migrate from github

internal/repository/membership_repo/query_user_group.go

@@ -0,0 +1,69 @@
+package membership_repo
+
+import (
+	"strings"
+
+	"github.com/XingfenD/yoresee_doc/internal/model"
+	"gorm.io/gorm"
+)
+
+type QueryUserGroupOperation struct {
+	repo     *MembershipRepository
+	tx       *gorm.DB
+	keyword  *string
+	page     int
+	pageSize int
+}
+
+func (r *MembershipRepository) QueryUserGroup() *QueryUserGroupOperation {
+	return &QueryUserGroupOperation{
+		repo: r,
+	}
+}
+
+func (op *QueryUserGroupOperation) WithTx(tx *gorm.DB) *QueryUserGroupOperation {
+	op.tx = tx
+	return op
+}
+
+func (op *QueryUserGroupOperation) WithKeyword(keyword *string) *QueryUserGroupOperation {
+	op.keyword = keyword
+	return op
+}
+
+func (op *QueryUserGroupOperation) WithPagination(page, pageSize int) *QueryUserGroupOperation {
+	op.page = page
+	op.pageSize = pageSize
+	return op
+}
+
+func (op *QueryUserGroupOperation) ExecWithTotal() ([]model.UserGroupMeta, int64, error) {
+	if op.tx == nil {
+		op.tx = op.repo.db
+	}
+
+	query := op.tx.Model(&model.UserGroupMeta{})
+	if op.keyword != nil {
+		trimmed := strings.TrimSpace(*op.keyword)
+		if trimmed != "" {
+			like := "%" + trimmed + "%"
+			query = query.Where("name ILIKE ? OR description ILIKE ?", like, like)
+		}
+	}
+
+	var total int64
+	if err := query.Count(&total).Error; err != nil {
+		return nil, 0, err
+	}
+
+	if op.page > 0 && op.pageSize > 0 {
+		offset := (op.page - 1) * op.pageSize
+		query = query.Offset(offset).Limit(op.pageSize)
+	}
+
+	var userGroups []model.UserGroupMeta
+	if err := query.Order("id DESC").Find(&userGroups).Error; err != nil {
+		return nil, 0, err
+	}
+	return userGroups, total, nil
+}