# HG changeset patch
# User neko259 <neko259@gmail.com>
# Date 2015-03-28 09:23:23
# Node ID 3274ab5df6015a0220d9cd6c28cd6be42f76958f
# Parent  0cd7f7d0a95818e1b743c2a236c02875849626c3

Refactoring

diff --git a/boards/mdx_neboard.py b/boards/mdx_neboard.py
--- a/boards/mdx_neboard.py
+++ b/boards/mdx_neboard.py
@@ -2,6 +2,7 @@
 
 import re
 import bbcode
+from django.core.exceptions import ObjectDoesNotExist
 from django.core.urlresolvers import reverse
 
 import boards
@@ -116,18 +117,19 @@ class CodePattern(TextFormatter):
 
 
 def render_reflink(tag_name, value, options, parent, context):
-    if not REFLINK_PATTERN.match(value):
-        return '>>%s' % value
+    result = '>>%s' % value
 
-    post_id = int(value)
+    if REFLINK_PATTERN.match(value):
+        post_id = int(value)
 
-    posts = boards.models.Post.objects.filter(id=post_id)
-    if posts.exists():
-        post = posts[0]
+        try:
+            post = boards.models.Post.objects.get(id=post_id)
 
-        return '<a href="%s">&gt;&gt;%s</a>' % (post.get_url(), post_id)
-    else:
-        return '>>%s' % value
+            result = '<a href="%s">&gt;&gt;%s</a>' % (post.get_url(), post_id)
+        except ObjectDoesNotExist:
+            pass
+
+    return result
 
 
 def render_multithread(tag_name, value, options, parent, context):
@@ -136,12 +138,13 @@ def render_multithread(tag_name, value, 
     if REFLINK_PATTERN.match(value):
         post_id = int(value)
 
-        posts = boards.models.Post.objects.filter(id=post_id)
-        if posts.exists():
-            post = posts[0]
+        try:
+            post = boards.models.Post.objects.get(id=post_id)
 
             if post.is_opening():
                 result = '<a href="%s">&gt;&gt;&gt;%s</a>' % (post.get_url(), post_id)
+        except ObjectDoesNotExist:
+            pass
 
     return result
 
diff --git a/boards/models/post.py b/boards/models/post.py
--- a/boards/models/post.py
+++ b/boards/models/post.py
@@ -6,6 +6,7 @@ import re
 from urllib.parse import unquote
 
 from adjacent import Client
+from django.core.exceptions import ObjectDoesNotExist
 from django.core.urlresolvers import reverse
 from django.db import models, transaction
 from django.db.models import TextField
@@ -395,12 +396,16 @@ class Post(models.Model, Viewable):
         if recursive:
             for reply_number in re.finditer(REGEX_REPLY, self.get_raw_text()):
                 post_id = reply_number.group(1)
-                ref_post = Post.objects.filter(id=post_id)[0]
+
+                try:
+                    ref_post = Post.objects.get(id=post_id)
 
-                # If post is in this thread, its thread was already notified.
-                # Otherwise, notify its thread separately.
-                if ref_post.get_thread().id != thread_id:
-                    ref_post.send_to_websocket(request, recursive=False)
+                    # If post is in this thread, its thread was already notified.
+                    # Otherwise, notify its thread separately.
+                    if ref_post.get_thread().id != thread_id:
+                        ref_post.send_to_websocket(request, recursive=False)
+                except ObjectDoesNotExist:
+                    pass
 
     def save(self, force_insert=False, force_update=False, using=None,
              update_fields=None):
@@ -437,9 +442,10 @@ class Post(models.Model, Viewable):
 
         for reply_number in re.finditer(REGEX_REPLY, self.get_raw_text()):
             post_id = reply_number.group(1)
-            ref_post = Post.objects.filter(id=post_id)
-            if ref_post.count() > 0:
-                referenced_post = ref_post[0]
+
+            try:
+                referenced_post = Post.objects.get(id=post_id)
+
                 referenced_post.referenced_posts.add(self)
                 referenced_post.last_edit_time = self.pub_time
                 referenced_post.build_refmap()
@@ -452,13 +458,20 @@ class Post(models.Model, Viewable):
 
                     thread.last_edit_time = self.pub_time
                     thread.save(update_fields=['last_edit_time', 'bumpable'])
+            except ObjectDoesNotExist:
+                pass
 
     def connect_threads(self):
+        """
+        If the referenced post is an OP in another thread,
+        make this post multi-thread.
+        """
+
         for reply_number in re.finditer(REGEX_MULTI_THREAD, self.get_raw_text()):
             post_id = reply_number.group(1)
-            ref_post = Post.objects.filter(id=post_id)
-            if ref_post.count() > 0:
-                referenced_post = ref_post[0]
+
+            try:
+                referenced_post = Post.objects.get(id=post_id)
 
                 if referenced_post.is_opening():
                     referenced_threads = referenced_post.get_threads().all()
@@ -470,3 +483,5 @@ class Post(models.Model, Viewable):
                         thread.save(update_fields=['last_edit_time', 'bumpable'])
 
                         self.threads.add(thread)
+            except ObjectDoesNotExist:
+                pass