120 lines
3.4 KiB
Go
120 lines
3.4 KiB
Go
package service
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import (
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"context"
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"fmt"
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"gitee.com/red-future---jilin-g/common/minio"
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"gitee.com/red-future---jilin-g/common/mongo"
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"gitee.com/red-future---jilin-g/common/redis"
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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/util/gconv"
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"oss/consts"
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"oss/dao"
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"oss/model/dto"
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"oss/model/entity"
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"time"
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)
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type file struct{}
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// File 存储文件服务
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var File = new(file)
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func (f *file) UploadFile(ctx context.Context, req *dto.UploadFileReq) (res *dto.UploadFileRes, err error) {
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tenantId := ""
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fileSize := req.File.Size
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totalFileSize := int64(0)
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// 获取租户id
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user, err := mongo.GetTenantInfo(ctx)
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if err != nil {
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return
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}
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// 获取redis-租户存储容量总数key
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tenantOssTotalKey := fmt.Sprintf(consts.TenantOssTotalKey, gconv.String(user.TenantId))
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// 获取redis-租户存储-锁key
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fileLockKey := fmt.Sprintf(consts.FileLockKey, gconv.String(user.TenantId))
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i := 0
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LOCK:
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if ok, err := redis.RedisClient.SetNX(ctx, fileLockKey, fileSize); !ok || err != nil {
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// 获取锁失败，需要重试
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if i < 5 {
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i++
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time.Sleep(5 * time.Millisecond)
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goto LOCK
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}
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}
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// 设置redis-租户存储-锁key超时时间1分钟
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err = redis.RedisClient.SetEX(ctx, fileLockKey, fileSize, gconv.Int64(time.Minute*1))
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if err != nil {
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return nil, err
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}
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// 获取redis-租户存储容量总数
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get, err := redis.RedisClient.Get(ctx, tenantOssTotalKey)
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if err != nil {
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return nil, err
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}
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tenantOssTotalEntity := &entity.TenantOssTotal{}
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if g.IsEmpty(get) {
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//查询数据库-获取租户存储容量总数
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getByTenantIdReq := &dto.GetByTenantIdReq{
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TenantId: gconv.String(user.TenantId),
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}
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tenantOssTotal, err := TenantOssTotal.GetOneByTenantId(ctx, getByTenantIdReq)
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if err != nil {
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return nil, err
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}
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if g.IsEmpty(tenantOssTotal) {
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tenantOssTotalEntity.TenantId = user.TenantId
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tenantOssTotalEntity.UsedOssSize = int64(0)
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tenantOssTotalEntity.TotalOssSize = g.Cfg().MustGet(ctx, "oss.capacitySize").Int64()
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} else {
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tenantOssTotalEntity = tenantOssTotal.TenantOssTotal
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}
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} else {
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// 反序列化-redis获取租户存储容量总数
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err = gconv.Struct(get, tenantOssTotalEntity)
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if err != nil {
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return nil, err
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}
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}
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tenantId = gconv.String(tenantOssTotalEntity.TenantId)
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fileSize = tenantOssTotalEntity.UsedOssSize + fileSize
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totalFileSize = tenantOssTotalEntity.TotalOssSize
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// 设置redis-租户存储容量总数
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tenantOssTotalKeyMap := map[string]interface{}{"tenantId": tenantId, "UsedOssSize": fileSize, "TotalOssSize": totalFileSize}
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// 修改redis-租户存储容量总数 超时时间10分钟
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err = redis.RedisClient.SetEX(ctx, tenantOssTotalKey, tenantOssTotalKeyMap, gconv.Int64(time.Minute*10))
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if err != nil {
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return nil, err
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}
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if fileSize < totalFileSize {
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// 删除redis-租户存储-锁key
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_, err = redis.RedisClient.Del(ctx, fileLockKey)
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if err != nil {
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return nil, err
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}
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} else {
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return nil, gerror.New("存储服务内存不足")
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}
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// 上传图片
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fileURL, err := minio.UploadImage(ctx, req.File)
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if err != nil {
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return nil, err
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}
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// 插入数据库
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ossEntity := &entity.File{
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FileURL: fileURL,
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FileSize: fileSize,
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}
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err = dao.File.Insert(ctx, ossEntity)
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if err != nil {
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return nil, err
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}
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// 返回图片url
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return &dto.UploadFileRes{
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FileURL: fileURL,
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FileAddressPrefix: minio.GetImgAddressPrefix(ctx),
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}, err
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}
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