* added app 'archive' to provides downloads

  o models: Archive, ArchiveCategory
  o views: ArchiveView based on TemplateView
  o template: archive.html
  o sidebar: sidebar.js, sidebar.css

8 files changed, 208 insertions, 0 deletions

diff --git a/archive/README.txt b/archive/README.txt
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+++ b/archive/README.txt
@@ -0,0 +1,4 @@
+App archive
+
+This app deals with uploaded documents and provides downloads.
+
diff --git a/archive/__init__.py b/archive/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/archive/__init__.py
diff --git a/archive/admin.py b/archive/admin.py
new file mode 100644
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--- /dev/null
+++ b/archive/admin.py
@@ -0,0 +1,11 @@
+# -*- coding: utf-8 -*-
+
+from django.contrib import admin
+
+from archive.models import Archive, ArchiveCategory
+
+
+## register to admin
+admin.site.register(Archive)
+admin.site.register(ArchiveCategory)
+
diff --git a/archive/models.py b/archive/models.py
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+++ b/archive/models.py
@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+
+from django.db import models
+from django.contrib.auth.models import User
+from django.contrib.contenttypes.models import ContentType
+from django.contrib.contenttypes import generic
+from django.utils.translation import ugettext_lazy as _
+
+from django.db.models.signals import pre_delete
+
+from account.extra import OverwriteStorage, file_cleanup
+
+
+class Archive(models.Model):
+    """
+    model 'Archive' to record uploaded files and provide downloads
+    """
+    title = models.CharField(_("Title"), max_length=100)
+    pubtime = models.DateTimeField(_("Publish time"), auto_now_add=True)
+    category = models.ForeignKey('ArchiveCategory', verbose_name=_("Category"))
+    publisher = models.ForeignKey(User, verbose_name=_("Publisher"))
+    description = models.TextField(_("Description"))
+    file = models.FileField(verbose_name=_("File"),
+            upload_to=lambda instance, filename: u'archive/cat{0}/{1}'.format(instance.category.id, filename),
+            storage=OverwriteStorage())
+
+    class Meta:
+        verbose_name = _('archive')
+        verbose_name_plural = _('archives')
+        ordering = ['category', '-pubtime', 'id']
+
+    def __unicode__(self):
+        return u'Archive %s: %s' % (self.category.name, self.title)
+
+    def show_pubtime(self):
+        # used in 'list_notice.html' template
+        return self.pubtime.strftime('%Y-%m-%d')
+
+    def save(self, *args, **kwargs):
+        """
+        overwrite the original save method to delete old file
+        """
+        if not self.pk:
+            # -> create
+            return super(type(self), self).save(*args, **kwargs)
+        # already exists -> edit
+        old_obj = type(self).objects.get(pk=self.pk)
+        result = super(type(self), self).save(*args, **kwargs)
+        # if the path is the same, the file is overwritten already
+        if old_obj.file.name:
+            # old_obj has file
+            if not self.file.name:
+                # new object has no file
+                old_obj.file.delete(save=False)
+            elif old_obj.file.path != self.file.path:
+                # new object has file, and differ from old_obj
+                old_obj.file.delete(save=False)
+        #
+        return result
+
+
+class ArchiveCategory(models.Model):
+    """
+    model 'NoticeCategory' to provide category selections for 'Notice'
+    """
+    name = models.CharField(_("Category name"), max_length=100)
+    created_at = models.DateTimeField(_("Created time"), auto_now_add=True)
+
+    class Meta:
+        verbose_name = _('archive category')
+        verbose_name_plural = _('archive categories')
+
+    def __unicode__(self):
+        return u'ArchiveCategory: %s' % self.name
+
+
+### connect to signal and sender
+pre_delete.connect(file_cleanup, sender=Archive)
+
diff --git a/archive/templates/archive/archive.html b/archive/templates/archive/archive.html
new file mode 100644
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--- /dev/null
+++ b/archive/templates/archive/archive.html
@@ -0,0 +1,67 @@
+{% extends 'base.html' %}
+{% load staticfiles %}
+{% load url from future %}
+{% load i18n %}
+{% load bootstrap3 %}
+
+{# template to show notice list #}
+
+{% block title %}
+资料下载 | 2014 SKA Summer School
+{% endblock %}
+
+{% block css_extra %}
+  <link href="{% static 'css/sidebar.css' %}" rel="stylesheet">
+{% endblock %}
+
+{% block content %}
+  <div class="container">
+    <h2>资料下载</h2>
+    <hr>
+  </div>
+
+  <div class="container">
+    {% if archive_empty %}
+    <div class="alert alert-info">
+      暂无资料提供下载……
+    </div>
+    {% else %}
+    <div class="row">
+    <div class="col-md-10" id="content-col">
+    {# archive contents #}
+    {% for category in archive_categories %}
+      <h3 id="cat{{ category.id }}">{{ category.name }}</h3>
+      <table class="table table-stripped table-bordered table-hover">
+      {% with archives=category.archive_set.all %}
+      {% for archive in archives %}
+      <tr>
+        <th class="col-md-3"><a href="{{ archive.file.url }}">{{ archive.title }}</a></th>
+        <td class="col-md-7">{{ archive.description }}</td>
+      </tr>
+      {% empty %}
+      <tr class="warning">
+        <td>暂无该类资料可供下载</td>
+      </tr>
+      {% endfor %}
+      {% endwith %}
+      </table>
+    {% endfor %}
+    </div>
+    <div class="col-md-2" id="sidebar-col">
+    {# archive sidebar #}
+    <ul class="nav nav-stacked" id="sidebar">
+    {% for category in archive_categories %}
+      <li><a href="#cat{{ category.id }}">{{ category.name }}</a></li>
+    {% endfor %}
+    </ul>
+    </div>
+    </div>
+    {% endif %}
+  </div>
+{% endblock %}
+
+{% block js_extra %}
+  <script src="{% static 'js/sidebar.js' %}" type="text/javascript"></script>
+{% endblock %}
+
+{# vim: set ts=8 sw=2 tw=0 fenc=utf-8 ft=htmldjango.html: #}
diff --git a/archive/tests.py b/archive/tests.py
new file mode 100644
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--- /dev/null
+++ b/archive/tests.py
@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.
diff --git a/archive/urls.py b/archive/urls.py
new file mode 100644
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--- /dev/null
+++ b/archive/urls.py
@@ -0,0 +1,16 @@
+# -*- coding: utf-8 -*-
+#
+# urls.py for app 'page'
+#
+
+from django.conf.urls import patterns, include, url
+
+from archive.views import ArchiveView
+
+
+urlpatterns = patterns('',
+    # notice list view
+    url(r'^archive/all$', ArchiveView.as_view(),
+        name='archive_all'),
+)
+
diff --git a/archive/views.py b/archive/views.py
new file mode 100644
index 0000000..eec7d36
--- /dev/null
+++ b/archive/views.py
@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+
+from django.shortcuts import render
+from django.views.generic.base import TemplateView
+
+from archive.models import Archive, ArchiveCategory
+
+
+class ArchiveView(TemplateView):
+    """
+    class-based view to show archives
+    """
+    template_name = 'archive/archive.html'
+
+    def get_context_data(self, **kwargs):
+        """
+        add 'user' context
+        """
+        context = super(type(self), self).get_context_data(**kwargs)
+        archive_categories = ArchiveCategory.objects.all()
+        if Archive.objects.all():
+            archive_empty = False
+        else:
+            archive_empty = True
+        context['archive_categories'] = archive_categories
+        context['archive_empty'] = archive_empty
+        return context
+