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from datetime import datetime
import json
from pytz import utc
from django import forms
from django.contrib.auth.models import User
from django.db.models import Q
from django.http import HttpResponse
from django.views.generic import ListView
from main.models import Package, Arch, Repo
from main.utils import make_choice
from ..models import PackageRelation
from ..utils import attach_maintainers, PackageJSONEncoder
def coerce_limit_value(value):
if not value:
return None
if value == 'all':
# negative value indicates show all results
return -1
value = int(value)
if value < 0:
raise ValueError
return value
class LimitTypedChoiceField(forms.TypedChoiceField):
def valid_value(self, value):
try:
coerce_limit_value(value)
return True
except (ValueError, TypeError):
return False
class PackageSearchForm(forms.Form):
repo = forms.MultipleChoiceField(required=False)
arch = forms.MultipleChoiceField(required=False)
name = forms.CharField(required=False)
desc = forms.CharField(required=False)
q = forms.CharField(required=False)
sort = forms.CharField(required=False, widget=forms.HiddenInput())
maintainer = forms.ChoiceField(required=False)
packager = forms.ChoiceField(required=False)
flagged = forms.ChoiceField(
choices=[('', 'All')] + make_choice(['Flagged', 'Not Flagged']),
required=False)
limit = LimitTypedChoiceField(
choices=make_choice([50, 100, 250]) + [('all', 'All')],
coerce=coerce_limit_value,
required=False,
initial=50)
def __init__(self, *args, **kwargs):
show_staging = kwargs.pop('show_staging', False)
super(PackageSearchForm, self).__init__(*args, **kwargs)
repos = Repo.objects.all()
if not show_staging:
repos = repos.filter(staging=False)
self.fields['repo'].choices = make_choice(
[repo.name for repo in repos])
self.fields['arch'].choices = make_choice(
[arch.name for arch in Arch.objects.all()])
self.fields['q'].widget.attrs.update({"size": "30"})
maints = User.objects.filter(is_active=True).order_by(
'first_name', 'last_name')
self.fields['maintainer'].choices = \
[('', 'All'), ('orphan', 'Orphan')] + \
[(m.username, m.get_full_name()) for m in maints]
self.fields['packager'].choices = \
[('', 'All'), ('unknown', 'Unknown')] + \
[(m.username, m.get_full_name()) for m in maints]
def parse_form(form, packages):
if form.cleaned_data['repo']:
packages = packages.filter(
repo__name__in=form.cleaned_data['repo'])
if form.cleaned_data['arch']:
packages = packages.filter(
arch__name__in=form.cleaned_data['arch'])
if form.cleaned_data['maintainer'] == 'orphan':
inner_q = PackageRelation.objects.all().values('pkgbase')
packages = packages.exclude(pkgbase__in=inner_q)
elif form.cleaned_data['maintainer']:
inner_q = PackageRelation.objects.filter(
user__username=form.cleaned_data['maintainer']).values('pkgbase')
packages = packages.filter(pkgbase__in=inner_q)
if form.cleaned_data['packager'] == 'unknown':
packages = packages.filter(packager__isnull=True)
elif form.cleaned_data['packager']:
packages = packages.filter(
packager__username=form.cleaned_data['packager'])
if form.cleaned_data['flagged'] == 'Flagged':
packages = packages.filter(flag_date__isnull=False)
elif form.cleaned_data['flagged'] == 'Not Flagged':
packages = packages.filter(flag_date__isnull=True)
if form.cleaned_data['name']:
name = form.cleaned_data['name']
packages = packages.filter(pkgname=name)
if form.cleaned_data['desc']:
desc = form.cleaned_data['desc']
packages = packages.filter(pkgdesc__icontains=desc)
if form.cleaned_data['q']:
query = form.cleaned_data['q']
q = Q(pkgname__icontains=query) | Q(pkgdesc__icontains=query)
packages = packages.filter(q)
return packages
class SearchListView(ListView):
template_name = "packages/search.html"
sort_fields = ("arch", "repo", "pkgname", "pkgbase", "compressed_size",
"installed_size", "build_date", "last_update", "flag_date")
allowed_sort = list(sort_fields) + ["-" + s for s in sort_fields]
def get(self, request, *args, **kwargs):
self.form = PackageSearchForm(data=request.GET,
show_staging=self.request.user.is_authenticated())
return super(SearchListView, self).get(request, *args, **kwargs)
def get_queryset(self):
packages = Package.objects.normal()
if not self.request.user.is_authenticated():
packages = packages.filter(repo__staging=False)
if self.form.is_valid():
packages = parse_form(self.form, packages)
sort = self.form.cleaned_data['sort']
if sort in self.allowed_sort:
packages = packages.order_by(sort)
else:
packages = packages.order_by('pkgname')
return packages
# Form had errors so don't return any results
return Package.objects.none()
def get_paginate_by(self, queryset):
limit = 50
if self.form.is_valid():
asked_limit = self.form.cleaned_data['limit']
if asked_limit and asked_limit < 0:
limit = None
elif asked_limit:
limit = asked_limit
return limit
def get_context_data(self, **kwargs):
context = super(SearchListView, self).get_context_data(**kwargs)
context['current_query'] = self.request.GET.urlencode()
context['search_form'] = self.form
return context
def search_json(request):
limit = 250
container = {
'version': 2,
'limit': limit,
'valid': False,
'results': [],
}
if request.GET:
form = PackageSearchForm(data=request.GET,
show_staging=request.user.is_authenticated())
if form.is_valid():
packages = Package.objects.select_related('arch', 'repo',
'packager')
if not request.user.is_authenticated():
packages = packages.filter(repo__staging=False)
packages = parse_form(form, packages)[:limit]
packages = packages.prefetch_related('groups', 'licenses',
'conflicts', 'provides', 'replaces', 'depends')
attach_maintainers(packages)
container['results'] = packages
container['valid'] = True
to_json = json.dumps(container, ensure_ascii=False, cls=PackageJSONEncoder)
return HttpResponse(to_json, content_type='application/json')
# vim: set ts=4 sw=4 et:
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