49 lines
2.0 KiB
Kotlin
49 lines
2.0 KiB
Kotlin
package org.thoughtcrime.securesms.groups
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import android.content.Context
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import androidx.annotation.WorkerThread
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import org.greenrobot.eventbus.EventBus
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import org.session.libsession.messaging.open_groups.OpenGroupAPIV2
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import org.session.libsession.utilities.GroupUtil
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import org.session.libsession.utilities.recipients.Recipient
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import org.thoughtcrime.securesms.dependencies.DatabaseComponent
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import java.util.*
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//TODO Refactor so methods declare specific type of checked exceptions and not generalized Exception.
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object OpenGroupUtilities {
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private const val TAG = "OpenGroupUtilities"
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/**
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* Pulls the general public chat data from the server and updates related records.
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* Fires [GroupInfoUpdatedEvent] on [EventBus] upon success.
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*
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* Consider using [org.thoughtcrime.securesms.loki.api.PublicChatInfoUpdateWorker] for lazy approach.
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*/
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@JvmStatic
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@WorkerThread
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@Throws(Exception::class)
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fun updateGroupInfo(context: Context, server: String, room: String) {
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val groupId = GroupUtil.getEncodedOpenGroupID("$server.$room".toByteArray())
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if (!DatabaseComponent.get(context).groupDatabase().hasGroup(groupId)) {
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throw IllegalStateException("Attempt to update open group info for non-existent DB record: $groupId")
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}
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val info = OpenGroupAPIV2.getInfo(room, server).get() // store info again?
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OpenGroupAPIV2.getMemberCount(room, server).get()
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EventBus.getDefault().post(GroupInfoUpdatedEvent(server, room = room))
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}
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/**
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* Return a generated name for users in the style of `$name (...$hex.takeLast(8))` for public groups
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*/
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@JvmStatic
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fun getDisplayName(recipient: Recipient): String {
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return String.format(Locale.ROOT, PUBLIC_GROUP_STRING_FORMAT, recipient.name, recipient.address.serialize().takeLast(8))
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}
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const val PUBLIC_GROUP_STRING_FORMAT = "%s (...%s)"
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data class GroupInfoUpdatedEvent(val url: String, val channel: Long = -1, val room: String = "")
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} |