mirror of https://github.com/ouqiang/gocron
124 lines
3.0 KiB
Go
124 lines
3.0 KiB
Go
package models
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import (
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"fmt"
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_ "github.com/go-sql-driver/mysql"
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"github.com/go-xorm/core"
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"github.com/go-xorm/xorm"
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"gopkg.in/macaron.v1"
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"strings"
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"github.com/ouqiang/gocron/modules/logger"
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"github.com/ouqiang/gocron/modules/app"
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"time"
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"github.com/ouqiang/gocron/modules/setting"
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)
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type Status int8
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type CommonMap map[string]interface{}
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var TablePrefix string = ""
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var Db *xorm.Engine
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const (
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Disabled Status = 0 // 禁用
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Failure Status = 0 // 失败
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Enabled Status = 1 // 启用
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Running Status = 1 // 运行中
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Finish Status = 2 // 完成
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Cancel Status = 3 // 取消
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Waiting Status = 5 // 等待中
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)
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const (
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Page = 1 // 当前页数
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PageSize = 20 // 每页多少条数据
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MaxPageSize = 100000 // 每次最多取多少条
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)
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const DefaultTimeFormat = "2006-01-02 15:04:05"
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type BaseModel struct {
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Page int `xorm:"-"`
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PageSize int `xorm:"-"`
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}
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func (model *BaseModel) parsePageAndPageSize(params CommonMap) {
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page, ok := params["Page"]
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if ok {
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model.Page = page.(int)
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}
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pageSize, ok := params["PageSize"]
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if ok {
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model.PageSize = pageSize.(int)
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}
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if model.Page <= 0 {
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model.Page = Page
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}
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if model.PageSize <= 0 {
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model.PageSize = MaxPageSize
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}
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}
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func (model *BaseModel) pageLimitOffset() int {
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return (model.Page - 1) * model.PageSize
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}
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// 创建Db
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func CreateDb() *xorm.Engine {
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dsn := getDbEngineDSN(app.Setting)
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engine, err := xorm.NewEngine(app.Setting.Db.Engine, dsn)
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if err != nil {
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logger.Fatal("创建xorm引擎失败", err)
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}
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engine.SetMaxIdleConns(app.Setting.Db.MaxIdleConns)
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engine.SetMaxOpenConns(app.Setting.Db.MaxOpenConns)
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if app.Setting.Db.Prefix != "" {
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// 设置表前缀
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TablePrefix = app.Setting.Db.Prefix
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mapper := core.NewPrefixMapper(core.SnakeMapper{}, app.Setting.Db.Prefix)
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engine.SetTableMapper(mapper)
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}
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// 本地环境开启日志
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if macaron.Env == macaron.DEV {
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engine.ShowSQL(true)
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engine.Logger().SetLevel(core.LOG_DEBUG)
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}
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go keepDbAlived(engine)
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return engine
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}
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// 创建临时数据库连接
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func CreateTmpDb(setting *setting.Setting) (*xorm.Engine, error) {
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dsn := getDbEngineDSN(setting)
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return xorm.NewEngine(setting.Db.Engine, dsn)
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}
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// 获取数据库引擎DSN mysql,sqlite
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func getDbEngineDSN(setting *setting.Setting) string {
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engine := strings.ToLower(setting.Db.Engine)
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var dsn string = ""
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switch engine {
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case "mysql":
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dsn = fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=%s",
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setting.Db.User,
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setting.Db.Password,
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setting.Db.Host,
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setting.Db.Port ,
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setting.Db.Database,
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setting.Db.Charset)
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}
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return dsn
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}
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func keepDbAlived(engine *xorm.Engine) {
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t := time.Tick(180 * time.Second)
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for {
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<- t
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engine.Ping()
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}
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} |