added explicit errors when trying to truncate view collections or deleting view records

core/collection_query.go

@@ -176,6 +176,10 @@ func (app *BaseApp) FindCollectionReferences(collection *Collection, excludeIds
 // Note that this method will also trigger the records related
 // cascade and file delete actions.
 func (app *BaseApp) TruncateCollection(collection *Collection) error {
+	if collection.IsView() {
+		return errors.New("view collections cannot be truncated since they don't store their own records.")
+	}
+
 	return app.RunInTransaction(func(txApp App) error {
 		records := make([]*Record, 0, 500)
 

core/collection_query_test.go

@@ -299,6 +299,18 @@ func TestFindCollectionTruncate(t *testing.T) {
 		return len(entries), err
 	}
 
+	t.Run("truncate view", func(t *testing.T) {
+		view2, err := app.FindCollectionByNameOrId("view2")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		err = app.TruncateCollection(view2)
+		if err == nil {
+			t.Fatalf("Expected truncate to fail because view collections can't be truncated")
+		}
+	})
+
 	t.Run("truncate failure", func(t *testing.T) {
 		demo3, err := app.FindCollectionByNameOrId("demo3")
 		if err != nil {

core/record_model.go

@@ -378,7 +378,13 @@ func (app *BaseApp) registerRecordHooks() {
 				e.Context,
 				e.App,
 				InterceptorActionDelete,
-				e.Next,
+				func() error {
+					if e.Record.Collection().IsView() {
+						return errors.New("view records cannot be deleted")
+					}
+
+					return e.Next()
+				},
 			)
 		},
 		Priority: -99,

core/record_model_test.go

@@ -1841,9 +1841,21 @@ func TestRecordDelete(t *testing.T) {
 
 	// delete unsaved record
 	// ---
-	rec0 := core.NewRecord(demoCollection)
-	if err := app.Delete(rec0); err == nil {
-		t.Fatal("(rec0) Didn't expect to succeed deleting unsaved record")
+	newRec := core.NewRecord(demoCollection)
+	if err := app.Delete(newRec); err == nil {
+		t.Fatal("(newRec) Didn't expect to succeed deleting unsaved record")
+	}
+
+	// delete view record
+	// ---
+	viewRec, _ := app.FindRecordById("view2", "84nmscqy84lsi1t")
+	if err := app.Delete(viewRec); err == nil {
+		t.Fatal("(viewRec) Didn't expect to succeed deleting view record")
+	}
+	// check if it still exists
+	viewRec, _ = app.FindRecordById(viewRec.Collection().Id, viewRec.Id)
+	if viewRec == nil {
+		t.Fatal("(viewRec) Expected view record to still exists")
 	}
 
 	// delete existing record + external auths