Create a new small table in DB to remember rooms last_history_line at next

launch. This is necessary because with a big history get_last_date_that_has_logs
can take about 5 seconds on first launch.
Created new gajim subversion.

configure.ac

@@ -1,5 +1,5 @@
 AC_INIT([Gajim - A Jabber Instant Messager],
-		[0.11.4.2-svn],[http://trac.gajim.org/],[gajim])
+		[0.11.4.3-svn],[http://trac.gajim.org/],[gajim])
 AC_PREREQ([2.59])
 AM_INIT_AUTOMAKE([1.8])
 AC_CONFIG_HEADER(config.h)

src/common/check_paths.py

@@ -86,6 +86,10 @@ def create_log_db():
 			ver TEXT,
 			ext TEXT,
 			data BLOB);
+
+		CREATE TABLE IF NOT EXISTS rooms_last_message_time(
+			jid_id INTEGER PRIMARY KEY UNIQUE,
+			time INTEGER
 		'''
 		)
 

src/common/connection.py

@@ -1443,13 +1443,19 @@ class Connection(ConnectionHandlers):
 		# last date/time in history to avoid duplicate
 		if not self.last_history_line.has_key(room_jid):
 			# Not in memory, get it from DB
-			last_log = None
 			no_log_for = gajim.config.get_per('accounts', self.name, 'no_log_for')\
 				.split()
-			if self.name not in no_log_for and room_jid not in no_log_for:
+			last_log = None
 			# Do not check if we are not logging for this room
-				last_log = gajim.logger.get_last_date_that_has_logs(room_jid,
-					is_room = True)
+			if self.name not in no_log_for and room_jid not in no_log_for:
+				# Check time first in the FAST table
+				last_log = gajim.logger.get_room_last_message_time(room_jid)
+				if last_log is None:
+					# Not in special table, get it from messages DB
+					last_log = gajim.logger.get_last_date_that_has_logs(room_jid,
+						is_room = True)
+				# Create self.last_history_line[room_jid] even if not logging, 
+				# could be used in connection_handlers
 			if last_log is None:
 				last_log = 0
 			self.last_history_line[room_jid]= last_log
@@ -1497,6 +1503,12 @@ class Connection(ConnectionHandlers):
 		ptype = None
 		if show == 'offline':
 			ptype = 'unavailable'
+			# Save the time we quit to avoid duplicate logs AND be faster than
+			# get that date from DB. Save it in mem AND in a small table (with 
+			# fast access)
+			log_time = time_time()
+			self.last_history_line[jid] = log_time
+			gajim.logger.set_room_last_message_time(jid, log_time)
 		xmpp_show = helpers.get_xmpp_show(show)
 		p = common.xmpp.Presence(to = '%s/%s' % (jid, nick), typ = ptype,
 			show = xmpp_show, status = status)
@@ -1506,9 +1518,6 @@ class Connection(ConnectionHandlers):
 		# send instantly so when we go offline, status is sent to gc before we
 		# disconnect from jabber server
 		self.connection.send(p)
-		# Save the time we quit to avoid duplicate logs AND be faster than
-		# get that date from DB
-		self.last_history_line[jid] = time_time()
 
 	def gc_set_role(self, room_jid, nick, role, reason = ''):
 		'''role is for all the life of the room so it's based on nick'''

src/common/defs.py

@@ -2,7 +2,7 @@ docdir = '../'
 
 datadir = '../'
 
-version = '0.11.4.2-svn'
+version = '0.11.4.3-svn'
 
 import sys, os.path
 for base in ('.', 'common'):

src/common/logger.py

@@ -553,10 +553,10 @@ class Logger:
 		result = self.cur.fetchall()
 
 		# Copy all interesting times in a temporary table
-		self.cur.execute('CREATE TEMPORARY TABLE blabla(time,INTEGER)')
+		self.cur.execute('CREATE TEMPORARY TABLE temp_table(time,INTEGER)')
 		for line in result:
 			self.cur.execute('''
-				INSERT INTO blabla (time) VALUES (%d)
+				INSERT INTO temp_table (time) VALUES (%d)
 				''' % (line[0]))
 
 		# then search in this small temp table for each day
@@ -566,7 +566,7 @@ class Logger:
 
 			# just ask one row to see if we have sth for this date
 			self.cur.execute('''
-				SELECT time FROM blabla
+				SELECT time FROM temp_table
 				WHERE time BETWEEN %d AND %d
 				LIMIT 1
 				''' % (start_of_day, last_second_of_day))
@@ -575,7 +575,7 @@ class Logger:
 				days_with_logs[0:0]=[day]
 
 		# Delete temporary table
-		self.cur.execute('DROP TABLE blabla')
+		self.cur.execute('DROP TABLE temp_table')
 		result = self.cur.fetchone()
 		return days_with_logs
 
@@ -599,9 +599,38 @@ class Logger:
 			result = results[0]
 		else:
 			result = None
-
 		return result
 
+	def get_room_last_message_time(self, jid):
+		'''returns FASTLY last time (in seconds since EPOCH) for which
+		we had logs for that room from rooms_last_message_time table'''
+		jid_id = self.get_jid_id(jid, 'ROOM')
+		where_sql = 'jid_id = %s' % jid_id
+		self.cur.execute('''
+			SELECT time FROM rooms_last_message_time
+			WHERE (%s)
+			''' % (where_sql))
+
+		results = self.cur.fetchone()
+		if results is not None:
+			result = results[0]
+		else:
+			result = None
+		return result
+
+	def set_room_last_message_time(self, jid, time):
+		'''set last time (in seconds since EPOCH) for which
+		we had logs for that room in rooms_last_message_time table'''
+		jid_id = self.get_jid_id(jid, 'ROOM')
+		# jid_id is unique in this table, create or update :
+		sql = 'REPLACE INTO rooms_last_message_time VALUES (%d, %d)' % \
+			(jid_id, time)
+		self.cur.execute(sql)
+		try:
+			self.con.commit()
+		except sqlite.OperationalError, e:
+			print >> sys.stderr, str(e)
+
 	def _build_contact_where(self, account, jid):
 		'''build the where clause for a jid, including metacontacts
 		jid(s) if any'''

src/common/optparser.py

@@ -178,6 +178,8 @@ class OptionsParser:
 			self.update_config_to_01141()
 		if old < [0, 11, 4, 2] and new >= [0, 11, 4, 2]:
 			self.update_config_to_01142()
+		if old < [0, 11, 4, 3] and new >= [0, 11, 4, 3]:
+			self.update_config_to_01143()
 
 		gajim.logger.init_vars()
 		gajim.config.set('version', new_version)
@@ -543,3 +545,25 @@ class OptionsParser:
 			gajim.config.set_per('soundevents', 'next_message_received_focused',
 				'path', path)
 		gajim.config.set('version', '0.11.1.2')
+
+	def update_config_to_01143(self):
+		print "updating"
+		back = os.getcwd()
+		os.chdir(logger.LOG_DB_FOLDER)
+		con = sqlite.connect(logger.LOG_DB_FILE)
+		os.chdir(back)
+		cur = con.cursor()
+		try:
+			cur.executescript(
+				'''
+				CREATE TABLE IF NOT EXISTS rooms_last_message_time(
+		        jid_id INTEGER PRIMARY KEY UNIQUE,
+      		  time INTEGER
+				);
+				'''
+			)
+			con.commit()
+		except sqlite.OperationalError, e:
+			pass
+		con.close()
+		gajim.config.set('version', '0.11.4.3')