feat: add direct links download functionality

- Implemented a new task type for handling direct links downloads.
- Added command handler for downloading multiple links via /dl command.
- Introduced progress tracking for direct link downloads.
- Enhanced filename parsing to support various encoding scenarios.
- Updated enums to include direct links as a task type.
- Refactored existing task structures to accommodate new functionality.
- Improved error handling and logging throughout the download process.

pkg/enums/tasktype/tasktype.go

@@ -1,5 +1,5 @@
 package tasktype
 
 //go:generate go-enum --values --names --flag --nocase
-// ENUM(tgfiles,tphpics,parseditem)
+// ENUM(tgfiles,tphpics,parseditem,directlinks)
 type TaskType string

pkg/enums/tasktype/tasktype_enum.go

@@ -18,6 +18,8 @@ const (
 	TaskTypeTphpics TaskType = "tphpics"
 	// TaskTypeParseditem is a TaskType of type parseditem.
 	TaskTypeParseditem TaskType = "parseditem"
+	// TaskTypeDirectlinks is a TaskType of type directlinks.
+	TaskTypeDirectlinks TaskType = "directlinks"
 )
 
 var ErrInvalidTaskType = fmt.Errorf("not a valid TaskType, try [%s]", strings.Join(_TaskTypeNames, ", "))
@@ -26,6 +28,7 @@ var _TaskTypeNames = []string{
 	string(TaskTypeTgfiles),
 	string(TaskTypeTphpics),
 	string(TaskTypeParseditem),
+	string(TaskTypeDirectlinks),
 }
 
 // TaskTypeNames returns a list of possible string values of TaskType.
@@ -41,6 +44,7 @@ func TaskTypeValues() []TaskType {
 		TaskTypeTgfiles,
 		TaskTypeTphpics,
 		TaskTypeParseditem,
+		TaskTypeDirectlinks,
 	}
 }
 
@@ -57,9 +61,10 @@ func (x TaskType) IsValid() bool {
 }
 
 var _TaskTypeValue = map[string]TaskType{
-	"tgfiles":    TaskTypeTgfiles,
-	"tphpics":    TaskTypeTphpics,
-	"parseditem": TaskTypeParseditem,
+	"tgfiles":     TaskTypeTgfiles,
+	"tphpics":     TaskTypeTphpics,
+	"parseditem":  TaskTypeParseditem,
+	"directlinks": TaskTypeDirectlinks,
 }
 
 // ParseTaskType attempts to convert a string to a TaskType.

pkg/parser/parser.go

@@ -55,7 +55,7 @@ func (r *Resource) ID() string {
 	h.Write([]byte(r.Filename))
 	h.Write([]byte(r.MimeType))
 	h.Write([]byte(r.Extension))
-	h.Write([]byte(fmt.Sprintf("%d", r.Size)))
+	fmt.Fprintf(h, "%d", r.Size)
 
 	for k, v := range r.Hash {
 		h.Write([]byte(k))

pkg/tcbdata/data.go

@@ -43,6 +43,8 @@ type Add struct {
 	TphDirPath  string // unescaped telegraph.Page.Path
 	// parseditem
 	ParsedItem *parser.Item
+	// directlinks
+	DirectLinks []string
 }
 
 type SetDefaultStorage struct {