Files
gopeed/pkg/download/model.go
T
2024-09-06 18:35:23 +08:00

146 lines
3.3 KiB
Go

package download
import (
"encoding/json"
"github.com/GopeedLab/gopeed/internal/controller"
"github.com/GopeedLab/gopeed/internal/fetcher"
"github.com/GopeedLab/gopeed/internal/protocol/bt"
"github.com/GopeedLab/gopeed/internal/protocol/http"
"github.com/GopeedLab/gopeed/pkg/base"
"github.com/GopeedLab/gopeed/pkg/util"
gonanoid "github.com/matoous/go-nanoid/v2"
"sync"
"time"
)
type ResolveResult struct {
ID string `json:"id"`
Res *base.Resource `json:"res"`
}
type Task struct {
ID string `json:"id"`
Protocol string `json:"protocol"`
Meta *fetcher.FetcherMeta `json:"meta"`
Status base.Status `json:"status"`
Uploading bool `json:"uploading"`
Progress *Progress `json:"progress"`
CreatedAt time.Time `json:"createdAt"`
UpdatedAt time.Time `json:"updatedAt"`
fetcherManager fetcher.FetcherManager
fetcher fetcher.Fetcher
timer *util.Timer
statusLock *sync.Mutex
lock *sync.Mutex
speedArr []int64
uploadSpeedArr []int64
}
func NewTask() *Task {
id, err := gonanoid.New()
if err != nil {
panic(err)
}
return &Task{
ID: id,
Status: base.DownloadStatusReady,
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
}
}
// Name returns the display name of the task.
func (t *Task) Name() string {
// Custom name first
if t.Meta.Opts.Name != "" {
return t.Meta.Opts.Name
}
// Task is not resolved, parse the name from the URL
if t.Meta.Res == nil {
fallbackName := "unknown"
if t.fetcherManager == nil {
return fallbackName
}
parseName := t.fetcherManager.ParseName(t.Meta.Req.URL)
if parseName == "" {
return fallbackName
}
return parseName
}
// Task is a folder
if t.Meta.Res.Name != "" {
return t.Meta.Res.Name
}
// Get the name of the first file
return t.Meta.Res.Files[0].Name
}
func (t *Task) MarshalJSON() ([]byte, error) {
type rawTaskType Task
jsonTask := struct {
rawTaskType
Name string `json:"name"`
}{
rawTaskType(*t),
t.Name(),
}
return json.Marshal(jsonTask)
}
func (t *Task) updateStatus(status base.Status) {
t.UpdatedAt = time.Now()
t.Status = status
}
func (t *Task) clone() *Task {
return util.DeepClone(t)
}
func (t *Task) calcSpeed(speedArr []int64, downloaded int64, usedTime float64) int64 {
speedArr = append(speedArr, downloaded)
if len(speedArr) > 6 {
speedArr = speedArr[1:]
}
var total int64
for _, v := range speedArr {
total += v
}
return int64(float64(total) / float64(len(speedArr)) / usedTime)
}
type DownloaderConfig struct {
Controller *controller.Controller
FetchManagers []fetcher.FetcherManager
RefreshInterval int `json:"refreshInterval"` // RefreshInterval time duration to refresh task progress(ms)
Storage Storage
StorageDir string
ProductionMode bool
*base.DownloaderStoreConfig
}
func (cfg *DownloaderConfig) Init() *DownloaderConfig {
if cfg.Controller == nil {
cfg.Controller = controller.NewController()
}
if len(cfg.FetchManagers) == 0 {
cfg.FetchManagers = []fetcher.FetcherManager{
new(http.FetcherManager),
new(bt.FetcherManager),
}
}
if cfg.RefreshInterval == 0 {
cfg.RefreshInterval = 350
}
if cfg.Storage == nil {
cfg.Storage = NewMemStorage()
}
return cfg
}