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# Patchwork - automated patch tracking system
# Copyright (C) 2008 Jeremy Kerr <jk@ozlabs.org>
#
# This file is part of the Patchwork package.
#
# Patchwork 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.
#
# Patchwork 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 Patchwork; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from patchwork.models import Person, State
from django.utils.safestring import mark_safe
from django.utils.html import escape
from django.contrib.auth.models import User
from urllib import quote
class Filter(object):
def __init__(self, filters):
self.filters = filters
self.applied = False
self.forced = False
def name(self):
"""The 'name' of the filter, to be displayed in the filter UI"""
return self.name
def condition(self):
"""The current condition of the filter, to be displayed in the
filter UI"""
return self.key
def key(self):
"""The key for this filter, to appear in the querystring. A key of
None will remove the param=ley pair from the querystring."""
return None
def set_status(self, *kwargs):
"""Views can call this to force a specific filter status. For example,
a user's todo page needs to setup the delegate filter to show
that user's delegated patches"""
pass
def parse(self, dict):
if self.param not in dict.keys():
return
self._set_key(dict[self.param])
def url_without_me(self):
return self.filters.querystring_without_filter(self)
def form_function(self):
return 'function(form) { return "unimplemented" }'
def form(self):
if self.forced:
return mark_safe('<input type="hidden" value="%s">%s' % (self.param,
self.condition()))
return self.condition()
return self._form()
def kwargs(self):
return {}
def __str__(self):
return '%s: %s' % (self.name, self.kwargs())
class SubmitterFilter(Filter):
param = 'submitter'
def __init__(self, filters):
super(SubmitterFilter, self).__init__(filters)
self.name = 'Submitter'
self.person = None
self.person_match = None
def _set_key(self, str):
self.person = None
self.person_match = None
submitter_id = None
try:
submitter_id = int(str)
except ValueError:
pass
except:
return
if submitter_id:
self.person = Person.objects.get(id = int(str))
self.applied = True
return
people = Person.objects.filter(name__icontains = str)
if not people:
return
self.person_match = str
self.applied = True
def kwargs(self):
if self.person:
user = self.person.user
if user:
return {'submitter__in':
Person.objects.filter(user = user).values('pk').query}
return {'submitter': self.person}
if self.person_match:
return {'submitter__name__icontains': self.person_match}
return {}
def condition(self):
if self.person:
return self.person.name
elif self.person_match:
return self.person_match
return ''
def _form(self):
name = ''
if self.person:
name = self.person.name
return mark_safe(('<input onKeyUp="submitter_field_change(this)" ' +
'name="submitter" id="submitter_input" ' +
'value="%s"> ' % escape(name)) +
'<select id="submitter_select" ' +
'disabled="true"></select>')
def key(self):
if self.person:
return self.person.id
return self.person_match
class StateFilter(Filter):
param = 'state'
any_key = '*'
action_req_str = 'Action Required'
def __init__(self, filters):
super(StateFilter, self).__init__(filters)
self.name = 'State'
self.state = None
self.applied = True
def _set_key(self, str):
self.state = None
if str == self.any_key:
self.applied = False
return
try:
self.state = State.objects.get(id=int(str))
except:
return
self.applied = True
def kwargs(self):
if self.state is not None:
return {'state': self.state}
else:
return {'state__in': \
State.objects.filter(action_required = True) \
.values('pk').query}
def condition(self):
if self.state:
return self.state.name
return self.action_req_str
def key(self):
if self.state is not None:
return self.state.id
if not self.applied:
return '*'
return None
def _form(self):
str = '<select name="%s">' % self.param
selected = ''
if not self.applied:
selected = 'selected'
str += '<option %s value="%s">any</option>' % (selected, self.any_key)
selected = ''
if self.applied and self.state == None:
selected = 'selected'
str += '<option %s value="">%s</option>' % \
(selected, self.action_req_str)
for state in State.objects.all():
selected = ''
if self.state and self.state == state:
selected = ' selected="true"'
str += '<option value="%d" %s>%s</option>' % \
(state.id, selected, state.name)
str += '</select>'
return mark_safe(str);
def form_function(self):
return 'function(form) { return form.x.value }'
def url_without_me(self):
qs = self.filters.querystring_without_filter(self)
if qs != '?':
qs += '&'
return qs + '%s=%s' % (self.param, self.any_key)
class SearchFilter(Filter):
param = 'q'
def __init__(self, filters):
super(SearchFilter, self).__init__(filters)
self.name = 'Search'
self.param = 'q'
self.search = None
def _set_key(self, str):
str = str.strip()
if str == '':
return
self.search = str
self.applied = True
def kwargs(self):
return {'name__icontains': self.search}
def condition(self):
return self.search
def key(self):
return self.search
def _form(self):
value = ''
if self.search:
value = escape(self.search)
return mark_safe('<input name="%s" value="%s">' %\
(self.param, value))
def form_function(self):
return mark_safe('function(form) { return form.x.value }')
class ArchiveFilter(Filter):
param = 'archive'
def __init__(self, filters):
super(ArchiveFilter, self).__init__(filters)
self.name = 'Archived'
self.archive_state = False
self.applied = True
self.param_map = {
True: 'true',
False: '',
None: 'both'
}
self.description_map = {
True: 'Yes',
False: 'No',
None: 'Both'
}
def _set_key(self, str):
self.archive_state = False
self.applied = True
for (k, v) in self.param_map.iteritems():
if str == v:
self.archive_state = k
if self.archive_state == None:
self.applied = False
def kwargs(self):
if self.archive_state == None:
return {}
return {'archived': self.archive_state}
def condition(self):
return self.description_map[self.archive_state]
def key(self):
if self.archive_state == False:
return None
return self.param_map[self.archive_state]
def _form(self):
s = ''
for b in [False, True, None]:
label = self.description_map[b]
selected = ''
if self.archive_state == b:
selected = 'checked="true"'
s += ('<input type="radio" name="%(param)s" ' + \
'%(selected)s value="%(value)s">%(label)s' + \
' ') % \
{'label': label,
'param': self.param,
'selected': selected,
'value': self.param_map[b]
}
return mark_safe(s)
def url_without_me(self):
qs = self.filters.querystring_without_filter(self)
if qs != '?':
qs += '&'
return qs + 'archive=both'
class DelegateFilter(Filter):
param = 'delegate'
no_delegate_key = '-'
no_delegate_str = 'Nobody'
AnyDelegate = 1
def __init__(self, filters):
super(DelegateFilter, self).__init__(filters)
self.name = 'Delegate'
self.param = 'delegate'
self.delegate = None
def _set_key(self, str):
if str == self.no_delegate_key:
self.applied = True
self.delegate = None
return
applied = False
try:
self.delegate = User.objects.get(id = str)
self.applied = True
except:
pass
def kwargs(self):
if not self.applied:
return {}
return {'delegate': self.delegate}
def condition(self):
if self.delegate:
return self.delegate.get_profile().name()
return self.no_delegate_str
def _form(self):
delegates = User.objects.filter(userprofile__maintainer_projects =
self.filters.project)
str = '<select name="delegate">'
selected = ''
if not self.applied:
selected = 'selected'
str += '<option %s value="">------</option>' % selected
selected = ''
if self.applied and self.delegate is None:
selected = 'selected'
str += '<option %s value="%s">%s</option>' % \
(selected, self.no_delegate_key, self.no_delegate_str)
for d in delegates:
selected = ''
if d == self.delegate:
selected = ' selected'
str += '<option %s value="%s">%s</option>' % (selected,
d.id, d.get_profile().name())
str += '</select>'
return mark_safe(str)
def key(self):
if self.delegate:
return self.delegate.id
if self.applied:
return self.no_delegate_key
return None
def set_status(self, *args, **kwargs):
if 'delegate' in kwargs:
self.applied = self.forced = True
self.delegate = kwargs['delegate']
if self.AnyDelegate in args:
self.applied = False
self.forced = True
filterclasses = [SubmitterFilter, \
StateFilter,
SearchFilter,
ArchiveFilter,
DelegateFilter]
class Filters:
def __init__(self, request):
self._filters = map(lambda c: c(self), filterclasses)
self.dict = request.GET
self.project = None
for f in self._filters:
f.parse(self.dict)
def set_project(self, project):
self.project = project
def filter_conditions(self):
kwargs = {}
for f in self._filters:
if f.applied:
kwargs.update(f.kwargs())
return kwargs
def apply(self, queryset):
kwargs = self.filter_conditions()
if not kwargs:
return queryset
return queryset.filter(**kwargs)
def params(self):
return [ (f.param, f.key()) for f in self._filters \
if f.key() is not None ]
def querystring(self, remove = None):
params = dict(self.params())
for (k, v) in self.dict.iteritems():
if k not in params:
params[k] = v
if remove is not None:
if remove.param in params.keys():
del params[remove.param]
return '?' + '&'.join(['%s=%s' % (quote(k), quote(v))
for (k,v) in params.iteritems()])
def querystring_without_filter(self, filter):
return self.querystring(filter)
def applied_filters(self):
return filter(lambda x: x.applied, self._filters)
def available_filters(self):
return self._filters
def set_status(self, filterclass, *args, **kwargs):
for f in self._filters:
if isinstance(f, filterclass):
f.set_status(*args, **kwargs)
return
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