From 8b05856fd9f24f4445737252922a7dda3d1f9eff Mon Sep 17 00:00:00 2001
From: Martin Gallauner <martin.gallauner@pm.me>
Date: Thu, 9 May 2024 08:37:52 +0200
Subject: [PATCH] adds new healthz endpoint

---
 http/bookclub.http            | 6 +++++-
 internal/handler_readiness.go | 9 +++++++++
 internal/server.go            | 7 ++++---
 internal/user_service_test.go | 4 ++--
 4 files changed, 20 insertions(+), 6 deletions(-)
 create mode 100644 internal/handler_readiness.go

diff --git a/http/bookclub.http b/http/bookclub.http
index aa2fe03..590b4ac 100644
--- a/http/bookclub.http
+++ b/http/bookclub.http
@@ -73,4 +73,8 @@ GET http://localhost:8080/auth/google
 ###
 # group: auth
 # @name logout
-GET http://localhost:8080/auth/google/logout
\ No newline at end of file
+GET http://localhost:8080/auth/google/logout
+
+###
+# @name healthz
+GET http://localhost:8080/api/healthz
\ No newline at end of file
diff --git a/internal/handler_readiness.go b/internal/handler_readiness.go
new file mode 100644
index 0000000..f8444d5
--- /dev/null
+++ b/internal/handler_readiness.go
@@ -0,0 +1,9 @@
+package internal
+
+import "net/http"
+
+func handlerReadiness(w http.ResponseWriter, r *http.Request) {
+	w.Header().Add("Content-Type", "text/plain; charset=utf-8")
+	w.WriteHeader(http.StatusOK)
+	w.Write([]byte(http.StatusText(http.StatusOK)))
+}
diff --git a/internal/server.go b/internal/server.go
index 8f7d1d5..0400688 100644
--- a/internal/server.go
+++ b/internal/server.go
@@ -45,10 +45,11 @@ func NewBookclubServer(client Client, repository BookRepository, userRepository
 	router.Handle("/api/users", http.HandlerFunc(s.handlerCreateUser))
 	router.Handle("/api/links/{id}", http.HandlerFunc(s.handlerGetLinks))
 	router.Handle("/api/links", http.HandlerFunc(s.handlerCreateLink))
-	router.Handle("/auth/{provider}/callback", http.HandlerFunc(s.handlerCallback))
-	router.Handle("/auth/{provider}/logout", http.HandlerFunc(s.handlerLogout))
-	router.Handle("/auth/{provider}", http.HandlerFunc(s.handlerLogin))
+	router.Handle("/api/auth/{provider}/callback", http.HandlerFunc(s.handlerCallback))
+	router.Handle("/api/auth/{provider}/logout", http.HandlerFunc(s.handlerLogout))
+	router.Handle("/api/auth/{provider}", http.HandlerFunc(s.handlerLogin))
 	router.Handle("/swagger/*", httpSwagger.Handler(httpSwagger.URL("http://localhost:8080/swagger/doc.json")))
+	router.Handle("/api/healthz", http.HandlerFunc(handlerReadiness))
 
 	s.Handler = router
 	return s
diff --git a/internal/user_service_test.go b/internal/user_service_test.go
index 1def3bd..1b73e1b 100644
--- a/internal/user_service_test.go
+++ b/internal/user_service_test.go
@@ -181,7 +181,7 @@ func TestLogin(t *testing.T) {
 
 	//when
 
-	request, _ := http.NewRequest(http.MethodPost, "/auth/login", nil)
+	request, _ := http.NewRequest(http.MethodPost, "/api/auth/login", nil)
 	response := httptest.NewRecorder()
 	s.ServeHTTP(response, request)
 
@@ -213,7 +213,7 @@ func TestLoginOfNewUser(t *testing.T) {
 	}
 
 	//when
-	request, _ := http.NewRequest(http.MethodPost, "/auth/login", nil)
+	request, _ := http.NewRequest(http.MethodPost, "/api/auth/login", nil)
 	response := httptest.NewRecorder()
 	s.ServeHTTP(response, request)