From 2243cb78fe142cfe8f55d0f6a76c3cfdb1cd2835 Mon Sep 17 00:00:00 2001
From: Alexander Alexeev
Date: Sun, 11 Dec 2016 04:41:47 +0700
Subject: caching help

---
 .../com/juick/www/controllers/HelpController.java  | 78 ++++++++++------------
 1 file changed, 36 insertions(+), 42 deletions(-)

(limited to 'juick-spring-www/src/main/java/com/juick/www/controllers')

diff --git a/juick-spring-www/src/main/java/com/juick/www/controllers/HelpController.java b/juick-spring-www/src/main/java/com/juick/www/controllers/HelpController.java
index 49e24c8c..b5f0134c 100644
--- a/juick-spring-www/src/main/java/com/juick/www/controllers/HelpController.java
+++ b/juick-spring-www/src/main/java/com/juick/www/controllers/HelpController.java
@@ -1,23 +1,18 @@
 package com.juick.www.controllers;
 
-import com.juick.User;
 import com.juick.server.util.HttpNotFoundException;
-import com.juick.service.UserService;
 import com.juick.util.UserUtils;
-import org.springframework.core.io.ClassPathResource;
+import com.juick.www.HelpService;
 import org.springframework.stereotype.Controller;
-import org.springframework.ui.ModelMap;
+import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 
 import javax.inject.Inject;
 import java.io.IOException;
 import java.net.URISyntaxException;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.security.Principal;
+import java.util.Locale;
 import java.util.Optional;
-import java.util.stream.Collectors;
 
 /**
  * Created by aalexeev on 11/21/16.
@@ -25,44 +20,43 @@ import java.util.stream.Collectors;
 @Controller
 public class HelpController {
     @Inject
-    UserService userService;
+    private HelpService helpService;
 
-    @RequestMapping({"/help", "/help/{lang}", "/help/{lang}/{page}"})
-    protected String doGetHelp(
-            Principal principal,
-            @PathVariable("lang") Optional<String> lang,
-            @PathVariable("page") Optional<String> page,
-            ModelMap model) throws IOException, URISyntaxException {
-        String name = UserUtils.getUsername(principal, null);
-        User visitor = userService.getUserByName(name);
+    @RequestMapping({"/help", "/help/{langOrPage}", "/help/{lang}/{page}"})
+    public String showHelp(
+            Locale locale,
+            @PathVariable("lang") Optional<String> langParam,
+            @PathVariable("page") Optional<String> pageParam,
+            @PathVariable("langOrPage") Optional<String> langOrPageParam,
+            Model model) throws IOException, URISyntaxException {
 
-        lang.ifPresent(l -> {
-            if (l.length() != 2 || !l.matches("^[a-z]+$")) {
-                throw new HttpNotFoundException();
-            }
-        });
-        if (!lang.isPresent()) {
-            lang = Optional.of("ru");
-        }
+        String page = pageParam.orElse("index");
+        String lang = langParam.orElse(locale.getLanguage());
 
-        page.ifPresent(p -> {
-            if (!p.matches("^[a-zA-Z0-9\\-]*$") || p.equals("navigation") || p.equals("index")) {
-                throw new HttpNotFoundException();
-            }
-        });
-        if (!page.isPresent()) {
-            page = Optional.of("index");
-        }
+        model.addAttribute("visitor", UserUtils.getCurrentUser());
+        model.addAttribute("help_nav", getContent("navigation", lang, Optional.empty()));
+        model.addAttribute("help_data", getContent(page, lang, langOrPageParam));
 
-        String filePath = "help/" + lang.get() + "/" + page.get();
-        String navigationPath = "help/" + lang.get() + "/navigation";
-
-        model.addAttribute("title", "Помощь");
-        model.addAttribute("visitor", visitor);
-        model.addAttribute("help_nav", Files.readAllLines(Paths.get(new ClassPathResource(navigationPath).getURI()))
-                .stream().collect(Collectors.joining()));
-        model.addAttribute("help_data", Files.readAllLines(Paths.get(new ClassPathResource(filePath).getURI()))
-                .stream().collect(Collectors.joining()));
         return "views/help";
     }
+
+    private String getContent(String page, String lang, Optional<String> langOrPageParam) {
+        String content = null;
+
+        if (langOrPageParam.isPresent()) {
+            String anything = langOrPageParam.get();
+
+            if (helpService.canLang(anything))
+                content = helpService.getHelp(page, anything);
+
+            if (content == null && helpService.canPage(anything))
+                content = helpService.getHelp(anything, lang);
+        } else
+            content = helpService.getHelp(page, lang);
+
+        if (content != null)
+            return content;
+
+        throw new HttpNotFoundException();
+    }
 }
-- 
cgit v1.2.3