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Isolate pending interaction logic in separate model
Introduce 'PendingInteraction' model to determine pending interaction for SC 2.0. MOB-3850
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79 changes: 79 additions & 0 deletions
79
GliaWidgets/SecureConversations/SecureConversations.PendingInteraction.swift
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Original file line number | Diff line number | Diff line change |
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import Combine | ||
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extension SecureConversations { | ||
final class PendingInteraction: ObservableObject { | ||
@Published private(set) var pendingStatus = false | ||
@Published private(set) var unreadMessageCount = 0 | ||
@Published private(set) var hasPendingInteraction = false | ||
private let environment: Environment | ||
private(set) var pendingStatusCancellationToken: String? | ||
private(set) var unreadMessageCountCancellationToken: String? | ||
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init(environment: Environment) { | ||
self.environment = environment | ||
self.pendingStatusCancellationToken = environment.observePendingSecureConversationsStatus { [weak self] result in | ||
guard let self else { return } | ||
// At this point it is enough to know if there is a pending conversation, | ||
// so no need to handle error. | ||
pendingStatus = (try? result.get()) ?? false | ||
} | ||
self.unreadMessageCountCancellationToken = environment.observeSecureConversationsUnreadMessageCount { [weak self] result in | ||
guard let self else { return } | ||
// At this point it is enough to know if there is an unread message count, | ||
// so no need to handle error. | ||
unreadMessageCount = (try? result.get()) ?? 0 | ||
} | ||
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$pendingStatus.combineLatest($unreadMessageCount) | ||
.map { hasPending, unreadCount in | ||
hasPending || unreadCount > 0 | ||
} | ||
.assign(to: &$hasPendingInteraction) | ||
} | ||
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deinit { | ||
if let unreadMessageCountCancellationToken { | ||
environment.unsubscribeFromUnreadCount(unreadMessageCountCancellationToken) | ||
} | ||
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if let pendingStatusCancellationToken { | ||
environment.unsubscribeFromPendingStatus(pendingStatusCancellationToken) | ||
} | ||
} | ||
} | ||
} | ||
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extension SecureConversations.PendingInteraction { | ||
struct Environment { | ||
var observePendingSecureConversationsStatus: CoreSdkClient.ObservePendingSecureConversationStatus | ||
var observeSecureConversationsUnreadMessageCount: CoreSdkClient.SubscribeForUnreadSCMessageCount | ||
var unsubscribeFromUnreadCount: CoreSdkClient.UnsubscribeFromUnreadCount | ||
var unsubscribeFromPendingStatus: CoreSdkClient.UnsubscribeFromPendingSCStatus | ||
} | ||
} | ||
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extension SecureConversations.PendingInteraction.Environment { | ||
init(with client: CoreSdkClient) { | ||
self.observePendingSecureConversationsStatus = client.observePendingSecureConversationStatus | ||
self.observeSecureConversationsUnreadMessageCount = client.subscribeForUnreadSCMessageCount | ||
self.unsubscribeFromPendingStatus = client.unsubscribeFromPendingSecureConversationStatus | ||
self.unsubscribeFromUnreadCount = client.unsubscribeFromUnreadCount | ||
} | ||
} | ||
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#if DEBUG | ||
extension SecureConversations.PendingInteraction.Environment { | ||
static let mock = Self( | ||
observePendingSecureConversationsStatus: { _ in nil }, | ||
observeSecureConversationsUnreadMessageCount: { _ in nil }, | ||
unsubscribeFromUnreadCount: { _ in }, | ||
unsubscribeFromPendingStatus: { _ in } | ||
) | ||
} | ||
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extension SecureConversations.PendingInteraction { | ||
static func mock(environment: Environment = .mock) -> Self { | ||
.init(environment: environment) | ||
} | ||
} | ||
#endif |
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