crud implemented

cmd/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"github.com/davidbyttow/govips/v2/vips"
 	log "github.com/sirupsen/logrus"
 	"imageStorage/config"
 	"imageStorage/internal/app"
@@ -13,11 +14,16 @@ import (
 )
 
 func main() {
-	c := config.NewConfig()
-	//c := config.DevConfig()
+	//c := config.NewConfig()
+	c := config.DevConfig()
 	config.LogSetup(c.App.LogLevel)
 	log.Infof("Log level: %s", c.App.LogLevel)
 
+	vips.Startup(&vips.Config{
+		MaxCacheMem: 100 << 20,
+	})
+	defer vips.Shutdown()
+
 	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
 	defer cancel()
 

config.env

@@ -2,4 +2,5 @@ HOST=
 HTTP_PORT=
 GRPC_PORT=
 DOMAIN=
+VOLUME=
 LOG_LEVEL=Info

config/config.go

@@ -9,6 +9,7 @@ type AppConfig struct {
 	HttpPort string
 	GrpcPort string
 	Domain   string
+	Volume   string
 	LogLevel string
 }
 
@@ -19,6 +20,7 @@ func NewConfig() *Config {
 			HttpPort: getEnv("HTTP_PORT", ""),
 			GrpcPort: getEnv("GRPC_PORT", ""),
 			Domain:   getEnv("DOMAIN", ""),
+			Volume:   getEnv("VOLUME", ""),
 			LogLevel: getEnv("LOG_LEVEL", ""),
 		},
 	}

config/devConfig.go

@@ -7,6 +7,7 @@ func DevConfig() *Config {
 			HttpPort: getEnv("HTTP_PORT", "9280"),
 			GrpcPort: getEnv("GRPC_PORT", "9200"),
 			Domain:   getEnv("DOMAIN", "http://localhost:9280"),
+			Volume:   getEnv("VOLUME", ""),
 			LogLevel: getEnv("LOG_LEVEL", "Debug"),
 		},
 	}

internal/convert/service.go

@@ -1,15 +1,48 @@
 package convert
 
+import (
+	"github.com/davidbyttow/govips/v2/vips"
+	"io"
+)
+
 type service struct{}
 
 func newService() *service {
 	return &service{}
 }
 
-func (s *service) ConvertToJpeg() error {
-	return nil
+func (s *service) ConvertAndSave(imageData []byte, fullWriter, thumbWriter io.Writer) error {
+	img, err := vips.NewImageFromBuffer(imageData)
+	if err != nil {
+		return err
+	}
+	defer img.Close()
+
+	//force convert even it is already a jpeg image
+	converted, _, err := img.ExportJpeg(&vips.JpegExportParams{
+		StripMetadata: true,
+		Quality:       90,
+	})
+
+	if _, err = fullWriter.Write(converted); err != nil {
+		return err
+	}
+
+	if err = img.Thumbnail(300, 300, vips.InterestingNone); err != nil {
+		return err
+	}
+
+	thumbnail, _, err := img.ExportJpeg(&vips.JpegExportParams{
+		StripMetadata: true,
+		Quality:       80,
+	})
+	if err != nil {
+		return err
+	}
+
+	if _, err = thumbWriter.Write(thumbnail); err != nil {
+		return err
 	}
 
-func (s *service) MakeThumbnail() error {
 	return nil
 }

internal/interfaces/convert.go

@@ -1,6 +1,7 @@
 package interfaces
 
+import "io"
+
 type Converter interface {
-	MakeThumbnail() error
-	ConvertToJpeg() error
+	ConvertAndSave(imageData []byte, fullWriter, thumbWriter io.Writer) error
 }

internal/mainHandler/handler.go

@@ -9,16 +9,22 @@ import (
 type ImageHandler struct {
 	pb.UnimplementedImageStorageServer
 	converter interfaces.Converter
+	domain    string
+	volume    string
 }
 
 type Deps struct {
 	Converter interfaces.Converter
+	Domain    string
+	Volume    string
 }
 
 func NewHandler(deps Deps) *grpc.Server {
 	srv := grpc.NewServer()
 	imgSrv := ImageHandler{
 		converter: deps.Converter,
+		domain:    deps.Domain,
+		volume:    deps.Volume,
 	}
 
 	pb.RegisterImageStorageServer(srv, &imgSrv)

internal/mainHandler/service.go

@@ -2,17 +2,103 @@ package mainHandler
 
 import (
 	"context"
+	"fmt"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/emptypb"
 	pb "imageStorage/pkg/proto/imageStorage"
+	"os"
+	"path/filepath"
+	"strings"
 )
 
-func (i *ImageHandler) UploadImage(ctx context.Context, req *pb.UploadImageRequest) (*pb.UploadImageResponse, error) {
-	return nil, nil
+func (i *ImageHandler) UploadImage(ctx context.Context, req *pb.UploadMerchImageRequest) (*pb.UploadMerchImageResponse, error) {
+	if len(req.ImageData) == 0 {
+		return nil, status.Errorf(codes.InvalidArgument, "image data is empty")
+	}
+
+	path := i._makeMerchImagePath(req.UserUuid, req.MerchUuid)
+	if err := os.MkdirAll(path, 0777); err != nil {
+		return nil, err
+	}
+	full := filepath.Join(path, "full.jpg")
+	thumbnail := filepath.Join(path, "thumbnail.jpg")
+
+	fullFile, err := os.Create(full)
+	if err != nil {
+		return nil, err
+	}
+	defer fullFile.Close()
+
+	thumbnailFile, err := os.Create(thumbnail)
+	if err != nil {
+		return nil, err
+	}
+	defer thumbnailFile.Close()
+
+	if err = i.converter.ConvertAndSave(req.ImageData, fullFile, thumbnailFile); err != nil {
+		return nil, err
+	}
+
+	response := &pb.UploadMerchImageResponse{
+		FullImage: i._makeMerchImageURL(req.UserUuid, req.MerchUuid, full),
+		Thumbnail: i._makeMerchImageURL(req.UserUuid, req.MerchUuid, thumbnail),
+	}
+
+	return response, nil
 }
 
 func (i *ImageHandler) GetImage(ctx context.Context, req *pb.GetImageRequest) (*pb.GetImageResponse, error) {
-	return nil, nil
+	path := i._makeMerchImagePath(req.UserUuid, req.MerchUuid)
+	unk := status.Error(codes.InvalidArgument, "unknown image type")
+
+	switch req.ImgType {
+	case pb.ImageType_UNKNOWN:
+		return nil, unk
+	case pb.ImageType_FULL:
+		return &pb.GetImageResponse{
+			Url:  fmt.Sprintf("%s/%s", i.domain, filepath.Join(path, "full.jpg")),
+			Etag: "",
+		}, nil
+	case pb.ImageType_THUMBNAIL:
+		return &pb.GetImageResponse{
+			Url:  fmt.Sprintf("%s/%s", i.domain, filepath.Join(path, "thumbnail.jpg")),
+			Etag: "",
+		}, nil
+
+	default:
+		return nil, unk
+	}
 }
 
-func (i *ImageHandler) DeleteImage(ctx context.Context, req *pb.DeleteImageRequest) (*pb.GetImageResponse, error) {
-	return nil, nil
+func (i *ImageHandler) DeleteImage(ctx context.Context, req *pb.DeleteImageRequest) (*emptypb.Empty, error) {
+	path := i._makeMerchImagePath(req.UserUuid, req.MerchUuid)
+
+	entries, err := os.ReadDir(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return &emptypb.Empty{}, nil
+		}
+		return nil, err
+	}
+
+	for _, entry := range entries {
+		if !entry.IsDir() {
+			filePath := filepath.Join(path, entry.Name())
+			if err := os.Remove(filePath); err != nil {
+				return nil, err
+			}
+		}
+	}
+
+	return &emptypb.Empty{}, nil
+}
+
+func (i *ImageHandler) _makeMerchImagePath(u, m string) string {
+	return fmt.Sprintf("%s/merchImages/%s/%s", i.volume, u, m)
+}
+
+func (i *ImageHandler) _makeMerchImageURL(u, m, n string) string {
+	d := strings.TrimSuffix(i.domain, "/")
+	return fmt.Sprintf("%s/merchImages/%s/%s/%s", d, u, m, n)
 }