root / pykota / trunk / pykota / storages / pgstorage.py @ 1275

Revision 1275, 29.9 kB (checked in by jalet, 20 years ago)

Missing space in SQL query

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1# PyKota
2# -*- coding: ISO-8859-15 -*-
3#
4# PyKota : Print Quotas for CUPS and LPRng
5#
6# (c) 2003-2004 Jerome Alet <alet@librelogiciel.com>
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program; if not, write to the Free Software
19# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
20#
21# $Id$
22#
23# $Log$
24# Revision 1.33  2004/01/12 14:44:47  jalet
25# Missing space in SQL query
26#
27# Revision 1.32  2004/01/12 14:35:02  jalet
28# Printing history added to CGI script.
29#
30# Revision 1.31  2004/01/10 09:44:02  jalet
31# Fixed potential accuracy problem if a user printed on several printers at
32# the very same time.
33#
34# Revision 1.30  2004/01/08 16:33:27  jalet
35# Additionnal check to not create a circular printers group.
36#
37# Revision 1.29  2004/01/08 16:24:49  jalet
38# edpykota now supports adding printers to printer groups.
39#
40# Revision 1.28  2004/01/08 14:10:33  jalet
41# Copyright year changed.
42#
43# Revision 1.27  2004/01/06 14:24:59  jalet
44# Printer groups should be cached now, if caching is enabled.
45#
46# Revision 1.26  2003/12/29 14:12:48  uid67467
47# Tries to workaround possible integrity violations when retrieving printer groups
48#
49# Revision 1.25  2003/12/27 16:49:25  uid67467
50# Should be ok now.
51#
52# Revision 1.24  2003/11/29 22:02:14  jalet
53# Don't try to retrieve the user print quota information if current printer
54# doesn't exist.
55#
56# Revision 1.23  2003/11/23 19:01:37  jalet
57# Job price added to history
58#
59# Revision 1.22  2003/11/21 14:28:46  jalet
60# More complete job history.
61#
62# Revision 1.21  2003/11/12 13:06:38  jalet
63# Bug fix wrt no user/group name command line argument to edpykota
64#
65# Revision 1.20  2003/10/09 21:25:26  jalet
66# Multiple printer names or wildcards can be passed on the command line
67# separated with commas.
68# Beta phase.
69#
70# Revision 1.19  2003/10/08 07:01:20  jalet
71# Job history can be disabled.
72# Some typos in README.
73# More messages in setup script.
74#
75# Revision 1.18  2003/10/07 09:07:30  jalet
76# Character encoding added to please latest version of Python
77#
78# Revision 1.17  2003/10/06 13:12:28  jalet
79# More work on caching
80#
81# Revision 1.16  2003/10/03 18:01:49  jalet
82# Nothing interesting...
83#
84# Revision 1.15  2003/10/03 12:27:03  jalet
85# Several optimizations, especially with LDAP backend
86#
87# Revision 1.14  2003/10/03 08:57:55  jalet
88# Caching mechanism now caches all that's cacheable.
89#
90# Revision 1.13  2003/10/02 20:23:18  jalet
91# Storage caching mechanism added.
92#
93# Revision 1.12  2003/08/17 14:20:25  jalet
94# Bug fix by Oleg Biteryakov
95#
96# Revision 1.11  2003/07/29 20:55:17  jalet
97# 1.14 is out !
98#
99# Revision 1.10  2003/07/16 21:53:08  jalet
100# Really big modifications wrt new configuration file's location and content.
101#
102# Revision 1.9  2003/07/14 17:20:15  jalet
103# Bug in postgresql storage when modifying the prices for a printer
104#
105# Revision 1.8  2003/07/14 14:18:17  jalet
106# Wrong documentation strings
107#
108# Revision 1.7  2003/07/09 20:17:07  jalet
109# Email field added to PostgreSQL schema
110#
111# Revision 1.6  2003/07/07 11:49:24  jalet
112# Lots of small fixes with the help of PyChecker
113#
114# Revision 1.5  2003/07/07 08:33:19  jalet
115# Bug fix due to a typo in LDAP code
116#
117# Revision 1.4  2003/06/30 13:54:21  jalet
118# Sorts by user / group name
119#
120# Revision 1.3  2003/06/25 14:10:01  jalet
121# Hey, it may work (edpykota --reset excepted) !
122#
123# Revision 1.2  2003/06/12 21:09:57  jalet
124# wrongly placed code.
125#
126# Revision 1.1  2003/06/10 16:37:54  jalet
127# Deletion of the second user which is not needed anymore.
128# Added a debug configuration field in /etc/pykota.conf
129# All queries can now be sent to the logger in debug mode, this will
130# greatly help improve performance when time for this will come.
131#
132#
133#
134#
135
136from pykota.storage import PyKotaStorageError,BaseStorage,StorageObject,StorageUser,StorageGroup,StoragePrinter,StorageJob,StorageLastJob,StorageUserPQuota,StorageGroupPQuota
137
138try :
139    import pg
140except ImportError :   
141    import sys
142    # TODO : to translate or not to translate ?
143    raise PyKotaStorageError, "This python version (%s) doesn't seem to have the PygreSQL module installed correctly." % sys.version.split()[0]
144
145class Storage(BaseStorage) :
146    def __init__(self, pykotatool, host, dbname, user, passwd) :
147        """Opens the PostgreSQL database connection."""
148        BaseStorage.__init__(self, pykotatool)
149        try :
150            (host, port) = host.split(":")
151            port = int(port)
152        except ValueError :   
153            port = -1         # Use PostgreSQL's default tcp/ip port (5432).
154       
155        try :
156            self.database = pg.connect(host=host, port=port, dbname=dbname, user=user, passwd=passwd)
157        except pg.error, msg :
158            raise PyKotaStorageError, msg
159        else :   
160            self.closed = 0
161            self.tool.logdebug("Database opened (host=%s, port=%s, dbname=%s, user=%s)" % (host, port, dbname, user))
162           
163    def close(self) :   
164        """Closes the database connection."""
165        if not self.closed :
166            self.database.close()
167            self.closed = 1
168            self.tool.logdebug("Database closed.")
169       
170    def beginTransaction(self) :   
171        """Starts a transaction."""
172        self.database.query("BEGIN;")
173        self.tool.logdebug("Transaction begins...")
174       
175    def commitTransaction(self) :   
176        """Commits a transaction."""
177        self.database.query("COMMIT;")
178        self.tool.logdebug("Transaction committed.")
179       
180    def rollbackTransaction(self) :     
181        """Rollbacks a transaction."""
182        self.database.query("ROLLBACK;")
183        self.tool.logdebug("Transaction aborted.")
184       
185    def doSearch(self, query) :
186        """Does a search query."""
187        query = query.strip()   
188        if not query.endswith(';') :   
189            query += ';'
190        try :
191            self.tool.logdebug("QUERY : %s" % query)
192            result = self.database.query(query)
193        except pg.error, msg :   
194            raise PyKotaStorageError, msg
195        else :   
196            if (result is not None) and (result.ntuples() > 0) : 
197                return result.dictresult()
198           
199    def doModify(self, query) :
200        """Does a (possibly multiple) modify query."""
201        query = query.strip()   
202        if not query.endswith(';') :   
203            query += ';'
204        try :
205            self.tool.logdebug("QUERY : %s" % query)
206            result = self.database.query(query)
207        except pg.error, msg :   
208            raise PyKotaStorageError, msg
209        else :   
210            return result
211           
212    def doQuote(self, field) :
213        """Quotes a field for use as a string in SQL queries."""
214        if type(field) == type(0.0) : 
215            typ = "decimal"
216        elif type(field) == type(0) :   
217            typ = "int"
218        else :   
219            typ = "text"
220        return pg._quote(field, typ)
221       
222    def getAllUsersNames(self) :   
223        """Extracts all user names."""
224        usernames = []
225        result = self.doSearch("SELECT username FROM users")
226        if result :
227            usernames = [record["username"] for record in result]
228        return usernames
229       
230    def getAllGroupsNames(self) :   
231        """Extracts all group names."""
232        groupnames = []
233        result = self.doSearch("SELECT groupname FROM groups")
234        if result :
235            groupnames = [record["groupname"] for record in result]
236        return groupnames
237       
238    def getUserFromBackend(self, username) :   
239        """Extracts user information given its name."""
240        user = StorageUser(self, username)
241        result = self.doSearch("SELECT * FROM users WHERE username=%s LIMIT 1" % self.doQuote(username))
242        if result :
243            fields = result[0]
244            user.ident = fields.get("id")
245            user.LimitBy = fields.get("limitby")
246            user.AccountBalance = fields.get("balance")
247            user.LifeTimePaid = fields.get("lifetimepaid")
248            user.Email = fields.get("email")
249            user.Exists = 1
250        return user
251       
252    def getGroupFromBackend(self, groupname) :   
253        """Extracts group information given its name."""
254        group = StorageGroup(self, groupname)
255        result = self.doSearch("SELECT * FROM groups WHERE groupname=%s LIMIT 1" % self.doQuote(groupname))
256        if result :
257            fields = result[0]
258            group.ident = fields.get("id")
259            group.LimitBy = fields.get("limitby")
260            result = self.doSearch("SELECT SUM(balance) AS balance, SUM(lifetimepaid) AS lifetimepaid FROM users WHERE id IN (SELECT userid FROM groupsmembers WHERE groupid=%s)" % self.doQuote(group.ident))
261            if result :
262                fields = result[0]
263                group.AccountBalance = fields.get("balance")
264                group.LifeTimePaid = fields.get("lifetimepaid")
265            group.Exists = 1
266        return group
267       
268    def getPrinterFromBackend(self, printername) :       
269        """Extracts printer information given its name."""
270        printer = StoragePrinter(self, printername)
271        result = self.doSearch("SELECT * FROM printers WHERE printername=%s LIMIT 1" % self.doQuote(printername))
272        if result :
273            fields = result[0]
274            printer.ident = fields.get("id")
275            printer.PricePerJob = fields.get("priceperjob")
276            printer.PricePerPage = fields.get("priceperpage")
277            printer.LastJob = self.getPrinterLastJob(printer)
278            printer.Exists = 1
279        return printer   
280       
281    def getUserPQuotaFromBackend(self, user, printer) :       
282        """Extracts a user print quota."""
283        userpquota = StorageUserPQuota(self, user, printer)
284        if printer.Exists and user.Exists :
285            result = self.doSearch("SELECT id, lifepagecounter, pagecounter, softlimit, hardlimit, datelimit FROM userpquota WHERE userid=%s AND printerid=%s" % (self.doQuote(user.ident), self.doQuote(printer.ident)))
286            if result :
287                fields = result[0]
288                userpquota.ident = fields.get("id")
289                userpquota.PageCounter = fields.get("pagecounter")
290                userpquota.LifePageCounter = fields.get("lifepagecounter")
291                userpquota.SoftLimit = fields.get("softlimit")
292                userpquota.HardLimit = fields.get("hardlimit")
293                userpquota.DateLimit = fields.get("datelimit")
294                userpquota.Exists = 1
295        return userpquota
296       
297    def getGroupPQuotaFromBackend(self, group, printer) :       
298        """Extracts a group print quota."""
299        grouppquota = StorageGroupPQuota(self, group, printer)
300        if group.Exists :
301            result = self.doSearch("SELECT id, softlimit, hardlimit, datelimit FROM grouppquota WHERE groupid=%s AND printerid=%s" % (self.doQuote(group.ident), self.doQuote(printer.ident)))
302            if result :
303                fields = result[0]
304                grouppquota.ident = fields.get("id")
305                grouppquota.SoftLimit = fields.get("softlimit")
306                grouppquota.HardLimit = fields.get("hardlimit")
307                grouppquota.DateLimit = fields.get("datelimit")
308                result = self.doSearch("SELECT SUM(lifepagecounter) AS lifepagecounter, SUM(pagecounter) AS pagecounter FROM userpquota WHERE printerid=%s AND userid IN (SELECT userid FROM groupsmembers WHERE groupid=%s)" % (self.doQuote(printer.ident), self.doQuote(group.ident)))
309                if result :
310                    fields = result[0]
311                    grouppquota.PageCounter = fields.get("pagecounter")
312                    grouppquota.LifePageCounter = fields.get("lifepagecounter")
313                grouppquota.Exists = 1
314        return grouppquota
315       
316    def getPrinterLastJobFromBackend(self, printer) :       
317        """Extracts a printer's last job information."""
318        lastjob = StorageLastJob(self, printer)
319        result = self.doSearch("SELECT jobhistory.id, jobid, userid, username, pagecounter, jobsize, jobprice, filename, title, copies, options, jobdate FROM jobhistory, users WHERE printerid=%s AND userid=users.id ORDER BY jobdate DESC LIMIT 1" % self.doQuote(printer.ident))
320        if result :
321            fields = result[0]
322            lastjob.ident = fields.get("id")
323            lastjob.JobId = fields.get("jobid")
324            lastjob.User = self.getUser(fields.get("username"))
325            lastjob.PrinterPageCounter = fields.get("pagecounter")
326            lastjob.JobSize = fields.get("jobsize")
327            lastjob.JobPrice = fields.get("jobprice")
328            lastjob.JobAction = fields.get("action")
329            lastjob.JobFileName = fields.get("filename")
330            lastjob.JobTitle = fields.get("title")
331            lastjob.JobCopies = fields.get("copies")
332            lastjob.JobOptions = fields.get("options")
333            lastjob.JobDate = fields.get("jobdate")
334            lastjob.Exists = 1
335        return lastjob
336           
337    def getGroupMembersFromBackend(self, group) :       
338        """Returns the group's members list."""
339        groupmembers = []
340        result = self.doSearch("SELECT * FROM groupsmembers JOIN users ON groupsmembers.userid=users.id WHERE groupid=%s" % self.doQuote(group.ident))
341        if result :
342            for record in result :
343                user = StorageUser(self, record.get("username"))
344                user.ident = record.get("userid")
345                user.LimitBy = record.get("limitby")
346                user.AccountBalance = record.get("balance")
347                user.LifeTimePaid = record.get("lifetimepaid")
348                user.Email = record.get("email")
349                user.Exists = 1
350                groupmembers.append(user)
351                self.cacheEntry("USERS", user.Name, user)
352        return groupmembers       
353       
354    def getUserGroupsFromBackend(self, user) :       
355        """Returns the user's groups list."""
356        groups = []
357        result = self.doSearch("SELECT groupname FROM groupsmembers JOIN groups ON groupsmembers.groupid=groups.id WHERE userid=%s" % self.doQuote(user.ident))
358        if result :
359            for record in result :
360                groups.append(self.getGroup(record.get("groupname")))
361        return groups       
362       
363    def getParentPrintersFromBackend(self, printer) :   
364        """Get all the printer groups this printer is a member of."""
365        pgroups = []
366        result = self.doSearch("SELECT groupid,printername FROM printergroupsmembers JOIN printers ON groupid=id WHERE printerid=%s" % self.doQuote(printer.ident))
367        if result :
368            for record in result :
369                if record["groupid"] != printer.ident : # in case of integrity violation
370                    parentprinter = self.getPrinter(record.get("printername"))
371                    if parentprinter.Exists :
372                        pgroups.append(parentprinter)
373        return pgroups
374       
375    def getMatchingPrinters(self, printerpattern) :
376        """Returns the list of all printers for which name matches a certain pattern."""
377        printers = []
378        # We 'could' do a SELECT printername FROM printers WHERE printername LIKE ...
379        # but we don't because other storages semantics may be different, so every
380        # storage should use fnmatch to match patterns and be storage agnostic
381        result = self.doSearch("SELECT * FROM printers")
382        if result :
383            for record in result :
384                if self.tool.matchString(record["printername"], printerpattern.split(",")) :
385                    printer = StoragePrinter(self, record["printername"])
386                    printer.ident = record.get("id")
387                    printer.PricePerJob = record.get("priceperjob")
388                    printer.PricePerPage = record.get("priceperpage")
389                    printer.LastJob = self.getPrinterLastJob(printer)
390                    printer.Exists = 1
391                    printers.append(printer)
392                    self.cacheEntry("PRINTERS", printer.Name, printer)
393        return printers       
394       
395    def getPrinterUsersAndQuotas(self, printer, names=["*"]) :       
396        """Returns the list of users who uses a given printer, along with their quotas."""
397        usersandquotas = []
398        result = self.doSearch("SELECT users.id as uid,username,balance,lifetimepaid,limitby,email,userpquota.id,lifepagecounter,pagecounter,softlimit,hardlimit,datelimit FROM users JOIN userpquota ON users.id=userpquota.userid AND printerid=%s ORDER BY username ASC" % self.doQuote(printer.ident))
399        if result :
400            for record in result :
401                if self.tool.matchString(record.get("username"), names) :
402                    user = StorageUser(self, record.get("username"))
403                    user.ident = record.get("uid")
404                    user.LimitBy = record.get("limitby")
405                    user.AccountBalance = record.get("balance")
406                    user.LifeTimePaid = record.get("lifetimepaid")
407                    user.Email = record.get("email") 
408                    user.Exists = 1
409                    userpquota = StorageUserPQuota(self, user, printer)
410                    userpquota.ident = record.get("id")
411                    userpquota.PageCounter = record.get("pagecounter")
412                    userpquota.LifePageCounter = record.get("lifepagecounter")
413                    userpquota.SoftLimit = record.get("softlimit")
414                    userpquota.HardLimit = record.get("hardlimit")
415                    userpquota.DateLimit = record.get("datelimit")
416                    userpquota.Exists = 1
417                    usersandquotas.append((user, userpquota))
418                    self.cacheEntry("USERS", user.Name, user)
419                    self.cacheEntry("USERPQUOTAS", "%s@%s" % (user.Name, printer.Name), userpquota)
420        return usersandquotas
421               
422    def getPrinterGroupsAndQuotas(self, printer, names=["*"]) :       
423        """Returns the list of groups which uses a given printer, along with their quotas."""
424        groupsandquotas = []
425        result = self.doSearch("SELECT groupname FROM groups JOIN grouppquota ON groups.id=grouppquota.groupid AND printerid=%s ORDER BY groupname ASC" % self.doQuote(printer.ident))
426        if result :
427            for record in result :
428                if self.tool.matchString(record.get("groupname"), names) :
429                    group = self.getGroup(record.get("groupname"))
430                    grouppquota = self.getGroupPQuota(group, printer)
431                    groupsandquotas.append((group, grouppquota))
432        return groupsandquotas
433       
434    def addPrinter(self, printername) :       
435        """Adds a printer to the quota storage, returns it."""
436        self.doModify("INSERT INTO printers (printername) VALUES (%s)" % self.doQuote(printername))
437        return self.getPrinter(printername)
438       
439    def addUser(self, user) :       
440        """Adds a user to the quota storage, returns its id."""
441        self.doModify("INSERT INTO users (username, limitby, balance, lifetimepaid, email) VALUES (%s, %s, %s, %s, %s)" % (self.doQuote(user.Name), self.doQuote(user.LimitBy), self.doQuote(user.AccountBalance), self.doQuote(user.LifeTimePaid), self.doQuote(user.Email)))
442        return self.getUser(user.Name)
443       
444    def addGroup(self, group) :       
445        """Adds a group to the quota storage, returns its id."""
446        self.doModify("INSERT INTO groups (groupname, limitby) VALUES (%s, %s)" % (self.doQuote(group.Name), self.doQuote(group.LimitBy)))
447        return self.getGroup(group.Name)
448
449    def addUserToGroup(self, user, group) :   
450        """Adds an user to a group."""
451        result = self.doSearch("SELECT COUNT(*) AS mexists FROM groupsmembers WHERE groupid=%s AND userid=%s" % (self.doQuote(group.ident), self.doQuote(user.ident)))
452        try :
453            mexists = int(result[0].get("mexists"))
454        except (IndexError, TypeError) :   
455            mexists = 0
456        if not mexists :   
457            self.doModify("INSERT INTO groupsmembers (groupid, userid) VALUES (%s, %s)" % (self.doQuote(group.ident), self.doQuote(user.ident)))
458           
459    def addUserPQuota(self, user, printer) :
460        """Initializes a user print quota on a printer."""
461        self.doModify("INSERT INTO userpquota (userid, printerid) VALUES (%s, %s)" % (self.doQuote(user.ident), self.doQuote(printer.ident)))
462        return self.getUserPQuota(user, printer)
463       
464    def addGroupPQuota(self, group, printer) :
465        """Initializes a group print quota on a printer."""
466        self.doModify("INSERT INTO grouppquota (groupid, printerid) VALUES (%s, %s)" % (self.doQuote(group.ident), self.doQuote(printer.ident)))
467        return self.getGroupPQuota(group, printer)
468       
469    def writePrinterPrices(self, printer) :   
470        """Write the printer's prices back into the storage."""
471        self.doModify("UPDATE printers SET priceperpage=%s, priceperjob=%s WHERE id=%s" % (self.doQuote(printer.PricePerPage), self.doQuote(printer.PricePerJob), self.doQuote(printer.ident)))
472       
473    def writeUserLimitBy(self, user, limitby) :   
474        """Sets the user's limiting factor."""
475        self.doModify("UPDATE users SET limitby=%s WHERE id=%s" % (self.doQuote(limitby), self.doQuote(user.ident)))
476       
477    def writeGroupLimitBy(self, group, limitby) :   
478        """Sets the group's limiting factor."""
479        self.doModify("UPDATE groups SET limitby=%s WHERE id=%s" % (self.doQuote(limitby), self.doQuote(group.ident)))
480       
481    def writeUserPQuotaDateLimit(self, userpquota, datelimit) :   
482        """Sets the date limit permanently for a user print quota."""
483        self.doModify("UPDATE userpquota SET datelimit=%s WHERE id=%s" % (self.doQuote(datelimit), self.doQuote(userpquota.ident)))
484           
485    def writeGroupPQuotaDateLimit(self, grouppquota, datelimit) :   
486        """Sets the date limit permanently for a group print quota."""
487        self.doModify("UPDATE grouppquota SET datelimit=%s WHERE id=%s" % (self.doQuote(datelimit), self.doQuote(grouppquota.ident)))
488       
489    def increaseUserPQuotaPagesCounters(self, userpquota, nbpages) :   
490        """Increase page counters for a user print quota."""
491        self.doModify("UPDATE userpquota SET pagecounter=pagecounter+%s,lifepagecounter=lifepagecounter+%s WHERE id=%s" % (self.doQuote(nbpages), self.doQuote(nbpages), self.doQuote(userpquota.ident)))
492       
493    def writeUserPQuotaPagesCounters(self, userpquota, newpagecounter, newlifepagecounter) :   
494        """Sets the new page counters permanently for a user print quota."""
495        self.doModify("UPDATE userpquota SET pagecounter=%s,lifepagecounter=%s WHERE id=%s" % (self.doQuote(newpagecounter), self.doQuote(newlifepagecounter), self.doQuote(userpquota.ident)))
496       
497    def decreaseUserAccountBalance(self, user, amount) :   
498        """Decreases user's account balance from an amount."""
499        self.doModify("UPDATE users SET balance=balance-%s WHERE id=%s" % (self.doQuote(amount), self.doQuote(user.ident)))
500       
501    def writeUserAccountBalance(self, user, newbalance, newlifetimepaid=None) :   
502        """Sets the new account balance and eventually new lifetime paid."""
503        if newlifetimepaid is not None :
504            self.doModify("UPDATE users SET balance=%s, lifetimepaid=%s WHERE id=%s" % (self.doQuote(newbalance), self.doQuote(newlifetimepaid), self.doQuote(user.ident)))
505        else :   
506            self.doModify("UPDATE users SET balance=%s WHERE id=%s" % (self.doQuote(newbalance), self.doQuote(user.ident)))
507           
508    def writeLastJobSize(self, lastjob, jobsize, jobprice) :       
509        """Sets the last job's size permanently."""
510        self.doModify("UPDATE jobhistory SET jobsize=%s, jobprice=%s WHERE id=%s" % (self.doQuote(jobsize), self.doQuote(jobprice), self.doQuote(lastjob.ident)))
511       
512    def writeJobNew(self, printer, user, jobid, pagecounter, action, jobsize=None, jobprice=None, filename=None, title=None, copies=None, options=None) :   
513        """Adds a job in a printer's history."""
514        if (not self.disablehistory) or (not printer.LastJob.Exists) :
515            if jobsize is not None :
516                self.doModify("INSERT INTO jobhistory (userid, printerid, jobid, pagecounter, action, jobsize, jobprice, filename, title, copies, options) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)" % (self.doQuote(user.ident), self.doQuote(printer.ident), self.doQuote(jobid), self.doQuote(pagecounter), self.doQuote(action), self.doQuote(jobsize), self.doQuote(jobprice), self.doQuote(filename), self.doQuote(title), self.doQuote(copies), self.doQuote(options)))
517            else :   
518                self.doModify("INSERT INTO jobhistory (userid, printerid, jobid, pagecounter, action, filename, title, copies, options) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s)" % (self.doQuote(user.ident), self.doQuote(printer.ident), self.doQuote(jobid), self.doQuote(pagecounter), self.doQuote(action), self.doQuote(filename), self.doQuote(title), self.doQuote(copies), self.doQuote(options)))
519        else :       
520            # here we explicitly want to reset jobsize to NULL if needed
521            self.doModify("UPDATE jobhistory SET userid=%s, jobid=%s, pagecounter=%s, action=%s, jobsize=%s, jobprice=%s, filename=%s, title=%s, copies=%s, options=%s, jobdate=now() WHERE id=%s" % (self.doQuote(user.ident), self.doQuote(jobid), self.doQuote(pagecounter), self.doQuote(action), self.doQuote(jobsize), self.doQuote(jobprice), self.doQuote(filename), self.doQuote(title), self.doQuote(copies), self.doQuote(options), self.doQuote(printer.LastJob.ident)))
522           
523    def writeUserPQuotaLimits(self, userpquota, softlimit, hardlimit) :
524        """Sets soft and hard limits for a user quota."""
525        self.doModify("UPDATE userpquota SET softlimit=%s, hardlimit=%s, datelimit=NULL WHERE id=%s" % (self.doQuote(softlimit), self.doQuote(hardlimit), self.doQuote(userpquota.ident)))
526       
527    def writeGroupPQuotaLimits(self, grouppquota, softlimit, hardlimit) :
528        """Sets soft and hard limits for a group quota on a specific printer."""
529        self.doModify("UPDATE grouppquota SET softlimit=%s, hardlimit=%s, datelimit=NULL WHERE id=%s" % (self.doQuote(softlimit), self.doQuote(hardlimit), self.doQuote(grouppquota.ident)))
530
531    def writePrinterToGroup(self, pgroup, printer) :
532        """Puts a printer into a printer group."""
533        children = []
534        result = self.doSearch("SELECT printerid FROM printergroupsmembers WHERE groupid=%s" % self.doQuote(pgroup.ident))
535        if result :
536            for record in result :
537                children.append(record.get("printerid")) # TODO : put this into the database integrity rules
538        if printer.ident not in children :       
539            self.doModify("INSERT INTO printergroupsmembers (groupid, printerid) VALUES (%s, %s)" % (self.doQuote(pgroup.ident), self.doQuote(printer.ident)))
540       
541    def retrieveHistory(self, user=None, printer=None, datelimit=None, limit=100) :   
542        """Retrieves all print jobs for user on printer (or all) before date, limited to first 100 results."""
543        query = "SELECT * FROM jobhistory"
544        where = []
545        if (user is not None) and user.Exists :
546            where.append("userid=%s" % self.doQuote(user.ident))
547        if (printer is not None) and printer.Exists :
548            where.append("printerid=%s" % self.doQuote(printer.ident))
549        if datelimit is not None :   
550            where.append("jobdate<=%s" % self.doQuote(datelimit))
551        if where :   
552            query += " WHERE %s" % " AND ".join(where)
553        query += " ORDER BY id DESC"
554        if limit :
555            query += " LIMIT %s" % self.doQuote(int(limit))
556        jobs = []   
557        result = self.doSearch(query)   
558        if result :
559            for fields in result :
560                job = StorageJob(self)
561                job.ident = fields.get("id")
562                job.JobId = fields.get("jobid")
563                job.PrinterPageCounter = fields.get("pagecounter")
564                job.JobSize = fields.get("jobsize")
565                job.JobPrice = fields.get("jobprice")
566                job.JobAction = fields.get("action")
567                job.JobFileName = fields.get("filename")
568                job.JobTitle = fields.get("title")
569                job.JobCopies = fields.get("copies")
570                job.JobOptions = fields.get("options")
571                job.JobDate = fields.get("jobdate")
572                job.User = self.getUser(fields.get("userid"))
573                job.Printer = self.getPrinter(fields.get("printerid"))
574                job.Exists = 1
575                jobs.append(job)
576        return jobs
577       
578    def deleteUser(self, user) :   
579        """Completely deletes an user from the Quota Storage."""
580        # TODO : What should we do if we delete the last person who used a given printer ?
581        # TODO : we can't reassign the last job to the previous one, because next user would be
582        # TODO : incorrectly charged (overcharged).
583        for q in [ 
584                    "DELETE FROM groupsmembers WHERE userid=%s" % self.doQuote(user.ident),
585                    "DELETE FROM jobhistory WHERE userid=%s" % self.doQuote(user.ident),
586                    "DELETE FROM userpquota WHERE userid=%s" % self.doQuote(user.ident),
587                    "DELETE FROM users WHERE id=%s" % self.doQuote(user.ident),
588                  ] :
589            self.doModify(q)
590       
591    def deleteGroup(self, group) :   
592        """Completely deletes a group from the Quota Storage."""
593        for q in [
594                   "DELETE FROM groupsmembers WHERE groupid=%s" % self.doQuote(group.ident),
595                   "DELETE FROM grouppquota WHERE groupid=%s" % self.doQuote(group.ident),
596                   "DELETE FROM groups WHERE id=%s" % self.doQuote(group.ident),
597                 ] : 
598            self.doModify(q)
599       
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