Merge pull request #4 from open-oni/add_this_day

Add this day

Author: jechols

views.py

@@ -1,4 +1,5 @@
 import random
+import datetime
 
 from django.shortcuts import render_to_response
 from django.template import RequestContext
@@ -8,11 +9,16 @@
 
 def featured(request):
     number = config.NUMBER
-    if config.RANDOM:
+    pages = None
+    if config.THISDAY:
+        pages = _this_day()
+        if not pages is None:
+            this_day_title = True
+    if pages is None and config.RANDOM:
         page_len = len(models.Page.objects.all())
         select_pages = random.sample(xrange(1, page_len), number)
         pages = map(_get_page_info_by_id, select_pages)
-    else:
+    elif pages is None:
         # grab randomly from the curated selection
         page_info = config.PAGES
         page_len = len(page_info)
@@ -56,3 +62,39 @@ def _get_page_by_info(page_info):
         page_info['name'] = 'Unknown Title'
         page_info['page_obj'] = None
     return page_info
+
+def _this_day():
+    pages = []
+    today = datetime.date.today()
+    rand_years = random.sample(xrange(config.MINYEAR,config.MAXYEAR), config.MAXYEAR-config.MINYEAR)
+    rand_years.insert(0, today.year-100)
+    for rand_year in rand_years:
+        page = _get_page_by_date(today.replace(year = rand_year))
+        if not page is None:
+            pages.append(page)
+            return pages
+    return None
+
+def _get_page_by_date(date):
+    issues = list(models.Issue.objects.filter(date_issued=date)[:10])
+    issue_count = len(issues)
+    if issue_count < 1:
+        return None
+    if issue_count < 2:
+        rand_indices = [0]
+    else:
+        rand_indices = random.sample(xrange(issue_count), issue_count)
+    for rand_index in rand_indices:
+        issue = issues[rand_index]
+        first_page = issue.first_page
+        if first_page and first_page.jp2_filename:
+            page = {
+                'date': issue.date_issued,
+                'edition': issue.edition,
+                'lccn': issue.title.lccn,
+                'name': issue.title.name,
+                'page_obj': first_page,
+                'sequence': first_page.sequence,
+            }
+            return page
+    return None