Implémenter upload de document par API

`POST /bucket/:bucket` permet d'upload un FormFile 'file' dans le
':bucket' spécifié. Le nom de fichier sera utilisé comme descriptif alors il est de bonne pratique de donner un nom descriptif.

Comme le reste du API, doit être authentifié par key-auth

cmd/server.go

@@ -116,7 +116,7 @@ func RunServer() {
 
 	groupV1.GET("/bucket/:bucket", handleV1BucketRead)
 
-	groupV1.POST("/bucket/:bucket/:document", handleV1DocumentCreate)
+	groupV1.POST("/bucket/:bucket", handleV1DocumentCreate)
 
 	groupV1.GET("/bucket/:bucket/:document", handleV1DocumentRead)
 
@@ -305,8 +305,59 @@ func handleV1BucketRead(c echo.Context) error {
 }
 
 func handleV1DocumentCreate(c echo.Context) error {
-	return c.JSON(http.StatusNotImplemented, map[string]string{
+	documents_endpoint := viper.GetString("server.documents.endpoint")
-		"message": "Not Implemented",
+	documents_access_key_id := viper.GetString("server.documents.access_key_id")
+	documents_secret_access_key := viper.GetString("server.documents.secret_access_key")
+	documents_use_ssl := viper.GetBool("server.documents.use_ssl")
+
+	//bucket := c.FormValue("bucket")
+	bucket := c.Param("bucket")
+
+	form_file, err := c.FormFile("file")
+	if err != nil {
+		return err
+	}
+
+	ctx, cancel := context.WithCancel(context.Background())
+
+	defer cancel()
+
+	// Initialize minio client object
+	client, err := minio.New(documents_endpoint, &minio.Options{
+		Creds:  credentials.NewStaticV4(documents_access_key_id, documents_secret_access_key, ""),
+		Secure: documents_use_ssl,
+	})
+	if err != nil {
+		return c.JSON(http.StatusInternalServerError, map[string]string{
+			"message": "Error during minio#New",
+		})
+	}
+
+	src, err := form_file.Open()
+	if err != nil {
+		return err
+	}
+	defer src.Close()
+
+	info, err := client.PutObject(ctx, bucket, form_file.Filename, src, form_file.Size, minio.PutObjectOptions{
+		ContentType: form_file.Header.Get("Content-Type"),
+	})
+	if err != nil {
+		//TODO
+		log.Println(err)
+
+		return c.JSON(http.StatusInternalServerError, map[string]string{
+			"message": "Error during minio#PutObject",
+		})
+	}
+
+	return c.JSON(http.StatusOK, map[string]interface{}{
+		"message": "ok",
+		"info": map[string]interface{}{
+			"bucket": info.Bucket,
+			"key":    info.Key,
+			"size":   info.Size,
+		},
 	})
 }