ФУНКЦИИ - МЕЖПРОЕКТНАЯ КОММУНИКАЦИЯ: blob-дедупликация файлов

2026-04-27 09:45:16 +03:00
parent b945bc4d31
commit 490aa1bc04
18 changed files with 827 additions and 114 deletions
@@ -0,0 +1,112 @@
+# Generated by Codex on 2026-04-26
+
+import uuid
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("db", "0127_issue_detail_layout"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="StoredBlob",
+            fields=[
+                ("created_at", models.DateTimeField(auto_now_add=True, verbose_name="Created At")),
+                ("updated_at", models.DateTimeField(auto_now=True, verbose_name="Last Modified At")),
+                ("deleted_at", models.DateTimeField(blank=True, null=True, verbose_name="Deleted At")),
+                (
+                    "id",
+                    models.UUIDField(
+                        db_index=True,
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                        unique=True,
+                    ),
+                ),
+                ("sha256", models.CharField(db_index=True, max_length=64)),
+                ("size", models.PositiveBigIntegerField(default=0)),
+                ("mime_type", models.CharField(blank=True, default="", max_length=255)),
+                ("canonical_object_key", models.CharField(max_length=800)),
+                (
+                    "status",
+                    models.CharField(
+                        choices=[("active", "Active"), ("orphaned", "Orphaned"), ("missing", "Missing")],
+                        default="active",
+                        max_length=32,
+                    ),
+                ),
+                ("ref_count", models.PositiveIntegerField(default=0)),
+                ("storage_metadata", models.JSONField(blank=True, default=dict, null=True)),
+                (
+                    "created_by",
+                    models.ForeignKey(
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        related_name="%(class)s_created_by",
+                        to=settings.AUTH_USER_MODEL,
+                        verbose_name="Created By",
+                    ),
+                ),
+                (
+                    "updated_by",
+                    models.ForeignKey(
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        related_name="%(class)s_updated_by",
+                        to=settings.AUTH_USER_MODEL,
+                        verbose_name="Last Modified By",
+                    ),
+                ),
+                (
+                    "workspace",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="stored_blobs",
+                        to="db.workspace",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "Stored Blob",
+                "verbose_name_plural": "Stored Blobs",
+                "db_table": "stored_blobs",
+                "ordering": ("-created_at",),
+            },
+        ),
+        migrations.AddField(
+            model_name="fileasset",
+            name="blob",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name="assets",
+                to="db.storedblob",
+            ),
+        ),
+        migrations.AddIndex(
+            model_name="storedblob",
+            index=models.Index(fields=["workspace", "sha256"], name="stored_blob_workspace_sha_idx"),
+        ),
+        migrations.AddIndex(
+            model_name="storedblob",
+            index=models.Index(fields=["status"], name="stored_blob_status_idx"),
+        ),
+        migrations.AddConstraint(
+            model_name="storedblob",
+            constraint=models.UniqueConstraint(
+                condition=models.Q(("deleted_at__isnull", True), ("status", "active")),
+                fields=("workspace", "sha256", "size"),
+                name="stored_blob_unique_active_hash_size",
+            ),
+        ),
+    ]