Model refactor (#3915)

* Add mockery config file
* Move basic file/folder structs to models
* Fix hack due to import loop
* Move file interfaces to models
* Move folder interfaces to models
* Move scene interfaces to models
* Move scene marker interfaces to models
* Move image interfaces to models
* Move gallery interfaces to models
* Move gallery chapter interfaces to models
* Move studio interfaces to models
* Move movie interfaces to models
* Move performer interfaces to models
* Move tag interfaces to models
* Move autotag interfaces to models
* Regenerate mocks

pkg/models/model_folder.go

@@ -0,0 +1,51 @@
+package models
+
+import (
+	"fmt"
+	"io"
+	"io/fs"
+	"strconv"
+	"time"
+)
+
+// FolderID represents an ID of a folder.
+type FolderID int32
+
+// String converts the ID to a string.
+func (i FolderID) String() string {
+	return strconv.Itoa(int(i))
+}
+
+func (i *FolderID) UnmarshalGQL(v interface{}) (err error) {
+	switch v := v.(type) {
+	case string:
+		var id int
+		id, err = strconv.Atoi(v)
+		*i = FolderID(id)
+		return err
+	case int:
+		*i = FolderID(v)
+		return nil
+	default:
+		return fmt.Errorf("%T is not an int", v)
+	}
+}
+
+func (i FolderID) MarshalGQL(w io.Writer) {
+	fmt.Fprint(w, strconv.Quote(i.String()))
+}
+
+// Folder represents a folder in the file system.
+type Folder struct {
+	ID FolderID `json:"id"`
+	DirEntry
+	Path           string    `json:"path"`
+	ParentFolderID *FolderID `json:"parent_folder_id"`
+
+	CreatedAt time.Time `json:"created_at"`
+	UpdatedAt time.Time `json:"updated_at"`
+}
+
+func (f *Folder) Info(fs FS) (fs.FileInfo, error) {
+	return f.info(fs, f.Path)
+}