mirror of
https://github.com/TeaOSLab/EdgeAPI.git
synced 2025-11-05 01:20:25 +08:00
139 lines
3.3 KiB
Go
139 lines
3.3 KiB
Go
package models
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import (
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"encoding/json"
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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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"strconv"
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)
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const (
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ClientBrowserStateEnabled = 1 // 已启用
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ClientBrowserStateDisabled = 0 // 已禁用
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)
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var clientBrowserNameAndIdCacheMap = map[string]int64{}
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type ClientBrowserDAO dbs.DAO
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func NewClientBrowserDAO() *ClientBrowserDAO {
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return dbs.NewDAO(&ClientBrowserDAO{
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DAOObject: dbs.DAOObject{
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DB: Tea.Env,
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Table: "edgeClientBrowsers",
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Model: new(ClientBrowser),
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PkName: "id",
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},
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}).(*ClientBrowserDAO)
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}
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var SharedClientBrowserDAO *ClientBrowserDAO
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func init() {
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dbs.OnReady(func() {
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SharedClientBrowserDAO = NewClientBrowserDAO()
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})
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}
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// EnableClientBrowser 启用条目
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func (this *ClientBrowserDAO) EnableClientBrowser(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", ClientBrowserStateEnabled).
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Update()
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return err
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}
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// DisableClientBrowser 禁用条目
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func (this *ClientBrowserDAO) DisableClientBrowser(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", ClientBrowserStateDisabled).
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Update()
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return err
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}
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// FindEnabledClientBrowser 查找启用中的条目
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func (this *ClientBrowserDAO) FindEnabledClientBrowser(tx *dbs.Tx, id int64) (*ClientBrowser, error) {
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result, err := this.Query(tx).
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Pk(id).
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Attr("state", ClientBrowserStateEnabled).
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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.(*ClientBrowser), err
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}
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// FindClientBrowserName 根据主键查找名称
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func (this *ClientBrowserDAO) FindClientBrowserName(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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// FindBrowserIdWithNameCacheable 根据浏览器名称查找浏览器ID
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func (this *ClientBrowserDAO) FindBrowserIdWithNameCacheable(tx *dbs.Tx, browserName string) (int64, error) {
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SharedCacheLocker.RLock()
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browserId, ok := clientBrowserNameAndIdCacheMap[browserName]
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if ok {
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SharedCacheLocker.RUnlock()
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return browserId, nil
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}
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SharedCacheLocker.RUnlock()
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browserId, err := this.Query(tx).
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Where("JSON_CONTAINS(codes, :browserName)").
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Param("browserName", strconv.Quote(browserName)). // 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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if browserId > 0 {
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// 只有找到的时候才放入缓存，以便于我们可以在不存在的时候创建一条新的记录
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SharedCacheLocker.Lock()
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clientBrowserNameAndIdCacheMap[browserName] = browserId
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SharedCacheLocker.Unlock()
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}
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return browserId, nil
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}
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// CreateBrowser 创建浏览器
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func (this *ClientBrowserDAO) CreateBrowser(tx *dbs.Tx, browserName string) (int64, error) {
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var maxlength = 50
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if len(browserName) > maxlength {
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browserName = browserName[:50]
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}
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SharedCacheLocker.Lock()
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defer SharedCacheLocker.Unlock()
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// 检查是否已经创建
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browserId, err := this.Query(tx).
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Attr("name", browserName).
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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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if browserId > 0 {
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return browserId, nil
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}
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op := NewClientBrowserOperator()
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op.Name = browserName
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codes := []string{browserName}
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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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op.State = ClientBrowserStateEnabled
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return this.SaveInt64(tx, op)
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}
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