Lecture04

lecture04/src/main/java/ru/atom/chat/client/ChatClient.java

@@ -40,11 +40,22 @@ public static Response viewChat() throws IOException {
     //POST host:port/chat/say?name=my_name
     //Body: "msg='my_message'"
     public static Response say(String name, String msg) throws IOException {
-        throw new UnsupportedOperationException();
+        MediaType mediaType = MediaType.parse(msg);
+        Request request = new Request.Builder()
+                .post(RequestBody.create(mediaType, ""))
+                .url(PROTOCOL + HOST + PORT + "/chat/say?name=" + name)
+                .addHeader("host", HOST + PORT)
+                .build();
+        return client.newCall(request).execute();
     }
 
     //GET host:port/chat/online
     public static Response viewOnline() throws IOException {
-        throw new UnsupportedOperationException();
+        Request request = new Request.Builder()
+                .get()
+                .url(PROTOCOL + HOST + PORT + "/chat/online")
+                .addHeader("host", HOST + PORT)
+                .build();
+        return client.newCall(request).execute();
     }
 }

lecture04/src/main/java/ru/atom/chat/server/ChatController.java

@@ -59,16 +59,46 @@ public ResponseEntity online() {
     /**
      * curl -X POST -i localhost:8080/chat/logout -d "name=I_AM_STUPID"
      */
-    //TODO
+    @RequestMapping(
+            path = "logout",
+            method = RequestMethod.POST,
+            consumes = MediaType.APPLICATION_FORM_URLENCODED_VALUE)
+    @ResponseStatus(HttpStatus.OK)
+    public ResponseEntity<String> logout(@RequestParam("name") String name) {
+        if (!usersOnline.containsKey(name)) {
+            return ResponseEntity.badRequest().body("There's not such user");
+        }
+        usersOnline.remove(name);
+        messages.add("[" + name + "] logged out");
+        return ResponseEntity.ok().build();
+    }
 
     /**
      * curl -X POST -i localhost:8080/chat/say -d "name=I_AM_STUPID&msg=Hello everyone in this chat"
      */
-    //TODO
+    @RequestMapping(
+            path = "say",
+            method = RequestMethod.POST,
+            consumes = MediaType.APPLICATION_FORM_URLENCODED_VALUE)
+    @ResponseStatus(HttpStatus.OK)
+    public ResponseEntity<String> say(@RequestParam("name") String name, @RequestParam("msg") String message) {
+        if (!usersOnline.containsKey(name)) {
+            return ResponseEntity.badRequest().body("There's no such user");
+        }
+        messages.add("[" + name + "]: " + message);
+        return ResponseEntity.ok().build();
+    }
 
 
     /**
      * curl -i localhost:8080/chat/chat
      */
-    //TODO
+    @RequestMapping(
+            path = "chat",
+            method = RequestMethod.GET,
+            produces = MediaType.TEXT_PLAIN_VALUE)
+    public ResponseEntity chat() {
+        String responseBody = String.join("\n", messages.stream().sorted().collect(Collectors.toList()));
+        return ResponseEntity.ok(responseBody);
+    }
 }