#17 add dockerfile for api

api/src/utils/auth.go

@@ -0,0 +1,36 @@
+package utils
+
+import (
+	"context"
+	"log"
+
+	firebase "firebase.google.com/go"
+	"firebase.google.com/go/auth"
+	"google.golang.org/api/option"
+)
+
+var app *firebase.App
+
+func VerifyToken(token string) (*auth.Token, error) {
+	if app == nil {
+		setup()
+	}
+
+	client, err := app.Auth(context.Background())
+	if err != nil {
+		log.Fatalf("error getting Auth client: %v\n", err)
+	}
+	return client.VerifyIDToken(context.Background(), token)
+}
+
+func setup() {
+	opt := option.WithCredentialsFile("./secrets/me-fit-a9365-firebase-adminsdk-8065w-7cf8443902.json")
+
+	firebaseApp, err := firebase.NewApp(context.Background(), nil, opt)
+
+	if err != nil {
+		log.Fatalf("error initializing app: %v", err)
+	}
+
+	app = firebaseApp
+}

api/src/utils/db.go

@@ -0,0 +1,43 @@
+package utils
+
+import (
+	"database/sql"
+	"log"
+
+	"github.com/golang-migrate/migrate/v4"
+	"github.com/golang-migrate/migrate/v4/database/sqlite3"
+	_ "github.com/golang-migrate/migrate/v4/source/file"
+)
+
+func InitializeDB() *sql.DB {
+
+	db, err := sql.Open("sqlite3", "./data.db")
+	if err != nil {
+		log.Fatal("Could not open Database data.db: ", err)
+	}
+	defer db.Close()
+
+	runMigrations(db)
+
+	return db
+}
+
+func runMigrations(db *sql.DB) {
+	driver, err := sqlite3.WithInstance(db, &sqlite3.Config{})
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	m, err := migrate.NewWithDatabaseInstance(
+		"file://./migrations/",
+		"",
+		driver)
+	if err != nil {
+		log.Fatal("Could not create migrations instance: ", err)
+	}
+
+	err = m.Up()
+	if err != nil {
+		log.Fatal("Could not run migrations: ", err)
+	}
+}

api/src/utils/http-utils.go

@@ -0,0 +1,11 @@
+package utils
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func WriteJSON(w http.ResponseWriter, data interface{}) error {
+	w.Header().Set("Content-Type", "application/json")
+	return json.NewEncoder(w).Encode(data)
+}