Pagination

kremlin/core.py

@@ -13,27 +13,31 @@
 
 
 from flask import request, session, render_template, flash, url_for, \
-        redirect, send_from_directory
-
+        redirect, send_from_directory, abort
 from werkzeug import secure_filename
-
-
 from kremlin import app, db, dbmodel, forms, imgutils, uploaded_images
-
-
+from pagination import Pagination
 
 @app.route('/')
 def home_index():
     """ Display the glasnost logo, attempt to replicate old behavior """
     return render_template('home.html')
 
-@app.route('/images')
-def entries_index():
+@app.route('/images', defaults={'page': 1})
+@app.route('/images/page/<int:page>')
+def entries_index(page):
     """ Show an index of image thumbnails """
-    #FIXME: limit with pagination
-    posts = dbmodel.Post.query.all()
+    posts = dbmodel.Post.query.paginate(page, 25)
+    posts_count = posts.total
+    pagination = Pagination(page, 25, posts_count)
     return render_template('board.html', form=forms.NewPostForm(),
-        posts=posts)
+        posts=posts.items, pagination=pagination)
+
+def url_for_other_page(page):
+    args = request.view_args.copy()
+    args['page'] = page
+    return url_for(request.endpoint, **args)
+app.jinja_env.globals['url_for_other_page'] = url_for_other_page
 
 @app.route('/logs')
 def logs_index():
@@ -188,4 +192,3 @@ def register():
 def about():
     return "Kremlin Everything System and Boredom Inhibitor v 0.0.0-None"
 
-

kremlin/forms.py

@@ -17,6 +17,10 @@
 
 from kremlin import uploaded_images
 
+from math import ceil
+
+from pagination import Pagination
+
 class NewPostForm(Form):
     """ Post Form """
     name = TextField(u'Name', validators=[validators.required()])
@@ -70,3 +74,4 @@ class RegisterForm(Form):
     confirm = PasswordField(u'Repeat Password')
 #    accept_tos = BooleanField(u'I accept the TOS',
 #        validators=[validators.Required()])
+

kremlin/pagination.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python
+"""
+KREMLIN
+"""
+
+import os
+import sys
+
+from math import ceil
+
+class Pagination(object):
+
+    def __init__(self, page, per_page, total_count):
+        self.page = page
+        self.per_page = per_page
+        self.total_count = total_count
+
+    @property
+    def pages(self):
+        return int(ceil(self.total_count / float(self.per_page)))
+
+    @property
+    def has_prev(self):
+        return self.page > 1
+
+    @property
+    def has_next(self):
+        return self.page < self.pages
+
+    def iter_pages(self, left_edge=2, left_current=2, right_current=5,
+            right_edge=2):
+        last = 0
+        for num in xrange(1, self.pages + 1):
+            if num <= left_edge or \
+            (num > self.page - left_current - 1 and \
+            num < self.page + right_current) or \
+            num > self.pages - right_edge:
+                if last + 1 != num:
+                    yield None
+                yield num
+                last = num
+

kremlin/static/javascripts/app.js

@@ -44,5 +44,5 @@
       }, 0);
     });
   }
-
+  
 })(jQuery, this);

kremlin/templates/board.html

@@ -13,8 +13,23 @@
     <input type="submit" value="Upload"><br />
 </form>
 <div id='ImageboardPageTop'>
-    {# TODO: Paginate like a motherfucker #}
-    Hi this is where pagination will go
+      <div class=pagination>
+      {% for page in pagination.iter_pages() %}
+        {% if page %}
+          {% if page != pagination.page %}
+            <a href="{{ url_for_other_page(page) }}">{{ page }}</a>
+          {% else %}
+            <strong>{{ page }}</strong>
+          {% endif %}
+        {% else %}
+          <span class=ellipsis>…</span>
+        {% endif %}
+      {% endfor %}
+      {% if pagination.has_next %}
+        <a href="{{ url_for_other_page(pagination.page + 1) 
+            }}">Next &raquo;</a>
+      {% endif %}
+      </div>
 </div>
 <div id="ImageboardContainer">
     {% for post in posts %}

kremlin/templates/layout.html

@@ -72,7 +72,7 @@ <h5>Magical Everything System - Prototype</h5>
         <div id="Menu" class="twelve columns">
             {% block menu %}
             <ul class="nav-bar">
-                <li><a href="{{ url_for('home_index') }}" class="main">home</a></li>
+                <li><a href="{{ url_for('home_index') }}" class="main">Home</a></li>
                 <li><a href="{{ url_for('entries_index') }}" class="main">Imageboard</a></li>
                 <li><a href="{{ url_for('logs_index') }}" class="main">IRC logs</a></li>
                 <li><a href="{{ url_for('services_index') }}" class="main">Services Index</a></li>
@@ -102,7 +102,7 @@ <h5>Magical Everything System - Prototype</h5>
     <div class="row">
         <div id="Footer" class="four columns centered">
             {% block footer %}
-            <p>Copyright &copy; glasnost.us 2004-2012</p>
+            <p>Copyright &copy; glasnost.us 2004-2015</p>
             {% endblock %}
         </div>
     </div>

runserver.py

@@ -33,7 +33,7 @@ def usage():
 def main():
     """ Program entry point when ran interactively """
     print "Kremlin Magical Everything System v 0.0.0-None"
-    print "Copyright (c) Glasnost 2010-2011"
+    print "Copyright (c) Glasnost 2010-2015"
     print "-----------------------------------------------"
 
     # If no configuration is specified, use the default.