User creation, DB transactions, createdb flag changes.

api/users.go

@@ -1,6 +1,7 @@
 package api
 
 import (
+	"encoding/json"
 	"strconv"
 
 	"github.com/gorilla/mux"
@@ -24,6 +25,24 @@ func serveUser(w http.ResponseWriter, r *http.Request) error {
 	return writeJSON(w, user)
 }
 
+func serveCreateUser(w http.ResponseWriter, r *http.Request) error {
+	var user models.User
+	err := json.NewDecoder(r.Body).Decode(&user)
+	if err != nil {
+		return err
+	}
+
+	created, err := store.Users.Create(&user)
+	if err != nil {
+		return err
+	}
+	if created {
+		w.WriteHeader(http.StatusCreated)
+	}
+
+	return writeJSON(w, user)
+}
+
 func serveUsers(w http.ResponseWriter, r *http.Request) error {
 	var opt models.UserListOptions
 	if err := schemaDecoder.Decode(&opt, r.URL.Query()); err != nil {