| [9202] | 1 | ## $Id: batching.py 9208 2012-09-20 08:22:52Z uli $ |
|---|
| 2 | ## |
|---|
| 3 | ## Copyright (C) 2011 Uli Fouquet & Henrik Bettermann |
|---|
| 4 | ## This program is free software; you can redistribute it and/or modify |
|---|
| 5 | ## it under the terms of the GNU General Public License as published by |
|---|
| 6 | ## the Free Software Foundation; either version 2 of the License, or |
|---|
| 7 | ## (at your option) any later version. |
|---|
| 8 | ## |
|---|
| 9 | ## This program is distributed in the hope that it will be useful, |
|---|
| 10 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 11 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|---|
| 12 | ## GNU General Public License for more details. |
|---|
| 13 | ## |
|---|
| 14 | ## You should have received a copy of the GNU General Public License |
|---|
| 15 | ## along with this program; if not, write to the Free Software |
|---|
| 16 | ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|---|
| 17 | ## |
|---|
| 18 | """Batch processing components for hostels. |
|---|
| 19 | |
|---|
| 20 | """ |
|---|
| 21 | import grok |
|---|
| 22 | from zope.interface import Interface |
|---|
| 23 | from waeup.kofa.interfaces import IBatchProcessor, IGNORE_MARKER |
|---|
| 24 | from waeup.kofa.utils.batching import BatchProcessor |
|---|
| 25 | from waeup.kofa.hostels.interfaces import IHostel |
|---|
| 26 | |
|---|
| 27 | class HostelProcessor(BatchProcessor): |
|---|
| 28 | """A batch processor for IUserAccount objects. |
|---|
| 29 | """ |
|---|
| 30 | grok.implements(IBatchProcessor) |
|---|
| 31 | grok.provides(IBatchProcessor) |
|---|
| 32 | grok.context(Interface) |
|---|
| 33 | util_name = 'hostelprocessor' |
|---|
| 34 | grok.name(util_name) |
|---|
| 35 | |
|---|
| 36 | name = u'Hostel Processor' |
|---|
| 37 | iface = IHostel |
|---|
| 38 | |
|---|
| 39 | location_fields = ['hostel_id',] |
|---|
| 40 | factory_name = 'waeup.Hostel' |
|---|
| 41 | |
|---|
| 42 | mode = None |
|---|
| 43 | |
|---|
| 44 | def parentsExist(self, row, site): |
|---|
| 45 | return 'hostels' in site.keys() |
|---|
| 46 | |
|---|
| 47 | def entryExists(self, row, site): |
|---|
| 48 | return row['hostel_id'] in site['hostels'].keys() |
|---|
| 49 | |
|---|
| 50 | def getParent(self, row, site): |
|---|
| 51 | return site['hostels'] |
|---|
| 52 | |
|---|
| 53 | def getEntry(self, row, site): |
|---|
| 54 | if not self.entryExists(row, site): |
|---|
| 55 | return None |
|---|
| 56 | parent = self.getParent(row, site) |
|---|
| 57 | return parent.get(row['hostel_id']) |
|---|
| 58 | |
|---|
| 59 | def addEntry(self, obj, row, site): |
|---|
| 60 | parent = self.getParent(row, site) |
|---|
| 61 | parent.addHostel(obj) |
|---|
| 62 | return |
|---|
| 63 | |
|---|
| 64 | def updateEntry(self, obj, row, site): |
|---|
| 65 | """Update obj to the values given in row. |
|---|
| 66 | |
|---|
| 67 | Returns a string describing the fields changed. |
|---|
| 68 | """ |
|---|
| 69 | changed = [] |
|---|
| 70 | for key, value in row.items(): |
|---|
| 71 | # Skip fields to be ignored. |
|---|
| 72 | if value == IGNORE_MARKER: |
|---|
| 73 | continue |
|---|
| 74 | if not hasattr(obj, key): |
|---|
| 75 | continue |
|---|
| 76 | try: |
|---|
| 77 | evalvalue = eval(value) |
|---|
| 78 | if isinstance(evalvalue, list): |
|---|
| 79 | value = eval(value) |
|---|
| 80 | except: |
|---|
| 81 | pass |
|---|
| 82 | setattr(obj, key, value) |
|---|
| 83 | log_value = getattr(value, 'code', value) |
|---|
| 84 | changed.append('%s=%s' % (key, log_value)) |
|---|
| 85 | |
|---|
| 86 | # Log actions... |
|---|
| 87 | location_field = self.location_fields[0] |
|---|
| 88 | items_changed = ', '.join(changed) |
|---|
| 89 | grok.getSite()['hostels'].logger.info('%s - %s - Record updated: %s' |
|---|
| 90 | % (self.name, row[location_field], items_changed)) |
|---|
| 91 | return |
|---|
