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[FIX] im_chat : search user method, split the sql query into 3 smaller

This commit is contained in:
Jérome Maes 2014-09-05 14:43:20 +02:00
parent a6269dcead
commit 559aa0b6d1
1 changed files with 47 additions and 19 deletions
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66
addons/im_chat/im_chat.py
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@ -307,29 +307,57 @@ class res_users(osv.Model):
def im_search(self, cr, uid, name, limit=20, context=None):
""" search users with a name and return its id, name and im_status """
result = [];
# find the employee group
group_employee = self.pool['ir.model.data'].get_object_reference(cr, uid, 'base', 'group_user')[1]
# built and execute SQL query. Using ORM is slow for big database, so query sql is required.
where_clause = "WHERE U.active = 't' AND U.id != %s "
query_params = (group_employee, limit)
where_clause_base = " U.active = 't' "
query_params = ()
if name:
where_clause += " AND P.name ILIKE %s "
query_params = ('%'+name+'%',) + query_params
query_params = (uid,) + query_params
query = ''' SELECT U.id as id, P.name as name, COALESCE(S.status, 'offline') as im_status
FROM res_users U
LEFT JOIN res_partner P ON P.id = U.partner_id
where_clause_base += " AND P.name ILIKE %s "
query_params = query_params + ('%'+name+'%',)
# first query to find online employee
cr.execute('''SELECT U.id as id, P.name as name, COALESCE(S.status, 'offline') as im_status
FROM im_chat_presence S
JOIN res_users U ON S.user_id = U.id
JOIN res_partner P ON P.id = U.partner_id
WHERE '''+where_clause_base+'''
AND U.id != %s
AND EXISTS (SELECT 1 FROM res_groups_users_rel G WHERE G.gid = %s AND G.uid = U.id)
AND S.status = 'online'
ORDER BY P.name
LIMIT %s
''', query_params + (uid, group_employee, limit))
result = result + cr.dictfetchall()
# second query to find other online people
if(len(result) < limit):
cr.execute('''SELECT U.id as id, P.name as name, COALESCE(S.status, 'offline') as im_status
FROM im_chat_presence S
JOIN res_users U ON S.user_id = U.id
JOIN res_partner P ON P.id = U.partner_id
WHERE '''+where_clause_base+'''
AND U.id NOT IN %s
AND S.status = 'online'
ORDER BY P.name
LIMIT %s
''', query_params + (tuple([u["id"] for u in result]) + (uid,), limit-len(result)))
result = result + cr.dictfetchall()
# third query to find all other people
if(len(result) < limit):
cr.execute('''SELECT U.id as id, P.name as name, COALESCE(S.status, 'offline') as im_status
FROM res_users U
LEFT JOIN im_chat_presence S ON S.user_id = U.id
''' +where_clause+ '''
ORDER BY EXISTS (SELECT 1 FROM res_groups_users_rel G WHERE G.gid = %s AND G.uid = U.id) DESC,
CASE WHEN S.status = 'online' THEN 1
WHEN S.status = 'away' THEN 2
ELSE 3
END,
P.name ASC
LIMIT %s'''
cr.execute(query, query_params)
return cr.dictfetchall()
LEFT JOIN res_partner P ON P.id = U.partner_id
WHERE '''+where_clause_base+'''
AND U.id NOT IN %s
ORDER BY P.name
LIMIT %s
''', query_params + (tuple([u["id"] for u in result]) + (uid,), limit-len(result)))
result = result + cr.dictfetchall()
return result
#----------------------------------------------------------
# Controllers