71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
// Package mapper 数据访问层
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package mapper
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import (
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"server/config"
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"server/modules/user/entity"
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"gorm.io/gorm"
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)
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type UserMapper struct {
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db *gorm.DB
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}
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func NewUserMapper() *UserMapper {
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return &UserMapper{db: config.DB}
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}
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func (m *UserMapper) baseDB() *gorm.DB {
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return m.db
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}
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// GetDB 获取数据库实例，默认过滤软删除
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func (m *UserMapper) GetDB() *gorm.DB {
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return m.baseDB().Where("deleted = 0")
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}
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// FindAll 分页查询
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func (m *UserMapper) FindAll(page, size int) ([]entity.User, int64, error) {
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var items []entity.User
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var total int64
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query := m.GetDB().Model(&entity.User{})
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query.Count(&total)
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err := query.Offset((page - 1) * size).Limit(size).Find(&items).Error
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return items, total, err
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}
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// FindByID 根据 ID 查询
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func (m *UserMapper) FindByID(id int64) (*entity.User, error) {
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var item entity.User
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err := m.GetDB().First(&item, "id = ?", id).Error
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return &item, err
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}
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// FindByPhone 根据手机号查询
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func (m *UserMapper) FindByPhone(phone string) (*entity.User, error) {
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var item entity.User
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err := m.GetDB().First(&item, "phone = ?", phone).Error
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return &item, err
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}
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// Create 创建记录
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func (m *UserMapper) Create(item *entity.User) error {
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return m.baseDB().Create(item).Error
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}
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// Update 更新记录
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func (m *UserMapper) Update(item *entity.User) error {
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return m.baseDB().Save(item).Error
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}
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// UpdateFields 更新指定字段
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func (m *UserMapper) UpdateFields(id int64, fields map[string]interface{}) error {
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return m.baseDB().Model(&entity.User{}).Where("id = ?", id).Updates(fields).Error
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}
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// Delete 逻辑删除
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func (m *UserMapper) Delete(id int64) error {
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return m.baseDB().Model(&entity.User{}).Where("id = ?", id).Update("deleted", 1).Error
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}
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