refactor: refactor task logic for better scalability (#76)

* refactor: a big refactor. wip

* refactor: port handle file

* refactor: place all handlers

* fix: task info nil pointer

* feat: enhance task progress tracking and context management

* feat: cancel task

* feat: stream mode

* feat: silent mode

* feat: dir cmd

* refactor: remove unused old file

* feat: rule cmd

* feat: handle silent mode

* feat: batch task

* fix: batch task progress and temp file cleanup

* refactor: update file creation and cleanup methods for better resource management

* feat: add save command with silent mode handling

* feat: message link

* feat: update message prompts to include file count in storage selection

* feat: slient save links

* refactor: reduce dup code

* feat: rule type

* feat: chose dir

* feat: refactor file handling and storage rules, improve error handling and logging

* feat: rule mode

* feat: telegraph pics

* fix: tphpics nil pointer and inaccurate dirpath

* feat: silent save telegraph

* feat: add suffix to avoid file overwrite

* feat: new storage telegram

* chore: tidy go mod

core/tphtask/task.go

@@ -0,0 +1,51 @@
+package tphtask
+
+import (
+	"context"
+	"sync/atomic"
+
+	"github.com/krau/SaveAny-Bot/pkg/telegraph"
+	"github.com/krau/SaveAny-Bot/storage"
+)
+
+type Task struct {
+	ID       string
+	Ctx      context.Context
+	PhPath   string
+	Pics     []string
+	Stor     storage.Storage
+	StorPath string
+	client   *telegraph.Client
+	progress ProgressTracker
+
+	cannotStream bool
+	totalpics    int
+	downloaded   atomic.Int64
+}
+
+func NewTask(
+	id string,
+	ctx context.Context,
+	phPath string,
+	pics []string,
+	stor storage.Storage,
+	storPath string,
+	client *telegraph.Client,
+	progress ProgressTracker,
+) *Task {
+	_, cannotStream := stor.(storage.StorageCannotStream)
+	tphtask := &Task{
+		ID:           id,
+		Ctx:          ctx,
+		PhPath:       phPath,
+		Pics:         pics,
+		Stor:         stor,
+		StorPath:     storPath,
+		client:       client,
+		progress:     progress,
+		cannotStream: cannotStream,
+		totalpics:    len(pics),
+		downloaded:   atomic.Int64{},
+	}
+	return tphtask
+}