Chatto/src/main/java/org/ros/chatto/controller/AdminController.java

package org.ros.chatto.controller;

import java.util.Optional;

import org.ros.chatto.model.ChatUser;
import org.ros.chatto.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.server.ResponseStatusException;

import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;

@Controller
@RequestMapping("/admin")
@Slf4j
@RequiredArgsConstructor
public class AdminController {

	@Autowired
	private final UserService userService;

	@GetMapping()
	public String home() {
		return "admin/home";
	}

	@GetMapping("/change-passphrase")
	public String changePassphrase(Model model) {
		model.addAttribute("userNames", userService.getAllRegularUsers());
		return "admin/change-passphrase";
	}

	@GetMapping("/users")
	public String usersPage(@RequestParam Optional<String> mode) {
		if (mode.isPresent()) {
			switch (mode.get()) {
			case "new":
				return "admin/new-user";
			}
		}
		return "admin/users";
	}

	@GetMapping("/users/{userName}")
	public String userProfile(@PathVariable String userName) {
		Optional<ChatUser> maybeUser = userService.getUser(userName);
		if (!maybeUser.isPresent()) {
			throw new ResponseStatusException(HttpStatus.NOT_FOUND,
					"Requested user does not exist");
		}
		return "admin/user-profile";
	}
}