Split routes, router, and handlers into different files

src/my-prayer-journal.go

@@ -2,17 +2,48 @@
 package main
 
 import (
+	"encoding/json"
 	"log"
+	"net/http"
+	"os"
 
 	"github.com/danieljsummers/myPrayerJournal/src/api/data"
 	"github.com/danieljsummers/myPrayerJournal/src/api/routes"
 )
 
+// Web contains configuration for the web server.
+type Web struct {
+	Port string `json:"port"`
+}
+
+// Settings contains configuration for the myPrayerJournal API.
+type Settings struct {
+	Data *data.Settings     `json:"data"`
+	Web  *Web               `json:"web"`
+	Auth *routes.AuthConfig `json:"auth"`
+}
+
+// readSettings parses the JSON configuration file into the Settings struct.
+func readSettings(f string) *Settings {
+	config, err := os.Open(f)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer config.Close()
+	parser := json.NewDecoder(config)
+	settings := Settings{}
+	if err = parser.Decode(&settings); err != nil {
+		log.Fatal(err)
+	}
+	return &settings
+}
+
 func main() {
-	db, ok := data.Connect(&data.Settings{})
+	cfg := readSettings("config.json")
+	db, ok := data.Connect(cfg.Data)
 	if !ok {
 		log.Fatal("Unable to connect to database; exiting")
 	}
-	router := routes.Routes(db)
-	_ = router // TODO: remove
+	log.Printf("myPrayerJournal API listening on %s", cfg.Web.Port)
+	log.Fatal(http.ListenAndServe(cfg.Web.Port, routes.NewRouter(db, cfg.Auth)))
 }