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package model
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import (
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"fmt"
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"github.com/fonchain/fonchain-container/pkg/config"
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"gopkg.in/ini.v1"
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"os"
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"strings"
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"time"
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"github.com/fonchain/fonchain-container/cmd/model"
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"github.com/fonchain/fonchain-container/pkg/m"
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"gorm.io/driver/mysql"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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"gorm.io/gorm/schema"
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)
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var DB *gorm.DB
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var (
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Db string
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DbHost string
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DbPort string
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DbUser string
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DbPassWord string
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DbLogName string
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)
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func Init(confPath string) {
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//从本地读取环境变量
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file, err := ini.Load(confPath)
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if err != nil {
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fmt.Println(m.ERROR_SERVER, err)
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}
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//加载数据库配置
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LoadMysqlData(file)
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//MySQL数据库
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path := strings.Join([]string{DbUser, ":", DbPassWord, "@tcp(", DbHost, ":", DbPort, ")/", DbLogName, "?charset=utf8mb4&parseTime=true&loc=Asia%2FShanghai"}, "")
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//连接数据库
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Database(path)
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//迁移表 如果需要就打开使用
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migration()
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// 生成视图 ，如果更新报错需要手动删除视图后再执行程序
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if err = generateModelView(); err != nil {
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fmt.Println("创建或更新视图失败，错误内容:", err.Error())
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os.Exit(1)
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}
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}
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func LoadMysqlData(file *ini.File) {
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Db = file.Section("mysql").Key("Db").String()
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DbHost = file.Section("mysql").Key("DbHost").String()
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DbPort = file.Section("mysql").Key("DbPort").String()
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DbUser = file.Section("mysql").Key("DbUser").String()
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DbPassWord = file.Section("mysql").Key("DbPassWord").String()
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DbLogName = file.Section("mysql").Key("DbName").String()
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fmt.Println("数据库配置=====================================================")
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fmt.Println("\tDb:", Db)
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fmt.Println("\tDbHost:", DbHost)
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fmt.Println("\tDbPort:", DbPort)
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fmt.Println("\tDbUser:", DbUser)
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fmt.Println("\tDbPassWord:", DbPassWord)
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fmt.Println("\tDbLogName:", DbLogName)
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}
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func Database(conn string) {
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var ormLogger logger.Interface
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if config.Zap.Level == "debug" {
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ormLogger = logger.Default.LogMode(logger.Info)
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} else {
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ormLogger = logger.Default
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}
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db, err := gorm.Open(mysql.New(mysql.Config{
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DSN: conn, // DSN data source name
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DefaultStringSize: 256, // string 类型字段的默认长度
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DisableDatetimePrecision: true, // 禁用 datetime 精度，MySQL 5.6 之前的数据库不支持
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DontSupportRenameIndex: true, // 重命名索引时采用删除并新建的方式，MySQL 5.7 之前的数据库和 MariaDB 不支持重命名索引
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DontSupportRenameColumn: true, // 用 `change` 重命名列，MySQL 8 之前的数据库和 MariaDB 不支持重命名列
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SkipInitializeWithVersion: false, // 根据版本自动配置
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}), &gorm.Config{
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Logger: ormLogger,
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NamingStrategy: schema.NamingStrategy{
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SingularTable: true,
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},
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DisableForeignKeyConstraintWhenMigrating: true, //表结构迁移时禁用外键约束（不会添加外键关联）
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})
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sqlDB, _ := db.DB()
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sqlDB.SetMaxIdleConns(20) //设置连接池，空闲
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sqlDB.SetMaxOpenConns(100) //打开
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sqlDB.SetConnMaxLifetime(time.Second * 30)
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DB = db
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if err != nil {
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panic(err)
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}
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}
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func migration() {
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//自迁移模式
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err := DB.AutoMigrate(
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&model.Container{}, //货柜
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&model.ContainerBox{}, //货柜格子/孔洞
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&model.Tag{}, //标签
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&model.Device{}, //设备
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&model.DevicePin{}, //设备引脚
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&model.BoxRelPin{}, //各自与设备引脚的关联
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&model.OperationRecord{}, //操作记录
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)
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if err != nil {
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fmt.Println("register table fail")
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fmt.Println(err.Error())
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os.Exit(0)
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}
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fmt.Println("register table success")
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}
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// 创建视图
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func generateModelView(functions ...func(db *gorm.DB) error) (err error) {
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if functions == nil {
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return
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}
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for _, viewFunc := range functions {
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err = viewFunc(DB)
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if err != nil {
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return err
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}
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}
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return nil
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}
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