mirror of
https://github.com/TeaOSLab/EdgeAPI.git
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134 lines
3.1 KiB
Go
134 lines
3.1 KiB
Go
package regions
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import (
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"encoding/json"
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"github.com/TeaOSLab/EdgeAPI/internal/utils/numberutils"
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_ "github.com/go-sql-driver/mysql"
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"github.com/iwind/TeaGo/Tea"
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"github.com/iwind/TeaGo/dbs"
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"github.com/iwind/TeaGo/types"
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)
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const (
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RegionCityStateEnabled = 1 // 已启用
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RegionCityStateDisabled = 0 // 已禁用
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)
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type RegionCityDAO dbs.DAO
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var regionCityNameAndIdCacheMap = map[string]int64{} // city name @ province id => id
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func NewRegionCityDAO() *RegionCityDAO {
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return dbs.NewDAO(&RegionCityDAO{
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DAOObject: dbs.DAOObject{
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DB: Tea.Env,
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Table: "edgeRegionCities",
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Model: new(RegionCity),
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PkName: "id",
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},
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}).(*RegionCityDAO)
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}
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var SharedRegionCityDAO *RegionCityDAO
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func init() {
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dbs.OnReady(func() {
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SharedRegionCityDAO = NewRegionCityDAO()
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})
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}
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// 启用条目
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func (this *RegionCityDAO) EnableRegionCity(tx *dbs.Tx, id uint32) error {
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_, err := this.Query(tx).
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Pk(id).
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Set("state", RegionCityStateEnabled).
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Update()
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return err
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}
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// 禁用条目
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func (this *RegionCityDAO) DisableRegionCity(tx *dbs.Tx, id uint32) error {
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_, err := this.Query(tx).
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Pk(id).
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Set("state", RegionCityStateDisabled).
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Update()
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return err
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}
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// 查找启用中的条目
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func (this *RegionCityDAO) FindEnabledRegionCity(tx *dbs.Tx, id int64) (*RegionCity, error) {
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result, err := this.Query(tx).
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Pk(id).
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Attr("state", RegionCityStateEnabled).
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Find()
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if result == nil {
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return nil, err
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}
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return result.(*RegionCity), err
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}
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// 根据主键查找名称
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func (this *RegionCityDAO) FindRegionCityName(tx *dbs.Tx, id uint32) (string, error) {
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return this.Query(tx).
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Pk(id).
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Result("name").
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FindStringCol("")
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}
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// 根据数据ID查找城市
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func (this *RegionCityDAO) FindCityWithDataId(tx *dbs.Tx, dataId string) (int64, error) {
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return this.Query(tx).
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Attr("dataId", dataId).
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ResultPk().
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FindInt64Col(0)
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}
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// 创建城市
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func (this *RegionCityDAO) CreateCity(tx *dbs.Tx, provinceId int64, name string, dataId string) (int64, error) {
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op := NewRegionCityOperator()
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op.ProvinceId = provinceId
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op.Name = name
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op.DataId = dataId
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op.State = RegionCityStateEnabled
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codes := []string{name}
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codesJSON, err := json.Marshal(codes)
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if err != nil {
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return 0, err
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}
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op.Codes = codesJSON
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err = this.Save(tx, op)
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if err != nil {
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return 0, err
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}
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return types.Int64(op.Id), nil
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}
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// 根据城市名查找城市ID
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func (this *RegionCityDAO) FindCityIdWithNameCacheable(tx *dbs.Tx, provinceId int64, cityName string) (int64, error) {
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key := cityName + "@" + numberutils.FormatInt64(provinceId)
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SharedCacheLocker.RLock()
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cityId, ok := regionCityNameAndIdCacheMap[key]
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if ok {
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SharedCacheLocker.RUnlock()
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return cityId, nil
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}
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SharedCacheLocker.RUnlock()
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cityId, err := this.Query(tx).
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Attr("provinceId", provinceId).
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Where("JSON_CONTAINS(codes, :cityName)").
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Param("cityName", "\""+cityName+"\""). // 查询的需要是个JSON字符串，所以这里加双引号
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ResultPk().
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FindInt64Col(0)
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if err != nil {
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return 0, err
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}
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SharedCacheLocker.Lock()
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regionCityNameAndIdCacheMap[key] = cityId
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SharedCacheLocker.Unlock()
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return cityId, nil
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}
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