Add an actual News page

Initial support for News pages had been committed already, this commit
completes that support and adds an actual News page.  News pages (with
up to ten articles) are auto-created from any pages that have the "date"
attribute set.

1 files changed, 90 insertions, 17 deletions

diff --git a/web/macros.py b/web/macros.py
index f3b6ec6..5918195 100644
--- a/web/macros.py
+++ b/web/macros.py
@@ -8,9 +8,13 @@ page = {
     "description": "Standard monitoring plugins for Nagios and compatible monitoring solutions.",
     "keywords": "Nagios, Icinga, Shinken, Monitoring, Official, Plugins, Open, Source, Free, Software"
 }
-release_notes = 'doc/release-notes/' + plugins_release.replace('.', '-') + '.html'
+release_notes = 'news/release-%s.html' % plugins_release.replace('.', '-')
 site_url = 'https://www.nagios-plugins.org/'
 
+#
+# RSS Feed
+#
+
 _RSS = """<?xml version="1.0" encoding="UTF-8"?>
 <rss version="2.0">
   <channel>
@@ -40,15 +44,14 @@ _RSS_ITEM = """
 
 def hook_postconvert_rss():
     items = []
-    posts = [p for p in pages if 'post' in p]
+    posts = [p for p in pages if 'date' in p]
     posts.sort(key=lambda p: p.date, reverse=True)
     for p in posts:
-        title = p.post
         link = '%s/%s' % (site_url.rstrip('/'), p.url)
         desc = hx(p.html)
         date = time.mktime(time.strptime('%s 12' % p.date, '%Y-%m-%d %H'))
         date = email.utils.formatdate(date)
-        items.append(_RSS_ITEM % (title, link, desc, link, date))
+        items.append(_RSS_ITEM % (p.title, link, desc, date, link))
     items = ''.join(items)
     title = 'Nagios Plugins'
     link = '%s/news/index.html' % site_url.rstrip('/')
@@ -59,23 +62,84 @@ def hook_postconvert_rss():
     fp.write(rss)
     fp.close()
 
-def list_posts(max_posts=-1):
-    posts = [p for p in pages if 'post' in p]
+#
+# News
+#
+
+def hook_preconvert_news():
+    posts_per_page = 10
+    posts = [p for p in pages if 'date' in p]
     posts.sort(key=lambda p: p.date, reverse=True)
-    if max_posts == -1:
-        max_posts = len(posts)
-    for p in posts[:max_posts]:
-        date = time.strftime('%B %d, %Y', time.strptime(p['date'], '%Y-%m-%d'))
-        print '* **[%s](%s)** (%s)' % (p.post, p.url, date)
+    n_news_pages = len(posts) / posts_per_page
+    if len(posts) % posts_per_page > 0:
+        n_news_pages += 1
+    for i, chunk in enumerate(next_news_chunk(posts, posts_per_page)):
+        content = make_news_page(chunk, i) + make_news_footer(n_news_pages, i)
+        if i == 0:
+            p = Page('news/index.md',
+                     virtual=content,
+                     menu=2,
+                     title='News',
+                     parent='Home')
+        else:
+            p = Page('news/%d.md' % (i + 1),
+                     virtual=content,
+                     title='News Page %d' % (i + 1),
+                     parent='News')
+        pages.append(p)
 
-def list_kids():
-    kids = [(p.url, p.title) for p in pages if p.get('parent') == page.title]
-    for kid in sorted(kids):
-        print('* [%s](%s)' % (kid[1], kid[0]))
+def make_news_page(posts, current_index):
+    marker = '<end-of-abstract>'
+    source = list()
+    if current_index == 0:
+        title = 'News'
+    else:
+        title = 'News Page %d' % (current_index + 1)
+    abstract = ['# ' + title]
+    for p in posts:
+        timestamp = time.strptime(p.date, '%Y-%m-%d')
+        date = time.strftime('%A, %B %-e, %Y', timestamp)
+        abstract.append('## %s' % p.title)
+        abstract.append('*%s*' % date)
+        abstract.append('%s' % p.source.split(marker, 1)[0])
+        abstract.append('[<a href="%s">Read more</a>]' % p.url)
+        source.append('# %s' % p.title)
+        source.append('*%s*' % date)
+        source.append(p.source.replace(marker, '', 1))
+        p.source = '\n'.join(source)
+        p['parent'] = title
+    return '\n'.join(abstract) + '\n\n'
+
+def make_news_footer(n_news_pages, current_index):
+    footer = list()
+    if current_index != 0:
+        previous = 'index' if current_index == 1 else str(current_index)
+        footer.append('[First](news/index.html)')
+        footer.append('[Previous](news/%s.html)' % previous)
+    if n_news_pages <= 20:
+        for i in range(n_news_pages):
+            if i == current_index:
+                footer.append('%d' % (i + 1))
+            else:
+                footer.append('[%d](news/%d.html)' % (i + 1, i + 1))
+    if current_index != n_news_pages - 1:
+        footer.append('[Next](news/%d.html)' % (current_index + 2))
+        footer.append('[Last](news/%d.html)' % n_news_pages)
+    return '&emsp;'.join(footer) + '\n{: #news-footer }\n'
+
+def next_news_chunk(posts, posts_per_page):
+    index = 0
+    while len(posts[index:]) > 0:
+        yield posts[index:index + posts_per_page]
+        index += posts_per_page
+
+#
+# Menu and Breadcrumb Navigation
+#
 
 def menu():
-    menu_pages = [p for p in pages if 'menu-position' in p]
-    menu_pages.sort(key=lambda p: int(p['menu-position']))
+    menu_pages = [p for p in pages if 'menu' in p]
+    menu_pages.sort(key=lambda p: int(p['menu']))
     for p in menu_pages:
         if p.title == page.title:
             print('<span id="current">%s</span>' % hx(p.title))
@@ -96,6 +160,15 @@ def breadcrumb():
         crumbs = '&nbsp;' + stable
     return crumbs
 
+#
+# Miscellaneous
+#
+
+def list_kids():
+    kids = [(p.url, p.title) for p in pages if p.get('parent') == page.title]
+    for kid in sorted(kids):
+        print('* [%s](%s)' % (kid[1], kid[0]))
+
 def copyright_years(since=None):
     this_year = time.gmtime().tm_year
     if since is not None and int(since) != this_year: