Add pagination to forums archives.

epilogue/archive_generator.py

@@ -1,6 +1,7 @@
 import os
 import logging
 import shutil
+import math
 
 from itertools import chain
 from traceback import print_exc
@@ -9,6 +10,7 @@ import chevron
 import bbcode
 import html
 
+from .forum import DEFAULT_POSTS_PER_PAGE
 from .wiki import Template, Renderer, Linker, NAMESPACES as WIKI_NAMESPACES
 
 logging.basicConfig(level=logging.INFO)
@@ -190,6 +192,8 @@ class ArchiveGenerator():
             "target": "page-0.html"
         })
 
+        total_pages = math.ceil((thread.num_replies + 1) / DEFAULT_POSTS_PER_PAGE)
+        page_links = [{"label": page + 1, "link": f"page-{page}.html"} for page in range(total_pages)]
         page = 0
         while True:
             posts = [prepare_post(post) for post in forum.get_posts_in_thread(thread, page)]
@@ -204,6 +208,7 @@ class ArchiveGenerator():
                 "thread": thread,
                 "page": page,
                 "next": page + 1,
+                "page_links": page_links,
                 "prev": page - 1,
                 "posts": posts
             })

epilogue/forum.py

@@ -23,6 +23,9 @@ GET_POSTS = """
     LIMIT ? OFFSET ?
 """.format(PREFIX)
 
+DEFAULT_POSTS_PER_PAGE = 15
+DEFAULT_THREADS_PER_PAGE = 2000
+
 def fix_encoding (string):
     return string.encode("latin1", errors="ignore").decode(errors="ignore")
 
@@ -50,7 +53,7 @@ class Forum():
         cursor.execute(GET_BOARDS)
         return [Board(board) for board in cursor.fetchall()]
 
-    def get_threads_in_board (self, board, page=0, per_page=2000):
+    def get_threads_in_board (self, board, page=0, per_page=DEFAULT_THREADS_PER_PAGE):
         try:
             board = board.id
         except ValueError: pass
@@ -58,7 +61,7 @@ class Forum():
         cursor.execute(GET_THREADS, (board, per_page, page * per_page))
         return [Thread(thread) for thread in cursor.fetchall()]
 
-    def get_posts_in_thread (self, thread, page=0, per_page=15):
+    def get_posts_in_thread (self, thread, page=0, per_page=DEFAULT_POSTS_PER_PAGE):
         try:
             thread = thread.id
         except ValueError: pass
@@ -89,6 +92,7 @@ class Thread():
         self.datetime = datetime.fromtimestamp(row['poster_time'])
         self.subject = fix_encoding(row['subject'])
         self.poster_name = fix_encoding(row['poster_name'])
+        self.num_replies = row['num_replies']
 
 class Post():
     def __init__ (self, row):

static/style.css

@@ -11,7 +11,11 @@ ul.boards { margin-left: 0; padding-left: 0; }
 .label { font-weight: bold }
 article { border-top: 1px solid black; }
 section { margin-top: 15px; margin-bottom: 15px; }
+
 .next { float: right; }
+.pagination { margin-bottom: 10px; }
+.pagination ul { list-style-type: none; margin-left: 0; padding-left: 0; display: inline; }
+.pagination li { display: inline; }
 
 .page { padding-top: 15px; }
 .page table { width: 100%; }

templates/partials/pagination.mustache

@@ -1,4 +1,9 @@
 <div class="pagination">
     <a class="prev" href="page-{{prev}}.html">Previous Page</a>
+    <ul>
+    {{#page_links}}
+        <li><a href="{{link}}">{{label}}</a></li>
+    {{/page_links}}
+    </ul>
     <a class="next" href="page-{{next}}.html">Next Page</a>
 </div>

templates/threads.mustache

@@ -5,12 +5,14 @@
         <th>Title</th>
         <th>Poster</th>        
         <th>Date</th>
+        <th>Replies</th>
     </tr>
     {{#threads}}
     <tr>
         <td class="thread-subject"><a href="thread-{{id}}">{{subject}}</a></td>
         <td class="thread-poster">{{poster_name}}</td>
         <td class="thread-date">{{datetime}}</td>
+        <td class="replies">{{num_replies}}</td>
     </tr>
     {{/threads}}
 </table>