Consolidate the feed code for new Atom module.

Now each module just defines the main feed object and we use one
function to populate the feed entries.

Signed-off-by: Alec Warner <antarus@gentoo.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/pkg/app/handler/packages/utils.go b/pkg/app/handler/packages/utils.go
index d9ce6e1..dfece1a 100644
--- a/pkg/app/handler/packages/utils.go
+++ b/pkg/app/handler/packages/utils.go
@@ -5,6 +5,8 @@ package packages
 import (
 	"crypto/md5"
 	"encoding/hex"
+	"fmt"
+	"github.com/gorilla/feeds"
 	"github.com/go-pg/pg"
 	"github.com/go-pg/pg/v9/orm"
 	"html/template"
@@ -17,6 +19,7 @@ import (
 	"sort"
 	"strings"
 	textTemplate "text/template"
+	"time"
 )
 
 // getAddedPackages returns a list of recently added
@@ -125,6 +128,28 @@ func GetKeywordedVersions(n int) []*models.Version {
 	return keywordedVersions
 }
 
+// addFeedItems is a helper to add items to a feed; most of the feeds use []*models.Version as the entity.
+func addFeedItems(f *feeds.Feed, versions []*models.Version) {
+  for _, version := range versions {
+    cpv := fmt.Sprintf("%s-%s", version.Atom, version.Version)
+    item := &feeds.Item{
+      Title:  cpv,
+      Link: &feeds.Link{Href: fmt.Sprintf("https://packages.gentoo.org/package/%s", version.Atom)},
+      Description: version.Description,
+      Author:      &feeds.Author{Name: "unknown"},
+      Created:  time.Now(),
+    }
+    if len(version.Commits) > 0 {
+      lastCommit := version.Commits[0]
+      item.Author = &feeds.Author{Name: lastCommit.CommitterName}
+      item.Created = lastCommit.CommitterDate
+      item.Content = fmt.Sprintf("%s is now available in Gentoo on these architectures: %s. See <a href='https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=%s'>Gitweb</a>",
+        cpv, version.Keywords, lastCommit.Id)
+    }
+    f.Add(item)
+  }
+}
+
 // RenderPackageTemplates renders the given templates using the given data
 // One pattern can be used to specify templates
 func renderPackageTemplate(page string, templatepattern string, funcMap template.FuncMap, data interface{}, w http.ResponseWriter) {