Manage display of book covers

internal/fileutils/fileutils.go

@@ -0,0 +1,42 @@
+package fileutils
+
+import (
+	"mime/multipart"
+	"path/filepath"
+	"strconv"
+
+	"git.artlef.fr/PersonalLibraryManager/internal/appcontext"
+	"git.artlef.fr/PersonalLibraryManager/internal/model"
+)
+
+func SaveStaticFile(ac *appcontext.AppContext, file *multipart.FileHeader) (model.StaticFile, error) {
+	filename := file.Filename
+	filepath := computePathFromName(ac, filename)
+	err := ac.C.SaveUploadedFile(file, ac.Config.ImageFolderPath+"/"+filepath)
+	if err != nil {
+		return model.StaticFile{}, err
+	}
+	staticFile := model.StaticFile{
+		Name: filename,
+		Path: filepath,
+	}
+	ac.Db.Save(&staticFile)
+	return staticFile, nil
+}
+
+func computePathFromName(ac *appcontext.AppContext, filename string) string {
+	var existingFiles []model.StaticFile
+	ac.Db.Where("name = ?", filename).Find(&existingFiles)
+	l := len(existingFiles)
+	if l == 0 {
+		return filename
+	} else {
+		extension := filepath.Ext(filename)
+		basename := filename[:len(filename)-len(extension)]
+		return basename + "-" + strconv.Itoa(l) + extension
+	}
+}
+
+func GetWsLinkPrefix() string {
+	return "/bookcover/"
+}