libervia-pubsub: idavoll/pgsql

annotate idavoll/pgsql_backend.py @ 79:c40ccc30dfb7

Added note on max_items attribute.

author	Ralph Meijer <ralphm@ik.nu>
date	Tue, 09 Nov 2004 14:50:18 +0000
parents	b8958967f508
children	ec354aab3949

rev	line source
28 39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	1 from twisted.application import service
39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	2 from twisted.internet import defer
39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	3 from twisted.protocols.jabber import jid
39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	4 from twisted.enterprise import adbapi
39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	5 import backend
39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	6
41 ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	7 class Storage:
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	8 def __init__(self, user, database):
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	9 self.dbpool = adbapi.ConnectionPool('pyPgSQL.PgSQL', user=user,
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	10 database=database)
28 39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	11
51 40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	12 def _check_node_exists(self, cursor, node_id):
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	13 cursor.execute("""SELECT id FROM nodes WHERE node=%s""",
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	14 (node_id.encode('utf8')))
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	15 if not cursor.fetchone():
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	16 raise backend.NodeNotFound
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	17 else:
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	18 return
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	19
41 ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	20 def _get_node_configuration(self, cursor, node_id):
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	21 configuration = {}
28 39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	22 cursor.execute("""SELECT persistent, deliver_payload FROM nodes
39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	23 WHERE node=%s""",
39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	24 (node_id,))
39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	25 try:
41 ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	26 (configuration["persist_items"],
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	27 configuration["deliver_payloads"]) = cursor.fetchone()
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	28 return configuration
28 39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	29 except TypeError:
39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	30 raise backend.NodeNotFound
39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	31
41 ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	32 def get_node_configuration(self, node_id):
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	33 return self.dbpool.runInteraction(self._get_node_configuration, node_id)
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	34
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	35 def _get_affiliation(self, cursor, node_id, entity):
51 40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	36 self._check_node_exists(cursor, node_id)
41 ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	37 cursor.execute("""SELECT affiliation FROM affiliations
28 39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	38 JOIN nodes ON (node_id=nodes.id)
39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	39 JOIN entities ON (entity_id=entities.id)
41 ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	40 WHERE node=%s AND jid=%s""",
59 0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	41 (node_id.encode('utf8'),
0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	42 entity.full().encode('utf8')))
41 ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	43
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	44 try:
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	45 return cursor.fetchone()[0]
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	46 except TypeError:
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	47 return None
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	48
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	49 def get_affiliation(self, node_id, entity):
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	50 return self.dbpool.runInteraction(self._get_affiliation, node_id,
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	51 entity)
28 39d0c6fa027f Initial revision Ralph Meijer <ralphm@ik.nu> parents: diff changeset	52
41 ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	53 def get_subscribers(self, node_id):
59 0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	54 d = self.dbpool.runInteraction(self._get_subscribers, node_id)
41 ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	55 d.addCallback(self._convert_to_jids)
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	56 return d
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	57
59 0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	58 def _get_subscribers(self, cursor,node_id):
0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	59 self._check_node_exists(cursor, node_id)
0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	60 cursor.execute("""SELECT jid, resource FROM subscriptions
0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	61 JOIN nodes ON (node_id=nodes.id)
0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	62 JOIN entities ON (entity_id=entities.id)
0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	63 WHERE node=%s AND
0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	64 subscription='subscribed'""",
0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	65 (node_id.encode('utf8'),))
0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	66 return cursor.fetchall()
0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	67
41 ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	68 def _convert_to_jids(self, list):
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	69 return [jid.JID("%s/%s" % (l[0], l[1])).full() for l in list]
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	70
43 9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	71 def store_items(self, node_id, items, publisher):
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	72 return self.dbpool.runInteraction(self._store_items, node_id, items,
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	73 publisher)
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	74
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	75 def _store_items(self, cursor, node_id, items, publisher):
51 40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	76 self._check_node_exists(cursor, node_id)
43 9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	77 for item in items:
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	78 self._store_item(cursor, node_id, item, publisher)
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	79
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	80 def _store_item(self, cursor, node_id, item, publisher):
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	81 data = item.toXml()
77 b8958967f508 Introduced date field in items table. Ralph Meijer <ralphm@ik.nu> parents: 71 diff changeset	82 cursor.execute("""UPDATE items SET date=now(), publisher=%s, data=%s
43 9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	83 FROM nodes
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	84 WHERE nodes.id = items.node_id AND
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	85 nodes.node = %s and items.item=%s""",
59 0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	86 (publisher.full().encode('utf8'),
43 9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	87 data.encode('utf8'),
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	88 node_id.encode('utf8'),
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	89 item["id"].encode('utf8')))
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	90 if cursor.rowcount == 1:
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	91 return
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	92
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	93 cursor.execute("""INSERT INTO items (node_id, item, publisher, data)
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	94 SELECT id, %s, %s, %s FROM nodes WHERE node=%s""",
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	95 (item["id"].encode('utf8'),
59 0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	96 publisher.full().encode('utf8'),
43 9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	97 data.encode('utf8'),
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	98 node_id.encode('utf8')))
9685b7e291ef Moved common stuff out of pgsql_backend.py to backend.py. Ralph Meijer <ralphm@ik.nu> parents: 41 diff changeset	99
51 40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	100 def add_subscription(self, node_id, subscriber, state):
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	101 return self.dbpool.runInteraction(self._add_subscription, node_id,
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	102 subscriber, state)
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	103
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	104 def _add_subscription(self, cursor, node_id, subscriber, state):
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	105 self._check_node_exists(cursor, node_id)
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	106 userhost = subscriber.userhost()
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	107 resource = subscriber.resource or ''
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	108
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	109 try:
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	110 cursor.execute("""INSERT INTO entities (jid) VALUES (%s)""",
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	111 (userhost.encode('utf8')))
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	112 except:
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	113 pass
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	114
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	115 try:
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	116 cursor.execute("""INSERT INTO subscriptions
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	117 (node_id, entity_id, resource, subscription)
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	118 SELECT n.id, e.id, %s, %s FROM
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	119 (SELECT id FROM nodes WHERE node=%s) AS n
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	120 CROSS JOIN
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	121 (SELECT id FROM entities WHERE jid=%s) AS e""",
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	122 (resource.encode('utf8'),
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	123 state.encode('utf8'),
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	124 node_id.encode('utf8'),
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	125 userhost.encode('utf8')))
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	126 except:
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	127 cursor.execute("""SELECT subscription FROM subscriptions
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	128 JOIN nodes ON (nodes.id=subscriptions.node_id)
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	129 JOIN entities ON
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	130 (entities.id=subscriptions.entity_id)
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	131 WHERE node=%s AND jid=%s AND resource=%s""",
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	132 (node_id.encode('utf8'),
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	133 userhost.encode('utf8'),
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	134 resource.encode('utf8')))
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	135 state = cursor.fetchone()[0]
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	136
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	137 return {'node': node_id,
59 0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	138 'jid': subscriber,
51 40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	139 'subscription': state}
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	140
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	141 def remove_subscription(self, node_id, subscriber):
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	142 return self.dbpool.runInteraction(self._remove_subscription, node_id,
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	143 subscriber)
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	144
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	145 def _remove_subscription(self, cursor, node_id, subscriber):
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	146 self._check_node_exists(cursor, node_id)
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	147 userhost = subscriber.userhost()
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	148 resource = subscriber.resource or ''
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	149
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	150 cursor.execute("""DELETE FROM subscriptions WHERE
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	151 node_id=(SELECT id FROM nodes WHERE node=%s) AND
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	152 entity_id=(SELECT id FROM entities WHERE jid=%s)
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	153 AND resource=%s""",
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	154 (node_id.encode('utf8'),
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	155 userhost.encode('utf8'),
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	156 resource.encode('utf8')))
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	157 if cursor.rowcount != 1:
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	158 raise backend.NotSubscribed
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	159
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	160 return None
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	161
55 7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	162 def create_node(self, node_id, owner):
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	163 return self.dbpool.runInteraction(self._create_node, node_id,
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	164 owner)
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	165
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	166 def _create_node(self, cursor, node_id, owner):
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	167 try:
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	168 cursor.execute("""INSERT INTO nodes (node) VALUES (%s)""",
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	169 (node_id.encode('utf8')))
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	170 except:
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	171 raise backend.NodeExists
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	172
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	173 cursor.execute("""SELECT 1 from entities where jid=%s""",
59 0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	174 (owner.full().encode('utf8')))
55 7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	175
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	176 if not cursor.fetchone():
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	177 cursor.execute("""INSERT INTO entities (jid) VALUES (%s)""",
59 0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	178 (owner.full().encode('utf8')))
55 7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	179
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	180 try:
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	181 cursor.execute("""INSERT INTO affiliations
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	182 (node_id, entity_id, affiliation)
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	183 SELECT n.id, e.id, 'owner' FROM
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	184 (SELECT id FROM nodes WHERE node=%s) AS n
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	185 CROSS JOIN
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	186 (SELECT id FROM entities WHERE jid=%s) AS e""",
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	187 (node_id.encode('utf8'),
59 0fa161c00ed9 Use jid.JIDs everywhere in the backend. Ralph Meijer <ralphm@ik.nu> parents: 55 diff changeset	188 owner.full().encode('utf8')))
55 7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	189 except Exception, e:
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	190 print e
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	191
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	192 return None
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	193
62 8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	194 def get_affiliations(self, entity):
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	195 return self.dbpool.runQuery("""SELECT node, affiliation FROM entities
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	196 JOIN affiliations ON
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	197 (affiliations.entity_id=entities.id)
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	198 JOIN nodes ON
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	199 (nodes.id=affiliations.node_id)
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	200 WHERE jid=%s""",
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	201 (entity.full().encode('utf8'),))
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	202
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	203 def get_subscriptions(self, entity):
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	204 d = self.dbpool.runQuery("""SELECT node, jid, resource, subscription
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	205 FROM entities JOIN subscriptions ON
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	206 (subscriptions.entity_id=entities.id)
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	207 JOIN nodes ON
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	208 (nodes.id=subscriptions.node_id)
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	209 WHERE jid=%s""",
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	210 (entity.full().encode('utf8'),))
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	211 d.addCallback(self._convert_subscription_jids)
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	212 return d
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	213
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	214 def _convert_subscription_jids(self, subscriptions):
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	215 return [(node, jid.JID('%s/%s' % (subscriber, resource)), subscription)
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	216 for node, subscriber, resource, subscription in subscriptions]
55 7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	217
66 13ced084aa69 Add get_node_type() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 62 diff changeset	218 def get_node_type(self, node_id):
13ced084aa69 Add get_node_type() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 62 diff changeset	219 return self.dbpool.runInteraction(self._get_node_type, node_id)
13ced084aa69 Add get_node_type() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 62 diff changeset	220
13ced084aa69 Add get_node_type() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 62 diff changeset	221 def _get_node_type(self, cursor, node_id):
13ced084aa69 Add get_node_type() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 62 diff changeset	222 self._check_node_exists(cursor, node_id)
13ced084aa69 Add get_node_type() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 62 diff changeset	223 return 'leaf'
13ced084aa69 Add get_node_type() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 62 diff changeset	224
71 a63bb34931ec Added get_nodes() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 66 diff changeset	225 def get_nodes(self):
a63bb34931ec Added get_nodes() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 66 diff changeset	226 d = self.dbpool.runQuery("""SELECT node from nodes""")
a63bb34931ec Added get_nodes() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 66 diff changeset	227 d.addCallback(lambda results: [r[0] for r in results])
a63bb34931ec Added get_nodes() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 66 diff changeset	228 return d
a63bb34931ec Added get_nodes() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 66 diff changeset	229
41 ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	230 class BackendService(backend.BackendService):
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	231 """ PostgreSQL backend Service for a JEP-0060 pubsub service """
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	232
55 7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	233 class NodeCreationService(backend.NodeCreationService):
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	234 pass
7c4dfef5d964 Implement create_node() in Storage. Ralph Meijer <ralphm@ik.nu> parents: 51 diff changeset	235
45 4447b3c5b857 Redefine backend classes as subclass of the implementations in backend.py. Ralph Meijer <ralphm@ik.nu> parents: 43 diff changeset	236 class PublishService(backend.PublishService):
4447b3c5b857 Redefine backend classes as subclass of the implementations in backend.py. Ralph Meijer <ralphm@ik.nu> parents: 43 diff changeset	237 pass
41 ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	238
ea3d3544a52e Rewrite using separated backend interfaces. The backend also uses a separate Ralph Meijer <ralphm@ik.nu> parents: 28 diff changeset	239 class NotificationService(backend.NotificationService):
45 4447b3c5b857 Redefine backend classes as subclass of the implementations in backend.py. Ralph Meijer <ralphm@ik.nu> parents: 43 diff changeset	240 pass
51 40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	241
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	242 class SubscriptionService(backend.SubscriptionService):
40ac06941edc Added node existance checks. Ralph Meijer <ralphm@ik.nu> parents: 45 diff changeset	243 pass
62 8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	244
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	245 class AffiliationsService(backend.AffiliationsService):
8cdbc27c467a Add get_affiliations() and get_subscriptions() to Storage. Ralph Meijer <ralphm@ik.nu> parents: 59 diff changeset	246 pass

Mercurial > libervia-pubsub

annotate idavoll/pgsql_backend.py @ 79:c40ccc30dfb7