bgneal@527: """
bgneal@527: dlcatreport - a management command to produce a HTML report of all the downloads
bgneal@527: in a given category.
bgneal@527: 
bgneal@527: """
bgneal@634: from optparse import make_option
bgneal@634: 
bgneal@1188: from django.core import serializers
bgneal@527: from django.core.management.base import LabelCommand, CommandError
bgneal@527: from django.template.loader import render_to_string
bgneal@527: 
bgneal@527: from downloads.models import Category, Download
bgneal@527: 
bgneal@527: 
bgneal@527: class Command(LabelCommand):
bgneal@527:     help = "Produce on standard output a report of all downloads in a category."
bgneal@527:     args = "category-slug"
bgneal@527: 
bgneal@634:     option_list = LabelCommand.option_list + (
bgneal@634:             make_option('--titles-only',
bgneal@634:                 action='store_true',
bgneal@634:                 default=False,
bgneal@634:                 help='Output a text listing of titles only'),
bgneal@1188:             make_option('--json',
bgneal@1188:                 action='store_true',
bgneal@1188:                 default=False,
bgneal@1188:                 help='Output downloads in JSON format'),
bgneal@634:             )
bgneal@634: 
bgneal@527:     def handle_label(self, slug, **options):
bgneal@527:         """
bgneal@527:         Render a template using the downloads in a given category and send it to
bgneal@527:         stdout.
bgneal@527: 
bgneal@527:         """
bgneal@527:         try:
bgneal@527:             category = Category.objects.get(slug=slug)
bgneal@527:         except Category.DoesNotExist:
bgneal@527:             raise CommandError("category slug '%s' does not exist" % slug)
bgneal@527: 
bgneal@527:         downloads = Download.public_objects.filter(category=category).order_by(
bgneal@527:                 'title').select_related()
bgneal@527: 
bgneal@634:         if options.get('titles_only'):
bgneal@684:             self.print_titles(downloads)
bgneal@634:             return
bgneal@634: 
bgneal@1188:         if options.get('json'):
bgneal@1188:             self.print_json(downloads)
bgneal@1188:             return
bgneal@1188: 
bgneal@527:         report = render_to_string('downloads/commands/category_report.html', {
bgneal@527:             'category': category,
bgneal@527:             'downloads': downloads,
bgneal@527:             })
bgneal@527: 
bgneal@874:         self.stdout.write(report)
bgneal@527: 
bgneal@684:     def print_titles(self, dls):
bgneal@684:         """Print out the download titles"""
bgneal@684: 
bgneal@684:         for dl in dls:
bgneal@874:             self.stdout.write(dl.title)
bgneal@684: 
bgneal@1188:     def print_json(self, dls):
bgneal@1188:         """Output downloads in JSON format"""
bgneal@1188:         data = serializers.serialize('json', dls)
bgneal@1188:         self.stdout.write(data)
bgneal@684: 
bgneal@1188: