org.ng200.openolympus.controller.solution.SolutionListController.java Source code

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Here is the source code for org.ng200.openolympus.controller.solution.SolutionListController.java

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/**
 * The MIT License
 * Copyright (c) 2014-2015 Nick Guletskii
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.ng200.openolympus.controller.solution;

import java.security.Principal;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import org.ng200.openolympus.SecurityExpressionConstants;
import org.ng200.openolympus.dto.SolutionDto;
import org.ng200.openolympus.model.Contest;
import org.ng200.openolympus.model.Solution;
import org.ng200.openolympus.model.User;
import org.ng200.openolympus.services.ContestService;
import org.ng200.openolympus.services.SolutionService;
import org.ng200.openolympus.services.TaskService;
import org.ng200.openolympus.services.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import com.fasterxml.jackson.annotation.JsonView;

@RestController
public class SolutionListController {

    private static final int PAGE_SIZE = 10;

    @Autowired
    private SolutionService solutionService;

    @Autowired
    private ContestService contestService;

    @Autowired
    private UserService userService;

    @Autowired
    private TaskService taskService;

    @PreAuthorize(SecurityExpressionConstants.IS_ADMIN)
    @RequestMapping(value = "/api/admin/solutionsCount", method = RequestMethod.GET)
    public long getSolutionCount(final User user) {
        return this.solutionService.getSolutionCount();
    }

    @PreAuthorize(SecurityExpressionConstants.IS_USER)
    @RequestMapping(value = "/api/user/solutionsCount", method = RequestMethod.GET)
    public long getSolutionCountForUser(final Principal principal) {
        final User user = this.userService.getUserByUsername(principal.getName());

        // TODO: replace with SQL
        if (this.contestService.getRunningContest() == null) {
            return this.solutionService.countUserSolutions(user);
        }
        return this.contestService.getRunningContest().getTasks().stream()
                .map(task -> this.solutionService.countUserSolutionsForTask(user, task)).reduce((x, y) -> x + y)
                .orElse(0l);
    }

    @PreAuthorize(SecurityExpressionConstants.IS_ADMIN)
    @RequestMapping(value = "/api/admin/solutions", method = RequestMethod.GET)
    public List<SolutionDto> showAllSolutions(
            @RequestParam(value = "page", defaultValue = "1") final Integer pageNumber, final Model model) {
        return this.solutionService.getPage(pageNumber, SolutionListController.PAGE_SIZE).stream()
                .map(solution -> new SolutionDto(solution)).collect(Collectors.toList());
    }

    @PreAuthorize(SecurityExpressionConstants.IS_USER)
    @RequestMapping(value = "/api/user/solutions", method = RequestMethod.GET)
    @JsonView(SolutionDto.SolutionDTOView.class)
    public List<SolutionDto> showUserSolutions(
            @RequestParam(value = "page", defaultValue = "1") final Integer pageNumber, final Model model,
            final Principal principal) {
        final User user = this.userService.getUserByUsername(principal.getName());
        final List<Solution> solutions = new ArrayList<>();
        final Contest contest = this.contestService.getRunningContest();
        if (contest != null) {
            solutions.addAll(this.solutionService.getPage(user, pageNumber, SolutionListController.PAGE_SIZE,
                    contest.getStartTime(), this.contestService.getContestEndTimeForUser(contest, user)));
        } else {
            solutions.addAll(this.solutionService.getPageOutsideOfContest(user, pageNumber,
                    SolutionListController.PAGE_SIZE));
        }

        return solutions.stream().map(solution -> new SolutionDto(solution)).map(dto -> {
            if (contest != null) {
                dto.setScore(null);
            }
            return dto;
        }).collect(Collectors.toList());
    }
}