Initial commit

internal/database/database.go

@@ -0,0 +1,53 @@
+package database
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+	"time"
+
+	_ "github.com/joho/godotenv/autoload"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+)
+
+type Service interface {
+	Health() map[string]string
+}
+
+type service struct {
+	db *mongo.Client
+}
+
+var (
+	host = os.Getenv("BLUEPRINT_DB_HOST")
+	port = os.Getenv("BLUEPRINT_DB_PORT")
+	//database = os.Getenv("BLUEPRINT_DB_DATABASE")
+)
+
+func New() Service {
+	client, err := mongo.Connect(context.Background(), options.Client().ApplyURI(fmt.Sprintf("mongodb://%s:%s", host, port)))
+
+	if err != nil {
+		log.Fatal(err)
+
+	}
+	return &service{
+		db: client,
+	}
+}
+
+func (s *service) Health() map[string]string {
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
+	defer cancel()
+
+	err := s.db.Ping(ctx, nil)
+	if err != nil {
+		log.Fatalf(fmt.Sprintf("db down: %v", err))
+	}
+
+	return map[string]string{
+		"message": "It's healthy",
+	}
+}

internal/database/database_test.go

@@ -0,0 +1,61 @@
+package database
+
+import (
+	"context"
+	"log"
+	"testing"
+
+	"github.com/testcontainers/testcontainers-go/modules/mongodb"
+)
+
+func mustStartMongoContainer() (func(context.Context) error, error) {
+	dbContainer, err := mongodb.Run(context.Background(), "mongo:latest")
+	if err != nil {
+		return nil, err
+	}
+
+	dbHost, err := dbContainer.Host(context.Background())
+	if err != nil {
+		return dbContainer.Terminate, err
+	}
+
+	dbPort, err := dbContainer.MappedPort(context.Background(), "27017/tcp")
+	if err != nil {
+		return dbContainer.Terminate, err
+	}
+
+	host = dbHost
+	port = dbPort.Port()
+
+	return dbContainer.Terminate, err
+}
+
+func TestMain(m *testing.M) {
+	teardown, err := mustStartMongoContainer()
+	if err != nil {
+		log.Fatalf("could not start mongodb container: %v", err)
+	}
+
+	m.Run()
+
+	if teardown != nil && teardown(context.Background()) != nil {
+		log.Fatalf("could not teardown mongodb container: %v", err)
+	}
+}
+
+func TestNew(t *testing.T) {
+	srv := New()
+	if srv == nil {
+		t.Fatal("New() returned nil")
+	}
+}
+
+func TestHealth(t *testing.T) {
+	srv := New()
+
+	stats := srv.Health()
+
+	if stats["message"] != "It's healthy" {
+		t.Fatalf("expected message to be 'It's healthy', got %s", stats["message"])
+	}
+}

internal/server/routes.go

@@ -0,0 +1,78 @@
+package server
+
+import (
+	"net/http"
+
+	"fmt"
+	"log"
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	"blueprint_fix/cmd/web"
+	"github.com/a-h/templ"
+	"io/fs"
+
+	"github.com/coder/websocket"
+)
+
+func (s *Server) RegisterRoutes() http.Handler {
+	r := gin.Default()
+
+	r.GET("/", s.HelloWorldHandler)
+
+	r.GET("/health", s.healthHandler)
+
+	r.GET("/websocket", s.websocketHandler)
+
+	staticFiles, _ := fs.Sub(web.Files, "assets")
+	r.StaticFS("/assets", http.FS(staticFiles))
+
+	r.GET("/web", func(c *gin.Context) {
+		templ.Handler(web.HelloForm()).ServeHTTP(c.Writer, c.Request)
+	})
+
+	r.POST("/hello", func(c *gin.Context) {
+		web.HelloWebHandler(c.Writer, c.Request)
+	})
+
+	return r
+}
+
+func (s *Server) HelloWorldHandler(c *gin.Context) {
+	resp := make(map[string]string)
+	resp["message"] = "Hello World"
+
+	c.JSON(http.StatusOK, resp)
+}
+
+func (s *Server) healthHandler(c *gin.Context) {
+	c.JSON(http.StatusOK, s.db.Health())
+}
+
+func (s *Server) websocketHandler(c *gin.Context) {
+	w := c.Writer
+	r := c.Request
+	socket, err := websocket.Accept(w, r, nil)
+
+	if err != nil {
+		log.Printf("could not open websocket: %v", err)
+		_, _ = w.Write([]byte("could not open websocket"))
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	defer socket.Close(websocket.StatusGoingAway, "server closing websocket")
+
+	ctx := r.Context()
+	socketCtx := socket.CloseRead(ctx)
+
+	for {
+		payload := fmt.Sprintf("server timestamp: %d", time.Now().UnixNano())
+		err := socket.Write(socketCtx, websocket.MessageText, []byte(payload))
+		if err != nil {
+			break
+		}
+		time.Sleep(time.Second * 2)
+	}
+}

internal/server/routes_test.go

@@ -0,0 +1,32 @@
+package server
+
+import (
+	"github.com/gin-gonic/gin"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestHelloWorldHandler(t *testing.T) {
+	s := &Server{}
+	r := gin.New()
+	r.GET("/", s.HelloWorldHandler)
+	// Create a test HTTP request
+	req, err := http.NewRequest("GET", "/", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	// Create a ResponseRecorder to record the response
+	rr := httptest.NewRecorder()
+	// Serve the HTTP request
+	r.ServeHTTP(rr, req)
+	// Check the status code
+	if status := rr.Code; status != http.StatusOK {
+		t.Errorf("Handler returned wrong status code: got %v want %v", status, http.StatusOK)
+	}
+	// Check the response body
+	expected := "{\"message\":\"Hello World\"}"
+	if rr.Body.String() != expected {
+		t.Errorf("Handler returned unexpected body: got %v want %v", rr.Body.String(), expected)
+	}
+}

internal/server/server.go

@@ -0,0 +1,39 @@
+package server
+
+import (
+	"fmt"
+	"net/http"
+	"os"
+	"strconv"
+	"time"
+
+	_ "github.com/joho/godotenv/autoload"
+
+	"blueprint_fix/internal/database"
+)
+
+type Server struct {
+	port int
+
+	db database.Service
+}
+
+func NewServer() *http.Server {
+	port, _ := strconv.Atoi(os.Getenv("PORT"))
+	NewServer := &Server{
+		port: port,
+
+		db: database.New(),
+	}
+
+	// Declare Server config
+	server := &http.Server{
+		Addr:         fmt.Sprintf(":%d", NewServer.port),
+		Handler:      NewServer.RegisterRoutes(),
+		IdleTimeout:  time.Minute,
+		ReadTimeout:  10 * time.Second,
+		WriteTimeout: 30 * time.Second,
+	}
+
+	return server
+}