shift current week

app/item/models.py

@@ -57,7 +57,8 @@ class Item(models.Model):
         return json.dumps(comments)
 
     @classmethod
-    def public(cls):
+    def public(cls, now=None):
+        if now is None:
             now = timezone.now()
         qs = cls.objects.exclude(published=None).filter(published__lte=now).order_by('-published')
         cal = now.date().isocalendar()

app/item/views.py

@@ -1,9 +1,9 @@
 import xml.etree.ElementTree as ET
 
-from datetime import date, datetime, timedelta
 import json
 
 from django.utils import timezone
+from django.utils.timezone import datetime, timedelta
 from django.shortcuts import render
 from django.db.models import Q
 from django.utils.html import mark_safe
@@ -16,12 +16,25 @@ from ..signalbot.rpc import send_reaction
 from .utils import render_to_json
 from ..utils import default_context
 
+TS_FORMAT = "%Y-%m-%dT%H:%M:%S"
+
 
 def index(request):
     context = default_context(request)
-    week, archive = models.Item.public()
+    now = request.GET.get("now")
+    if request.user.is_staff and now:
+        now = datetime.strptime(now, TS_FORMAT)
+    elif request.user.is_staff:
+        now = datetime.now()
+    else:
+        now = None
+    week, archive = models.Item.public(now)
     context['items'] = week
     context['archive'] = archive.exists()
+    if now:
+        context['now'] = now
+        context['previous_week'] = (now - timedelta(days=7)).strftime(TS_FORMAT)
+        context['next_week'] = (now + timedelta(days=7)).strftime(TS_FORMAT)
     return render(request, 'index.html', context)
 
 

app/static/css/site.scss

@@ -98,3 +98,10 @@ nav.overlay {
         padding-bottom: 8px;
     }
 }
+
+.now {
+    background: lightyellow;
+    color: black;
+    padding: 8px;
+    opacity: 0.8;
+}

app/templates/base.html

@@ -40,6 +40,13 @@
     <div class="about">
         {{ overlay.content | safe }}
     </div>
+    {% if now %}
+    <div class="now">
+        <a href="?now={{ previous_week }}">previous week</a>
+        {{ now }}
+        <a href="?now={{ next_week }}">next week</a>
+    </div>
+    {% endif %}
     <div class="user">
     {% if request.user.is_authenticated %}
     <div>You are logged in as {{ request.user.username }}</div>

app/views.py

@@ -1,3 +1,6 @@
+import xml.etree.ElementTree as ET
+
+from django.utils.timezone import datetime, timedelta
 from django.shortcuts import render
 from django.http import HttpResponse
 
@@ -5,17 +8,52 @@ from django.http import HttpResponse
 def robots_txt(request):
     txt = '''User-agent: *
 Disallow: 
-'''
-    return HttpResponse(txt, 'text/plain')
-
-    txt = '''User-agent: *
-Disallow: 
 Sitemap: {}
 '''.format(request.build_absolute_uri('/sitemap.xml'))
     return HttpResponse(txt, 'text/plain')
 
 
 def sitemap_xml(request):
-    sitemap = ''
-    return HttpResponse(sitemap, 'application/xml')
+    now = datetime.now()
+    from .item.models import Item
+    urlset = ET.Element('urlset')
+    urlset.attrib['xmlns'] = "http://www.sitemaps.org/schemas/sitemap/0.9"
+    urlset.attrib['xmlns:xsi'] = "http://www.w3.org/2001/XMLSchema-instance"
+    urlset.attrib['xsi:schemaLocation'] = "http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"
+
+    url = ET.SubElement(urlset, "url")
+    loc = ET.SubElement(url, "loc")
+    loc.text = request.build_absolute_uri('/')
+    lastmod = ET.SubElement(url, "lastmod")
+    lastmod.text = now.strftime("%Y-%m-%d")
+    changefreq = ET.SubElement(url, "changefreq")
+    changefreq.text = 'hourly'
+    priority = ET.SubElement(url, "priority")
+    priority.text = '1.0'
+
+    url = ET.SubElement(urlset, "url")
+    loc = ET.SubElement(url, "loc")
+    loc.text = request.build_absolute_uri('/archive/')
+    lastmod = ET.SubElement(url, "lastmod")
+    lastmod.text = now.strftime("%Y-%m-%d")
+    changefreq = ET.SubElement(url, "changefreq")
+    changefreq.text = 'weekly'
+    priority = ET.SubElement(url, "priority")
+    priority.text = '1.0'
+
+    for item in Item.objects.exclude(published=None).exclude(published__gt=now).order_by('-published'):
+        url = ET.SubElement(urlset, "url")
+        loc = ET.SubElement(url, "loc")
+        loc.text = request.build_absolute_uri(item.get_absolute_url())
+        # This date should be in W3C Datetime format, can be %Y-%m-%d
+        lastmod = ET.SubElement(url, "lastmod")
+        lastmod.text = item.modified.strftime("%Y-%m-%d")
+        # always, hourly, daily, weekly, monthly, yearly, never
+        changefreq = ET.SubElement(url, "changefreq")
+        changefreq.text = 'daily'
+        # priority of page on site values 0.1 - 1.0
+        priority = ET.SubElement(url, "priority")
+        priority.text = '0.9'
+    data = b'<?xml version="1.0" encoding="UTF-8"?>\n' + ET.tostring(urlset)
+    return HttpResponse(data, 'application/xml')