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/*
 * Copyright (C) 2008-2017, Juick
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.juick.api.controllers;

import com.juick.User;
import com.juick.server.helpers.PrivateChats;
import com.juick.server.util.HttpForbiddenException;
import com.juick.server.util.HttpNotFoundException;
import com.juick.server.util.UserUtils;
import com.juick.service.PMQueriesService;
import org.springframework.http.MediaType;
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 javax.inject.Inject;
import java.util.List;

/**
 * @author ugnich
 */
@RestController
public class Others {
    @Inject
    private PMQueriesService pmQueriesService;

    @RequestMapping(value = "groups_pms", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
    public PrivateChats doGetGroupsPMs(
            @RequestParam(defaultValue = "5") int cnt) {
        User visitor = UserUtils.getCurrentUser();
        int vuid = visitor.getUid();
        if (vuid == 0) {
            throw new HttpForbiddenException();
        }
        if (cnt < 3) {
            cnt = 3;
        }
        if (cnt > 10) {
            cnt = 10;
        }

        List<User> lastconv = pmQueriesService.getPMLastConversationsUsers(vuid, cnt);
        if (lastconv != null && !lastconv.isEmpty()) {
            PrivateChats pms = new PrivateChats();
            pms.setUsers(lastconv);
            return pms;
        }
        throw new HttpNotFoundException();
    }
}