[wip] reproduce triangle issue

lib/utils.js

@@ -220,6 +220,7 @@
 
 const addDataSubjectForDetailsEntity = (row, log, req, entity, model) => {
   const dataSubjectInfo = getDataSubject(entity, model)
+  if (!dataSubjectInfo) debugger
   const role = dataSubjectInfo.dataSubjectEntity['@PersonalData.DataSubjectRole']
   log.data_subject.role ??= role
   log.data_subject.type = dataSubjectInfo.dataSubjectEntity.name

test/personal-data/crud.test.js

@@ -2146,4 +2146,19 @@
     await POST('/crud-5/A', { text: 'foo' }, { auth: ALICE })
     expect(_logs.length).toBe(1)
   })
+
+  test('triangle', async () => {
+    const { data: door } = await POST('/crud-5/Door', { text: 'door' }, { auth: ALICE })
+    try {
+      const { data: house } = await POST(
+        '/crud-5/House',
+        { text: 'house', doorID: door.ID, windows: [{ text: 'window' /* , doorID: door.ID */ }] },
+        { auth: ALICE }
+      )
+      expect(_logs.length).toBeGreaterThan(0) //> TODO
+    } catch (error) {
+      // current modeling leads to error during data subject lookup starting at Window
+      expect(error.response.status).toBe(500)
+    }
+  })
 })

test/personal-data/db/schema.cds

@@ -183,3 +183,39 @@ annotate C with @PersonalData      : {EntitySemantics: 'DataSubject'} {
   ID   @PersonalData.FieldSemantics: 'DataSubjectID';
   text @PersonalData.IsPotentiallyPersonal;
 }
+
+entity House {
+  key ID      : UUID;
+      text    : String;
+      windows : Composition of many Window on windows.house = $self;
+      doorID  : UUID;
+      door    : Association to one Door on door.ID = doorID;
+}
+
+entity Window {
+  key ID     : UUID;
+      text   : String;
+      house  : Association to one House;
+      // doorID : UUID;
+      // door   : Association to one Door on door.ID = doorID;
+}
+
+entity Door {
+  key ID       : UUID;
+      text     : String;
+}
+
+annotate House with @PersonalData  : {EntitySemantics: 'Other'} {
+  door @PersonalData.FieldSemantics: 'DataSubjectID';
+  text @PersonalData.IsPotentiallyPersonal;
+}
+
+annotate Window with @PersonalData : {EntitySemantics: 'Other'} {
+  // door @PersonalData.FieldSemantics: 'DataSubjectID';
+  text @PersonalData.IsPotentiallyPersonal;
+}
+
+annotate Door with @PersonalData   : {EntitySemantics: 'DataSubject'} {
+  ID   @PersonalData.FieldSemantics: 'DataSubjectID';
+  text @PersonalData.IsPotentiallyPersonal;
+}

test/personal-data/srv/crud-5.js

@@ -0,0 +1,6 @@
+module.exports = srv => {
+  srv.on('*', async function(req, next) {
+    debugger
+    return next()
+  })
+}

test/personal-data/srv/crud-service.cds

@@ -200,11 +200,16 @@ service CRUD_4 {
 }
 
 @path    : '/crud-5'
+@impl    : './crud-5.js'
 @requires: 'admin'
 service CRUD_5 {
 
   entity A                     as projection on db.A;
   entity B                     as projection on db.B;
   entity C                     as projection on db.C;
 
+  entity House                 as projection on db.House;
+  entity Window                as projection on db.Window;
+  entity Door                  as projection on db.Door;
+
 }