1 files changed, 71 insertions, 0 deletions
diff --git a/internal/image/handler.go b/internal/image/handler.go
new file mode 100644
index 0000000..8988a58
--- /dev/null
+++ b/internal/image/handler.go
@@ -0,0 +1,71 @@
+package image
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+)
+
+var fileTypes = map[string]string{
+	"image/jpeg": "jpg",
+	"image/png":  "png",
+}
+
+// Handler image handler interface
+type Handler interface {
+	GetImage(w http.ResponseWriter, r *http.Request)
+	PostImage(w http.ResponseWriter, r *http.Request)
+}
+
+// NewHandler create image handler struct
+func NewHandler(service Servicer) Handler {
+	return &imageHandler{service}
+}
+
+type imageHandler struct {
+	service Servicer
+}
+
+func (h *imageHandler) GetImage(w http.ResponseWriter, r *http.Request) {
+	log.Print("serving image")
+	http.ServeFile(w, r, "foo.jpg")
+}
+
+// PostImage handler for creating an image post
+func (h *imageHandler) PostImage(w http.ResponseWriter, r *http.Request) {
+	// max size
+	r.ParseMultipartForm(10 << 20)
+	file, handler, err := r.FormFile("file")
+	if err != nil {
+		log.Printf("%s", err)
+	}
+	defer file.Close()
+	fileBytes, err := ioutil.ReadAll(file)
+	if err != nil {
+		log.Printf("%s", err)
+		log.Printf("unsupported filetype")
+		w.WriteHeader(400)
+		w.Write([]byte("Incorrect Content Type"))
+		return
+	}
+	fileType := http.DetectContentType(fileBytes)
+	if fileType != handler.Header.Get("Content-Type") {
+		log.Printf("file type and content type do not match")
+		w.WriteHeader(400)
+		w.Write([]byte("Incorrect Content Type"))
+		return
+	}
+	extension, exists := fileTypes[fileType]
+	if !exists {
+		log.Printf("unsupported filetype")
+		w.WriteHeader(400)
+		w.Write([]byte("Incorrect Content Type"))
+		return
+	}
+	fileID, err := h.service.NewID()
+	fileName := fmt.Sprintf("%s.%s", fileID, extension)
+	h.service.AddFile(fileName, fileBytes)
+	w.WriteHeader(201)
+	w.Write([]byte("ok"))
+}