✨ Decode configs of image files to set Width and Height

go.mod

@@ -14,6 +14,8 @@ require github.com/yuin/goldmark v1.6.0
 
 require github.com/yuin/goldmark-emoji v1.0.2
 
+require golang.org/x/image v0.14.0
+
 require (
 	github.com/BurntSushi/toml v0.3.1 // indirect
 	gopkg.in/yaml.v2 v2.3.0 // indirect

go.sum

@@ -23,6 +23,8 @@ github.com/yuin/goldmark v1.6.0/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5ta
 github.com/yuin/goldmark-emoji v1.0.2 h1:c/RgTShNgHTtc6xdz2KKI74jJr6rWi7FPgnP9GAsO5s=
 github.com/yuin/goldmark-emoji v1.0.2/go.mod h1:RhP/RWpexdp+KHs7ghKnifRoIs/Bq4nDS7tRbCkOwKY=
 golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
+golang.org/x/image v0.14.0 h1:tNgSxAFe3jC4uYqvZdTr84SZoM1KfwdC9SKIFrLjFn4=
+golang.org/x/image v0.14.0/go.mod h1:HUYqC05R2ZcZ3ejNQsIHQDQiwWM4JBqmm6MKANTp4LE=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210510120150-4163338589ed/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

internal/static/repository/fs/fs_static.go

@@ -1,10 +1,20 @@
 package fs
 
 import (
+	"bytes"
 	"context"
 	"fmt"
+	"image"
+	_ "image/gif"
+	_ "image/jpeg"
+	_ "image/png"
+	"io"
 	"io/fs"
 	"path/filepath"
+	"strings"
+
+	_ "golang.org/x/image/bmp"
+	_ "golang.org/x/image/webp"
 
 	"source.toby3d.me/toby3d/home/internal/domain"
 	"source.toby3d.me/toby3d/home/internal/static"
@@ -23,19 +33,39 @@ func NewFileServerStaticRepository(root fs.FS) static.Repository {
 func (repo *fileServerStaticRepository) Get(ctx context.Context, p string) (*domain.File, error) {
 	info, err := fs.Stat(repo.root, p)
 	if err != nil {
-		return nil, fmt.Errorf("cannot stat static on path '%s': %w", p, err)
+		return nil, fmt.Errorf("cannot read static info on path '%s': %w", p, err)
 	}
 
-	content, err := fs.ReadFile(repo.root, p)
+	f, err := repo.root.Open(p)
+	if err != nil {
+		return nil, fmt.Errorf("cannot open static on path '%s': %w", p, err)
+	}
+	defer f.Close()
+
+	content, err := io.ReadAll(f)
 	if err != nil {
 		return nil, fmt.Errorf("cannot read static content on path '%s': %w", p, err)
 	}
 
-	return &domain.File{
+	out := &domain.File{
 		Path:    p,
 		Updated: info.ModTime(),
 		Content: content,
-	}, nil
+	}
+
+	parts := strings.Split(out.MediaType(), "/")
+	if len(parts) < 2 || parts[0] != "image" {
+		return out, nil
+	}
+
+	config, _, err := image.DecodeConfig(bytes.NewReader(content))
+	if err != nil {
+		return out, nil
+	}
+
+	out.Width, out.Height = config.Width, config.Height
+
+	return out, nil
 }
 
 func (repo *fileServerStaticRepository) Fetch(ctx context.Context, d string) (domain.Files, int, error) {