Add endpoint ping

Author: tanrax

README.md

@@ -293,6 +293,28 @@ curl 'https://glosa.example:4000/api/v1/captcha/?url=https://glosa.example/best-
     "token": ""
 }
 ```
+
+### Check if he is alive
+
+GET: Simple answer to check that the service is working.
+
+``` sh
+/api/v1/ping/
+```
+
+#### Example
+
+``` sh
+curl 'https://glosa.example:4000/api/v1/ping/'
+```
+
+#### Success response
+
+``` json
+{
+    "ping": "pong"
+}
+```
 ---
 
 ## Manager script

project.clj

@@ -1,4 +1,4 @@
-(defproject glosa "1.0.5"
+(defproject glosa "1.0.6"
   :description "glosa"
   :url "https://github.com/tanrax/glosa"
   :license {:name "EPL-2.0 OR GPL-2.0-or-later WITH Classpath-exception-2.0"

src/glosa/urls.clj

@@ -11,7 +11,8 @@
   (context api-prefix []
            (GET "/comments/" [] view-public/get-comments)
            (POST "/comments/" [] view-public/add-comment)
-           (GET "/captcha/" [] view-public/get-captcha)))
+           (GET "/captcha/" [] view-public/get-captcha)
+           (GET "/ping/" [] view-public/pong)))
 
 (defroutes resources-routes
   ;; Resources (statics)

src/glosa/views/public.clj

@@ -27,6 +27,11 @@
   [req]
   (render-JSON req (assoc {} :token (captcha/get-token (-> req :params :url)))))
 
+(defn pong
+  "Gives a simple message to record his abilities to play ping pong while he is alive"
+  [req]
+  (render-JSON req {:ping "pong"}))
+
 (defn status-404
   "Page 404"
   [req]