finish setup data insertion, add world insertion

internal/foundry/temp_models/db/item.go

@@ -1,5 +1,15 @@
 package db
 
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"fmt"
+
+	"github.com/jmoiron/sqlx"
+	"golang.org/x/sync/errgroup"
+)
+
 type Item struct {
 	ID string
 
@@ -11,3 +21,54 @@ type Item struct {
 	Stats     Stats
 	Ownership []OwnershipString
 }
+
+func (i *Item) Query(data *InsertId[uint]) {
+	data.query = fmt.Sprintf(`
+		INSERT INTO world_folder (%s, id, img, name, type, folder, sort)
+		VALUES ($1, $2, $3, $4, $5, $6, $7)
+		RETURNING id`, data.fieldName)
+}
+
+func (i *Item) InsertObjects(tx *sqlx.Tx) error {
+	group, ctx := errgroup.WithContext(context.Background())
+
+	relId := InsertId[string]{id: i.ID, fieldName: "item_id"}
+	InsertWithCtxParallel(group, ctx, tx, i.Stats, relId)
+	InsertSliceParallel(group, tx, i.Ownership, relId)
+
+	err := group.Wait()
+	if err != nil && !errors.Is(err, sql.ErrNoRows) {
+		return err
+	}
+	return nil
+}
+
+func (i *Item) Insert(tx *sqlx.Tx, data *InsertId[uint]) error {
+	if data.query == "" {
+		return ErrNoQuery
+	}
+
+	args := []any{data.id, i.ID, i.Img, i.Name, i.Type, i.Folder, i.Sort}
+
+	_, err := tx.Exec(data.query, args...)
+	if err != nil {
+		return err
+	}
+
+	return i.InsertObjects(tx)
+}
+
+func (i *Item) InsertCtx(ctx context.Context, tx *sqlx.Tx, data *InsertId[uint]) error {
+	if data.query == "" {
+		return ErrNoQuery
+	}
+
+	args := []any{data.id, i.ID, i.Img, i.Name, i.Type, i.Folder, i.Sort}
+
+	_, err := tx.ExecContext(ctx, data.query, args...)
+	if err != nil {
+		return err
+	}
+
+	return i.InsertObjects(tx)
+}