61 lines
2.1 KiB
Swift
61 lines
2.1 KiB
Swift
//
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// NotificationGroup.swift
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// Pachyderm
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//
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// Created by Shadowfacts on 9/5/19.
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// Copyright © 2019 Shadowfacts. All rights reserved.
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//
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import Foundation
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public class NotificationGroup: Identifiable, Hashable {
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public let notifications: [Notification]
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public let id: String
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public let kind: Notification.Kind
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public let statusState: StatusState?
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init?(notifications: [Notification]) {
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guard !notifications.isEmpty else { return nil }
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self.notifications = notifications
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self.id = notifications.first!.id
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self.kind = notifications.first!.kind
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if kind == .mention {
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self.statusState = .unknown
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} else {
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self.statusState = nil
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}
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}
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public static func ==(lhs: NotificationGroup, rhs: NotificationGroup) -> Bool {
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return lhs.id == rhs.id
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}
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public func hash(into hasher: inout Hasher) {
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hasher.combine(id)
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}
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public static func createGroups(notifications: [Notification], only allowedTypes: [Notification.Kind]) -> [NotificationGroup] {
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var groups = [[Notification]]()
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for notification in notifications {
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if allowedTypes.contains(notification.kind) {
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if let lastGroup = groups.last, let firstNotification = lastGroup.first, firstNotification.kind == notification.kind, firstNotification.status?.id == notification.status?.id {
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groups[groups.count - 1].append(notification)
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continue
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} else if groups.count >= 2 {
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let secondToLastGroup = groups[groups.count - 2]
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if allowedTypes.contains(groups[groups.count - 1][0].kind), let firstNotification = secondToLastGroup.first, firstNotification.kind == notification.kind, firstNotification.status?.id == notification.status?.id {
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groups[groups.count - 2].append(notification)
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continue
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}
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}
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}
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groups.append([notification])
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}
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return groups.map {
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NotificationGroup(notifications: $0)!
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}
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}
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}
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