700 lines
19 KiB
Go
700 lines
19 KiB
Go
package mongo
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import (
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"context"
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"errors"
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"fmt"
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"github.com/gogf/gf/v2/container/gvar"
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"strings"
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"sync"
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"time"
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"gitee.com/red-future---jilin-g/common/consts"
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"gitee.com/red-future---jilin-g/common/do"
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"gitee.com/red-future---jilin-g/common/redis"
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"gitee.com/red-future---jilin-g/common/utils"
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"github.com/gogf/gf/v2/errors/gerror"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/os/glog"
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"github.com/gogf/gf/v2/os/gtime"
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"github.com/gogf/gf/v2/text/gstr"
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"github.com/gogf/gf/v2/util/gconv"
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"go.mongodb.org/mongo-driver/v2/bson"
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"go.mongodb.org/mongo-driver/v2/mongo"
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"go.mongodb.org/mongo-driver/v2/mongo/options"
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)
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var (
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db *mongo.Database
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client *mongo.Client
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isConnected bool
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mu sync.RWMutex
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mongoAddr string
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dbName string
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healthCtx context.Context
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healthCancel context.CancelFunc
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)
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// GetDB 获取 MongoDB 数据库实例
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func GetDB() *mongo.Database {
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mu.RLock()
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defer mu.RUnlock()
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return db
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}
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// IsConnected 检查连接状态
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func IsConnected() bool {
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mu.RLock()
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defer mu.RUnlock()
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return isConnected
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}
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// connect 建立MongoDB连接
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func connect() error {
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mu.Lock()
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defer mu.Unlock()
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if client != nil {
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client.Disconnect(context.Background())
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}
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// 创建连接选项
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opt := options.Client().
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ApplyURI(mongoAddr).
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SetMaxPoolSize(100).
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SetMinPoolSize(10).
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SetMaxConnecting(10).
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SetConnectTimeout(10 * time.Second)
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var err error
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client, err = mongo.Connect(opt)
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if err != nil {
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isConnected = false
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glog.Error(context.Background(), "MongoDB连接失败", err)
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return err
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}
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// 测试连接
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testCtx, testCancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer testCancel()
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err = client.Ping(testCtx, nil)
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if err != nil {
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isConnected = false
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glog.Error(testCtx, "MongoDB连接测试失败", err)
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return err
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}
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db = client.Database(dbName)
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isConnected = true
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glog.Info(context.Background(), "✅ MongoDB连接成功")
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return nil
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}
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// healthCheck 健康检查协程
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func healthCheck() {
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ticker := time.NewTicker(30 * time.Second)
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defer ticker.Stop()
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for {
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select {
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case <-healthCtx.Done():
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return
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case <-ticker.C:
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mu.RLock()
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currentConnected := isConnected
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currentClient := client
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mu.RUnlock()
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if !currentConnected || currentClient == nil {
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glog.Warning(context.Background(), "MongoDB连接断开，尝试重连")
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if err := reconnect(); err != nil {
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glog.Error(context.Background(), "MongoDB重连失败", err)
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}
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continue
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}
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// 测试连接状态
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testCtx, testCancel := context.WithTimeout(context.Background(), 5*time.Second)
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err := currentClient.Ping(testCtx, nil)
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testCancel()
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if err != nil {
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mu.Lock()
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isConnected = false
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mu.Unlock()
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glog.Warning(context.Background(), "MongoDB连接健康检查失败", err)
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// 尝试重连
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if err := reconnect(); err != nil {
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glog.Error(context.Background(), "MongoDB重连失败", err)
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}
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} else {
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glog.Debug(context.Background(), "MongoDB连接健康检查通过")
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}
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}
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}
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}
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// reconnect 重连函数
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func reconnect() error {
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maxRetries := 3
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retryDelay := 2 * time.Second
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for i := 0; i < maxRetries; i++ {
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glog.Info(context.Background(), fmt.Sprintf("尝试第%d次重连MongoDB", i+1))
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if err := connect(); err == nil {
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glog.Info(context.Background(), "MongoDB重连成功")
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return nil
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}
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if i < maxRetries-1 {
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time.Sleep(retryDelay)
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retryDelay *= 2 // 指数退避
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}
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}
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return gerror.New("MongoDB重连失败，已达到最大重试次数")
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}
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// init 初始化MongoDB连接
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func init() {
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// 按需初始化：没有配置 mongo.address 则跳过
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mongoAddr = g.Cfg().MustGet(context.Background(), "mongo.address").String()
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if mongoAddr == "" {
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return
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}
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// 创建健康检查上下文
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healthCtx, healthCancel = context.WithCancel(context.Background())
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// 从连接串中解析数据库名
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dbName = gstr.SubStr(mongoAddr, strings.LastIndex(mongoAddr, "/")+1, len(mongoAddr))
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// 如果连接串带有参数（如 ?retryWrites=true），需要去掉参数部分
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if strings.Contains(dbName, "?") {
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dbName = gstr.SubStr(dbName, 0, strings.Index(dbName, "?"))
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}
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go func() {
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// 初始连接
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if err := connect(); err != nil {
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glog.Error(context.Background(), "MongoDB初始连接失败", err)
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return
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}
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}()
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// 启动健康检查协程
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go healthCheck()
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}
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// Close 关闭MongoDB连接
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func Close() {
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if healthCancel != nil {
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healthCancel()
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}
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mu.Lock()
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defer mu.Unlock()
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if client != nil {
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disconnectCtx, disconnectCancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer disconnectCancel()
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client.Disconnect(disconnectCtx)
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}
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isConnected = false
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glog.Info(context.Background(), "MongoDB连接已关闭")
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}
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func listOptionsToMap(ctx context.Context, opts ...options.Lister[options.FindOptions]) (m map[string]interface{}) {
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// 输出opts参数中的值
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m = make(map[string]interface{})
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for _, opt := range opts {
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var findOpts options.FindOptions
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optFuncs := opt.List()
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for _, fn := range optFuncs {
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fn(&findOpts)
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}
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if findOpts.Limit != nil {
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m["limit"] = *findOpts.Limit
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}
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if findOpts.Skip != nil {
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m["skip"] = *findOpts.Skip
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}
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if findOpts.Sort != nil {
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m["sort"] = findOpts.Sort
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}
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if findOpts.Projection != nil {
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m["projection"] = findOpts.Projection
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}
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}
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m = utils.OrderMap(m)
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return
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}
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func oneOptionsToMap(ctx context.Context, opts ...options.Lister[options.FindOneOptions]) (m map[string]interface{}) {
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// 输出opts参数中的值
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m = make(map[string]interface{})
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for _, opt := range opts {
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var findOpts options.FindOneOptions
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optFuncs := opt.List()
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for _, fn := range optFuncs {
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fn(&findOpts)
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}
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if findOpts.Skip != nil {
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m["skip"] = *findOpts.Skip
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}
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if findOpts.Sort != nil {
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m["sort"] = findOpts.Sort
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}
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if findOpts.Projection != nil {
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m["projection"] = findOpts.Projection
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}
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}
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m = utils.OrderMap(m)
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return
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}
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// GetTenantInfo 获取租户信息
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// 优先从 token 获取，失败则从请求参数 customerServiceId 查询 customer_service_account 表
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func GetTenantInfo(ctx context.Context) (user do.User, err error) {
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// 1. 优先从 token 获取
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user, err = utils.GetUserInfo(ctx)
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if err == nil {
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return
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}
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// 2. token 获取失败，尝试从请求参数或context获取 accountName
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var accountName string
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// 2.1 尝试从request获取（HTTP请求场景）
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req := g.RequestFromCtx(ctx)
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if req != nil {
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accountName = req.Get("accountName").String()
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if accountName == "" {
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accountName = req.Get("account_name").String()
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}
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// 兼容旧参数名
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if accountName == "" {
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accountName = req.Get("customerServiceId").String()
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}
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if accountName == "" {
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accountName = req.Get("customer_service_id").String()
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}
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}
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// 2.2 request不存在或未获取到，尝试从context.Value获取（WebSocket场景）
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if accountName == "" {
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if val := ctx.Value("accountName"); val != nil {
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if str, ok := val.(string); ok {
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accountName = str
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}
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}
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// 兼容旧参数名
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if accountName == "" {
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if val := ctx.Value("customerServiceId"); val != nil {
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if str, ok := val.(string); ok {
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accountName = str
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}
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}
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}
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}
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if accountName == "" {
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return user, gerror.New("无法获取租户信息：无 token 且无 accountName 参数")
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}
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// 3. 直接查询 customer_service_account 表获取 tenantId
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filter := bson.M{"accountName": accountName, "isDeleted": false}
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var account struct {
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TenantId interface{} `bson:"tenantId"`
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}
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if findErr := db.Collection("customer_service_account").FindOne(ctx, filter).Decode(&account); findErr != nil {
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return user, gerror.Newf("通过 accountName 查询租户失败: %v", findErr)
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}
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user.TenantId = account.TenantId
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user.UserName = accountName
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err = nil // 清空之前从token获取时的错误
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return
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}
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// Find 查询多条记录
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func Find(ctx context.Context, NoCache bool, filter bson.M, result interface{}, collection string, opts ...options.Lister[options.FindOptions]) (err error) {
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if err = utils.ValidStructPtr(result); err != nil {
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return
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}
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user, err := GetTenantInfo(ctx)
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if err != nil {
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return
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}
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filter["isDeleted"] = false
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filterMap := utils.OrderMap(filter)
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optsMap := listOptionsToMap(ctx, opts...)
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redisKey := ""
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if !NoCache {
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redisKey = fmt.Sprintf(consts.List, user.TenantId, collection, gconv.String(filterMap), gconv.String(optsMap))
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var resultStr *gvar.Var
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resultStr, err = redis.RedisClient.Get(ctx, redisKey)
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if err != nil {
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return
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}
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if !g.IsEmpty(resultStr) {
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err = gconv.Scan(resultStr, result)
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if err != nil {
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return err
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}
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return
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}
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}
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filter["tenantId"] = user.TenantId
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cur, err := db.Collection(collection).Find(ctx, filter, opts...)
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if err != nil {
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return
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}
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err = cur.All(ctx, result)
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if !NoCache {
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err = redis.RedisClient.SetEX(ctx, redisKey, result, int64(time.Hour))
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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
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}
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// FindOne 查询1条记录
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func FindOne(ctx context.Context, NoCache bool, filter bson.M, result interface{}, collection string, opts ...options.Lister[options.FindOneOptions]) (err error) {
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if len(filter) == 0 {
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err = gerror.New("缺少查询条件")
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return
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}
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if err = utils.ValidStructPtr(result); err != nil {
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return
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}
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user, err := GetTenantInfo(ctx)
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if err != nil {
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return
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}
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filter["isDeleted"] = false
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filterMap := utils.OrderMap(filter)
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redisKey := ""
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if !NoCache {
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redisKey := fmt.Sprintf(consts.One, user.TenantId, collection, gconv.String(filterMap))
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var resultStr *gvar.Var
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resultStr, err = redis.RedisClient.Get(ctx, redisKey)
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if err != nil {
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return
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}
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if !g.IsEmpty(resultStr) {
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err = gconv.Scan(resultStr, result)
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if err != nil {
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return err
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}
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return
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}
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}
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if !g.IsEmpty(user.TenantId) {
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filter["tenantId"] = user.TenantId
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}
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cur := db.Collection(collection).FindOne(ctx, filter, opts...)
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err = cur.Decode(result)
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if errors.Is(err, mongo.ErrNoDocuments) {
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err = nil
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}
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if !NoCache {
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err = redis.RedisClient.SetEX(ctx, redisKey, result, int64(time.Hour))
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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
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}
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func cleanRedis(ctx context.Context, filter bson.M, tenantId interface{}, collection string) (err error) {
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listKeys := fmt.Sprintf(consts.CleanList, tenantId, collection)
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keys, err := redis.RedisClient.Keys(ctx, listKeys)
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if err != nil {
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return
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}
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for _, key := range keys {
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_, err = redis.RedisClient.Del(ctx, key)
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if err != nil {
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return
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}
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}
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countKeys := fmt.Sprintf(consts.CleanCount, tenantId, collection)
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keys, err = redis.RedisClient.Keys(ctx, countKeys)
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if err != nil {
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return
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}
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for _, key := range keys {
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_, err = redis.RedisClient.Del(ctx, key)
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if err != nil {
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return
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}
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}
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filter["isDeleted"] = false
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delete(filter, "tenantId")
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filterMap := utils.OrderMap(filter)
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oneKey := fmt.Sprintf(consts.One, tenantId, collection, gconv.String(filterMap))
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_, err = redis.RedisClient.Del(ctx, oneKey)
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if err != nil {
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return
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}
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return
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}
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// Delete 删除记录
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func Delete(ctx context.Context, filter bson.M, collection string, opts ...options.Lister[options.DeleteManyOptions]) (count int64, err error) {
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if len(filter) == 0 {
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err = gerror.New("缺少查询条件")
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return
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}
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user, err := GetTenantInfo(ctx)
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if err != nil {
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return
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}
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filter["tenantId"] = user.TenantId
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r, err := db.Collection(collection).DeleteMany(ctx, filter, opts...)
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if err != nil {
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return
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}
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count = r.DeletedCount
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err = cleanRedis(ctx, filter, user.TenantId, collection)
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return
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}
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// Update 修改记录
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func Update(ctx context.Context, filter bson.M, update bson.M, collection string, opts ...options.Lister[options.UpdateManyOptions]) (result *mongo.UpdateResult, err error) {
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if len(filter) == 0 {
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err = gerror.New("缺少查询条件")
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return
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}
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filter["isDeleted"] = false
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user, err := GetTenantInfo(ctx)
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if err != nil {
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return
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}
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if !g.IsEmpty(user.TenantId) {
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filter["tenantId"] = user.TenantId
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}
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setDoc := update["$set"].(bson.M)
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if !g.IsEmpty(user.UserName) {
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setDoc["updater"] = user.UserName
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}
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setDoc["updatedAt"] = gtime.Now().Time
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update = bson.M{"$set": setDoc}
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result, err = db.Collection(collection).UpdateMany(ctx, filter, update, opts...)
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if err != nil {
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return
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}
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err = cleanRedis(ctx, filter, user.TenantId, collection)
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return
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}
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// RandomSoftDelete 随机软删除个文档的 _id
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func RandomSoftDelete(ctx context.Context, limit int, collection string, opts ...options.Lister[options.UpdateManyOptions]) (result *mongo.UpdateResult, err error) {
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// 步骤 1: 使用聚合管道的 $sample 操作符随机抽取5个文档的 _id
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pipeline := mongo.Pipeline{
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// 阶段1: 为每个文档添加一个 0-1 之间的随机数字段 'random'
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bson.D{{Key: "$addFields", Value: bson.D{{Key: "random", Value: bson.M{"$rand": bson.M{}}}}}},
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// 阶段1: 匹配所有未删除的文档
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bson.D{{Key: "$match", Value: bson.D{{Key: "isDeleted", Value: false}}}},
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// 阶段2: 按随机数降序排序
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bson.D{{Key: "$sort", Value: bson.D{{Key: "random", Value: -1}}}},
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// 阶段3: 只取前5个
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bson.D{{Key: "$limit", Value: limit}},
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||
// 阶段4: 只投影 _id
|
||
bson.D{{Key: "$project", Value: bson.D{{Key: "_id", Value: 1}}}},
|
||
}
|
||
cursor, err := db.Collection(collection).Aggregate(ctx, pipeline)
|
||
if err != nil {
|
||
return
|
||
}
|
||
defer cursor.Close(ctx)
|
||
// 步骤 2: 从聚合结果中提取 _id 到一个切片中
|
||
var idsToUpdate []bson.ObjectID
|
||
for cursor.Next(ctx) {
|
||
var result bson.M
|
||
if err := cursor.Decode(&result); err != nil {
|
||
return nil, err
|
||
}
|
||
// 将 bson.M 中的 _id 断言为 primitive.ObjectID
|
||
id := result["_id"].(bson.ObjectID)
|
||
idsToUpdate = append(idsToUpdate, id)
|
||
}
|
||
if err := cursor.Err(); err != nil {
|
||
return nil, err
|
||
}
|
||
fmt.Printf("准备更新的随机文档ID: %v\n", idsToUpdate)
|
||
// 步骤 3: 使用 $in 操作符和 UpdateMany 批量更新选定的文档
|
||
if len(idsToUpdate) > 0 {
|
||
// 过滤条件：匹配 idsToUpdate 切片中的任意一个 _id
|
||
filter := bson.D{{Key: "_id", Value: bson.D{{Key: "$in", Value: idsToUpdate}}}}
|
||
// 更新操作：使用 $set 修改字段
|
||
update := bson.D{{Key: "$set", Value: bson.D{{Key: "isDeleted", Value: true}}}}
|
||
_, err = db.Collection(collection).UpdateMany(ctx, filter, update)
|
||
if err != nil {
|
||
return
|
||
}
|
||
}
|
||
return
|
||
}
|
||
|
||
// SaveOrUpdate 批量增加或修改
|
||
func SaveOrUpdate(ctx context.Context, filter []bson.M, update []bson.M, collection string, opts ...options.Lister[options.UpdateManyOptions]) (result *mongo.BulkWriteResult, err error) {
|
||
if len(filter) == 0 || len(update) == 0 {
|
||
err = gerror.New("缺少查询条件或更新数据")
|
||
return
|
||
}
|
||
if len(filter) != len(update) {
|
||
err = gerror.New("查询条件和更新数据的数量必须一致")
|
||
return
|
||
}
|
||
user, err := GetTenantInfo(ctx)
|
||
if err != nil {
|
||
return
|
||
}
|
||
// 构建批量操作模型
|
||
var models []mongo.WriteModel
|
||
for i := 0; i < len(filter); i++ {
|
||
// 处理过滤器
|
||
filter[i]["isDeleted"] = false
|
||
if !g.IsEmpty(user.TenantId) {
|
||
filter[i]["tenantId"] = user.TenantId
|
||
}
|
||
// 处理更新数据
|
||
if setDoc, exists := update[i]["$set"].(bson.M); exists {
|
||
if !g.IsEmpty(user.UserName) {
|
||
setDoc["updater"] = user.UserName
|
||
}
|
||
setDoc["updatedAt"] = gtime.Now().Time
|
||
} else {
|
||
// 如果没有$set字段，则创建一个
|
||
setDoc := bson.M{}
|
||
if !g.IsEmpty(user.UserName) {
|
||
setDoc["updater"] = user.UserName
|
||
}
|
||
setDoc["updatedAt"] = gtime.Now().Time
|
||
update[i]["$set"] = setDoc
|
||
}
|
||
// 创建更新操作模型
|
||
updateModel := mongo.NewUpdateOneModel()
|
||
updateModel.SetFilter(filter[i])
|
||
updateModel.SetUpdate(update[i])
|
||
updateModel.SetUpsert(true) // 默认不插入新文档
|
||
// 处理选项参数
|
||
if len(opts) > 0 {
|
||
for _, opt := range opts {
|
||
var updateOpts options.UpdateManyOptions
|
||
optFuncs := opt.List()
|
||
for _, fn := range optFuncs {
|
||
fn(&updateOpts)
|
||
}
|
||
if updateOpts.Upsert != nil {
|
||
updateModel.SetUpsert(*updateOpts.Upsert)
|
||
}
|
||
}
|
||
}
|
||
models = append(models, updateModel)
|
||
}
|
||
// 执行批量操作，无序执行提高性能
|
||
bulkOpts := options.BulkWrite().SetOrdered(false)
|
||
bulkResult, err := db.Collection(collection).BulkWrite(ctx, models, bulkOpts)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
// 清理相关缓存
|
||
for _, filterItem := range filter {
|
||
err = cleanRedis(ctx, filterItem, user.TenantId, collection)
|
||
if err != nil {
|
||
glog.Warning(ctx, "清理Redis缓存失败:", err)
|
||
}
|
||
}
|
||
return bulkResult, nil
|
||
}
|
||
|
||
// Insert 插入多条记录
|
||
func Insert(ctx context.Context, documents []interface{}, collection string, opts ...options.Lister[options.InsertManyOptions]) (ids []interface{}, err error) {
|
||
user, err := GetTenantInfo(ctx)
|
||
if err != nil {
|
||
return
|
||
}
|
||
docs := make([]interface{}, 0, len(documents))
|
||
for _, document := range documents {
|
||
doc := gconv.Map(document)
|
||
delete(doc, "id")
|
||
if !g.IsEmpty(user.UserName) {
|
||
doc["creator"] = user.UserName
|
||
}
|
||
if !g.IsEmpty(user.UserName) {
|
||
doc["updater"] = user.UserName
|
||
}
|
||
if !g.IsEmpty(user.TenantId) {
|
||
doc["tenantId"] = user.TenantId
|
||
}
|
||
doc["createdAt"] = gtime.Now().Time
|
||
doc["updatedAt"] = gtime.Now().Time
|
||
doc["isDeleted"] = false
|
||
docs = append(docs, doc)
|
||
}
|
||
r, err := db.Collection(collection).InsertMany(ctx, docs, opts...)
|
||
if err != nil {
|
||
return
|
||
}
|
||
ids = r.InsertedIDs
|
||
err = cleanRedis(ctx, bson.M{}, user.TenantId, collection)
|
||
return
|
||
}
|
||
|
||
// Count 查询总数
|
||
func Count(ctx context.Context, NoCache bool, filter bson.M, collection string) (count int64, err error) {
|
||
user, err := GetTenantInfo(ctx)
|
||
if err != nil {
|
||
return
|
||
}
|
||
filter["isDeleted"] = false
|
||
filterMap := utils.OrderMap(filter)
|
||
redisKey := ""
|
||
if !NoCache {
|
||
redisKey = fmt.Sprintf(consts.Count, user.TenantId, collection, gconv.String(filterMap))
|
||
var resultStr *gvar.Var
|
||
resultStr, err = redis.RedisClient.Get(ctx, redisKey)
|
||
if err != nil {
|
||
return
|
||
}
|
||
if !g.IsEmpty(resultStr) {
|
||
count = gconv.Int64(resultStr)
|
||
return
|
||
}
|
||
}
|
||
// 调用驱动的 CountDocuments，在数据库端执行的
|
||
count, err = db.Collection(collection).CountDocuments(ctx, filter)
|
||
if !NoCache {
|
||
err = redis.RedisClient.SetEX(ctx, redisKey, count, int64(time.Hour))
|
||
if err != nil {
|
||
return
|
||
}
|
||
}
|
||
return
|
||
}
|
||
|
||
// EntityToBSONM 将 *entity/entity 转换为 bson.M
|
||
// 支持传入值类型或指针类型，返回 bson.M 和错误信息
|
||
func EntityToBSONM(entity interface{}) (bson.M, error) {
|
||
// 第一步：判断入参是否为 nil 或无效类型
|
||
if entity == nil {
|
||
return nil, fmt.Errorf("传入的 entity 实例为 nil")
|
||
}
|
||
// 第二步：将 entity 序列化为 BSON 字节流
|
||
// bson.Marshal 支持值类型和指针类型，会自动解析结构体的 bson 标签
|
||
bsonBytes, err := bson.Marshal(entity)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("entity 序列化为 BSON 字节流失败：%w", err)
|
||
}
|
||
// 第三步：将 BSON 字节流反序列化为 bson.M
|
||
var bsonMap bson.M
|
||
err = bson.Unmarshal(bsonBytes, &bsonMap)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("BSON 字节流反序列化为 bson.M 失败：%w", err)
|
||
}
|
||
return bsonMap, nil
|
||
}
|