TelegramBots/telegrambots-meta/src/main/java/org/telegram/telegrambots/meta/api/methods/groupadministration/PromoteChatMember.java

package org.telegram.telegrambots.meta.api.methods.groupadministration;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.core.type.TypeReference;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import lombok.Setter;
import lombok.ToString;
import org.telegram.telegrambots.meta.api.methods.BotApiMethod;
import org.telegram.telegrambots.meta.api.objects.ApiResponse;
import org.telegram.telegrambots.meta.exceptions.TelegramApiRequestException;
import org.telegram.telegrambots.meta.exceptions.TelegramApiValidationException;

import java.io.IOException;

/**
 * @author Ruben Bermudez
 * @version 3.1
 * Use this method to promote or demote a user in a supergroup or a channel.
 * The bot must be an administrator in the chat for this to work and must have the appropriate admin rights.
 * Pass False for all boolean parameters to demote a user. Returns True on success.
 *
 */
@EqualsAndHashCode(callSuper = false)
@Getter
@Setter
@ToString
@RequiredArgsConstructor
@NoArgsConstructor
@AllArgsConstructor
@Builder
public class PromoteChatMember extends BotApiMethod<Boolean> {
    public static final String PATH = "promoteChatMember";

    private static final String CHATID_FIELD = "chat_id";
    private static final String USER_ID_FIELD = "user_id";
    private static final String CANCHANGEINFORMATION_FIELD = "can_change_info";
    private static final String CANPOSTMESSAGES_FIELD = "can_post_messages";
    private static final String CANEDITMESSAGES_FIELD = "can_edit_messages";
    private static final String CANDELETEMESSAGES_FIELD = "can_delete_messages";
    private static final String CANINVITEUSERS_FIELD = "can_invite_users";
    private static final String CANRESTRICTMEMBERS_FIELD = "can_restrict_members";
    private static final String CANPINMESSAGES_FIELD = "can_pin_messages";
    private static final String CANPROMOTEMEMBERS_FIELD = "can_promote_members";
    private static final String ISANONYMOUS_FIELD = "is_anonymous";

    @JsonProperty(CHATID_FIELD)
    @NonNull
    private String chatId; ///< Required. Unique identifier for the chat to send the message to (Or username for channels)
    @JsonProperty(USER_ID_FIELD)
    @NonNull
    private Integer userId; ///< Required. Unique identifier of the target user
    @JsonProperty(CANCHANGEINFORMATION_FIELD)
    private Boolean canChangeInformation; ///< Optional. Pass True, if the administrator can change chat title, photo and other settings
    @JsonProperty(CANPOSTMESSAGES_FIELD)
    private Boolean canPostMessages; ///< Optional. Pass True, if the administrator can create channel posts, channels only
    @JsonProperty(CANEDITMESSAGES_FIELD)
    private Boolean canEditMessages; ///< Optional. Pass True, if the administrator can edit messages of other users, channels only
    @JsonProperty(CANDELETEMESSAGES_FIELD)
    private Boolean canDeleteMessages; ///< Optional. Pass True, if the administrator can delete messages of other users
    @JsonProperty(CANINVITEUSERS_FIELD)
    private Boolean canInviteUsers; ///< Optional. Pass True, if the administrator can invite new users to the chat
    @JsonProperty(CANRESTRICTMEMBERS_FIELD)
    private Boolean canRestrictMembers; ///< Optional. Pass True, if the administrator can restrict, ban or unban chat members
    @JsonProperty(CANPINMESSAGES_FIELD)
    private Boolean canPinMessages; ///< Optional. Pass True, if the administrator can pin messages
    @JsonProperty(CANPROMOTEMEMBERS_FIELD)
    private Boolean canPromoteMembers; ///< Optional. Pass True, if the administrator can add new administrators with a subset of his own privileges or demote administrators that he has promoted, directly or indirectly (promoted by administators that were appointed by the him)
    @JsonProperty(ISANONYMOUS_FIELD)
    private Boolean isAnonymous; ///< Optional. Pass True, if the administrator's presence in the chat is hidden

    @Override
    public String getMethod() {
        return PATH;
    }

    @Override
    public Boolean deserializeResponse(String answer) throws TelegramApiRequestException {
        try {
            ApiResponse<Boolean> result = OBJECT_MAPPER.readValue(answer,
                    new TypeReference<ApiResponse<Boolean>>() {
                    });
            if (result.getOk()) {
                return result.getResult();
            } else {
                throw new TelegramApiRequestException("Error promoting chat member", result);
            }
        } catch (IOException e) {
            throw new TelegramApiRequestException("Unable to deserialize response", e);
        }
    }

    @Override
    public void validate() throws TelegramApiValidationException {
        if (chatId == null || chatId.isEmpty()) {
            throw new TelegramApiValidationException("ChatId can't be empty", this);
        }
        if (userId == null) {
            throw new TelegramApiValidationException("UserId can't be null", this);
        }
    }
}