58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
package api
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import (
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"fmt"
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"net/http"
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"strconv"
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"goth.stack/lib"
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"github.com/labstack/echo/v4"
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)
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// ResizeHandler godoc
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// @Summary Resize an image
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// @Description Resizes an uploaded image to specified dimensions
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// @Tags tools
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// @Accept mpfd
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// @Produce png
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// @Param image formData file true "Image file to resize"
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// @Param width formData int true "Target width"
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// @Param height formData int true "Target height"
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// @Success 200 {file} binary "Resized image"
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// @Failure 400 {string} string "Bad request"
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// @Failure 500 {string} string "Internal server error"
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// @Router /tools/resize [post]
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func ResizeHandler(c echo.Context) error {
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// Extract file from request
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file, _, err := c.Request().FormFile("image")
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if err != nil {
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return c.String(http.StatusBadRequest, "Error getting image file")
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}
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defer file.Close()
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// Get dimensions from form data parameters
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widthStr := c.FormValue("width")
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heightStr := c.FormValue("height")
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// Validate and convert dimensions to integers
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width, err := strconv.Atoi(widthStr)
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if err != nil {
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return c.String(http.StatusBadRequest, "Invalid width parameter")
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}
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height, err := strconv.Atoi(heightStr)
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if err != nil {
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return c.String(http.StatusBadRequest, "Invalid height parameter")
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}
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fileBlob, err := lib.ResizeImg(file, width, height)
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if err != nil {
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return c.String(http.StatusInternalServerError, err.Error())
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}
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c.Response().Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", "resized.png"))
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return c.Blob(http.StatusOK, "image/png", fileBlob)
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}
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