dify

dify/api/services/document_indexing_task_proxy.py

@@ -0,0 +1,83 @@
+import logging
+from collections.abc import Callable, Sequence
+from dataclasses import asdict
+from functools import cached_property
+
+from core.entities.document_task import DocumentTask
+from core.rag.pipeline.queue import TenantIsolatedTaskQueue
+from enums.cloud_plan import CloudPlan
+from services.feature_service import FeatureService
+from tasks.document_indexing_task import normal_document_indexing_task, priority_document_indexing_task
+
+logger = logging.getLogger(__name__)
+
+
+class DocumentIndexingTaskProxy:
+    def __init__(self, tenant_id: str, dataset_id: str, document_ids: Sequence[str]):
+        self._tenant_id = tenant_id
+        self._dataset_id = dataset_id
+        self._document_ids = document_ids
+        self._tenant_isolated_task_queue = TenantIsolatedTaskQueue(tenant_id, "document_indexing")
+
+    @cached_property
+    def features(self):
+        return FeatureService.get_features(self._tenant_id)
+
+    def _send_to_direct_queue(self, task_func: Callable[[str, str, Sequence[str]], None]):
+        logger.info("send dataset %s to direct queue", self._dataset_id)
+        task_func.delay(  # type: ignore
+            tenant_id=self._tenant_id, dataset_id=self._dataset_id, document_ids=self._document_ids
+        )
+
+    def _send_to_tenant_queue(self, task_func: Callable[[str, str, Sequence[str]], None]):
+        logger.info("send dataset %s to tenant queue", self._dataset_id)
+        if self._tenant_isolated_task_queue.get_task_key():
+            # Add to waiting queue using List operations (lpush)
+            self._tenant_isolated_task_queue.push_tasks(
+                [
+                    asdict(
+                        DocumentTask(
+                            tenant_id=self._tenant_id, dataset_id=self._dataset_id, document_ids=self._document_ids
+                        )
+                    )
+                ]
+            )
+            logger.info("push tasks: %s - %s", self._dataset_id, self._document_ids)
+        else:
+            # Set flag and execute task
+            self._tenant_isolated_task_queue.set_task_waiting_time()
+            task_func.delay(  # type: ignore
+                tenant_id=self._tenant_id, dataset_id=self._dataset_id, document_ids=self._document_ids
+            )
+            logger.info("init tasks: %s - %s", self._dataset_id, self._document_ids)
+
+    def _send_to_default_tenant_queue(self):
+        self._send_to_tenant_queue(normal_document_indexing_task)
+
+    def _send_to_priority_tenant_queue(self):
+        self._send_to_tenant_queue(priority_document_indexing_task)
+
+    def _send_to_priority_direct_queue(self):
+        self._send_to_direct_queue(priority_document_indexing_task)
+
+    def _dispatch(self):
+        logger.info(
+            "dispatch args: %s - %s - %s",
+            self._tenant_id,
+            self.features.billing.enabled,
+            self.features.billing.subscription.plan,
+        )
+        # dispatch to different indexing queue with tenant isolation when billing enabled
+        if self.features.billing.enabled:
+            if self.features.billing.subscription.plan == CloudPlan.SANDBOX:
+                # dispatch to normal pipeline queue with tenant self sub queue for sandbox plan
+                self._send_to_default_tenant_queue()
+            else:
+                # dispatch to priority pipeline queue with tenant self sub queue for other plans
+                self._send_to_priority_tenant_queue()
+        else:
+            # dispatch to priority queue without tenant isolation for others, e.g.: self-hosted or enterprise
+            self._send_to_priority_direct_queue()
+
+    def delay(self):
+        self._dispatch()