Manage DB disconnection

This commit is contained in:
Benjamin Renard 2014-08-17 19:44:49 +02:00 committed by root
parent d61c64112a
commit 0bdae5c0f4

View file

@ -25,84 +25,101 @@ class DB(object):
except Exception, e:
log.fatal('Error connecting to database : %s' % e)
return
else:
try:
self.con.ping(True)
except Exception, e:
self.con = 0
return self.connect()
return True
def do_sql(self,sql):
try:
c=self.con.cursor()
c.execute(sql)
self.con.commit()
return c
except Exception,e:
log.error('Error executing request %s : %s' % (sql,e))
return False
if self.connect():
try:
c=self.con.cursor()
c.execute(sql)
self.con.commit()
return c
except Exception,e:
log.error('Error executing request %s : %s' % (sql,e))
return False
def select(self,sql):
ret=self.do_sql(sql)
if ret!=False:
return ret.fetchall()
return ret
if self.connect():
ret=self.do_sql(sql)
if ret!=False:
return ret.fetchall()
return ret
def login(self,email,password):
ret=self.select("SELECT email,name,password FROM users WHERE email='%s' AND password='%s'" % (email,password))
log.debug(ret)
if ret:
if len(ret)==1:
return {
'email': ret[0][0],
'name': ret[0][1]
}
elif len(ret)>=1:
log.warning('Duplicate user %s in database' % email)
elif ret==():
return { 'loginerror': 'Utilisateur inconnu' }
return { 'loginerror': 'Erreur inconnu' }
if self.connect():
ret=self.select("SELECT email,name,password FROM users WHERE email='%s' AND password='%s'" % (email,password))
log.debug(ret)
if ret:
if len(ret)==1:
return {
'email': ret[0][0],
'name': ret[0][1]
}
elif len(ret)>=1:
log.warning('Duplicate user %s in database' % email)
elif ret==():
return { 'loginerror': 'Utilisateur inconnu' }
return { 'loginerror': 'Erreur inconnu' }
def subscribe(self,email,name,password):
ret=self.select("SELECT count(*) as count FROM users WHERE email='%s'" % (email))
log.debug(ret)
if ret[0][0]!=0:
return {'subscribeerror': u'Cette adresse mail est déjà associés a un compte !'}
else:
if self.do_sql("INSERT INTO users (email,name,password) VALUES ('%s','%s','%s')" % (email,name,password)):
return {
'email': email,
'name': name,
'password': password
}
return {'subscribeerror': u'Une erreur est survenue durant votre inscription :('}
if self.connect():
ret=self.select("SELECT count(*) as count FROM users WHERE email='%s'" % (email))
log.debug(ret)
if ret[0][0]!=0:
return {'subscribeerror': u'Cette adresse mail est déjà associés a un compte !'}
else:
if self.do_sql("INSERT INTO users (email,name,password) VALUES ('%s','%s','%s')" % (email,name,password)):
return {
'email': email,
'name': name,
'password': password
}
return {'subscribeerror': u'Une erreur est survenue durant votre inscription :('}
def sync_group(self,email,groups):
db_groups=self.get_group(email)
if db_groups!=False:
db_grouplist=group.GroupList()
db_grouplist.load(db_groups)
grouplist=group.GroupList()
grouplist.load(groups)
synced_grouplist=db_grouplist.sync(grouplist)
if self.set_group(email,synced_grouplist.export()):
log.debug('Groups successfuly synchronized, return result')
return {'groups': synced_grouplist.export()}
else:
return {'syncerror': 'Erreur en modifiant les informations de la base de donnees'}
return {'syncerror': 'Erreur inconnu'}
if self.connect():
db_groups=self.get_group(email)
if db_groups!=False:
db_grouplist=group.GroupList()
db_grouplist.load(db_groups)
grouplist=group.GroupList()
grouplist.load(groups)
synced_grouplist=db_grouplist.sync(grouplist)
if self.set_group(email,synced_grouplist.export()):
log.debug('Groups successfuly synchronized, return result')
return {'groups': synced_grouplist.export()}
else:
return {'syncerror': 'Erreur en modifiant les informations de la base de donnees'}
return {'syncerror': 'Erreur inconnu'}
else:
return {'syncerror': u"Erreur de connexion à la base de données"}
def get_group(self,email):
ret=self.select("SELECT groups FROM groups WHERE email='%s'" % email)
if ret!=False:
if len(ret)==1:
return json.loads(ret[0][0])
if self.connect():
ret=self.select("SELECT groups FROM groups WHERE email='%s'" % email)
if ret!=False:
if len(ret)==1:
return json.loads(ret[0][0])
else:
return {'groups': {}}
else:
return {'groups': {}}
else:
return False
return False
def set_group(self,email,groups):
ret=self.select("SELECT groups FROM groups WHERE email='%s'" % email)
if ret!=False:
json_groups=json.dumps(groups)
if len(ret)==1:
return self.do_sql("UPDATE groups SET groups='%s' WHERE email='%s'" % (json_groups,email))
if self.connect():
ret=self.select("SELECT groups FROM groups WHERE email='%s'" % email)
if ret!=False:
json_groups=json.dumps(groups)
if len(ret)==1:
return self.do_sql("UPDATE groups SET groups='%s' WHERE email='%s'" % (json_groups,email))
else:
return self.do_sql("INSERT INTO groups (email,groups) VALUES ('%s','%s')" % (email,json_groups))
else:
return self.do_sql("INSERT INTO groups (email,groups) VALUES ('%s','%s')" % (email,json_groups))
else:
return False
return False