DrFelder/ppr

/*
 * Project Puerto Rico
 * Copyright (C) 2018  Thomas Pötzsch, Stephan Stroh
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package is.surreal.ppr.controller;

import is.surreal.ppr.model.Helper;
import is.surreal.ppr.repository.HelperRepository;
import is.surreal.ppr.repository.OperationRepository;
import is.surreal.ppr.repository.UserRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.bind.annotation.*;

import javax.validation.Valid;
import java.net.URI;
import java.net.URISyntaxException;

@RestController
@CrossOrigin(origins = "http://localhost:8081", exposedHeaders = "Location")
@RequestMapping("/rest/helper")
public class HelperController {

    private HelperRepository helperRepository;
    private OperationRepository operationRepository;
    private UserRepository userRepository;

    @Autowired
    public HelperController(HelperRepository helperRepository, OperationRepository operationRepository, UserRepository userRepository) {
        this.helperRepository = helperRepository;
        this.operationRepository = operationRepository;
        this.userRepository = userRepository;
    }

    @PostMapping
    @PreAuthorize("hasAuthority('ADMIN_USER') or hasAuthority('STANDARD_USER')")
    ResponseEntity<?> addEquipment(@Valid @RequestBody Helper input) throws URISyntaxException {
        Authentication auth = SecurityContextHolder.getContext().getAuthentication();
        Long userId = this.userRepository.findByUsername(auth.getName()).getId();
        Long operationOrganizerId = this.operationRepository.findById(input.getOperationId()).get().getOrganizerId();
        if (userId == operationOrganizerId) {
            Helper result = this.helperRepository.save(input);
            URI location = new URI("http://localhost:8081/#/operation/" + result.getId());
            return ResponseEntity.created(location).build();
        }
        return null;
    }

}