Insert and Update Users instead of generic Save function. Check ID != 0

shared/model/request.go

@@ -1,5 +1,9 @@
 package model
 
+import (
+	"fmt"
+)
+
 type Request struct {
 	Host   string  `json:"-"`
 	User   *User   `json:"-"`
@@ -7,3 +11,16 @@ type Request struct {
 	Commit *Commit `json:"commit"`
 	Prior  *Commit `json:"prior_commit"`
 }
+
+// URL returns the link to the commit in
+// string format.
+func (r *Request) URL() string {
+	return fmt.Sprintf("%s/%s/%s/%s",
+		r.Host,
+		r.Repo.Host,
+		r.Repo.Owner,
+		r.Repo.Name,
+		r.Commit.Branch,
+		r.Commit.Sha,
+	)
+}