From e7fa182cb4bf77d2624d3b645a558a723bad3f1b Mon Sep 17 00:00:00 2001
From: Pavel Merzlyakov <panekmerzlyakov@gmail.com>
Date: Mon, 31 Jul 2023 17:48:54 +0300
Subject: [PATCH] db_skip token support

---
 src/codegen.inc.php    |  1 +
 tpl/macros_struct.twig | 20 +++++++++-----------
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/src/codegen.inc.php b/src/codegen.inc.php
index ac39433..aad2a8f 100644
--- a/src/codegen.inc.php
+++ b/src/codegen.inc.php
@@ -39,6 +39,7 @@ function supported_tokens()
     'table',
     'table_pkey',
     'table_json_kv',
+    'db_skip',
 
     'data_root',
     'bitfields',
diff --git a/tpl/macros_struct.twig b/tpl/macros_struct.twig
index 854c419..03ced6f 100644
--- a/tpl/macros_struct.twig
+++ b/tpl/macros_struct.twig
@@ -189,7 +189,7 @@ func Save{{ s.name }}Diff(ctx context.Context, dbe metadb.Execer, rec {{ s.name
 
 {% macro root_save(s) %}
 func Save{{ s.name }}(ctx context.Context, dbe metadb.Execer, rec {{ s.name }}) error {
-	{%~ for f in s.fields %}
+	{%~ for f in s.fields|filter(f => not has_token(f, 'db_skip')) %}
 	{%~ if f.type is array %}
 	if err := Save{{ f.type.value.name }}Collection(ctx, dbe, rec.{{ f|fname }}); err != nil {
 		return err
@@ -207,7 +207,7 @@ func Save{{ s.name }}(ctx context.Context, dbe metadb.Execer, rec {{ s.name }})
 
 {% macro root_save_diff(s) %}
 func Save{{ s.name }}Diff(ctx context.Context, dbe metadb.Execer, rec {{ s.name }}) error {
-	{%~ for f in s.fields %}
+	{%~ for f in s.fields|filter(f => not has_token(f, 'db_skip')) %}
 	{%~ if f.type is array %}
 	if err := Save{{ f.type.value.name }}CollectionDiff(ctx, dbe, rec.{{ f|fname }}); err != nil {
 		return err
@@ -226,11 +226,15 @@ func Save{{ s.name }}Diff(ctx context.Context, dbe metadb.Execer, rec {{ s.name
 {% macro root_delete(s) %}
 {% set delete_by = meta_field(token(s, 'data_root')) %}
 func Delete{{ s.name }}(ctx context.Context, dbe metadb.Execer, {{ delete_by|varname }} {{ delete_by.type|go_type }}) error {
-	{%~ for f in s.fields %}
+	{%~ for f in s.fields|filter(f => not has_token(f, 'db_skip')) %}
 	{%~ if f.type is array %}
 	if err := Delete{{ f.type.value.name }}Collection(ctx, dbe, {{ delete_by|varname }}); err != nil {
 		return err
 	}
+	{%~ elseif f.type is struct %}
+	if _, err := Delete{{ f.type.name }}(ctx, dbe, {{ delete_by|varname }}); err != nil {
+		return err
+	}
 	{%~ else %}
 	if err := Delete{{ f.type.name }}(ctx, dbe, {{ delete_by|varname }}); err != nil {
 		return err
@@ -244,16 +248,10 @@ func Delete{{ s.name }}(ctx context.Context, dbe metadb.Execer, {{ delete_by|var
 
 {% macro root_delete_diff(s) %}
 func Delete{{ s.name }}Diff(ctx context.Context, dbe metadb.Execer, ids {{ s.name }}RemovedIds) error {
-	{%~ for f in s.fields %}
-	{%~ if f.type is array %}
+	{%~ for f in s.fields|filter(f => not has_token(f, 'db_skip') and f.type is array) %}
 	if err := Delete{{ f.type.value.name }}CollectionById(ctx, dbe, ids.{{ f|fname }}); err != nil {
 		return err
 	}
-	{%~ else %}
-	if err := Delete{{ f.type.name }}ById(ctx, dbe, ids.{{ f|fname }}); err != nil {
-		return err
-	}
-	{%~ endif %}
 	{%~ endfor %}
 	return nil
 }
@@ -264,7 +262,7 @@ func Delete{{ s.name }}Diff(ctx context.Context, dbe metadb.Execer, ids {{ s.nam
 {% set load_by = meta_field(token(s, 'data_root')) %}
 func Load{{ s.name }}(ctx context.Context, dbq metadb.Querier, {{ load_by|varname }} {{ load_by.type|go_type }}) ({{ s.name }}, error) {
 	var s {{ s.name }}
-	{%~ for f in s.fields %}
+	{%~ for f in s.fields|filter(f => not has_token(f, 'db_skip')) %}
 	{%~ if f.type is array %}
 	{{ f|varname }}, err := Load{{ f.type.value.name }}Collection(ctx, dbq, {{ load_by|varname }})
 	{%~ else %}