql = 'INSERT INTO drbotzo_modules VALUES (?,?)'
                 conn.execute(sql, (self.__class__.__name__, 1))
                 conn.commit()
+                version = 1
+            except sqlite3.Error as e:
+                conn.rollback()
+                print("sqlite error: " + str(e))
+                raise
+        if (version < 2):
+            conn = self.get_db()
+            try:
+                conn.execute('''
+                    CREATE VIEW karma_users AS
+                    SELECT who, COUNT(NULLIF(delta, -1)) AS pos,
+                        COUNT(NULLIF(delta, 1)) AS neg
+                    FROM karma_log GROUP BY who''')
+                sql = 'UPDATE drbotzo_modules SET version = ? WHERE module = ?'
+                conn.execute(sql, (2, self.__class__.__name__))
+                conn.commit()
+                version = 2
             except sqlite3.Error as e:
                 conn.rollback()
                 print("sqlite error: " + str(e))