Improve release page UI (#3693)

* Improve release page ui by adding size

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Add documentation to a.MustSize()

Signed-off-by: Jonas Franz <info@jonasfranz.software>

models/attachment.go

 	"os"
 	"path"
 
+	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/util"
 	api "code.gitea.io/sdk/gitea"
 	return fi.Size(), nil
 }
 
+// MustSize returns the result of a.Size() by ignoring errors
+func (a *Attachment) MustSize() int64 {
+	size, err := a.Size()
+	if err != nil {
+		log.Error(4, "size: %v", err)
+		return 0
+	}
+	return size
+}
+
 // DownloadURL returns the download url of the attached file
 func (a *Attachment) DownloadURL() string {
 	return fmt.Sprintf("%sattachments/%s", setting.AppURL, a.UUID)

templates/repo/release/list.tmpl

 								<ul class="list">
 									{{if $.Repository.UnitEnabled $.UnitTypeCode}}
 									<li>
-										<a href="{{$.RepoLink}}/archive/{{.TagName}}.zip" rel="nofollow"><i class="octicon octicon-file-zip"></i> {{$.i18n.Tr "repo.release.source_code"}} (ZIP)</a>
+										<a href="{{$.RepoLink}}/archive/{{.TagName}}.zip" rel="nofollow"><strong><i class="octicon octicon-file-zip"></i> {{$.i18n.Tr "repo.release.source_code"}} (ZIP)</strong></a>
 									</li>
 									<li>
-										<a href="{{$.RepoLink}}/archive/{{.TagName}}.tar.gz"><i class="octicon octicon-file-zip"></i> {{$.i18n.Tr "repo.release.source_code"}} (TAR.GZ)</a>
+										<a href="{{$.RepoLink}}/archive/{{.TagName}}.tar.gz"><strong><i class="octicon octicon-file-zip"></i> {{$.i18n.Tr "repo.release.source_code"}} (TAR.GZ)</strong></a>
 									</li>
 									{{end}}
 									{{if .Attachments}}
 									{{range .Attachments}}
 									<li>
 										<a target="_blank" rel="noopener" href="{{AppSubUrl}}/attachments/{{.UUID}}">
-											<span class="ui image octicon octicon-desktop-download" title='{{.Name}}'></span> {{.Name}}
+											<strong><span class="ui image octicon octicon-package" title='{{.Name}}'></span> {{.Name}}</strong>
+											<span class="ui text grey right">{{.MustSize | FileSize}}</span>
 										</a>
 									</li>
 									{{end}}