4 |
# |
# |
5 |
# This file is part of GNU Enterprise. |
# This file is part of GNU Enterprise. |
6 |
# |
# |
7 |
# GNU Enterprise is free software; you can redistribute it |
# GNU Enterprise is free software; you can redistribute it |
8 |
# and/or modify it under the terms of the GNU General Public |
# and/or modify it under the terms of the GNU General Public |
9 |
# License as published by the Free Software Foundation; either |
# License as published by the Free Software Foundation; either |
10 |
# version 2, or (at your option) any later version. |
# version 2, or (at your option) any later version. |
11 |
# |
# |
12 |
# GNU Enterprise is distributed in the hope that it will be |
# GNU Enterprise is distributed in the hope that it will be |
13 |
# useful, but WITHOUT ANY WARRANTY; without even the implied |
# useful, but WITHOUT ANY WARRANTY; without even the implied |
14 |
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
15 |
# PURPOSE. See the GNU General Public License for more details. |
# PURPOSE. See the GNU General Public License for more details. |
16 |
# |
# |
17 |
# You should have received a copy of the GNU General Public |
# You should have received a copy of the GNU General Public |
18 |
# License along with program; see the file COPYING. If not, |
# License along with program; see the file COPYING. If not, |
19 |
# write to the Free Software Foundation, Inc., 59 Temple Place |
# write to the Free Software Foundation, Inc., 59 Temple Place |
20 |
# - Suite 330, Boston, MA 02111-1307, USA. |
# - Suite 330, Boston, MA 02111-1307, USA. |
21 |
# |
# |
22 |
# $Id$ |
# $Id$ |
23 |
|
|
24 |
import geasList |
import geasList |
|
import geasTrigger |
|
|
import geasAuthentication |
|
25 |
import classrep |
import classrep |
26 |
import whrandom |
import whrandom |
27 |
|
|
50 |
# Initalize |
# Initalize |
51 |
# --------------------------------------------------------------------------- |
# --------------------------------------------------------------------------- |
52 |
|
|
53 |
def __init__ (self, connections, authAdapter, triggerMg): |
def __init__ (self, connections, authAdapter): |
54 |
self.loggedIn = 0 |
self.loggedIn = 0 |
55 |
self.connections = connections |
self.connections = connections |
56 |
try: |
try: |
59 |
self.database = "gnue" |
self.database = "gnue" |
60 |
self._user = "" |
self._user = "" |
61 |
self._lists = {} |
self._lists = {} |
62 |
self._listcount=0 |
self._listcount = 0 |
63 |
self._authAdapter=authAdapter |
self._authAdapter = authAdapter |
|
self._triggerMg=triggerMg |
|
64 |
|
|
65 |
# --------------------------------------------------------------------------- |
# --------------------------------------------------------------------------- |
66 |
# Get class definition from class name |
# Get class definition from class name |
75 |
|
|
76 |
def login (self, user, password): |
def login (self, user, password): |
77 |
# This username/password is for the Application Server, not for the |
# This username/password is for the Application Server, not for the |
78 |
# database. |
# database. |
79 |
self._user = user |
self._user = user |
80 |
self.loggedIn = self._authAdapter.authenticate(self, user, |
self.loggedIn = self._authAdapter.authenticate(self, user, |
81 |
{'password':password} ) |
{'password':password} ) |
94 |
# --------------------------------------------------------------------------- |
# --------------------------------------------------------------------------- |
95 |
|
|
96 |
def createList (self, classname): |
def createList (self, classname): |
97 |
|
|
98 |
classdef = self._getClassdef (classname) |
classdef = self._getClassdef (classname) |
99 |
|
|
100 |
# check if user has access rights for this list |
# check if user has access rights for this list |
101 |
if not self._authAdapter.hasAccess (self, self._user, classname): |
if not self._authAdapter.hasAccess (self, self._user, classname): |
102 |
return None |
return None |
103 |
|
|
|
# pre_new_list trigger |
|
|
# if classname != "appserver_pytrigger" \ |
|
|
# and classname != "gnue_module": |
|
|
# tr=self._triggerMg.getTriggerByEvent('%s:pre_new_list' % classname) |
|
|
# if tr!=None: |
|
|
# tr() |
|
|
|
|
104 |
# create new List |
# create new List |
105 |
newlist = geasList.geasList (self, classdef) |
newlist = geasList.geasList (self, classdef) |
106 |
# every new list will be added to the _lists list |
# every new list will be added to the _lists list |
108 |
self._listcount += 1 |
self._listcount += 1 |
109 |
self._lists [self._listcount] = newlist |
self._lists [self._listcount] = newlist |
110 |
return newlist; |
return newlist; |
111 |
|
|
112 |
# --------------------------------------------------------------------------- |
# --------------------------------------------------------------------------- |
113 |
# Commit the active transaction |
# Commit the active transaction |
114 |
# --------------------------------------------------------------------------- |
# --------------------------------------------------------------------------- |
116 |
def commit (self): |
def commit (self): |
117 |
# FIXME: gnue-common should support the concept of a session and commits |
# FIXME: gnue-common should support the concept of a session and commits |
118 |
# on session level |
# on session level |
119 |
for l in self._lists.keys(): |
for l in self._lists.keys (): |
120 |
if hasattr(self._lists[l],"_datasource"): |
if hasattr (self._lists[l], "_datasource"): |
121 |
self._lists[l]._resultset.post() |
self._lists[l]._resultset.post () |
122 |
self._lists[l]._datasource.commit() |
self._lists[l]._datasource.commit () |
123 |
|
|
124 |
# --------------------------------------------------------------------------- |
# --------------------------------------------------------------------------- |
125 |
# Rollback the active transaction |
# Rollback the active transaction |
128 |
def rollback (self): |
def rollback (self): |
129 |
# FIXME: gnue-common should support the concept of a session and rollbacks |
# FIXME: gnue-common should support the concept of a session and rollbacks |
130 |
# on session level |
# on session level |
131 |
for l in self._lists.keys(): |
for l in self._lists.keys (): |
132 |
if hasattr(self._lists[l],"_datasource"): |
if hasattr (self._lists[l], "_datasource"): |
133 |
self._lists[l]._datasource.rollback() |
self._lists[l]._datasource.rollback () |
134 |
|
|
135 |
# --------------------------------------------------------------------------- |
# --------------------------------------------------------------------------- |
136 |
# Create a new list of business objects of a given class |
# Create a new list of business objects of a given class |
139 |
def request (self, classname, conditions, sortorder, propertylist): |
def request (self, classname, conditions, sortorder, propertylist): |
140 |
# FIXME: this list needn't be considered by commit and rollback |
# FIXME: this list needn't be considered by commit and rollback |
141 |
list = self.createList (classname) |
list = self.createList (classname) |
142 |
if list==None: |
if list == None: |
143 |
return 0 |
return 0 |
144 |
|
|
145 |
list_id = self._listcount |
list_id = self._listcount |
146 |
list.setPrefetch (["gnue_id"] + propertylist) |
list.setPrefetch (["gnue_id"] + propertylist) |
147 |
list.setConditions (conditions) |
list.setConditions (conditions) |
148 |
list.setSort (sortorder) |
list.setSort (sortorder) |
149 |
list.populate () |
list.populate () |
150 |
|
|
151 |
return list_id; |
return list_id; |
152 |
|
|
153 |
# --------------------------------------------------------------------------- |
# --------------------------------------------------------------------------- |
158 |
try: |
try: |
159 |
list = self._lists [list_id] |
list = self._lists [list_id] |
160 |
except: |
except: |
161 |
raise Error,'The list you are truing to access does not exist.' |
raise Error, 'The list you are trying to access does not exist.' |
162 |
return list.count (); |
return list.count (); |
163 |
|
|
164 |
# --------------------------------------------------------------------------- |
# --------------------------------------------------------------------------- |
169 |
try: |
try: |
170 |
list = self._lists [list_id] |
list = self._lists [list_id] |
171 |
except: |
except: |
172 |
raise Error,'The list you are truing to access does not exist.' |
raise Error, 'The list you are trying to access does not exist.' |
173 |
return list.fetch (start, count) |
return list.fetch (start, count) |
174 |
|
|
175 |
# --------------------------------------------------------------------------- |
# --------------------------------------------------------------------------- |
193 |
row = [] |
row = [] |
194 |
for property in propertylist: |
for property in propertylist: |
195 |
value = object.get (property) |
value = object.get (property) |
196 |
## TRANSFER None as "" |
# transfer None as "" |
197 |
if value == None: |
if value == None: |
198 |
value = "" |
value = "" |
199 |
row.append (value) |
row.append (value) |
208 |
result = [] |
result = [] |
209 |
i = 0 |
i = 0 |
210 |
for object_id in obj_id_list: |
for object_id in obj_id_list: |
|
# FIXME: if we already have (in this session) a geasInstance that holds |
|
|
# exactly this object, then we _must_ reuse it, or the existing |
|
|
# geasInstance won't reflect our change! |
|
|
|
|
|
# FIXME: when new geasInstance is inserted, and we have (in this session) |
|
|
# a geasList that this geasInstance would belong into, then insert it |
|
|
# into that geasList. |
|
|
|
|
211 |
# We have to create a geasList for each object, because commit only |
# We have to create a geasList for each object, because commit only |
212 |
# operates on lists. We should change that. -- Reinhard |
# operates on lists. We should change that. -- Reinhard |
213 |
list = self.createList (classname) |
list = self.createList (classname) |
249 |
list.populate () |
list.populate () |
250 |
object = list.firstInstance () |
object = list.firstInstance () |
251 |
object.delete () |
object.delete () |
|
# FIXME: remove this instance from all lists of this session it was |
|
|
# a member of. |
|
252 |
|
|
253 |
# --------------------------------------------------------------------------- |
# --------------------------------------------------------------------------- |
254 |
# Call a procedure of business objects |
# Call a procedure of business objects |
255 |
# --------------------------------------------------------------------------- |
# --------------------------------------------------------------------------- |
256 |
|
|
257 |
def call(self,classname,obj_id_list,methodname,parameters): |
def call (self, classname, obj_id_list, procedurename, parameters): |
258 |
# create a temporary geasList |
# create a temporary geasList |
259 |
classdef = self._getClassdef (classname) |
classdef = self._getClassdef (classname) |
260 |
list = geasList.geasList (self, classdef) |
list = geasList.geasList (self, classdef) |
268 |
['const', object_id]]) |
['const', object_id]]) |
269 |
list.populate () |
list.populate () |
270 |
object = list.firstInstance () |
object = list.firstInstance () |
271 |
result.append (object.call(methodname,parameters)) |
result.append (object.call (methodname, parameters)) |
|
# FIXME: at the moment the method itself has to care for data which has to |
|
|
# be stored back into the database -- Siesel |
|
|
|
|
272 |
return result |
return result |
|
# FIXME: This function should be moved to the geasBClass object, once |
|
|
# it is working -- Siesel |
|
|
# return self._getClass(classname).call(obj_id_list,methodname,parameters) |
|