Загрузка плаща вынесена в отдельный метод, реализовано отображение ссылки на плащ в запросах на текстуры

lib/data/CapeItem.go

@@ -0,0 +1,43 @@
+package data
+
+import (
+	"io"
+	"os"
+	"fmt"
+	"strings"
+	"crypto/md5"
+	"encoding/hex"
+
+	"elyby/minecraft-skinsystem/lib/services"
+)
+
+type CapeItem struct {
+	File *os.File
+}
+
+func FindCapeByUsername(username string) (CapeItem, error) {
+	var record CapeItem
+	file, err := os.Open(services.RootFolder + "/data/capes/" + strings.ToLower(username) + ".png")
+	if (err != nil) {
+		return record, CapeNotFound{username}
+	}
+
+	record.File = file
+
+	return record, err
+}
+
+func (cape *CapeItem) CalculateHash() string {
+	hasher := md5.New()
+	io.Copy(hasher, cape.File)
+
+	return hex.EncodeToString(hasher.Sum(nil))
+}
+
+type CapeNotFound struct {
+	Who string
+}
+
+func (e CapeNotFound) Error() string {
+	return fmt.Sprintf("Cape file not found. Required username \"%v\"", e.Who)
+}

lib/data/DataNotFound.go

@@ -1,11 +0,0 @@
-package data
-
-import "fmt"
-
-type DataNotFound struct {
-	Who string
-}
-
-func (e DataNotFound) Error() string {
-	return fmt.Sprintf("Skin data not found. Required username \"%v\"", e.Who)
-}

lib/data/SkinItem.go

@@ -2,6 +2,7 @@ package data
 
 import (
 	"log"
+	"fmt"
 	"encoding/json"
 
 	"elyby/minecraft-skinsystem/lib/services"
@@ -59,11 +60,11 @@ func (s *SkinItem) Delete() {
 	pool.Cmd("EXEC")
 }
 
-func FindByUsername(username string) (SkinItem, error) {
+func FindSkinByUsername(username string) (SkinItem, error) {
 	var record SkinItem;
 	response := services.RedisPool.Cmd("GET", tools.BuildKey(username));
 	if (response.IsType(redis.Nil)) {
-		return record, DataNotFound{username}
+		return record, SkinNotFound{username}
 	}
 
 	result, err := response.Str()
@@ -79,13 +80,21 @@ func FindByUsername(username string) (SkinItem, error) {
 	return record, err
 }
 
-func FindById(id int) (SkinItem, error) {
+func FindSkinById(id int) (SkinItem, error) {
 	response := services.RedisPool.Cmd("HGET", accountIdToUsernameKey, id);
 	if (response.IsType(redis.Nil)) {
-		return SkinItem{}, DataNotFound{"unknown"}
+		return SkinItem{}, SkinNotFound{"unknown"}
 	}
 
 	username, _ := response.Str()
 
-	return FindByUsername(username)
+	return FindSkinByUsername(username)
+}
+
+type SkinNotFound struct {
+	Who string
+}
+
+func (e SkinNotFound) Error() string {
+	return fmt.Sprintf("Skin data not found. Required username \"%v\"", e.Who)
 }

lib/data/TexturesResponse.go

@@ -2,6 +2,7 @@ package data
 
 type TexturesResponse struct {
 	Skin *Skin `json:"SKIN"`
+	Cape *Cape `json:"CAPE,omitempty"`
 }
 
 type Skin struct {
@@ -13,3 +14,8 @@ type Skin struct {
 type SkinMetadata struct {
 	Model string `json:"model"`
 }
+
+type Cape struct {
+	Url      string        `json:"url"`
+	Hash     string        `json:"hash"`
+}