From 807af4ed75bd96c8d3c4afc722cc485c4faec9c5 Mon Sep 17 00:00:00 2001
From: Viner Abubakirov <viner96@yandex.ru>
Date: Sun, 4 Jan 2026 16:46:55 +0500
Subject: [PATCH] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8=D0=BB=20pr?=
 =?UTF-8?q?eview=5Fimage=20=D0=B2=20Album,=20=D1=87=D1=82=D0=BE=D0=B1?=
 =?UTF-8?q?=D1=8B=20=D1=81=D0=BD=D0=B8=D0=B7=D0=B8=D1=82=D1=8C=20=D1=80?=
 =?UTF-8?q?=D0=B0=D0=B7=D0=BC=D0=B5=D1=80=D1=8B=20cover=20image?=
MIME-Version: 1.0
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---
 .../migrations/0009_album_preview_image.py    | 24 ++++++++++++
 music_storage/music/models.py                 | 37 +++++++++++++++++--
 .../templates/components/album_list.html      |  4 +-
 3 files changed, 59 insertions(+), 6 deletions(-)
 create mode 100644 music_storage/music/migrations/0009_album_preview_image.py

diff --git a/music_storage/music/migrations/0009_album_preview_image.py b/music_storage/music/migrations/0009_album_preview_image.py
new file mode 100644
index 0000000..fe7b579
--- /dev/null
+++ b/music_storage/music/migrations/0009_album_preview_image.py
@@ -0,0 +1,24 @@
+# Generated by Django 6.0 on 2026-01-04 11:37
+
+from django.db import migrations, models
+
+
+def create_preview_image(apps, schema_editor):
+    Album = apps.get_model('music', 'Album')
+    for album in Album.objects.all():
+        album.save()
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('music', '0008_alter_track_file'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='album',
+            name='preview_image',
+            field=models.ImageField(blank=True, null=True, upload_to=''),
+        ),
+        migrations.RunPython(create_preview_image, reverse_code=migrations.RunPython.noop),
+    ]
diff --git a/music_storage/music/models.py b/music_storage/music/models.py
index 94897fc..691e6a8 100644
--- a/music_storage/music/models.py
+++ b/music_storage/music/models.py
@@ -1,8 +1,10 @@
-from django.db import models
-from core.models import BaseModel
-
 import os
 import uuid
+from io import BytesIO
+
+from PIL import Image
+from django.db import models
+from core.models import BaseModel
 
 
 def album_cover_upload_to(instance, filename):
@@ -25,7 +27,9 @@ def track_upload_to(instance, filename):
 
 class Artist(BaseModel):
     name = models.CharField(max_length=200)
-    cover_image = models.ImageField(upload_to=artist_cover_upload_to, null=True, blank=True)
+    cover_image = models.ImageField(
+        upload_to=artist_cover_upload_to, null=True, blank=True
+    )
 
     def __str__(self):
         return f"{self.name}"
@@ -37,10 +41,35 @@ class Album(BaseModel):
     cover_image = models.ImageField(
         upload_to=album_cover_upload_to, null=True, blank=True
     )
+    preview_image = models.ImageField(null=True, blank=True)
 
     def __str__(self):
         return f"{self.artist} - {self.name}"
 
+    def create_preview_image(self):
+        # Placeholder for preview image creation logic
+        img = Image.open(self.cover_image)
+
+        target_height = 256
+        target_width = int((target_height / img.height) * img.width)
+        img = img.resize((target_width, target_height), Image.LANCZOS)
+
+        buffer = BytesIO()
+        img.save(buffer, format="JPEG")
+        buffer.seek(0)
+
+        self.preview_image.save(
+            os.path.join("album_previews", f"{uuid.uuid4()}.jpg"),
+            buffer,
+            save=False,
+        )
+        buffer.close()
+
+    def save(self, *args, **kwargs):
+        if not self.preview_image and self.cover_image:
+            self.create_preview_image()
+        super().save(*args, **kwargs)
+
 
 class Track(BaseModel):
     title = models.CharField(max_length=200)
diff --git a/music_storage/templates/components/album_list.html b/music_storage/templates/components/album_list.html
index 812e583..30c66f4 100644
--- a/music_storage/templates/components/album_list.html
+++ b/music_storage/templates/components/album_list.html
@@ -6,8 +6,8 @@
     {% for album in albums %}
         <div class="album-card">
             <a href="{% url 'music:album_detail' album.id %}" class="album-link">
-                {% if album.cover_image %}
-                    <img src="{{ album.cover_image.url }}" alt="{{ album.name }}" class="album-cover">
+                {% if album.preview_image %}
+                    <img src="{{ album.preview_image.url }}" alt="{{ album.name }}" class="album-cover">
                 {% else %}
                     <img src="{% static 'img/no-cover.png' %}" alt="No cover" class="album-cover">
                 {% endif %}