Add the resolv.json page

Signed-off-by: Max Magorsch <arzano@gentoo.org>

2 files changed, 72 insertions, 0 deletions

diff --git a/pkg/app/handler/packages/resolve.go b/pkg/app/handler/packages/resolve.go
new file mode 100644
index 0000000..0b8a214
--- /dev/null
+++ b/pkg/app/handler/packages/resolve.go
@@ -0,0 +1,71 @@
+package packages
+
+import (
+	"encoding/json"
+	"github.com/go-pg/pg"
+	"github.com/go-pg/pg/v9/orm"
+	"net/http"
+	"soko/pkg/database"
+	"soko/pkg/models"
+)
+
+// Show renders a template to show a given package
+func Resolve(w http.ResponseWriter, r *http.Request) {
+
+	atom := getParam(r, "atom")
+	gpackage := new(models.Package)
+	err := database.DBCon.Model(gpackage).
+		Where("atom LIKE ?", "%"+atom).
+		Relation("Versions").
+		Relation("Versions.Masks").
+		Relation("Commits", func(q *orm.Query) (*orm.Query, error) {
+			return q.Order("preceding_commits DESC").Limit(1), nil
+		}).
+		Limit(1).
+		Select()
+
+	if err != nil && err != pg.ErrNoRows {
+		http.Error(w, http.StatusText(http.StatusInternalServerError),
+			http.StatusInternalServerError)
+		return
+	}
+
+	sortVersionsDesc(gpackage.Versions)
+
+	versions := getJSONVersions(gpackage)
+	maintainers := getJSONMaintainers(gpackage)
+	useflags := getJSONUseflag(gpackage)
+
+	jsonPackage := Package{
+		Atom:        gpackage.Atom,
+		Description: gpackage.Versions[0].Description,
+		Href:        "https://packages.gentoo.org/packages/" + gpackage.Atom,
+		Versions:    versions,
+		Herds:       []string{},
+		Maintainers: maintainers,
+		Use:         useflags,
+		UpdatedAt:   gpackage.Commits[0].CommitterDate,
+	}
+
+	b, err := json.Marshal(jsonPackage)
+
+	if err != nil {
+		http.Error(w, http.StatusText(http.StatusInternalServerError),
+			http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.Write(b)
+}
+
+
+func getParam(r *http.Request, q string) string {
+	keys, ok := r.URL.Query()[q]
+
+	if !ok || len(keys[0]) < 1 {
+		return ""
+	}
+
+	return keys[0]
+}
diff --git a/pkg/app/serve.go b/pkg/app/serve.go
index cd48a8e..4eb50d3 100644
--- a/pkg/app/serve.go
+++ b/pkg/app/serve.go
@@ -42,6 +42,7 @@ func Serve() {
 
 	setRoute("/packages/search", packages.Search)
 	setRoute("/packages/suggest.json", packages.Suggest)
+	setRoute("/packages/resolve.json", packages.Resolve)
 	setRoute("/packages/added", packages.Added)
 	setRoute("/packages/updated", packages.Updated)
 	setRoute("/packages/stable", packages.Stabilized)