use local placeholders

src/server/api_generic.go

@@ -1,22 +1,14 @@
 package server
 
 import (
-	"bytes"
 	"fmt"
-	"image"
-	"image/color"
-	"image/draw"
-	"image/png"
 	"io"
+	"math/rand"
 	"net/http"
-	"strings"
+	"time"
 
-	"github.com/golang/freetype"
-	"github.com/golang/freetype/truetype"
 	"github.com/kataras/iris/v12"
 	"github.com/rs/zerolog/log"
-	"golang.org/x/image/font"
-	"golang.org/x/image/font/gofont/gomonobold"
 
 	"pluja.dev/kycnot.me/database"
 )
@@ -42,7 +34,7 @@ func (s *Server) handleApiPicture(c iris.Context) {
 
 	if s.Cache == nil {
 		log.Error().Msg("GetPicture: server's Cache is nil")
-		respondWithPlaceholder(c, "?")
+		respondWithPlaceholder(c)
 		return
 	}
 
@@ -62,24 +54,20 @@ func (s *Server) handleApiPicture(c iris.Context) {
 
 	if database.Pb == nil {
 		log.Error().Msg("GetPicture: database.Pb is nil")
-		respondWithPlaceholder(c, "?")
+		respondWithPlaceholder(c)
 		return
 	}
 
 	service, err := database.Pb.GetServiceById(id)
 	if err != nil || service == nil || service.LogoURL == "" {
 		log.Error().Err(err).Msg("GetPicture: Could not get service or logo URL is empty")
-		name := "?"
-		if service != nil {
-			name = service.Name
-		}
-		respondWithPlaceholder(c, name)
+		respondWithPlaceholder(c)
 		return
 	}
 
 	if s.HttpClient == nil {
 		log.Error().Msg("GetPicture: server's HttpClient is nil")
-		respondWithPlaceholder(c, service.Name)
+		respondWithPlaceholder(c)
 		return
 	}
 
@@ -94,7 +82,7 @@ func (s *Server) handleApiPicture(c iris.Context) {
 	resp, err := s.HttpClient.Do(req)
 	if err != nil || resp == nil || resp.StatusCode != http.StatusOK {
 		log.Debug().Err(err).Msgf("GetPicture: Could not get image for %s", service.Name)
-		respondWithPlaceholder(c, service.Name)
+		respondWithPlaceholder(c)
 		return
 	}
 	defer resp.Body.Close()
@@ -102,7 +90,7 @@ func (s *Server) handleApiPicture(c iris.Context) {
 	bodyBytes, _ := io.ReadAll(resp.Body)
 	if len(bodyBytes) == 0 {
 		log.Debug().Msg("GetPicture: Empty response body")
-		respondWithPlaceholder(c, service.Name)
+		respondWithPlaceholder(c)
 		return
 	}
 
@@ -115,40 +103,18 @@ func (s *Server) handleApiPicture(c iris.Context) {
 	c.Write(bodyBytes)
 }
 
-func respondWithPlaceholder(c iris.Context, serviceName string) {
-	if serviceName == "" {
-		serviceName = "?"
-	}
-	firstLetter := strings.ToUpper(string(serviceName[0]))
-	const width, height, margin = 250, 250, 15
+func respondWithPlaceholder(c iris.Context) {
+	rng := rand.New(rand.NewSource(time.Now().UnixNano()))
+	imageNumber := rng.Intn(4) + 1
+	imagePath := fmt.Sprintf("frontend/static/assets/placeholder_%d.webp", imageNumber)
 
-	img := image.NewRGBA(image.Rect(0, 0, width, height))
-	draw.Draw(img, img.Bounds(), &image.Uniform{color.Black}, image.Point{}, draw.Src)
+	log.Debug().Msgf("Image path: %s", imagePath)
 
-	f, _ := truetype.Parse(gomonobold.TTF)
-	ctx := freetype.NewContext()
-	ctx.SetDPI(72)
-	ctx.SetFont(f)
-	ctx.SetFontSize(180)
-	ctx.SetSrc(image.NewUniform(color.RGBA{0x84, 0xcc, 0x16, 0xff}))
-	ctx.SetClip(img.Bounds())
-	ctx.SetDst(img)
-
-	face := truetype.NewFace(f, &truetype.Options{Size: 180})
-	textWidth := font.MeasureString(face, firstLetter).Round()
-	ascent := face.Metrics().Ascent
-	textHeight := ascent.Ceil()
-
-	x := (width - textWidth) / 2
-	y := (height-textHeight)/2 + textHeight
-	pt := freetype.Pt(x, y)
-
-	ctx.DrawString(firstLetter, pt)
-
-	var buf bytes.Buffer
-	_ = png.Encode(&buf, img)
-
-	c.ContentType("image/png")
+	c.ContentType("image/webp")
 	c.StatusCode(iris.StatusOK)
-	c.Write(buf.Bytes())
+	err := c.SendFile(imagePath, "placeholder.webp")
+	if err != nil {
+		c.StatusCode(iris.StatusInternalServerError)
+		c.JSON(iris.Map{"error": "Failed to send image"})
+	}
 }