com.pubnub.internal.v2.entities.BaseChannelGroupImpl.kt Maven / Gradle / Ivy

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PubNub is a cross-platform client-to-client (1:1 and 1:many) push service in the cloud, capable of broadcasting real-time messages to millions of web and mobile clients simultaneously, in less than a quarter second!

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package com.pubnub.internal.v2.entities

import com.pubnub.api.v2.callbacks.BaseEventListener
import com.pubnub.api.v2.entities.BaseChannelGroup
import com.pubnub.api.v2.subscriptions.BaseSubscription
import com.pubnub.api.v2.subscriptions.ReceivePresenceEventsImpl
import com.pubnub.api.v2.subscriptions.SubscriptionOptions
import com.pubnub.internal.PubNubCore
import com.pubnub.internal.SubscriptionFactory
import com.pubnub.internal.subscribe.PRESENCE_CHANNEL_SUFFIX

open class BaseChannelGroupImpl>(
    internal val pubNub: PubNubCore,
    private val channelGroupName: ChannelGroupName,
    private val subscriptionFactory: SubscriptionFactory_{,
) : BaseChannelGroup {
    override val name: String = channelGroupName.id

    override fun subscription(options: SubscriptionOptions): Sub {
        val channelGroups =
            buildSet {
                add(channelGroupName)
                if (options.allOptions.filterIsInstance().isNotEmpty()) {
                    add(channelGroupName.withPresence)
                }
            }
        return subscriptionFactory(
            emptySet(),
            channelGroups,
            SubscriptionOptions.filter { result ->
                channelGroups.any { it.id == result.subscription }
            } + options,
        )
    }

    override fun equals(other: Any?): Boolean {
        if (this === other) {
            return true
        }
        if (other !is BaseChannelGroupImpl<*, *>) {
            return false
        }

        if (pubNub != other.pubNub) {
            return false
        }
        if (name != other.name) {
            return false
        }

        return true
    }

    override fun hashCode(): Int {
        var result = pubNub.hashCode()
        result = 31 * result + name.hashCode()
        return result
    }
}

@JvmInline
value class ChannelGroupName(val id: String) {
    val withPresence get() = ChannelGroupName("${this.id}$PRESENCE_CHANNEL_SUFFIX")
    val isPresence get() = id.endsWith(PRESENCE_CHANNEL_SUFFIX)
}}