transpub/roster.py

91 lines
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Python
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2013-05-31 18:53:21 +00:00
import logging
class Number():
def __init__(self, number, db):
self.number = number
self.db = db
cur = self.db.cursor()
cur.execute("SELECT id FROM numbers WHERE number = %s", self.number)
if (cur.rowcount):
self.id = cur.fetchone()[0]
logging.info("sql: found existing number %s (id=%s)", self.number, self.id)
else:
cur.execute("INSERT INTO numbers (number) VALUES (%s)", (self.number))
self.db.commit()
self.id = cur.lastrowid
logging.info("sql: added new number %s (id=%s)", self.number, self.id)
def __str__(self):
return "%s (id=%s)" % (self.number, self.id)
class Buddy():
def __init__(self, owner, number, nick, id, db):
self.owner = owner
self.number = number
self.nick = nick
self.id = id
self.db = db
def update(self, nick):
self.nick = nick
cur = self.db.cursor()
cur.execute("UPDATE roster SET nick = %s WHERE owner_id = %s AND buddy_id = %s", (self.nick, self.owner.id, self.number.id))
self.db.commit()
def delete(self):
cur = self.db.cursor()
cur.execute("DELETE FROM roster WHERE owner_id = %s AND buddy_id = %s", (self.owner.id, self.number.id))
self.db.commit()
self.id = None
@staticmethod
def create(owner, number, nick, db):
cur = db.cursor()
cur.execute("INSERT INTO roster (owner_id, buddy_id, nick) VALUES (%s, %s, %s)", (owner.id, number.id, nick))
db.commit()
return Buddy(owner, number, nick, cur.lastrowid, db)
def __str__(self):
return "%s (nick=%s, id=%s)" % (self.number, self.nick, self.id)
class Roster():
def __init__(self, owner, db):
self.db = db
self.owner = Number(owner, db)
self.buddies = { }
def load(self):
cur = self.db.cursor()
cur.execute("""SELECT
r.id AS id,
nb.number AS number,
r.nick AS nick
FROM roster AS r
LEFT JOIN numbers AS nb
ON r.buddy_id = nb.id
WHERE
r.owner_id = %s""", self.owner.id)
for i in range(cur.rowcount):
id, number, nick, = cur.fetchone()
buddy = Buddy(self.owner, Number(number, self.db), nick.decode('latin1'), id, self.db)
self.buddies[number] = buddy
logging.info("roster load: %s", buddy)
def add(self, number, nick):
buddy = Buddy.create(self.owner, Number(number, self.db), nick, self.db)
self.buddies[number] = buddy
logging.info("roster add: %s <- %s", self.owner, buddy)
def remove(self, number):
logging.info("roster delete: %s", number)
self.buddies[number].delete()
del self.buddies[number]