migrate from github

internal/repository/comment_repo/create.go

@@ -0,0 +1,35 @@
+package comment_repo
+
+import (
+	"github.com/XingfenD/yoresee_doc/internal/model"
+	"gorm.io/gorm"
+)
+
+type CommentCreateOperation struct {
+	repo *CommentRepository
+	item *model.DocumentComment
+	tx   *gorm.DB
+}
+
+func (r *CommentRepository) Create(item *model.DocumentComment) *CommentCreateOperation {
+	return &CommentCreateOperation{
+		repo: r,
+		item: item,
+	}
+}
+
+func (op *CommentCreateOperation) WithTx(tx *gorm.DB) *CommentCreateOperation {
+	op.tx = tx
+	return op
+}
+
+func (op *CommentCreateOperation) Exec() error {
+	if op.item == nil {
+		return nil
+	}
+	db := op.repo.db
+	if op.tx != nil {
+		db = op.tx
+	}
+	return db.Create(op.item).Error
+}