first commit

item/expired.go

@@ -0,0 +1,56 @@
+package item
+
+import (
+	"fmt"
+	"time"
+
+	"gitoa.ru/go-4devs/cache"
+)
+
+//go:generate easyjson
+
+//easyjson:json
+type expiredByte struct {
+	Data    []byte    `json:"d"`
+	Expired time.Time `json:"e"`
+}
+
+func MarshalExpired(item *cache.Item) ([]byte, error) {
+	var (
+		e   expiredByte
+		err error
+	)
+
+	e.Data, err = item.Marshal()
+	if err != nil {
+		return nil, fmt.Errorf("failed marshal expired: %w", err)
+	}
+
+	if item.TTL > 0 {
+		e.Expired = item.Expired()
+	}
+
+	return e.MarshalJSON()
+}
+
+func UnmarshalExpired(item *cache.Item, d []byte) error {
+	var e expiredByte
+
+	if err := e.UnmarshalJSON(d); err != nil {
+		return err
+	}
+
+	if !e.Expired.IsZero() {
+		item.TTL = time.Until(e.Expired)
+	}
+
+	if item.IsExpired() {
+		return cache.ErrCacheExpired
+	}
+
+	if err := item.Unmarshal(e.Data); err != nil {
+		return fmt.Errorf("failed unmarshal expired: %w", err)
+	}
+
+	return nil
+}

item/expired_easyjson.go

@@ -0,0 +1,99 @@
+// Code generated by easyjson for marshaling/unmarshaling. DO NOT EDIT.
+
+package item
+
+import (
+	json "encoding/json"
+	easyjson "github.com/mailru/easyjson"
+	jlexer "github.com/mailru/easyjson/jlexer"
+	jwriter "github.com/mailru/easyjson/jwriter"
+)
+
+// suppress unused package warning
+var (
+	_ *json.RawMessage
+	_ *jlexer.Lexer
+	_ *jwriter.Writer
+	_ easyjson.Marshaler
+)
+
+func easyjsonB8950805DecodeGitoaRuGo4devsCacheItem(in *jlexer.Lexer, out *expiredByte) {
+	isTopLevel := in.IsStart()
+	if in.IsNull() {
+		if isTopLevel {
+			in.Consumed()
+		}
+		in.Skip()
+		return
+	}
+	in.Delim('{')
+	for !in.IsDelim('}') {
+		key := in.UnsafeFieldName(false)
+		in.WantColon()
+		if in.IsNull() {
+			in.Skip()
+			in.WantComma()
+			continue
+		}
+		switch key {
+		case "d":
+			if in.IsNull() {
+				in.Skip()
+				out.Data = nil
+			} else {
+				out.Data = in.Bytes()
+			}
+		case "e":
+			if data := in.Raw(); in.Ok() {
+				in.AddError((out.Expired).UnmarshalJSON(data))
+			}
+		default:
+			in.SkipRecursive()
+		}
+		in.WantComma()
+	}
+	in.Delim('}')
+	if isTopLevel {
+		in.Consumed()
+	}
+}
+func easyjsonB8950805EncodeGitoaRuGo4devsCacheItem(out *jwriter.Writer, in expiredByte) {
+	out.RawByte('{')
+	first := true
+	_ = first
+	{
+		const prefix string = ",\"d\":"
+		out.RawString(prefix[1:])
+		out.Base64Bytes(in.Data)
+	}
+	{
+		const prefix string = ",\"e\":"
+		out.RawString(prefix)
+		out.Raw((in.Expired).MarshalJSON())
+	}
+	out.RawByte('}')
+}
+
+// MarshalJSON supports json.Marshaler interface
+func (v expiredByte) MarshalJSON() ([]byte, error) {
+	w := jwriter.Writer{}
+	easyjsonB8950805EncodeGitoaRuGo4devsCacheItem(&w, v)
+	return w.Buffer.BuildBytes(), w.Error
+}
+
+// MarshalEasyJSON supports easyjson.Marshaler interface
+func (v expiredByte) MarshalEasyJSON(w *jwriter.Writer) {
+	easyjsonB8950805EncodeGitoaRuGo4devsCacheItem(w, v)
+}
+
+// UnmarshalJSON supports json.Unmarshaler interface
+func (v *expiredByte) UnmarshalJSON(data []byte) error {
+	r := jlexer.Lexer{Data: data}
+	easyjsonB8950805DecodeGitoaRuGo4devsCacheItem(&r, v)
+	return r.Error()
+}
+
+// UnmarshalEasyJSON supports easyjson.Unmarshaler interface
+func (v *expiredByte) UnmarshalEasyJSON(l *jlexer.Lexer) {
+	easyjsonB8950805DecodeGitoaRuGo4devsCacheItem(l, v)
+}