fix(v2-import): namespace source identity for snapshot upserts

apps/players/admin.py

@@ -37,6 +37,7 @@ class PlayerCareerEntryInline(admin.TabularInline):
 class PlayerAdmin(admin.ModelAdmin):
     list_display = (
         "full_name",
+        "source_name",
         "source_uid",
         "birth_date",
         "nationality",
@@ -54,7 +55,7 @@ class PlayerAdmin(admin.ModelAdmin):
         "origin_competition",
         "origin_team",
     )
-    search_fields = ("full_name", "first_name", "last_name", "source_uid")
+    search_fields = ("full_name", "first_name", "last_name", "source_name", "source_uid")
     inlines = (PlayerAliasInline, PlayerCareerEntryInline)
     actions = ("recompute_origin_fields",)
 

apps/players/migrations/0007_player_source_namespaced_uid.py

@@ -0,0 +1,39 @@
+# Generated by Django 5.2.12 on 2026-03-13 15:08
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("players", "0006_player_source_uid_and_more"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="player",
+            name="source_name",
+            field=models.CharField(blank=True, default="", max_length=120),
+        ),
+        migrations.AlterField(
+            model_name="player",
+            name="source_uid",
+            field=models.CharField(blank=True, max_length=120, null=True),
+        ),
+        migrations.RemoveConstraint(
+            model_name="player",
+            name="uq_player_full_name_birth_date",
+        ),
+        migrations.AddConstraint(
+            model_name="player",
+            constraint=models.UniqueConstraint(
+                condition=models.Q(source_uid__isnull=False) & ~models.Q(source_uid=""),
+                fields=("source_name", "source_uid"),
+                name="uq_player_source_namespace_uid",
+            ),
+        ),
+        migrations.AddIndex(
+            model_name="player",
+            index=models.Index(fields=["source_name", "source_uid"], name="players_pla_source__73848c_idx"),
+        ),
+    ]

apps/players/models.py

@@ -58,7 +58,8 @@ class Player(TimeStampedModel):
     first_name = models.CharField(max_length=120)
     last_name = models.CharField(max_length=120)
     full_name = models.CharField(max_length=260)
-    source_uid = models.CharField(max_length=120, blank=True, null=True, unique=True)
+    source_name = models.CharField(max_length=120, blank=True, default="")
+    source_uid = models.CharField(max_length=120, blank=True, null=True)
     birth_date = models.DateField(blank=True, null=True)
     nationality = models.ForeignKey(
         "players.Nationality",
@@ -109,12 +110,14 @@ class Player(TimeStampedModel):
         ordering = ["full_name", "id"]
         constraints = [
             models.UniqueConstraint(
-                fields=["full_name", "birth_date"],
-                name="uq_player_full_name_birth_date",
+                fields=["source_name", "source_uid"],
+                condition=models.Q(source_uid__isnull=False) & ~models.Q(source_uid=""),
+                name="uq_player_source_namespace_uid",
             )
         ]
         indexes = [
             models.Index(fields=["full_name"]),
+            models.Index(fields=["source_name", "source_uid"]),
             models.Index(fields=["source_uid"]),
             models.Index(fields=["last_name", "first_name"]),
             models.Index(fields=["birth_date"]),