mirror of
https://github.com/krau/SaveAny-Bot.git
synced 2026-08-29 20:26:42 +08:00
107 lines
3.2 KiB
Go
107 lines
3.2 KiB
Go
package batchtfile
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import (
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"context"
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"encoding/json"
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"fmt"
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"path/filepath"
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"github.com/krau/SaveAny-Bot/config"
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"github.com/krau/SaveAny-Bot/core"
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"github.com/krau/SaveAny-Bot/pkg/enums/tasktype"
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tfilepkg "github.com/krau/SaveAny-Bot/pkg/tfile"
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"github.com/krau/SaveAny-Bot/storage"
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)
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type elementPayload struct {
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ID string `json:"id"`
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Storage string `json:"storage"`
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Path string `json:"path"`
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File tfilepkg.FilePayload `json:"file"`
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SourceGroupKey string `json:"source_group_key"`
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SourceCaption string `json:"source_caption"`
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PreserveCaption bool `json:"preserve_caption"`
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}
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type taskPayload struct {
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ID string `json:"id"`
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Elements []elementPayload `json:"elements"`
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ChatID int64 `json:"chat_id"`
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MessageID int `json:"message_id"`
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IgnoreErrors bool `json:"ignore_errors"`
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}
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type taskCodec struct{}
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func init() {
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core.RegisterTaskCodec(tasktype.TaskTypeTgfiles, taskCodec{})
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}
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func (taskCodec) Marshal(task core.Executable) ([]byte, error) {
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t, ok := task.(*Task)
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if !ok {
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return nil, fmt.Errorf("unexpected task type %T", task)
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}
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p := taskPayload{
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ID: t.ID,
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IgnoreErrors: t.IgnoreErrors,
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}
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for _, elem := range t.elems {
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filePayload, ok := tfilepkg.FilePayloadOf(elem.File)
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if !ok {
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return nil, fmt.Errorf("file %T is not serializable", elem.File)
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}
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p.Elements = append(p.Elements, elementPayload{
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ID: elem.ID,
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Storage: elem.Storage.Name(),
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Path: elem.Path,
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File: filePayload,
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SourceGroupKey: elem.sourceGroupKey,
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SourceCaption: elem.sourceCaption,
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PreserveCaption: elem.preserveCaption,
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})
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}
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if progress, ok := t.Progress.(*Progress); ok {
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p.ChatID = progress.ChatID
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p.MessageID = progress.MessageID
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}
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return json.Marshal(p)
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}
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func (taskCodec) Unmarshal(data []byte) (core.Executable, error) {
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var p taskPayload
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if err := json.Unmarshal(data, &p); err != nil {
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return nil, fmt.Errorf("invalid task payload: %w", err)
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}
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dler := core.DownloaderClient()
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if dler == nil {
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return nil, fmt.Errorf("no downloader client available")
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}
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elems := make([]TaskElement, 0, len(p.Elements))
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for _, ep := range p.Elements {
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stor, err := storage.GetStorageByName(context.Background(), ep.Storage)
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if err != nil {
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return nil, fmt.Errorf("storage %q: %w", ep.Storage, err)
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}
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localPath, err := filepath.Abs(filepath.Join(config.C().Temp.BasePath, fmt.Sprintf("%s_%s", ep.ID, ep.File.Name)))
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if err != nil {
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return nil, fmt.Errorf("failed to build cache path: %w", err)
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}
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elems = append(elems, TaskElement{
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ID: ep.ID,
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Storage: stor,
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Path: ep.Path,
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File: tfilepkg.FileFromPayload(ep.File, dler),
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localPath: localPath,
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sourceGroupKey: ep.SourceGroupKey,
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sourceCaption: ep.SourceCaption,
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preserveCaption: ep.PreserveCaption,
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})
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}
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var progress ProgressTracker
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if p.ChatID != 0 {
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progress = NewProgressTracker(p.MessageID, p.ChatID)
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}
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return NewBatchTGFileTask(p.ID, context.Background(), elems, progress, p.IgnoreErrors), nil
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}
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