692 lines
18 KiB
Go
692 lines
18 KiB
Go
// =============================================================================
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// MongoDB 业务操作封装
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// 提供向后兼容的CRUD操作方法，支持多数据源
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// =============================================================================
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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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"gitee.com/red-future---jilin-g/common/log/consts"
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"reflect"
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"time"
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"gitee.com/red-future---jilin-g/common/beans"
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"gitee.com/red-future---jilin-g/common/log/model/entity"
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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/container/gvar"
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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/grpool"
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"github.com/gogf/gf/v2/os/gtime"
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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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// =============================================================================
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// 向后兼容的MongoDB结构体
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// =============================================================================
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type MongoDB struct {
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Cache bool
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dataSource string // 数据源名称，默认为 "default"
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}
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func DB(cache ...bool) *MongoDB {
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b := true
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if len(cache) > 0 {
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b = cache[0]
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}
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return &MongoDB{
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Cache: b,
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dataSource: "default",
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}
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}
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// WithDataSource 指定使用的数据源
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func (m *MongoDB) WithDataSource(name string) *MongoDB {
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m.dataSource = name
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return m
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}
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// =============================================================================
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// 向后兼容的全局变量和方法
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// =============================================================================
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var (
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manager = GetManager()
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logPool *grpool.Pool
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serverName string
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LogRedisKey string
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)
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// FieldInfo 定义字段信息结构体
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type FieldInfo struct {
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FieldName string
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FieldValue interface{}
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}
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const PageSize = 20
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// GetDB 获取默认数据源的数据库实例（向后兼容）
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func GetDB() *mongo.Database {
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source, err := manager.GetDataSource("default")
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if err != nil {
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return nil
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}
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return source.Database()
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}
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// =============================================================================
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// MongoDB 操作方法（支持多数据源）
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// =============================================================================
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// getDataSource 获取当前使用的数据源
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func (m *MongoDB) getDataSource() (DataSource, error) {
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if m.dataSource == "" {
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m.dataSource = "default"
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}
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return manager.GetDataSource(m.dataSource)
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}
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// Count 查询总数
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func (m *MongoDB) Count(ctx context.Context, filter bson.M, collection string) (count int64, err error) {
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source, err := m.getDataSource()
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if err != nil {
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return 0, err
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}
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db := source.Database()
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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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filter["isDeleted"] = false
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delete(filter, "tenantId")
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filterKey := fmt.Sprintf("%+v", filter)
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redisKey := fmt.Sprintf(redis.Count, user.TenantId, collection, filterKey)
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if m.Cache {
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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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count = gconv.Int64(resultStr)
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return
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}
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}
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count, err = db.Collection(collection).CountDocuments(ctx, filter)
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if m.Cache {
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err = redis.RedisClient.SetEX(ctx, redisKey, count, int64(time.Hour))
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if err != nil {
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return
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}
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}
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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 (m *MongoDB) Find(ctx context.Context, filter bson.M, result interface{}, collection string, page *beans.Page, orderBy []beans.OrderBy) (total int64, err error) {
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source, err := m.getDataSource()
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if err != nil {
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return 0, err
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}
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db := source.Database()
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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 := utils.GetUserInfo(ctx)
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if err != nil {
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return
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}
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if g.IsEmpty(filter["isDeleted"]) {
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filter["isDeleted"] = false
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}
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filterKey := fmt.Sprintf("%+v", filter)
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optionsKey := fmt.Sprintf("%+v%+v", page, orderBy)
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redisKey := fmt.Sprintf(redis.List, user.TenantId, collection, filterKey, optionsKey)
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if m.Cache {
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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 !resultStr.IsEmpty() {
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if err = resultStr.Structs(result); err != nil {
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return
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}
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total = int64(len(resultStr.Array()))
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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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limit := int64(PageSize)
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skip := int64(0)
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if page != nil && !g.IsEmpty(page.PageNum) && !g.IsEmpty(page.PageSize) {
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limit = page.PageSize
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if limit == -1 {
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skip = 0
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} else {
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skip = (page.PageNum - 1) * limit
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}
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}
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opt := options.Find().SetSkip(skip)
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if limit != -1 {
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opt.SetLimit(limit)
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} else {
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total, err = m.Count(ctx, filter, collection)
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if err != nil || total == 0 {
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return
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}
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}
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if orderBy == nil {
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opt.SetSort(bson.M{"createdAt": -1})
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} else {
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orderBson := bson.D{}
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for _, v := range orderBy {
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if v.Order == beans.Asc {
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orderBson = append(orderBson, bson.E{Key: v.Field, Value: 1})
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} else {
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orderBson = append(orderBson, bson.E{Key: v.Field, Value: -1})
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}
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}
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opt.SetSort(orderBson)
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}
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cur, err := db.Collection(collection).Find(ctx, filter, opt)
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if err != nil {
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return
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}
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if limit == -1 {
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total = int64(cur.RemainingBatchLength())
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}
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defer cur.Close(ctx)
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if err = cur.All(ctx, result); err != nil {
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return
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}
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if m.Cache {
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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
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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 (m *MongoDB) FindOne(ctx context.Context, filter bson.M, result interface{}, collection string, opts ...options.Lister[options.FindOneOptions]) (err error) {
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source, err := m.getDataSource()
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if err != nil {
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return err
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}
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db := source.Database()
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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 := utils.GetUserInfo(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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filterKey := fmt.Sprintf("%+v", filter)
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redisKey := fmt.Sprintf(redis.One, user.TenantId, collection, filterKey)
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if m.Cache {
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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 m.Cache {
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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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// getDeletedData 获取要删除的数据
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func (m *MongoDB) getDeletedData(ctx context.Context, filter bson.M, collection string) (deletedIDs []bson.ObjectID, deletedData []bson.M, err error) {
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// 查询要删除的数据
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_, err = m.Find(ctx, filter, &deletedData, collection, nil, nil)
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// 从查询结果中获取 _id
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for _, doc := range deletedData {
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deletedIDs = append(deletedIDs, doc["_id"].(bson.ObjectID))
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}
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return
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}
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func (m *MongoDB) CleanRedis(ctx context.Context, filter bson.M, tenantId interface{}, collection string) (err error) {
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listKeys := fmt.Sprintf(redis.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(redis.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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filterKey := fmt.Sprintf("%+v", filter)
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oneKey := fmt.Sprintf(redis.One, tenantId, collection, filterKey)
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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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func (m *MongoDB) log(ctx context.Context, ids []bson.ObjectID, filter bson.M, collection string, data interface{}, userName, tenantId interface{}, operationType consts.OperationType) {
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// 提前获取 IP 地址，避免异步任务执行时请求已结束
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var ipAddress string
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if request := g.RequestFromCtx(ctx); request != nil {
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ipAddress = request.GetClientIp()
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}
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if operationType != consts.OperationInsert && operationType != consts.OperationDelete {
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if !g.IsEmpty(filter["_id"]) {
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objectID := filter["_id"].(*bson.ObjectID)
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ids = append(ids, *objectID)
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} else {
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var err error
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if ids, _, err = m.getDeletedData(ctx, filter, collection); err != nil {
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return
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}
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}
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}
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log := &entity.OperationLog{
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ServiceName: serverName,
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Collection: collection,
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CollectionID: ids,
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Operation: string(operationType),
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IPAddress: ipAddress,
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Data: data,
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}
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log.Creator = userName
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log.Updater = userName
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now := >ime.Now().Time
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log.CreatedAt = now
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log.UpdatedAt = now
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log.TenantId = tenantId
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// 使用新的 context 进行 Redis 操作
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if _, err := redis.AddToStream(ctx, LogRedisKey, log); err != nil {
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glog.Error(ctx, "mongoLog-AddToStream err: %v", err)
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}
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return
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}
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// Insert 插入多条记录
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func (m *MongoDB) Insert(ctx context.Context, documents []interface{}, collection string, opts ...options.Lister[options.InsertManyOptions]) (ids []interface{}, err error) {
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source, err := m.getDataSource()
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if err != nil {
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return nil, err
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}
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db := source.Database()
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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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docs := make([]interface{}, 0, len(documents))
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for _, document := range documents {
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doc := gconv.Map(document)
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delete(doc, "id")
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if !g.IsEmpty(user.UserName) && g.IsEmpty(doc["creator"]) {
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doc["creator"] = user.UserName
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}
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if !g.IsEmpty(user.UserName) && g.IsEmpty(doc["updater"]) {
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doc["updater"] = user.UserName
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}
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if !g.IsEmpty(user.TenantId) && g.IsEmpty(doc["tenantId"]) {
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doc["tenantId"] = user.TenantId
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}
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if g.IsEmpty(doc["createdAt"]) {
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doc["createdAt"] = gtime.Now().Time
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}
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if g.IsEmpty(doc["updatedAt"]) {
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doc["updatedAt"] = gtime.Now().Time
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}
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doc["isDeleted"] = false
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docs = append(docs, doc)
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}
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r, err := db.Collection(collection).InsertMany(ctx, docs, opts...)
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if err != nil {
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return
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}
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ids = r.InsertedIDs
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err = m.CleanRedis(ctx, bson.M{}, user.TenantId, collection)
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//写日志
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if collection != consts.OperationLogCollection {
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objectIds := make([]bson.ObjectID, 0)
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for _, id := range ids {
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objectIds = append(objectIds, id.(bson.ObjectID))
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}
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m.log(ctx, objectIds, nil, collection, nil, user.UserName, user.TenantId, consts.OperationInsert)
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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 (m *MongoDB) Delete(ctx context.Context, filter bson.M, collection string, opts ...options.Lister[options.DeleteManyOptions]) (count int64, err error) {
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source, err := m.getDataSource()
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if err != nil {
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return 0, err
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}
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db := source.Database()
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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 := utils.GetUserInfo(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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// 获取要删除的数据
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ds, ms, err := m.getDeletedData(ctx, filter, collection)
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if err != nil {
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return
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}
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// 执行删除操作
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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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// 清理redis
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err = m.CleanRedis(ctx, filter, user.TenantId, collection)
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// 写日志
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m.log(ctx, ds, nil, collection, ms, user.UserName, user.TenantId, consts.OperationDelete)
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return
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}
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// DeleteSoft 假删除记录
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func (m *MongoDB) DeleteSoft(ctx context.Context, filter bson.M, collection string, opts ...options.Lister[options.UpdateManyOptions]) (result *mongo.UpdateResult, err error) {
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update := bson.M{"$set": bson.M{"isDeleted": true}}
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return m.Update(ctx, filter, update, collection, opts...)
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}
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// Update 修改记录
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func (m *MongoDB) 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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source, err := m.getDataSource()
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if err != nil {
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return nil, err
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}
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db := source.Database()
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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 := utils.GetUserInfo(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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// 遍历 update 中的所有操作符和字段，存放到 list 中
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fieldList := make([]FieldInfo, 0)
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for _, doc := range update {
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if m, ok := doc.(bson.M); ok {
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for fieldName, fieldValue := range m {
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// 获取到字段名和字段值
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fieldList = append(fieldList, FieldInfo{
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FieldName: fieldName,
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FieldValue: fieldValue,
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})
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}
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}
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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["$set"] = setDoc
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result, err = db.Collection(collection).UpdateMany(ctx, filter, update, opts...)
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if err != nil {
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return
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}
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// 清理redis
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err = m.CleanRedis(ctx, filter, user.TenantId, collection)
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// 写日志
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if !g.IsEmpty(setDoc["isDeleted"]) && gconv.Bool(setDoc["isDeleted"]) {
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filter["isDeleted"] = true
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m.log(ctx, nil, filter, collection, nil, user.UserName, user.TenantId, consts.OperationDeleteSoft)
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} else {
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m.log(ctx, nil, filter, collection, fieldList, user.UserName, user.TenantId, consts.OperationUpdate)
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}
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return
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}
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// RandomSoftDelete 随机软删除个文档的 _id
|
||
func (m *MongoDB) RandomSoftDelete(ctx context.Context, limit int, collection string, opts ...options.Lister[options.UpdateManyOptions]) (result *mongo.UpdateResult, err error) {
|
||
source, err := m.getDataSource()
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
db := source.Database()
|
||
|
||
_ = opts
|
||
pipeline := mongo.Pipeline{
|
||
bson.D{{Key: "$addFields", Value: bson.D{{Key: "random", Value: bson.M{"$rand": bson.M{}}}}}},
|
||
bson.D{{Key: "$match", Value: bson.D{{Key: "isDeleted", Value: false}}}},
|
||
bson.D{{Key: "$sort", Value: bson.D{{Key: "random", Value: -1}}}},
|
||
bson.D{{Key: "$limit", Value: limit}},
|
||
bson.D{{Key: "$project", Value: bson.D{{Key: "_id", Value: 1}}}},
|
||
}
|
||
cursor, err := db.Collection(collection).Aggregate(ctx, pipeline)
|
||
if err != nil {
|
||
return
|
||
}
|
||
defer cursor.Close(ctx)
|
||
|
||
var idsToUpdate []bson.ObjectID
|
||
for cursor.Next(ctx) {
|
||
var result bson.M
|
||
if err := cursor.Decode(&result); err != nil {
|
||
return nil, err
|
||
}
|
||
id := result["_id"].(bson.ObjectID)
|
||
idsToUpdate = append(idsToUpdate, id)
|
||
}
|
||
if err := cursor.Err(); err != nil {
|
||
return nil, err
|
||
}
|
||
fmt.Printf("准备更新的随机文档ID: %v\n", idsToUpdate)
|
||
|
||
if len(idsToUpdate) > 0 {
|
||
filter := bson.D{{Key: "_id", Value: bson.D{{Key: "$in", Value: idsToUpdate}}}}
|
||
update := bson.D{{Key: "$set", Value: bson.D{{Key: "isDeleted", Value: true}}}}
|
||
_, err = db.Collection(collection).UpdateMany(ctx, filter, update)
|
||
if err != nil {
|
||
return
|
||
}
|
||
}
|
||
return
|
||
}
|
||
|
||
// SaveOrUpdate 批量增加或修改
|
||
func (m *MongoDB) SaveOrUpdate(ctx context.Context, filter []bson.M, update []bson.M, collection string, opts ...options.Lister[options.UpdateManyOptions]) (result *mongo.BulkWriteResult, err error) {
|
||
source, err := m.getDataSource()
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
db := source.Database()
|
||
|
||
if len(filter) == 0 || len(update) == 0 {
|
||
err = gerror.New("缺少查询条件或更新数据")
|
||
return
|
||
}
|
||
if len(filter) != len(update) {
|
||
err = gerror.New("查询条件和更新数据的数量必须一致")
|
||
return
|
||
}
|
||
user, err := utils.GetUserInfo(ctx)
|
||
if err != nil {
|
||
return
|
||
}
|
||
|
||
var models []mongo.WriteModel
|
||
for i := 0; i < len(filter); i++ {
|
||
filter[i]["isDeleted"] = false
|
||
if !g.IsEmpty(user.TenantId) {
|
||
filter[i]["tenantId"] = user.TenantId
|
||
}
|
||
if setDoc, exists := update[i]["$set"].(bson.M); exists {
|
||
if !g.IsEmpty(user.UserName) {
|
||
setDoc["updater"] = user.UserName
|
||
}
|
||
setDoc["updatedAt"] = gtime.Now().Time
|
||
} else {
|
||
setDoc := bson.M{}
|
||
if !g.IsEmpty(user.UserName) {
|
||
setDoc["updater"] = user.UserName
|
||
}
|
||
setDoc["updatedAt"] = gtime.Now().Time
|
||
update[i]["$set"] = setDoc
|
||
}
|
||
updateModel := mongo.NewUpdateOneModel()
|
||
updateModel.SetFilter(filter[i])
|
||
updateModel.SetUpdate(update[i])
|
||
updateModel.SetUpsert(true)
|
||
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)
|
||
}
|
||
|
||
bulkOpts := options.BulkWrite().SetOrdered(false)
|
||
bulkResult, err := db.Collection(collection).BulkWrite(ctx, models, bulkOpts)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
for _, filterItem := range filter {
|
||
err = m.CleanRedis(ctx, filterItem, user.TenantId, collection)
|
||
if err != nil {
|
||
glog.Warning(ctx, "清理Redis缓存失败:", err)
|
||
}
|
||
}
|
||
return bulkResult, nil
|
||
}
|
||
|
||
func BuildUpdateFilter(ctx context.Context, req interface{}) (filter bson.M, err error) {
|
||
_ = ctx
|
||
filter = bson.M{}
|
||
reqMap := gconv.Map(req)
|
||
for mk, mv := range reqMap {
|
||
if mk != "id" && !g.IsEmpty(mv) {
|
||
filter[mk] = mv
|
||
}
|
||
}
|
||
return
|
||
}
|
||
|
||
// EntityToBson 将 *entity/entity 转换为 bson.M
|
||
func EntityToBson(entity interface{}) (bson.M, error) {
|
||
return EntityToBsonWithFilter(entity, false)
|
||
}
|
||
|
||
// EntityToBsonWithFilter 将 *entity/entity 转换为 bson.M，并可选择是否过滤空值
|
||
func EntityToBsonWithFilter(entity interface{}, filterEmpty bool) (bson.M, error) {
|
||
if entity == nil {
|
||
return nil, fmt.Errorf("传入的 entity 实例为 nil")
|
||
}
|
||
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)
|
||
}
|
||
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)
|
||
}
|
||
if filterEmpty {
|
||
for key, value := range bsonMap {
|
||
if isEmptyWithZero(value) {
|
||
delete(bsonMap, key)
|
||
}
|
||
}
|
||
}
|
||
return bsonMap, nil
|
||
}
|
||
|
||
// isEmptyWithZero 判断是否为空值，但保留 int 类型的 0 值
|
||
func isEmptyWithZero(value interface{}) bool {
|
||
if value == nil {
|
||
return true
|
||
}
|
||
rv := reflect.ValueOf(value)
|
||
kind := rv.Kind()
|
||
if kind == reflect.Ptr {
|
||
if rv.IsNil() {
|
||
return true
|
||
}
|
||
kind = rv.Elem().Kind()
|
||
}
|
||
switch kind {
|
||
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
|
||
reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
|
||
reflect.Float32, reflect.Float64:
|
||
return false
|
||
default:
|
||
return g.IsEmpty(value)
|
||
}
|
||
}
|