# HG changeset patch
# User Brian Neal <bgneal@gmail.com>
# Date 1324429701 0
# Node ID 645025056dfa7a4893bfcba72736f584d2858790
# Parent  dd97341788fa9a21bba43e0c522b11601d24826d
Adding some management commands to the downloads application to help manage
the SG101 MP3 compilations. Added a command to generate a HTML report of all
the downloads in a given category. Added a command that generates a bash
script that wgets all the files in a category.

diff -r dd97341788fa -r 645025056dfa gpp/downloads/management/commands/dlcatreport.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gpp/downloads/management/commands/dlcatreport.py	Wed Dec 21 01:08:21 2011 +0000
@@ -0,0 +1,38 @@
+"""
+dlcatreport - a management command to produce a HTML report of all the downloads
+in a given category.
+
+"""
+from django.core.management.base import LabelCommand, CommandError
+from django.template.loader import render_to_string
+
+from downloads.models import Category, Download
+
+
+class Command(LabelCommand):
+    help = "Produce on standard output a report of all downloads in a category."
+    args = "category-slug"
+
+    def handle_label(self, slug, **options):
+        """
+        Render a template using the downloads in a given category and send it to
+        stdout.
+
+        """
+        try:
+            category = Category.objects.get(slug=slug)
+        except Category.DoesNotExist:
+            raise CommandError("category slug '%s' does not exist" % slug)
+
+        downloads = Download.public_objects.filter(category=category).order_by(
+                'title').select_related()
+
+        report = render_to_string('downloads/commands/category_report.html', {
+            'category': category,
+            'downloads': downloads,
+            })
+
+        # encode it ourselves since it can fail if you try to redirect output to
+        # a file and any of the content is not ASCII...
+        print report.encode('utf-8')
+
diff -r dd97341788fa -r 645025056dfa gpp/downloads/management/commands/dlwgetcat.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gpp/downloads/management/commands/dlwgetcat.py	Wed Dec 21 01:08:21 2011 +0000
@@ -0,0 +1,57 @@
+"""
+dlwgetcat - a management command to produce a bash script that wgets all the
+files in a given category.
+
+"""
+import os.path
+
+from django.core.management.base import LabelCommand, CommandError
+from django.template.loader import render_to_string
+from django.template.defaultfilters import slugify
+from django.contrib.sites.models import Site
+from django.conf import settings
+
+from downloads.models import Category, Download
+
+
+class Command(LabelCommand):
+    help = ("Produce on standard output a bash script that wgets all the files"
+            " in a category. The files are downloaded with a slugified name.")
+    
+    args = "category-slug"
+
+    def handle_label(self, slug, **options):
+        """
+        Render a template using the downloads in a given category and send it to
+        stdout.
+
+        """
+        try:
+            category = Category.objects.get(slug=slug)
+        except Category.DoesNotExist:
+            raise CommandError("category slug '%s' does not exist" % slug)
+
+        downloads = Download.public_objects.filter(category=category).order_by(
+                'title').select_related()
+
+        current_site = Site.objects.get_current()
+
+        # Create new destination names for the files since the uploaders often
+        # give the files terrible names. The new names will be slugified
+        # versions of the titles, with the same extension.
+
+        for dl in downloads:
+            ext = os.path.splitext(dl.file.name)[1]
+            dl.dest_filename = slugify(dl.title) + ext
+
+            # build a full URL to the download
+            dl.full_url = 'http://%s%s%s' % (current_site.domain,
+                    settings.MEDIA_URL, dl.file.name)
+
+        output = render_to_string('downloads/commands/wget_cat.html', {
+            'downloads': downloads,
+            })
+
+        # encode it ourselves since it can fail if you try to redirect output to
+        # a file and any of the content is not ASCII...
+        print output.encode('utf-8')
diff -r dd97341788fa -r 645025056dfa gpp/templates/downloads/commands/category_report.html
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gpp/templates/downloads/commands/category_report.html	Wed Dec 21 01:08:21 2011 +0000
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="en">
+   <head>
+      <title>Download Report: {{ category.title }}</title>
+   </head>
+   <body>
+      <h1>Download Report: {{ category.title }}</h1>
+      {% for dl in downloads %}
+         <h2>{{ dl.title }}</h2>
+         <p><em>Uploaded by {{ dl.user.username }}.</em></p>
+         <div>{{ dl.html|safe }}</div>
+      {% endfor %}
+   </body>
+</html>
diff -r dd97341788fa -r 645025056dfa gpp/templates/downloads/commands/wget_cat.html
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gpp/templates/downloads/commands/wget_cat.html	Wed Dec 21 01:08:21 2011 +0000
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+{% for dl in downloads %}
+wget -O {{ dl.dest_filename }} {{ dl.full_url }}
+{% endfor %}