Triggers Digital Bookplates Instances DAG

libsys_airflow/dags/digital_bookplates/digital_bookplate_instances.py

@@ -1,9 +1,11 @@
 from datetime import datetime, timedelta
 
-from airflow.decorators import dag
+from airflow.decorators import dag, task
 from airflow.operators.empty import EmptyOperator
+from airflow.operators.python import get_current_context
 from airflow.timetables.interval import CronDataIntervalTimetable
 
+
 from libsys_airflow.plugins.digital_bookplates.bookplates import (
     bookplate_fund_po_lines,
     launch_add_979_fields_task,
@@ -43,11 +45,19 @@ def digital_bookplate_instances():
 
     end = EmptyOperator(task_id="end")
 
+    @task
+    def get_funds() -> list:
+        context = get_current_context()
+        params = context.get("params", {})  # type: ignore
+        return params.get("funds", [])
+
+    funds = get_funds()
+
     retrieve_paid_invoices = invoices_paid_within_date_range()
 
     retrieve_paid_invoice_lines = invoice_lines_from_invoices(retrieve_paid_invoices)
 
-    filter_paid_invoice_lines = filter_invoice_lines(retrieve_paid_invoice_lines)
+    filter_paid_invoice_lines = filter_invoice_lines(retrieve_paid_invoice_lines, funds)
 
     retrieve_bookplate_fund_po_lines = bookplate_fund_po_lines(
         filter_paid_invoice_lines
@@ -57,7 +67,7 @@ def digital_bookplate_instances():
 
     launch_add_tag_dag = launch_add_979_fields_task(instances=retrieve_instances)
 
-    start >> retrieve_paid_invoices
+    start >> [funds, retrieve_paid_invoices]
     launch_add_tag_dag >> end
 
 

libsys_airflow/dags/digital_bookplates/fetch_digital_bookplates.py

@@ -17,6 +17,7 @@
     extract_bookplate_metadata,
     fetch_druids,
     filter_updates_errors,
+    trigger_instances_dag,
 )
 
 
@@ -82,6 +83,8 @@ def fetch_digital_bookplates():
         >> end
     )
 
+    trigger_instances_dag(new=filtered_data["new"]) >> end
+
     start >> fetch_bookplate_purls >> db_results
 
 

libsys_airflow/plugins/digital_bookplates/purl_fetcher.py

@@ -4,6 +4,7 @@
 import httpx
 
 from airflow.decorators import task
+from airflow.operators.trigger_dagrun import TriggerDagRunOperator
 from airflow.providers.postgres.hooks.postgres import PostgresHook
 
 from jsonpath_ng.ext import parse
@@ -145,6 +146,18 @@ def filter_updates_errors(db_results: list) -> dict:
     return {"failures": failures, "new": new, "updates": updates}
 
 
+@task
+def trigger_instances_dag(**kwargs) -> bool:
+    new_funds = kwargs.get("new", [])
+    if len(new_funds) < 1:
+        logger.info("No new funds to trigger digital_bookplate_instances DAG")
+        return True
+    TriggerDagRunOperator.partial(
+        task_id="new-instance-dag", trigger_dag_id="digital_bookplate_instances"
+    ).expand(**{"logical_date": "2023-08-28T00:00:00+00:00", "funds": new_funds})
+    return True
+
+
 def _add_bookplate(metadata: dict, session: Session) -> dict:
     new_bookplate = DigitalBookplate(
         created=datetime.datetime.utcnow(),

libsys_airflow/plugins/folio/invoices.py

@@ -142,7 +142,7 @@ def invoice_lines_from_invoices(invoices: list) -> list:
 
 
 @task
-def filter_invoice_lines(invoice_lines: list) -> list:
+def filter_invoice_lines(invoice_lines: list, funds: list) -> list:
     """
     Given a list of invoice line dictionaries,
     Filters invoice lines to only those with fund IDs and po line IDs

tests/digital_bookplates/test_purl_fetcher.py

@@ -13,6 +13,8 @@
     check_deleted_from_argo,
     extract_bookplate_metadata,
     fetch_druids,
+    filter_updates_errors,
+    trigger_instances_dag,
 )
 
 rows = Rows(
@@ -186,6 +188,14 @@ def test_failed_bookplate(pg_hook):
     assert result["failure"]["druid"] == "ef919yq2614"
 
 
+def test_filter_updates_errors():
+    db_results = [{"failure": {}}, {"new": {}}, {"update": {}}]
+
+    result = filter_updates_errors.function(db_results)
+
+    assert result['failures'] == [{}]
+
+
 def test_missing_image_file(mocker):
 
     mocker.patch(
@@ -248,6 +258,12 @@ def test_new_bookplate(pg_hook):
     assert result["new"]["db_id"] == 4
 
 
+def test_trigger_instances_dag_no_new(caplog):
+    trigger_instances_dag.function(new=[])
+
+    assert "No new funds to trigger digital_bookplate_instances DAG" in caplog.text
+
+
 def test_update_bookplate(pg_hook):
     updated_metadata = {
         "druid": "ab123xy4567",

tests/test_invoices.py

@@ -162,8 +162,8 @@ def test_invoice_lines_from_invoices(mocker, mock_folio_client, caplog):
     assert len(invoice_lines) == 2
 
 
-def test_filter_invoice_liness(mock_invoice_lines):
-    invoice_lines_data_struct = filter_invoice_lines.function(mock_invoice_lines)
+def test_filter_invoice_lines(mock_invoice_lines):
+    invoice_lines_data_struct = filter_invoice_lines.function(mock_invoice_lines, [])
     assert len(invoice_lines_data_struct) == 2
     for v in invoice_lines_data_struct[0].values():
         assert v["fund_ids"] == ["3eb86c5f-c77b-4cc9-8f29-7de7ce313411"]