First query setup

multiple endpoint setup

api/handler/mainHandler.go

@@ -1,8 +1,6 @@
 package handler
 
-import (
+import "net/http"
-	"net/http"
-)
 
 func CatchAllHandler(w http.ResponseWriter, r *http.Request) {
 	w.WriteHeader(http.StatusGone)

api/handler/userHandler.go

@@ -1 +1,25 @@
 package handler
+
+import (
+	"context"
+	"net/http"
+	"portfolio-backend/database/query"
+)
+
+func CreateUser(w http.ResponseWriter, r *http.Request) {
+	_, err := w.Write([]byte("test2"))
+	if err != nil {
+		InternalServerErrorHandler(w, r)
+	}
+}
+
+func GetUser(w http.ResponseWriter, r *http.Request) {
+	user, err := query.GetUser(context.Background())
+	if err != nil {
+		return
+	}
+	_, err = w.Write([]byte(r.PathValue(user.Name)))
+	if err != nil {
+		InternalServerErrorHandler(w, r)
+	}
+}

database/database.go

@@ -10,6 +10,8 @@ import (
 	_ "github.com/go-sql-driver/mysql"
 )
 
+var DBclient *ent.Client
+
 func DB() {
 
 	err := godotenv.Load()
@@ -26,4 +28,6 @@ func DB() {
 	if err := client.Schema.Create(context.Background()); err != nil {
 		log.Fatalf("failed creating schema resources: %v", err)
 	}
+
+	DBclient = client
 }

database/query/userQuery.go

@@ -0,0 +1,24 @@
+package query
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"portfolio-backend/database"
+	"portfolio-backend/database/ent"
+	"portfolio-backend/database/ent/user"
+)
+
+func GetUser(ctx context.Context) (*ent.User, error) {
+	u, err := database.DBclient.User.
+		Query().
+		Where(user.Name("a8m")).
+		// `Only` fails if no user found,
+		// or more than 1 user returned.
+		Only(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed querying user: %w", err)
+	}
+	log.Println("user returned: ", u)
+	return u, nil
+}

main.go

@@ -2,9 +2,8 @@ package main
 
 import (
 	"net/http"
-	"portfolio-backend/database"
-
 	"portfolio-backend/api/handler"
+	"portfolio-backend/database"
 )
 
 func main() {
@@ -18,8 +17,8 @@ func main() {
 
 	// Register the routes and handlers
 	mux.HandleFunc("/", handler.CatchAllHandler)
-	mux.HandleFunc("/test", handler.TestHandler)
+	mux.HandleFunc("POST /user}", handler.CreateUser)
-	mux.HandleFunc("/test2", handler.Test2Handler)
+	mux.HandleFunc("GET /user/{id}", handler.GetUser)
 
 	// Run the server
 	http.ListenAndServe(":4002", mux)