com.hubspot.slack.client.methods.params.channels.AbstractChannelsHistoryParams Maven / Gradle / Ivy

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package com.hubspot.slack.client.methods.params.channels;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.PropertyNamingStrategies.SnakeCaseStrategy;
import com.fasterxml.jackson.databind.annotation.JsonNaming;
import com.google.common.base.Preconditions;
import com.hubspot.immutables.style.HubSpotStyle;
import com.hubspot.slack.client.methods.TimeIntervalFilter;
import com.hubspot.slack.client.methods.interceptor.HasChannel;
import java.util.Optional;
import org.immutables.value.Value.Check;
import org.immutables.value.Value.Immutable;

@Immutable
@HubSpotStyle
@JsonNaming(SnakeCaseStrategy.class)
public abstract class AbstractChannelsHistoryParams
  implements HasChannel, TimeIntervalFilter {

  @JsonProperty("channel")
  public abstract String getChannelId();

  public abstract Optional getCount();

  @JsonProperty("is_inclusive")
  public abstract Optional isInclusive();

  @JsonProperty("unreads")
  public abstract Optional shouldIncludeUnreads();

  @Check
  public void validate() {
    Optional inclusive = isInclusive();
    Optional count = getCount();

    boolean setToInclusive = inclusive.isPresent() && inclusive.get();
    boolean countIs1 = count.isPresent() && count.get() == 1;

    Preconditions.checkState(
      !setToInclusive || (setToInclusive && countIs1),
      "Because slack uses doubles as type to page on, we can't guarantee a message will show up exactly once and that we'll present every message if you try to page inclusively over a set of messages. To get around this, ensure you're not setting inclusive, and that you fetch messages within the range you want by bumping the bounds (and filtering the messages you get back)."
    );
  }
}