add file upload logic (it's kinda broken rn)

backend/internal/routes/media.go

@@ -0,0 +1,39 @@
+package routes
+
+import (
+	"net/http"
+	"os"
+	"path/filepath"
+
+	"github.com/gin-gonic/gin"
+	"github.com/wisplite/raster/internal/services"
+)
+
+func RegisterMediaRoutes(rg *gin.RouterGroup) {
+	media := rg.Group("/media")
+	media.POST("/uploadMedia", func(c *gin.Context) {
+		file, err := c.FormFile("file")
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		accessToken := c.GetHeader("Authorization")
+		albumID := c.PostForm("albumId")
+		media, err := services.UploadMedia(file, albumID, accessToken)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+
+		if err := os.MkdirAll(filepath.Dir(media.Path), 0755); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to create directory"})
+			return
+		}
+
+		if err := c.SaveUploadedFile(file, media.Path); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to save file"})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"media": media})
+	})
+}