pollo/api/tools.resize.go

45 lines
1 KiB
Go

package api
import (
"fmt"
"net/http"
"strconv"
"atri.dad/lib"
"github.com/labstack/echo/v4"
)
func ResizeHandler(c echo.Context) error {
// Extract file from request
file, _, err := c.Request().FormFile("image")
if err != nil {
return c.String(http.StatusBadRequest, "Error getting image file")
}
defer file.Close()
// Get dimensions from form data parameters
widthStr := c.FormValue("width")
heightStr := c.FormValue("height")
// Validate and convert dimensions to integers
width, err := strconv.Atoi(widthStr)
if err != nil {
return c.String(http.StatusBadRequest, "Invalid width parameter")
}
height, err := strconv.Atoi(heightStr)
if err != nil {
return c.String(http.StatusBadRequest, "Invalid height parameter")
}
fileBlob, err := lib.ResizeImg(file, width, height)
if err != nil {
return c.String(http.StatusInternalServerError, err.Error())
}
c.Response().Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", "resized.png"))
return c.Blob(http.StatusOK, "image/png", fileBlob)
}