chore: slight rename of vars

internal/server/api/routes/file.go

@@ -27,7 +27,7 @@ func RegisterFileRoutes(file *gin.RouterGroup, env bootstrap.Environment, db *go
 
 	// upload route
 	file.POST("/upload", func(c *gin.Context) {
-		f, err := c.FormFile("file")
+		fh, err := c.FormFile("file")
 		if err != nil {
 			slog.Debug("no file or file headers provided on the request", "error", err)
 			c.JSON(http.StatusBadRequest, response.BasicResponse{
@@ -36,7 +36,7 @@ func RegisterFileRoutes(file *gin.RouterGroup, env bootstrap.Environment, db *go
 			return
 		}
 
-		readerStream, err := f.Open()
+		stream, err := fh.Open()
 		if err != nil {
 			slog.Error("failed to a reader stream")
 			c.JSON(http.StatusInternalServerError, response.BasicResponse{
@@ -44,9 +44,9 @@ func RegisterFileRoutes(file *gin.RouterGroup, env bootstrap.Environment, db *go
 			})
 			return
 		}
-		defer readerStream.Close()
+		defer stream.Close()
 
-		fileRecord, err := database.BuildFileRecord(readerStream, f.Filename, env.ContentDirectory)
+		fileRecord, err := database.BuildFileRecord(stream, fh.Filename, env.ContentDirectory)
 		if err != nil {
 			slog.Error("failed to enroll file to the database", "error", err)
 			c.JSON(http.StatusInternalServerError, response.BasicResponse{
@@ -72,7 +72,7 @@ func RegisterFileRoutes(file *gin.RouterGroup, env bootstrap.Environment, db *go
 		}
 
 		// save to filesystem after everything has given a green light
-		if err := c.SaveUploadedFile(f, fileRecord.FilePath); err != nil {
+		if err := c.SaveUploadedFile(fh, fileRecord.FilePath); err != nil {
 			slog.Error("failed to save to disk, rolling back database", "error", err)
 
 			// rollback db if the write has failed