hpds_jkw_web/model/index.go

package model

import (
	"fmt"
	"github.com/go-redis/redis"
	_ "github.com/go-sql-driver/mysql"
	"go.uber.org/zap"
	"hpds-iot-web/config"
	"os"
	"time"
	"xorm.io/xorm"
	"xorm.io/xorm/dialects"
)

type Statistics struct {
	Total int64
}

var (
	DB    *xorm.Engine
	Redis *redis.Client
)

func New(driveName, dsn string, showSql bool) {
	DB, _ = NewDbConnection(driveName, dsn)
	DB.ShowSQL(showSql)
	DB.Dialect().SetQuotePolicy(dialects.QuotePolicyReserved)
	err := DB.Sync2(
		&Brand{},
		&Dataset{},
		&DatasetDetail{},
		&DetectionTask{},
		&Device{},
		&DeviceType{},
		&Disease{},
		&DiseaseType{},
		&FileManager{},
		&MatterAttribute{},
		&MatterCategory{},
		&MatterEvent{},
		&MatterEventParams{},
		&MatterModel{},
		&MatterService{},
		&MatterServiceParams{},
		&MatterVersion{},
		&Model{},
		&ModelVersion{},
		&Node{},
		&NodeState{},
		&IssueModel{},
		&OriginalData{},
		&Owner{},
		&Project{},
		&SystemMenu{},
		&OperationLog{},
		&SystemRoleMenu{},
		&SystemRoleRoute{},
		&SystemRole{},
		&SystemUser{},
		&SystemUserRole{},
		&Task{},
		&TaskLog{},
		&TaskResult{},
	)
	if err != nil {
		zap.L().Error("同步数据库表结构", zap.Error(err))
		os.Exit(1)
	}
}

func NewDbConnection(driveName, dsn string) (db *xorm.Engine, err error) {
	db, err = xorm.NewEngine(driveName, dsn)
	if err != nil {
		zap.L().Error("创建数据库连接", zap.Error(err))
		os.Exit(-1)
	}
	db.SetMaxOpenConns(300)
	return
}

func NewCache(c config.CacheConfig) {
	Redis = redis.NewClient(&redis.Options{
		Addr:        fmt.Sprintf("%s:%d", c.Host, c.Port),
		Password:    c.Pass,           // no password set
		DB:          c.DB,             // use default DB
		PoolSize:    c.PoolSize,       // Redis连接池大小
		MaxRetries:  3,                // 最大重试次数
		IdleTimeout: 10 * time.Second, // 空闲链接超时时间
	})
	pong, err := Redis.Ping().Result()
	if err == redis.Nil {
		zap.L().Error("访问Redis异常", zap.Error(fmt.Errorf("redis.Nil")))
	} else if err != nil {
		zap.L().Error("访问Redis异常", zap.Error(err))
	} else {
		zap.L().Info("Redis连接成功", zap.String("pong", pong))
	}
}