driver733/VK-Uploader

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2018 Mikhail Yakushin
 *
 * 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 NON-INFRINGEMENT. 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 com.driver733.vkuploader.post;

import com.jcabi.aspects.Cacheable;
import com.jcabi.aspects.Immutable;
import com.vk.api.sdk.client.VkApiClient;
import com.vk.api.sdk.client.actors.UserActor;
import com.vk.api.sdk.exceptions.ApiException;
import com.vk.api.sdk.exceptions.ClientException;
import java.util.concurrent.TimeUnit;

/**
 * Acquires upload servers for various files.
 *
 * @since 0.1
 */
@Immutable
public final class UploadServersBasic implements UploadServers {

    /**
     * Group ID.
     */
    private final int group;

    /**
     * VKAPIClient that is used for all VK API requests.
     */
    private final VkApiClient client;

    /**
     * UserActor on behalf of which all requests will be sent.
     */
    private final UserActor actor;

    /**
     * Ctor.
     * @param client VKAPIClient that is used for all VK API requests.
     * @param actor UserActor on behalf of which all requests will be sent.
     * @param group Group ID.
     */
    public UploadServersBasic(
        final VkApiClient client,
        final UserActor actor,
        final int group
    ) {
        this.client = client;
        this.actor = actor;
        this.group = group;
    }

    @Override
    @Cacheable(
        lifetime = 1,
        unit = TimeUnit.MINUTES
    )
    public String audios() throws ClientException, ApiException {
        return this.client
            .audio()
            .getUploadServer(
                this.actor
            )
            .execute()
            .getUploadUrl();
    }

    @Override
    @Cacheable(
        lifetime = 1,
        unit = TimeUnit.MINUTES
    )
    public String docs() throws ClientException, ApiException {
        return this.client
            .docs()
            .getWallUploadServer(
                this.actor
            )
            .groupId(
                this.group
            )
            .execute()
            .getUploadUrl();
    }

    @Override
    @Cacheable(
        lifetime = 1,
        unit = TimeUnit.MINUTES
    )
    public String wallPhoto() throws ClientException, ApiException {
        return this.client.photos()
            .getWallUploadServer(
                this.actor
            )
            .groupId(
                this.group
            )
            .execute()
            .getUploadUrl();
    }

}