feat: default routes added

Author: shahadathhs

Makefile

@@ -122,7 +122,7 @@ down:
 
 up-dev:
 	@echo "🐳 Starting Docker Compose For Development..."
-	@docker compose -f $(COMPOSE_FILE) --profile dev up -d --build
+	@docker compose -f $(COMPOSE_FILE) --profile dev up --build
 
 down-dev:
 	@echo "🛑 Stopping Docker Compose For Development..."

handlers/auth.go

@@ -5,7 +5,6 @@ import (
 	"net/http"
 	"time"
 
-	// "knowledge-capsule-api/middleware"
 	"knowledge-capsule-api/models"
 	"knowledge-capsule-api/store"
 	"knowledge-capsule-api/utils"

handlers/default.go

@@ -0,0 +1,27 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func RootHandler(w http.ResponseWriter, r *http.Request) {
+	json.NewEncoder(w).Encode(map[string]string{
+		"message": "Welcome to Knowledge Capsule API",
+		"status":  "ok",
+	})
+}
+
+func ApiRootHandler(w http.ResponseWriter, r *http.Request) {
+	json.NewEncoder(w).Encode(map[string]string{
+		"message": "Knowledge Capsule API Root",
+		"version": "v1",
+	})
+}
+
+func HealthHandler(w http.ResponseWriter, r *http.Request) {
+	json.NewEncoder(w).Encode(map[string]string{
+		"status":  "healthy",
+		"service": "knowledge-capsule-api",
+	})
+}

main.go

@@ -7,11 +7,17 @@ import (
 
 	"knowledge-capsule-api/handlers"
 	"knowledge-capsule-api/middleware"
+	"knowledge-capsule-api/utils"
 )
 
 func main() {
 	mux := http.NewServeMux()
 
+	// Default routes
+	mux.HandleFunc("/", utils.AllowMethod(http.MethodGet, handlers.RootHandler))
+	mux.HandleFunc("/api", utils.AllowMethod(http.MethodGet, handlers.ApiRootHandler))
+	mux.HandleFunc("/health", utils.AllowMethod(http.MethodGet, handlers.HealthHandler))
+
 	// Public routes
 	mux.HandleFunc("/api/auth/register", handlers.RegisterHandler)
 	mux.HandleFunc("/api/auth/login", handlers.LoginHandler)

utils/method.go

@@ -0,0 +1,14 @@
+package utils
+
+import "net/http"
+
+func AllowMethod(method string, h http.HandlerFunc) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != method {
+			w.Header().Set("Allow", method)
+			http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
+			return
+		}
+		h(w, r)
+	}
+}