add support for thumbnails

suchwow/models.py

@@ -1,5 +1,7 @@
 from peewee import *
+from os import path
 from datetime import datetime
+from PIL import Image
 from suchwow import config
 
 
@@ -21,6 +23,28 @@ class Post(Model):
     to_discord = BooleanField(default=False)
     approved = BooleanField(default=False)
 
+    def get_image_path(self, thumbnail=False):
+        save_path_base = path.join(config.DATA_FOLDER, "uploads")
+        if thumbnail:
+            save_path = path.join(save_path_base, self.get_thumbnail_name())
+        else:
+            save_path = path.join(save_path_base, self.image_name)
+        return save_path
+
+    def save_thumbnail(self):
+        try:
+            image = Image.open(self.get_image_path())
+            image.thumbnail((200,200), Image.ANTIALIAS)
+            image.save(self.get_image_path(True), format=image.format, quality=90)
+            image.close()
+            return True
+        except:
+            return False
+
+    def get_thumbnail_name(self):
+        s = path.splitext(self.image_name)
+        return s[0] + '.thumbnail' + s[1]
+
     def show(self):
         return {
             'id': self.id,
@@ -28,6 +52,9 @@ class Post(Model):
             'text': self.text,
             'submitter': self.submitter,
             'image_name': self.image_name,
+            'image_path': self.get_image_path(),
+            'thumbnail_name': self.get_thumbnail_name(),
+            'thumbnail_path': self.get_image_path(True),
             'readonly': self.readonly,
             'hidden': self.hidden,
             'account_index': self.account_index,

suchwow/routes/post.py

@@ -109,6 +109,7 @@ def create():
                 address_index=0
             )
             post.save()
+            post.save_thumbnail()
             url = url_for('post.read', id=post.id, _external=True)
             post_webhook(f"New post :doge2: [{post.id}]({url}) by `{submitter}` :neckbeard:")
             return redirect(url)

suchwow/templates/index.html

@@ -14,6 +14,7 @@
         <th>Date</th>
         <th>ID</th>
         <th>Title</th>
+        <th>Thumbnail</th>
         <th>Submitter</th>
       </tr>
       {% for post in posts %}
@@ -21,6 +22,11 @@
           <td>{{ post.timestamp.strftime('%Y-%m-%d %H:%M') }}</td>
           <td>{{ post.id }}</td>
           <td><a href="{{ url_for('post.read', id=post.id) }}">{{ post.title }}</a></td>
+          <td>
+            <a href="{{ url_for('post.read', id=post.id) }}">
+              <img src="{{ url_for('post.uploaded_file', filename=post.get_thumbnail_name()) }}" width=200 style="max-height:200px;">
+            </a>
+          </td>
           <td><a href="/?submitter={{ post.submitter }}">{{ post.submitter }}</a></td>
         </tr>
       {% endfor %}