migrate from github

internal/repository/template_repo/mget_by_ids.go

@@ -0,0 +1,39 @@
+package template_repo
+
+import (
+	"github.com/XingfenD/yoresee_doc/internal/model"
+	"gorm.io/gorm"
+)
+
+type TemplateMGetByIDsOperation struct {
+	repo *TemplateRepository
+	ids  []int64
+	tx   *gorm.DB
+}
+
+func (r *TemplateRepository) MGetByIDs(ids []int64) *TemplateMGetByIDsOperation {
+	return &TemplateMGetByIDsOperation{
+		repo: r,
+		ids:  ids,
+	}
+}
+
+func (op *TemplateMGetByIDsOperation) WithTx(tx *gorm.DB) *TemplateMGetByIDsOperation {
+	op.tx = tx
+	return op
+}
+
+func (op *TemplateMGetByIDsOperation) Exec() ([]*model.Template, error) {
+	db := op.repo.db
+	if op.tx != nil {
+		db = op.tx
+	}
+	var templates []*model.Template
+	if len(op.ids) == 0 {
+		return templates, nil
+	}
+	if err := db.Where("id IN ?", op.ids).Find(&templates).Error; err != nil {
+		return nil, err
+	}
+	return templates, nil
+}