it.auties.whatsapp.model.info.MessageIndexInfo Maven / Gradle / Ivy

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package it.auties.whatsapp.model.info;

import com.fasterxml.jackson.core.type.TypeReference;
import it.auties.whatsapp.model.jid.Jid;
import it.auties.whatsapp.util.Json;

import java.util.List;
import java.util.NoSuchElementException;
import java.util.Optional;

/**
 * An index that contains data about a setting change or an action
 *
 * @param type      the type of the change
 * @param chatJid   the chat where the change happened
 * @param messageId the nullable id of the message regarding the chane
 * @param fromMe    whether the change regards yourself
 */
public record MessageIndexInfo(String type, Optional chatJid, Optional messageId,
                               boolean fromMe) implements Info {
    /**
     * Constructs a new message index info
     *
     * @param type      the type of the change
     * @param chatJid   the chat where the change happened
     * @param messageId the nullable id of the message regarding the chane
     * @param fromMe    whether the change regards yourself
     * @return a non-null message index info
     */
    public static MessageIndexInfo of(String type, Jid chatJid, String messageId, boolean fromMe) {
        return new MessageIndexInfo(type, Optional.ofNullable(chatJid), Optional.ofNullable(messageId), fromMe);
    }

    /**
     * Constructs a new index info from a json string
     *
     * @param json the non-null json string
     * @return a non-null index info
     */
    public static MessageIndexInfo ofJson(String json) {
        var array = Json.readValue(json, new TypeReference>() {
        });
        var type = getProperty(array, 0).orElseThrow(() -> new NoSuchElementException("Cannot parse MessageSync: missing type"));
        var chatJid = getProperty(array, 1).map(Jid::of);
        var messageId = getProperty(array, 2);
        var fromMe = getProperty(array, 3).map(Boolean::parseBoolean).orElse(false);
        return new MessageIndexInfo(type, chatJid, messageId, fromMe);
    }

    private static Optional getProperty(List list, int index) {
        return list.size() > index ? Optional.ofNullable(list.get(index)) : Optional.empty();
    }
}