# Generated by Django 5.2.12 on 2026-06-13 03:52

import django.db.models.deletion
from django.conf import settings
from django.db import migrations, models


class Migration(migrations.Migration):

    initial = True

    dependencies = [
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='CompressionHistory',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('session_id', models.CharField(blank=True, max_length=64, null=True, verbose_name='会话ID')),
                ('original_filename', models.CharField(max_length=255, verbose_name='原始文件名')),
                ('original_size', models.BigIntegerField(verbose_name='原始大小(字节)')),
                ('compressed_size', models.BigIntegerField(verbose_name='压缩后大小(字节)')),
                ('compression_ratio', models.FloatField(verbose_name='压缩率')),
                ('original_format', models.CharField(max_length=10, verbose_name='原始格式')),
                ('output_format', models.CharField(max_length=10, verbose_name='输出格式')),
                ('compression_mode', models.CharField(choices=[('lossy', '有损压缩'), ('lossless', '无损优化')], max_length=10, verbose_name='压缩模式')),
                ('quality', models.IntegerField(blank=True, null=True, verbose_name='压缩质量')),
                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
                ('file_path', models.CharField(max_length=500, verbose_name='文件路径')),
                ('user', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='用户')),
            ],
            options={
                'verbose_name': '压缩历史',
                'verbose_name_plural': '压缩历史',
                'ordering': ['-created_at'],
            },
        ),
    ]