7ec9bbdc15
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2387 fd906abe-77d9-0310-91a1-e0d9ade77398
133 lines
5.1 KiB
Python
133 lines
5.1 KiB
Python
#
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# Copyright (c) 2008 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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View classes for CSV export.
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$Id$
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"""
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import csv
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from cStringIO import StringIO
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import itertools
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from zope import component
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from zope.cachedescriptors.property import Lazy
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from cybertools.composer.interfaces import IInstance
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from cybertools.composer.schema.interfaces import ISchema
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from cybertools.stateful.interfaces import IStateful
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class RegistrationsExportCsv(object):
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encoding = 'ISO8859-15'
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def __init__(self, context, request):
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self.context = context
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self.request = request
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def setHeaders(self, size, filename=None):
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filename = filename or 'registrations.csv'
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response = self.request.response
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response.setHeader('Content-Disposition',
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'attachment; filename=%s' % filename)
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response.setHeader('Content-Type', 'text/x-comma-separated-values')
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response.setHeader('Content-Length', size)
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def getData(self):
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withTemporary = self.request.get('with_temporary')
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yield ['Service', 'Client ID', 'Organization', 'First Name', 'Last Name', 'E-Mail',
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'Number', 'State']
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for service in self.context.getServices():
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for clientName, reg in service.registrations.items():
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client = reg.client
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data = IInstance(client).applyTemplate()
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state = IStateful(reg).getStateObject()
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if state.name == 'temporary' and not withTemporary:
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continue
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yield [self.encode(service.title) or service.name,
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clientName,
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self.encode(data.get('standard.organization', '')),
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self.encode(data.get('standard.lastName', '')),
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self.encode(data.get('standard.firstName', '')),
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self.encode(data.get('standard.email', '')),
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reg.number,
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state.title
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]
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def getAllDataInColumns(self):
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""" Yield all data available, with a column for each service and
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columns for all data fields of all data templates.
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"""
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withTemporary = self.request.get('with_temporary')
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context = self.context
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services = context.getServices()
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schemas = [s for s in context.getClientSchemas() if ISchema.providedBy(s)]
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yield (['Client ID']
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+ list(itertools.chain(*[[self.encode(f.title)
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for f in s.fields]
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for s in schemas]))
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+ [self.encode(s.title) for s in services])
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clients = context.getClients()
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for name, client in clients.items():
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hasRegs = False
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regs = []
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for service in services:
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reg = service.registrations.get(name)
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if reg is None:
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regs.append(0)
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else:
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state = IStateful(reg).getStateObject()
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if state.name == 'temporary' and not withTemporary:
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regs.append(0)
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else:
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number = reg.number
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regs.append(reg.number)
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if number:
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hasRegs = True
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if not hasRegs:
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continue
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result = [name]
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for schema in schemas:
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instance = IInstance(client)
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instance.template = schema
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data = instance.applyTemplate()
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for f in schema.fields:
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result.append(self.encode(data.get(f.name, '')))
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result += regs
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yield result
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def render(self):
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methodName = self.request.get('get_data_method', 'getAllDataInColumns')
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method = getattr(self, methodName, self.getData)
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output = StringIO()
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csv.writer(output, dialect='excel', delimiter=';').writerows(method())
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result = output.getvalue()
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self.setHeaders(len(result))
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return result
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def render2(self):
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# using cybertools.reporter.resultset
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rs = self.getData() # should return a ResultSet
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result = rs.asCsv()
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self.setHeaders(len(result))
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return result
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def encode(self, text):
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if type(text) is unicode:
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text = text.encode(self.encoding)
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return text
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