added blog application

conf/requirements.pip

@@ -9,4 +9,6 @@ django-debug-toolbar==0.9.4
 nltk==2.0.3
 numpy==1.6.2
 south==0.7.6
-lettuce==0.2.12
+lettuce==0.2.12
+django-markitup==1.0.0
+markdown==2.2.0

web/dbpatterns/blog/admin.py

@@ -0,0 +1,25 @@
+from django.contrib import admin
+from django.utils.translation import ugettext_lazy as _
+
+from blog.models import Post
+
+
+class PostAdmin(admin.ModelAdmin):
+    list_display = ["title", "slug", "is_published"]
+    list_filter = ["is_published"]
+    search_fields = ["title", "slug", "content"]
+    actions = ["publish", "mark_as_draft"]
+    prepopulated_fields = {
+        "slug": ("title", )
+    }
+
+    def publish(self, request, qs):
+        qs.update(is_published=True)
+    publish.short_description = _("Publish selected posts")
+
+    def mark_as_draft(self, request, qs):
+        qs.update(is_published=False)
+    mark_as_draft.short_description = _("Mark as draft selected posts")
+
+
+admin.site.register(Post, PostAdmin)

web/dbpatterns/blog/models.py

@@ -0,0 +1,37 @@
+from django.db import models
+from django.utils.encoding import smart_unicode
+from django.utils.translation import ugettext_lazy as _
+
+from markitup.fields import MarkupField
+
+class PublishedManager(models.Manager):
+    """
+    Returns published blog posts.
+    """
+    def get_query_set(self):
+        return super(PublishedManager, self).get_query_set()\
+                                    .filter(is_published=True)
+
+class Post(models.Model):
+    """
+    Holds blog post data.
+    """
+    title = models.CharField(_("Name"), max_length=255)
+    slug = models.SlugField(_("Slug"), max_length=255, unique=True)
+    content = MarkupField(_("Content"))
+    date_created = models.DateTimeField(auto_now_add=True)
+    date_modified = models.DateTimeField(auto_now=True, auto_now_add=True)
+    is_published = models.BooleanField(_("Published"), default=True)
+
+    objects = models.Manager()
+    published_objects = PublishedManager()
+
+    class Meta:
+        ordering = ("-date_created", )
+
+    def __unicode__(self):
+        return smart_unicode(self.title)
+
+    @models.permalink
+    def get_absolute_url(self):
+        return "blog_detail", [self.slug]

web/dbpatterns/blog/sitemaps.py

@@ -0,0 +1,14 @@
+from django.contrib.sitemaps import Sitemap
+
+from blog.models import Post
+
+
+class BlogSitemap(Sitemap):
+    changefreq = "never"
+    priority = 0.9
+
+    def items(self):
+        return Post.published_objects.all()
+
+    def lastmod(self, obj):
+        return obj.date_modified

web/dbpatterns/blog/urls.py

@@ -0,0 +1,26 @@
+from django.conf.urls import patterns, url
+
+from blog.sitemaps import BlogSitemap
+from blog.views import BlogDetailView, BlogIndexView, \
+                        BlogPostsRssFeed, BlogPostsAtomFeed
+
+
+urlpatterns = patterns('',
+
+    # blog urls
+    url(r'^$', BlogIndexView.as_view(), name="blog"),
+    url(r'^(?P<slug>[-\w]+)/$', BlogDetailView.as_view(), name="blog_detail"),
+
+    # rss & atom feed
+    url(r'^feed/rss$', BlogPostsRssFeed(), name="blog_rss_feed"),
+    url(r'^feed/atom', BlogPostsAtomFeed(), name="blog_atom_feed"),
+
+    # sitemap
+    url(r'^sitemap\.xml$', 'django.contrib.sitemaps.views.sitemap',
+        {'sitemaps': {
+            "blog": BlogSitemap()
+        }}, name="blog_sitemap"),
+
+)
+
+

web/dbpatterns/blog/views.py

@@ -0,0 +1,46 @@
+from django.conf import settings
+from django.contrib.syndication.views import Feed
+from django.utils.feedgenerator import Atom1Feed
+from django.views.generic import ListView
+from django.views.generic.detail import DetailView
+
+from blog.models import Post
+
+
+class BlogIndexView(ListView):
+    template_name="blog/index.html"
+    queryset = Post.published_objects.all()
+    context_object_name = "posts"
+    paginate_by = 30
+
+class BlogDetailView(DetailView):
+    template_name= "blog/detail.html"
+    model = Post
+    context_object_name = "post"
+
+    def get_queryset(self):
+        if self.request.user.is_superuser:
+            return self.model.objects.all()
+        return self.model.published_objects.all()
+
+class BlogPostsRssFeed(Feed):
+    title = settings.BLOG_FEED_TITLE
+    link = settings.BLOG_URL
+    description = settings.BLOG_FEED_DESCRIPTION
+
+    def items(self):
+        return Post.objects.all()[:20]
+
+    def item_description(self, post):
+        return post.content
+
+    def item_pubdate(self, post):
+        return post.date_created
+
+    def item_categories(self, post):
+        return [tag.name for tag in post.tags.all()]
+
+
+class BlogPostsAtomFeed(BlogPostsRssFeed):
+    feed_type = Atom1Feed
+    subtitle = settings.BLOG_FEED_DESCRIPTION

web/dbpatterns/dbpatterns/settings.py

@@ -118,6 +118,7 @@
     'profiles',
     'newsfeed',
     'notifications',
+    'blog',
 )
 
 TEMPLATE_CONTEXT_PROCESSORS = (
@@ -222,10 +223,18 @@
 }
 
 # Testing
-
 LETTUCE_SERVER_PORT = 7000
 SOUTH_TESTS_MIGRATE = False
 
+# Markitup Settings
+MARKITUP_SET = 'markitup/sets/markdown'
+MARKITUP_FILTER = ('markdown.markdown', {'safe_mode': False})
+
+# Blog Settings
+BLOG_FEED_TITLE = "Dbpatterns Blog"
+BLOG_FEED_DESCRIPTION = "News about dbpatterns"
+BLOG_URL = "http://dbpatterns.com/blog/"
+
 try:
     from settings_local import *
 except ImportError:

web/dbpatterns/dbpatterns/static/css/screen.css

@@ -1628,6 +1628,122 @@ article.tabs section {
     }
 
 
+/* News */
+
+ul.news {
+    background-color: rgba(95, 245, 227, 0.22);
+    padding: 10px 10px;
+    font-size: 17px;
+}
+    .news li {
+        list-style-type: none;
+    }
+
+/* Blog */
+
+article.post {
+    margin-top: 20px;
+    padding-top: 10px;
+}
+
+    article.post aside {
+        overflow: hidden;
+    }
+
+    article.post time {
+        font-size: 25px;
+        color: #fff;
+        letter-spacing: -1px;
+        background-color: #86e497;
+        padding: 4px 10px;
+        float: left;
+    }
+
+    article.post h3 {
+        margin: -5px 0 0;
+        font-size: 35px;
+        letter-spacing: -1px;
+        background-color: #f6f6f6;
+        padding: 3px 20px;
+        display: inline-block;
+
+    }
+
+        article.post h3 a {
+            color: #5b5b5b;
+            text-decoration: none;
+        }
+
+    article.post section {
+        font-size: 20px;
+        width: 550px;
+        background-color: white;
+        padding: 0 10px;
+        margin: 0;
+
+    }
+
+        article.post section p {
+            padding: 20px 20px 10px 10px;
+            margin: 0;
+            color: #717171;
+            line-height: 28px;
+            word-spacing: -0.05em;
+            font-size: 16px;
+        }
+
+    article.comments {
+        margin-top: 20px;
+        background-color: white;
+        padding: 15px 10px;
+
+    }
+
+/* Donation */
+
+aside.donation {
+    position: absolute;
+    width: 250px;
+    padding: 20px 20px 14px;
+    background-color: white;
+    margin-left: 620px;
+    margin-top: 170px;
+    border: 3px solid #f6f6f6;
+    line-height: 23px;
+}
+
+    aside.donation h3 {
+        display: inline-block;
+        margin: -10px 0 0 0;
+        padding: 3px 2px;
+        color: #5b5b5b;
+        font-weight: bold;
+    }
+
+    aside.donation p {
+        margin: 0;
+        padding: 4px;
+        color: gray;
+    }
+
+    aside.donation form {
+        margin: 0;
+        padding: 3px;
+    }
+
+    aside.donation .donate {
+        background-color: #86e497;
+        border: none;
+        padding: 5px 10px;
+        float: right;
+        margin-top: -10px;
+    }
+
+    aside.donation .donate:hover {
+        cursor: pointer;
+        box-shadow: 0 0 10px #d3d3d3;
+        background-color: #717171;
+    }
 
 /* jsPlumb */
 

web/dbpatterns/dbpatterns/templates/base.html

@@ -1,7 +1,7 @@
 {% load gravatar_tags %}<!DOCTYPE html>
 <html lang="en">
 <head>
-    <title>dbpatterns - create, share, explore database patterns</title>
+    <title>{% block title %}dbpatterns - create, share, explore database patterns{% endblock %}</title>
     {% load compress %}
     {% compress css %}
     <link rel="stylesheet" href="{{ STATIC_URL }}css/h5bp.css" />

web/dbpatterns/dbpatterns/templates/blog/base.html

@@ -0,0 +1,3 @@
+{% extends "base.html" %}
+
+{% block footer %}{% endblock %}

web/dbpatterns/dbpatterns/templates/blog/detail.html

@@ -0,0 +1,27 @@
+{% extends 'blog/base.html' %}
+
+{% block title %}{{ post.title }}{% endblock %}
+
+{% block content %}
+    <section class="content">
+    {% include "blog/donation.html" %}
+    {% include "blog/post.html" %}
+    <article class="comments">
+        <section>
+            <div id="disqus_thread"></div>
+            <script type="text/javascript">
+                var disqus_shortname = 'dbpatterns';
+                (function() {
+                    var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
+                    dsq.src = 'http://' + disqus_shortname + '.disqus.com/embed.js';
+                    (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
+                })();
+            </script>
+            <noscript>Please enable JavaScript to view the <a href="http://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript>
+            <a href="http://disqus.com" class="dsq-brlink">comments powered by <span class="logo-disqus">Disqus</span></a>
+
+        </section>
+    </article>
+    </section>
+
+{% endblock %}

web/dbpatterns/dbpatterns/templates/blog/donation.html

@@ -0,0 +1,13 @@
+<aside class="donation">
+    <h3>Donations</h3>
+    <p>Dbpatterns is an open-source project that doesn't have any profit or revenue model.
+        However dbpatterns needs donations to pay server expenses.</p>
+    <p>If you want to help us, you can make donation to keep running dbpatterns.</p>
+    <form action="https://www.paypal.com/cgi-bin/webscr" method="post">
+        <input type="hidden" name="cmd" value="_s-xclick">
+        <input type="hidden" name="encrypted" value="-----BEGIN PKCS7-----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-----END PKCS7-----
+">
+        <input type="submit" class="donate" value="Donate">
+        <img alt="" border="0" src="https://www.paypalobjects.com/tr_TR/i/scr/pixel.gif" width="1" height="1">
+    </form>
+</aside>

web/dbpatterns/dbpatterns/templates/blog/index.html

@@ -0,0 +1,11 @@
+{% extends "base.html" %}
+
+{% block content %}
+    <section class="content">
+    {% include "blog/donation.html" %}
+    {% for post in posts %}
+        {% include "blog/post.html" %}
+    {%  endfor %}
+    {% include "blog/pagination.html" %}
+    </section>
+{% endblock %}

web/dbpatterns/dbpatterns/templates/blog/pagination.html

@@ -0,0 +1,5 @@
+{% if is_paginated %}
+    {% if page_obj.has_next %}
+        <a class="more" href="?page={{ page_obj.next_page_number }}">Show more</a>
+    {% endif %}
+{% endif %}