fix: delete cached previews when deleting file

http/preview_enum.go

@@ -0,0 +1,100 @@
+// Code generated by go-enum
+// DO NOT EDIT!
+
+package http
+
+import (
+	"database/sql/driver"
+	"fmt"
+	"strings"
+)
+
+const (
+	// PreviewSizeThumb is a PreviewSize of type Thumb
+	PreviewSizeThumb PreviewSize = iota
+	// PreviewSizeBig is a PreviewSize of type Big
+	PreviewSizeBig
+)
+
+const _PreviewSizeName = "thumbbig"
+
+var _PreviewSizeNames = []string{
+	_PreviewSizeName[0:5],
+	_PreviewSizeName[5:8],
+}
+
+// PreviewSizeNames returns a list of possible string values of PreviewSize.
+func PreviewSizeNames() []string {
+	tmp := make([]string, len(_PreviewSizeNames))
+	copy(tmp, _PreviewSizeNames)
+	return tmp
+}
+
+var _PreviewSizeMap = map[PreviewSize]string{
+	0: _PreviewSizeName[0:5],
+	1: _PreviewSizeName[5:8],
+}
+
+// String implements the Stringer interface.
+func (x PreviewSize) String() string {
+	if str, ok := _PreviewSizeMap[x]; ok {
+		return str
+	}
+	return fmt.Sprintf("PreviewSize(%d)", x)
+}
+
+var _PreviewSizeValue = map[string]PreviewSize{
+	_PreviewSizeName[0:5]: 0,
+	_PreviewSizeName[5:8]: 1,
+}
+
+// ParsePreviewSize attempts to convert a string to a PreviewSize
+func ParsePreviewSize(name string) (PreviewSize, error) {
+	if x, ok := _PreviewSizeValue[name]; ok {
+		return x, nil
+	}
+	return PreviewSize(0), fmt.Errorf("%s is not a valid PreviewSize, try [%s]", name, strings.Join(_PreviewSizeNames, ", "))
+}
+
+// MarshalText implements the text marshaller method
+func (x PreviewSize) MarshalText() ([]byte, error) {
+	return []byte(x.String()), nil
+}
+
+// UnmarshalText implements the text unmarshaller method
+func (x *PreviewSize) UnmarshalText(text []byte) error {
+	name := string(text)
+	tmp, err := ParsePreviewSize(name)
+	if err != nil {
+		return err
+	}
+	*x = tmp
+	return nil
+}
+
+// Scan implements the Scanner interface.
+func (x *PreviewSize) Scan(value interface{}) error {
+	var name string
+
+	switch v := value.(type) {
+	case string:
+		name = v
+	case []byte:
+		name = string(v)
+	case nil:
+		*x = PreviewSize(0)
+		return nil
+	}
+
+	tmp, err := ParsePreviewSize(name)
+	if err != nil {
+		return err
+	}
+	*x = tmp
+	return nil
+}
+
+// Value implements the driver Valuer interface.
+func (x PreviewSize) Value() (driver.Value, error) {
+	return x.String(), nil
+}