feat: now PostImage return Image struct even on duplicate data

modules/backend/handlers/common.go

@@ -19,14 +19,14 @@ import (
 
 type Server struct {
 	db             *sqlc.Queries
-	// publisher *rmq.Publisher
+	ImageServerURL string
 	RPCclient      *rmq.RPCClient
 }
 
-func NewServer(db *sqlc.Queries, rpcclient *rmq.RPCClient) *Server {
+func NewServer(db *sqlc.Queries, ImageServerURL string, rpcclient *rmq.RPCClient) *Server {
 	return &Server{
 		db:             db,
-		// publisher: publisher,
+		ImageServerURL: ImageServerURL,
 		RPCclient:      rpcclient,
 	}
 }

modules/backend/handlers/images.go

@@ -3,32 +3,35 @@ package handlers
 import (
 	"bytes"
 	"context"
+	"encoding/json"
+	"errors"
 	"fmt"
 	"image"
 	"image/jpeg"
 	"image/png"
 	"io"
+	"mime/multipart"
 	"net/http"
 	oapi "nyanimedb/api"
-	"os"
-	"path/filepath"
+	sqlc "nyanimedb/sql"
+
 	"strings"
 
 	"github.com/disintegration/imaging"
+	"github.com/jackc/pgx/v5/pgconn"
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/image/webp"
 )
 
 // PostMediaUpload implements oapi.StrictServerInterface.
 func (s *Server) PostMediaUpload(ctx context.Context, request oapi.PostMediaUploadRequestObject) (oapi.PostMediaUploadResponseObject, error) {
-	// Получаем multipart body
+	// 1. Получаем multipart body
 	mp := request.MultipartBody
 	if mp == nil {
 		log.Errorf("PostMedia without body")
 		return oapi.PostMediaUpload400JSONResponse("Multipart body is required"), nil
 	}
 
-	// Парсим первую часть (предполагаем, что файл в поле "file")
 	part, err := mp.NextPart()
 	if err != nil {
 		log.Errorf("PostMedia without file")
@@ -36,8 +39,6 @@ func (s *Server) PostMediaUpload(ctx context.Context, request oapi.PostMediaUplo
 	}
 	defer part.Close()
 
-	// Читаем ВЕСЬ файл в память (для небольших изображений — нормально)
-	// Если файлы могут быть большими — используйте лимитированный буфер (см. ниже)
 	data, err := io.ReadAll(part)
 	if err != nil {
 		log.Errorf("PostMedia cannot read file")
@@ -45,97 +46,142 @@ func (s *Server) PostMediaUpload(ctx context.Context, request oapi.PostMediaUplo
 	}
 
 	if len(data) == 0 {
-		log.Errorf("PostMedia empty file")
 		return oapi.PostMediaUpload400JSONResponse("Empty file"), nil
 	}
 
-	// Проверка MIME по первым 512 байтам
+	// 2. Проверка и декодирование (оставляем как было)
 	mimeType := http.DetectContentType(data)
-	if mimeType != "image/jpeg" && mimeType != "image/png" && mimeType != "image/webp" {
-		log.Errorf("PostMedia bad type")
-		return oapi.PostMediaUpload400JSONResponse("Bad data type"), nil
-	}
-
-	// Декодируем изображение из буфера
 	var img image.Image
 	switch mimeType {
 	case "image/jpeg":
-		{
 		img, err = jpeg.Decode(bytes.NewReader(data))
-			if err != nil {
-				log.Errorf("PostMedia cannot decode file: %v", err)
-				return oapi.PostMediaUpload500Response{}, nil
-			}
-		}
 	case "image/png":
-		{
 		img, err = png.Decode(bytes.NewReader(data))
-			if err != nil {
-				log.Errorf("PostMedia cannot decode file: %v", err)
-				return oapi.PostMediaUpload500Response{}, nil
-			}
-		}
 	case "image/webp":
-		{
 		img, err = webp.Decode(bytes.NewReader(data))
-			if err != nil {
-				log.Errorf("PostMedia cannot decode file: %v", err)
-				return oapi.PostMediaUpload500Response{}, nil
-			}
-		}
+	default:
+		log.Errorf("PostMedia unsupported type: %s", mimeType)
+		return oapi.PostMediaUpload400JSONResponse("Unsupported image type"), nil
 	}
 
+	if err != nil {
+		log.Errorf("PostMedia decode error: %v", err)
+		return oapi.PostMediaUpload500Response{}, nil
+	}
+
+	// 3. Перекодируем в PNG перед отправкой
 	var buf bytes.Buffer
-	err = imaging.Encode(&buf, img, imaging.PNG)
-	if err != nil {
-		log.Errorf("PostMedia failed to re-encode JPEG: %v", err)
+	if err := imaging.Encode(&buf, img, imaging.PNG); err != nil {
+		log.Errorf("PostMedia encode error: %v", err)
 		return oapi.PostMediaUpload500Response{}, nil
 	}
 
-	// TODO: to delete
-	filename := part.FileName()
-	if filename == "" {
-		filename = "upload_" + generateRandomHex(8) + ".jpg"
+	// 4. Подготавливаем запрос к внешнему хранилищу (Image Server)
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+
+	// Создаем часть с файлом
+	partWriter, err := writer.CreateFormFile("file", "image.png")
+	if err != nil {
+		return oapi.PostMediaUpload500Response{}, nil
+	}
+	if _, err := io.Copy(partWriter, &buf); err != nil {
+		return oapi.PostMediaUpload500Response{}, nil
+	}
+
+	// Добавляем subdir
+	_ = writer.WriteField("subdir", "posters")
+	writer.Close()
+
+	// Формируем полный URL (s.AppConfig.ImageSocket теперь base_url, например "http://storage.local")
+	// Убедимся, что путь не дублирует слэши
+	uploadURL := strings.TrimSuffix(s.ImageServerURL, "/") + "/upload"
+
+	// 5. Отправляем обычный HTTP POST
+	reqUpstream, err := http.NewRequestWithContext(ctx, "POST", uploadURL, body)
+	if err != nil {
+		return oapi.PostMediaUpload500Response{}, nil
+	}
+	reqUpstream.Header.Set("Content-Type", writer.FormDataContentType())
+
+	resp, err := http.DefaultClient.Do(reqUpstream)
+	if err != nil {
+		log.Errorf("PostMedia upstream request failed: %v", err)
+		return oapi.PostMediaUpload500Response{}, nil
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		log.Errorf("PostMedia storage returned status: %d", resp.StatusCode)
+		return oapi.PostMediaUpload500Response{}, nil
+	}
+
+	// 6. Получаем путь из ответа хранилища
+	var storageResp struct {
+		Path string `json:"path"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&storageResp); err != nil {
+		return oapi.PostMediaUpload500Response{}, nil
+	}
+
+	// В storageResp.Path теперь лежит что-то вроде "posters/a1/b2/hash.png"
+	log.Infof("Successfully uploaded: %s", storageResp.Path)
+
+	params := sqlc.CreateImageParams{
+		StorageType: sqlc.StorageTypeTLocal,
+		ImagePath:   storageResp.Path,
+	}
+
+	// TODO: param for local/s3 case
+	_image, err := s.db.CreateImage(ctx, params)
+	if err != nil {
+		var pgErr *pgconn.PgError
+		if errors.As(err, &pgErr) {
+			if pgErr.Code == pgErrDuplicateKey { //duplicate key value
+				log.Errorf("%v", err)
+
+				_image, err = s.db.GetImageByPath(ctx, storageResp.Path)
+				if err != nil {
+					log.Errorf("%v", err)
+					return oapi.PostMediaUpload500Response{}, nil
+				}
+				image, err := mapImage(_image)
+				if err != nil {
+					log.Errorf("%v", err)
+					return oapi.PostMediaUpload500Response{}, nil
+				}
+				return oapi.PostMediaUpload200JSONResponse(*image), nil
 			} else {
-		filename = sanitizeFilename(filename)
-		if !strings.HasSuffix(strings.ToLower(filename), ".png") {
-			filename += ".png"
+				log.Errorf("%v", err)
+				return oapi.PostMediaUpload500Response{}, nil
+			}
+		} else {
+			log.Errorf("%v", err)
+			return oapi.PostMediaUpload500Response{}, nil
 		}
 	}
 
-	// TODO: пойти на хуй ( вызвать файловую помойку)
-	os.Mkdir("uploads", 0644)
-	err = os.WriteFile(filepath.Join("./uploads", filename), buf.Bytes(), 0644)
+	image, err := mapImage(_image)
 	if err != nil {
-		log.Errorf("PostMedia failed to write: %v", err)
+		log.Errorf("%v", err)
 		return oapi.PostMediaUpload500Response{}, nil
 	}
 
-	return oapi.PostMediaUpload200JSONResponse{}, nil
+	return oapi.PostMediaUpload200JSONResponse(*image), nil
 }
 
-// Вспомогательные функции — как раньше
-func generateRandomHex(n int) string {
-	b := make([]byte, n)
-	for i := range b {
-		b[i] = byte('a' + (i % 16))
-	}
-	return fmt.Sprintf("%x", b)
-}
+func mapImage(_image sqlc.Image) (*oapi.Image, error) {
 
-func sanitizeFilename(name string) string {
-	var clean strings.Builder
-	for _, r := range name {
-		if (r >= 'a' && r <= 'z') ||
-			(r >= 'A' && r <= 'Z') ||
-			(r >= '0' && r <= '9') ||
-			r == '.' || r == '_' || r == '-' {
-			clean.WriteRune(r)
+	sType, err := sql2StorageType(&_image.StorageType)
+	if err != nil {
+		return nil, fmt.Errorf("mapImage: %v", err)
 	}
+
+	image := oapi.Image{
+		Id:          &_image.ID,
+		ImagePath:   &_image.ImagePath,
+		StorageType: sType,
 	}
-	s := clean.String()
-	if s == "" {
-		return "file"
-	}
-	return s
+
+	return &image, nil
 }

modules/backend/main.go

@@ -10,6 +10,7 @@ import (
 	"time"
 
 	oapi "nyanimedb/api"
+
 	handlers "nyanimedb/modules/backend/handlers"
 	middleware "nyanimedb/modules/backend/middlewares"
 	"nyanimedb/modules/backend/rmq"
@@ -61,7 +62,7 @@ func main() {
 
 	rpcClient := rmq.NewRPCClient(rmqConn, 30*time.Second)
 
-	server := handlers.NewServer(queries, rpcClient)
+	server := handlers.NewServer(queries, AppConfig.ImageServerURL, rpcClient)
 
 	r.Use(cors.New(cors.Config{
 		AllowOrigins: []string{AppConfig.ServiceAddress},

modules/backend/queries.sql

@@ -3,6 +3,11 @@ SELECT id, storage_type, image_path
 FROM images
 WHERE id = sqlc.arg('illust_id')::bigint;
 
+-- name: GetImageByPath :one
+SELECT id, storage_type, image_path
+FROM images
+WHERE image_path = sqlc.arg('illust_path')::text;
+
 -- name: CreateImage :one
 INSERT INTO images (storage_type, image_path)
 VALUES ($1, $2)

modules/backend/types.go

@@ -8,4 +8,5 @@ type Config struct {
 	LogLevel       string `toml:"LogLevel" env:"LOG_LEVEL"`
 	RmqURL         string `toml:"RabbitMQUrl" env:"RABBITMQ_URL"`
 	AuthEnabled    string `toml:"AuthEnabled" env:"AUTH_ENABLED"`
+	ImageServerURL string `toml:"ImageServerURL" env:"IMAGES_BASE_URL"`
 }

sql/queries.sql.go

@@ -102,6 +102,19 @@ func (q *Queries) GetImageByID(ctx context.Context, illustID int64) (Image, erro
 	return i, err
 }
 
+const getImageByPath = `-- name: GetImageByPath :one
+SELECT id, storage_type, image_path
+FROM images
+WHERE image_path = $1::text
+`
+
+func (q *Queries) GetImageByPath(ctx context.Context, illustPath string) (Image, error) {
+	row := q.db.QueryRow(ctx, getImageByPath, illustPath)
+	var i Image
+	err := row.Scan(&i.ID, &i.StorageType, &i.ImagePath)
+	return i, err
+}
+
 const getReviewByID = `-- name: GetReviewByID :one
 
 SELECT id, data, rating, user_id, title_id, created_at