Исправлена дедупликация задач синхронизации контакта

2026-08-05 12:59:27 +03:00
parent 1a420eeaf0
commit 5100ba9fc3
3 changed files with 92 additions and 3 deletions
@@ -0,0 +1,75 @@
+"""Deduplicate contact mapping and skip no-op identity updates.
+
+Revision ID: 0010_contact_map_dedup
+Revises: 0009_chat_message_max
+Create Date: 2026-08-05
+"""
+
+from collections.abc import Sequence
+
+from alembic import op
+
+revision: str = "0010_contact_map_dedup"
+down_revision: str | None = "0009_chat_message_max"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    op.execute(
+        """
+        CREATE OR REPLACE FUNCTION han_app.enqueue_contact_sync()
+        RETURNS trigger
+        LANGUAGE plpgsql
+        SECURITY INVOKER
+        SET search_path = han_app, pg_temp
+        AS $$
+        DECLARE
+            v_entity_id uuid;
+            v_task_type text;
+            v_dedup text;
+        BEGIN
+            IF current_setting('han.sync_suppress', true) = 'true' THEN
+                RETURN NEW;
+            END IF;
+            IF TG_TABLE_NAME = 'user_identities' THEN
+                IF TG_OP = 'UPDATE'
+                   AND NEW.phone_number IS NOT DISTINCT FROM OLD.phone_number
+                   AND NEW.record_status IS NOT DISTINCT FROM OLD.record_status THEN
+                    RETURN NEW;
+                END IF;
+                v_entity_id := NEW.id;
+                v_task_type := CASE WHEN TG_OP = 'INSERT'
+                    THEN 'contact.map_or_create' ELSE 'contact.update' END;
+            ELSE
+                v_entity_id := NEW.user_id;
+                v_task_type := CASE WHEN TG_OP = 'INSERT'
+                    THEN 'contact.map_or_create' ELSE 'contact.update' END;
+            END IF;
+
+            IF v_task_type = 'contact.map_or_create' THEN
+                -- Identity and profile are inserted during the same bootstrap.
+                -- A stable key collapses both triggers into one logical task.
+                v_dedup := v_task_type || ':' || v_entity_id::text;
+            ELSE
+                v_dedup := v_task_type || ':' || v_entity_id::text || ':' ||
+                    encode(public.digest(row_to_json(NEW)::text, 'sha256'), 'hex');
+            END IF;
+
+            INSERT INTO han_app.sync_queue
+                (id, task_type, entity_type, entity_id, dedup_key, payload_json,
+                 status, attempt_count, next_attempt_at, created_at, updated_at)
+            VALUES
+                (gen_random_uuid(), v_task_type, 'contact', v_entity_id, v_dedup,
+                 jsonb_build_object('entity_id', v_entity_id), 'pending', 0,
+                 now(), now(), now())
+            ON CONFLICT (dedup_key) DO NOTHING;
+            RETURN NEW;
+        END;
+        $$
+        """
+    )
+
+
+def downgrade() -> None:
+    raise RuntimeError("Contact map-or-create deduplication migration is forward-only")