Merge pull request #10 from nathan29849/feature/#6/user_list

feat: [#6] 사용자 목록 출력 - 동적 HTML 구현

Author: nathan29849

src/main/java/db/UserDataBase.java

@@ -1,7 +1,9 @@
 package db;
 
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 import model.User;
@@ -26,8 +28,10 @@ public static User findUserById(String userId) {
         return null;
     }
 
-    public static Collection<User> findAll() {
-        return users.values();
+    public static List<User> findAll() {
+        List<User> userList = new ArrayList<>();
+        users.forEach((k, v) -> userList.add(v));
+        return userList;
     }
 
     private static boolean checkExistingUserId(String userId) {

src/main/java/handler/RequestHandler.java

@@ -4,6 +4,7 @@
 import db.UserDataBase;
 import http.request.HttpMethod;
 import http.request.HttpRequest;
+import http.request.RequestHeaders;
 import http.request.RequestLine;
 import http.request.RequestMessageBody;
 import http.request.RequestURI;
@@ -12,6 +13,7 @@
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.net.Socket;
+import java.util.Collection;
 import java.util.Map;
 import model.User;
 import org.slf4j.Logger;
@@ -39,8 +41,27 @@ public void run() {
             RequestURI requestUri = requestLine.getRequestUri();
             String url = requestUri.getPath();
 
-            if (requestLine.getHttpMethod().equals(HttpMethod.GET) && URLDataBase.contains(url)) {
-                httpResponse = HttpResponse.ok(url);
+            if (requestLine.getHttpMethod().equals(HttpMethod.GET)) {
+                if (URLDataBase.contains(url)) {
+                    httpResponse = HttpResponse.ok(url);
+                }
+                if (url.equals("/user/list")) {
+                    RequestHeaders requestHeaders = httpRequest.getRequestHeaders();
+                    String cookies = requestHeaders.getCookie();
+                    log.debug("Cookie= {}", cookies);
+                    if (cookies == null) {
+                        httpResponse = HttpResponse.ok("/user/login.html");
+                    }
+
+                    if (cookies != null) {
+                        Map<String, String> parseCookies = HttpRequestUtils.parseCookies(cookies);
+                        if (parseCookies.get("logined").equals("false")) {
+                            httpResponse = HttpResponse.ok("/user/login.html");
+                        }
+                        httpResponse = HttpResponse.ok("/user/list.html", UserDataBase.findAll());
+                    }
+                }
+                httpResponse.flush(out);
             }
 
             if (requestLine.getHttpMethod().equals(HttpMethod.POST)) {

src/main/java/http/request/RequestHeaders.java

@@ -22,4 +22,11 @@ public String getHeader(String key) {
 	public boolean containsKey(String key) {
 		return headers.containsKey(key);
 	}
+
+	public String getCookie() {
+		if (headers.containsKey("Cookie")) {
+			return headers.get("Cookie");
+		}
+		return null;
+	}
 }

src/main/java/http/response/HttpResponse.java

@@ -7,6 +7,9 @@
 import java.io.OutputStream;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
+import java.util.Collection;
+import java.util.List;
+import model.User;
 
 public class HttpResponse {
 
@@ -52,6 +55,36 @@ public static HttpResponse ok(String viewName) throws IOException {
 		return new HttpResponse(statusLine, responseHeaders, responseMessageBody);
 	}
 
+	public static HttpResponse ok(String viewName, List<User> users) throws IOException {
+		StringBuilder sb = new StringBuilder();
+		List<String> fileLines = Files.readAllLines(new File("./webapp" + viewName).toPath());
+		for (String fileLine : fileLines) {
+			if (fileLine.equals("<!-- user list -->")) {
+				int userCount = 0;
+				sb.append("              <tbody>\r\n");
+				for (User user : users) {
+					userCount++;
+					sb.append("                <tr>\r\n");
+					sb.append("                    <th scope=\"row\">").append(userCount).append("</th>");
+					sb.append(" <td>").append(user.getUserId()).append("</td>");
+					sb.append(" <td>").append(user.getName()).append("</td>");
+					sb.append(" <td>").append(user.getEmail()).append("</td>");
+					sb.append("<td><a href=\"#\" class=\"btn btn-success\" role=\"button\">수정</a></td>\r\n");
+					sb.append("                </tr>\r\n");
+				}
+				sb.append("              </tbody>\r\n");
+			}
+			sb.append(fileLine).append("\r\n");
+		}
+		byte[] messageBody = sb.toString().getBytes(StandardCharsets.UTF_8);
+		StatusLine statusLine = new StatusLine(new HttpVersion("HTTP/1.1"), HttpResponseStatus.OK);
+		ResponseHeaders responseHeaders = new ResponseHeaders();
+		responseHeaders.setContentType("text/html;charset=utf-8");
+		responseHeaders.setContentLength(messageBody.length);
+		ResponseMessageBody responseMessageBody = new ResponseMessageBody(messageBody);
+		return new HttpResponse(statusLine, responseHeaders, responseMessageBody);
+	}
+
 	public static HttpResponse found(String redirectURI) {
 		StatusLine statusLine = new StatusLine(new HttpVersion("HTTP/1.1"), HttpResponseStatus.FOUND);
 		ResponseHeaders responseHeaders = new ResponseHeaders();

webapp/user/list.html

@@ -82,14 +82,15 @@
                     <th>#</th> <th>사용자 아이디</th> <th>이름</th> <th>이메일</th><th></th>
                 </tr>
               </thead>
-              <tbody>
-                <tr>
-                    <th scope="row">1</th> <td>javajigi</td> <td>자바지기</td> <td>javajigi@sample.net</td><td><a href="#" class="btn btn-success" role="button">수정</a></td>
-                </tr>
-                <tr>
-                    <th scope="row">2</th> <td>slipp</td> <td>슬립</td> <td>slipp@sample.net</td><td><a href="#" class="btn btn-success" role="button">수정</a></td>
-                </tr>
-              </tbody>
+<!-- user list -->
+<!--              <tbody>-->
+<!--                <tr>-->
+<!--                    <th scope="row">1</th> <td>javajigi</td> <td>자바지기</td> <td>javajigi@sample.net</td><td><a href="#" class="btn btn-success" role="button">수정</a></td>-->
+<!--                </tr>-->
+<!--                <tr>-->
+<!--                    <th scope="row">2</th> <td>slipp</td> <td>슬립</td> <td>slipp@sample.net</td><td><a href="#" class="btn btn-success" role="button">수정</a></td>-->
+<!--                </tr>-->
+<!--              </tbody>-->
           </table>
         </div>
     </div>
@@ -100,4 +101,4 @@
 <script src="../js/bootstrap.min.js"></script>
 <script src="../js/scripts.js"></script>
 	</body>
-</html>
+</html>