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webgroup_dblayer.py
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webgroup_dblayer.py
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# -*- coding: utf-8 -*-
##
## $Id$
##
## This file is part of CDS Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 CERN.
##
## CDS Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## CDS Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with CDS Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
""" Database related functions for groups"""
__revision__ = "$Id$"
from time import localtime
from zlib import decompress
from invenio.config import \
CFG_SITE_LANG, \
CFG_VERSION
from invenio.dbquery import run_sql, run_sql_cached
from invenio.dateutils import convert_datestruct_to_datetext
from invenio.messages import gettext_set_language
from invenio.websession_config import CFG_WEBSESSION_GROUP_JOIN_POLICY
def get_groups_by_user_status(uid, user_status, login_method='INTERNAL'):
"""Select all the groups the user is admin of.
@param uid: user id
@return ((id_usergroup,
group_name,
group_description, ))
"""
query = """SELECT g.id,
g.name,
g.description
FROM usergroup g, user_usergroup ug
WHERE ug.id_user=%s AND
ug.id_usergroup=g.id AND
ug.user_status=%s AND
g.login_method = %s
ORDER BY g.name"""
uid = int(uid)
res = run_sql_cached(query, (uid, user_status, login_method), affected_tables=['usergroup', 'user_usergroup'])
return res
def get_groups_by_login_method(uid, login_method):
"""Select all the groups the user is member of selecting the login_method.
@param uid: user id
@param login_method: the login_method (>0 external)
@return ((id_usergroup,
group_name,
group_description, ))
"""
query = """SELECT g.id,
g.name,
g.description
FROM usergroup g, user_usergroup ug
WHERE ug.id_user=%s AND
ug.id_usergroup=g.id AND
g.login_method=%s
ORDER BY g.name"""
uid = int(uid)
res = run_sql_cached(query, (uid, login_method), affected_tables=['usergroup', 'user_usergroup'])
return res
def get_groups_with_description(uid):
"""Select all the groups the user is member of.
@param uid: user id
@return ((id_usergroup,
group_name,
group_description, ))
"""
query = """SELECT g.id,
g.name,
g.description
FROM usergroup g, user_usergroup ug
WHERE ug.id_user=%s AND
ug.id_usergroup=g.id
ORDER BY g.name"""
uid = int(uid)
res = run_sql_cached(query, (uid, ), affected_tables=['usergroup', 'user_usergroup'])
return res
def get_external_groups(uid):
"""Select all the groups the user is member of selecting the login_method.
@param uid: user id
@param login_method: the login_method (>0 external)
@return ((id_usergroup,
group_name,
group_description, ))
"""
query = """SELECT g.id,
g.name,
g.description
FROM usergroup g, user_usergroup ug
WHERE ug.id_user=%s AND
ug.id_usergroup=g.id AND
g.login_method != 'INTERNAL'
ORDER BY g.name"""
uid = int(uid)
res = run_sql_cached(query, (uid, ), affected_tables=['usergroup', 'user_usergroup'])
return res
def get_groups(uid):
"""Select all the groups id the user is member of."""
query = """SELECT g.id, g.name
FROM usergroup g, user_usergroup ug
WHERE ug.id_user=%s AND
ug.id_usergroup=g.id
"""
res = run_sql_cached(query, (uid, ), affected_tables=['usergroup', 'user_usergroup'])
res = list(res)
return res
def get_group_id(group_name, login_method):
"""@return the id of the group called group_name with given login_method."""
return run_sql("""
SELECT id FROM usergroup
WHERE login_method = %s AND name = %s""", (login_method, group_name,))
def get_login_method_groups(uid, login_method):
"""Select all the external groups of a particular login_method for which
the user is subscrided.
@return ((group_name, group_id))
"""
return run_sql("""
SELECT g.name as name, g.id as id
FROM user_usergroup as u JOIN usergroup as g
ON u.id_usergroup = g.id
WHERE u.id_user = %s and g.login_method = %s""",
(uid, login_method,))
def get_all_login_method_groups(login_method):
"""Select all the external groups of a particular login_method.
@return ({group_name: group_id, ...})
"""
return dict(run_sql("""
SELECT name, id
FROM usergroup
WHERE login_method = %s""",
(login_method,)))
def get_all_users_with_groups_with_login_method(login_method):
"""Select all the users that belong at least to one external group
of kind login_method.
"""
return dict(run_sql("""
SELECT DISTINCT u.email, u.id
FROM user AS u JOIN user_usergroup AS uu ON u.id = uu.id_user
JOIN usergroup AS ug ON ug.id = uu.id_usergroup
WHERE ug.login_method = %s""", (login_method,)))
def get_visible_group_list(uid, pattern=""):
"""List the group the user can join (not already member
of the group regardless user's status).
@return groups {id : name} whose name matches pattern
"""
grpID = []
groups = {}
#list the group the user is member of"""
query = """SELECT distinct(id_usergroup)
FROM user_usergroup
WHERE id_user=%i """
uid = int(uid)
query %= uid
res = run_sql(query)
map(lambda x: grpID.append(int(x[0])), res)
query2 = """SELECT id,name
FROM usergroup
WHERE (join_policy='%s' OR join_policy='%s')""" % (
CFG_WEBSESSION_GROUP_JOIN_POLICY['VISIBLEOPEN'],
CFG_WEBSESSION_GROUP_JOIN_POLICY['VISIBLEMAIL'])
if len(grpID) == 1 :
query2 += """ AND id!=%i""" % grpID[0]
elif len(grpID) > 1:
query2 += """ AND id NOT IN %s""" % str(tuple(grpID))
if pattern:
res2 = run_sql(query2 + """ AND name RLIKE %s ORDER BY name""", (pattern,))
else:
res2 = run_sql(query2 + """ ORDER BY name""")
map(lambda x: groups.setdefault(x[0], x[1]), res2)
return groups
def insert_new_group(uid,
new_group_name,
new_group_description,
join_policy,
login_method='INTERNAL'):
"""Create a new group and affiliate a user."""
query1 = """INSERT INTO usergroup (id, name, description, join_policy,
login_method)
VALUES (NULL,%s,%s,%s,%s)
"""
params1 = (new_group_name,
new_group_description,
join_policy,
login_method)
res1 = run_sql(query1, params1)
date = convert_datestruct_to_datetext(localtime())
uid = int(uid)
query2 = """INSERT INTO user_usergroup (id_user, id_usergroup, user_status,
user_status_date)
VALUES (%s,%s,'A',%s)
"""
params2 = (uid, res1, date)
res2 = run_sql(query2, params2)
return res1
def insert_only_new_group(new_group_name,
new_group_description,
join_policy,
login_method='INTERNAL'):
"""Create a group with no user in (yet).
@return its id
"""
query = """INSERT INTO usergroup (name, description, join_policy, login_method)
VALUES (%s, %s, %s, %s)
"""
res = run_sql(query, (new_group_name, new_group_description, join_policy, login_method))
return res
def insert_new_member(uid,
grpID,
status):
"""Insert new member."""
query = """INSERT INTO user_usergroup (id_user, id_usergroup, user_status,
user_status_date)
VALUES (%s,%s,%s,%s)
"""
date = convert_datestruct_to_datetext(localtime())
res = run_sql(query, (uid, grpID, status, date))
return res
def get_group_infos(grpID):
"""Get group infos."""
query = """SELECT id,name,description,join_policy,login_method FROM usergroup
WHERE id = %s"""
grpID = int(grpID)
res = run_sql(query, (grpID, ))
return res
def get_all_groups_description(login_method):
"""Get all groups description, dictionary with key name."""
query = """SELECT name, description
FROM usergroup
WHERE login_method = %s
"""
res = run_sql(query, (login_method, ))
if res:
return dict(res)
else:
return {}
def update_group_infos(grpID,
group_name,
group_description,
join_policy):
"""Update group."""
res = run_sql("""UPDATE usergroup
SET name=%s, description=%s, join_policy=%s
WHERE id=%s""",
(group_name, group_description, join_policy, grpID))
return res
def get_user_status(uid, grpID):
"""Get the status of the user for the given group."""
query = """SELECT user_status FROM user_usergroup
WHERE id_user = %i
AND id_usergroup=%i"""
uid = int(uid)
grpID = int(grpID)
res = run_sql(query% (uid, grpID))
return res
def get_users_by_status(grpID, status, ln=CFG_SITE_LANG):
"""Get the list of users with the given status.
@return ((id, nickname),) nickname= user # uid if
the user has no nickname
"""
_ = gettext_set_language(ln)
res = run_sql("""SELECT ug.id_user, u.nickname
FROM user_usergroup ug, user u
WHERE ug.id_usergroup = %s
AND ug.id_user=u.id
AND user_status = %s""",
(grpID, status))
users = []
if res:
for (mid, nickname) in res:
nn = nickname
if not nickname:
nn = _("user") + "#%i" % mid
users.append((mid, nn))
return tuple(users)
def delete_member(grpID, member_id):
"""Delete member."""
query = """DELETE FROM user_usergroup
WHERE id_usergroup = %i
AND id_user = %i"""
grpID = int(grpID)
member_id = int(member_id)
res = run_sql(query% (grpID, member_id))
return res
def delete_group_and_members(grpID):
"""Delete the group and its members."""
query = """DELETE FROM usergroup
WHERE id = %i
"""
grpID = int(grpID)
res = run_sql(query% grpID)
query = """DELETE FROM user_usergroup
WHERE id_usergroup = %i
"""
res = run_sql(query% grpID)
return res
def add_pending_member(grpID, member_id, user_status):
"""Change user status:
Pending member becomes normal member"""
date = convert_datestruct_to_datetext(localtime())
res = run_sql("""UPDATE user_usergroup
SET user_status = %s, user_status_date = %s
WHERE id_usergroup = %s
AND id_user = %s""",
(user_status, date, grpID, member_id))
return res
def leave_group(grpID, uid):
"""Remove user from the group member list."""
query = """DELETE FROM user_usergroup
WHERE id_usergroup=%i
AND id_user=%i"""
grpID = int(grpID)
uid = int(uid)
res = run_sql(query% (grpID, uid))
return res
def drop_external_groups(userId):
"""Drops all the external groups memberships of userid."""
query = """DELETE user_usergroup FROM user_usergroup, usergroup
WHERE user_usergroup.id_user=%s
AND usergroup.id = user_usergroup.id_usergroup
AND usergroup.login_method <> 'INTERNAL'"""
return run_sql(query, (userId,))
def group_name_exist(group_name, login_method='INTERNAL'):
"""Get all group id whose name like group_name and login_method."""
query = """SELECT id
FROM usergroup
WHERE login_method=%s AND name=%s"""
res = run_sql(query, (group_name, login_method,))
return res
def get_group_login_method(grpID):
"""Return the login_method of the group or None if the grpID doesn't exist."""
query = """SELECT login_method
FROM usergroup
WHERE id=%s"""
res = run_sql(query, (grpID, ))
if res:
return res[0][0]
else:
return None
def count_nb_group_user(uid, user_status):
"""
@param uid: user id
@param status: member status
@return integer of number of groups the user belongs to
with the given status, 0 if none
"""
res = run_sql("""SELECT count(id_user)
FROM user_usergroup
WHERE id_user = %s
AND user_status = %s""",
(uid, user_status))
if res:
return int(res[0][0])
else:
return 0
def get_all_users():
"""@return all the email:id"""
query = """SELECT UPPER(email), id
FROM user
WHERE email != ''
"""
res = run_sql(query)
if res:
return dict(res)
else:
return {}
def get_users_in_group(grpID):
"""@return all uids of users belonging to group grpID"""
grpID = int(grpID)
query = """SELECT id_user
FROM user_usergroup
WHERE id_usergroup = %s
"""
res = run_sql(query, (grpID, ))
return [uid[0] for uid in res]
########################## helpful functions ##################################
def __decompress_last(item):
"""private function, used to shorten code"""
item = list(item)
item[-1] = decompress(item[-1])
return item

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