feat(pricing): add workspace user rates and price units

apps/workspaces/migrations/0004_priceunit.py

@@ -0,0 +1,45 @@
+import uuid
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("workspaces", "0003_remove_workspaceuserrate_workspaceuserrate_id_idx_and_more"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="PriceUnit",
+            fields=[
+                ("id", models.UUIDField(default=uuid.uuid7, primary_key=True, serialize=False)),
+                ("created_at", models.DateTimeField(auto_now_add=True)),
+                ("updated_at", models.DateTimeField(auto_now=True)),
+                ("deleted_at", models.DateTimeField(blank=True, null=True)),
+                ("is_deleted", models.BooleanField(default=False)),
+                ("is_active", models.BooleanField(default=False)),
+                ("code", models.CharField(max_length=8, unique=True)),
+                ("name", models.CharField(max_length=64)),
+                ("local_name", models.CharField(blank=True, max_length=64)),
+                ("symbol", models.CharField(blank=True, max_length=16)),
+                ("created_by", models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name="created_workspaces_priceunit_set", to=settings.AUTH_USER_MODEL)),
+                ("updated_by", models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name="updated_workspaces_priceunit_set", to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                "db_table": "price_unit",
+                "ordering": ("code",),
+            },
+        ),
+        migrations.AddIndex(
+            model_name="priceunit",
+            index=models.Index(fields=["id"], name="priceunit_id_idx"),
+        ),
+        migrations.AddIndex(
+            model_name="priceunit",
+            index=models.Index(fields=["code"], name="price_unit_code_idx"),
+        ),
+    ]