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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 org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
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.Optional;
import java.util.stream.Collectors;
/**
* Created by aalexeev on 11/21/16.
*/
@Controller
public class HelpController {
@Inject
UserService userService;
@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);
lang.ifPresent(l -> {
if (l.length() != 2 || !l.matches("^[a-z]+$")) {
throw new HttpNotFoundException();
}
});
if (!lang.isPresent()) {
lang = Optional.of("ru");
}
page.ifPresent(p -> {
if (!p.matches("^[a-zA-Z0-9\\-]*$") || p.equals("navigation") || p.equals("index")) {
throw new HttpNotFoundException();
}
});
if (!page.isPresent()) {
page = Optional.of("index");
}
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";
}
}
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