50 lines
1.7 KiB
Swift
50 lines
1.7 KiB
Swift
import Foundation
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import Combine
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import Libcore
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public class ActiveGroupsEventHandler: NSObject, FlutterPlugin, FlutterStreamHandler {
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static let name = "\(Bundle.main.serviceIdentifier)/active-groups"
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private var commandClient: CommandClient?
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private var channel: FlutterEventChannel?
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private var events: FlutterEventSink?
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private var cancellable: AnyCancellable?
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public static func register(with registrar: FlutterPluginRegistrar) {
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let instance = ActiveGroupsEventHandler()
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instance.channel = FlutterEventChannel(name: Self.name,
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binaryMessenger: registrar.messenger())
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instance.channel?.setStreamHandler(instance)
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}
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public func onListen(withArguments arguments: Any?, eventSink events: @escaping FlutterEventSink) -> FlutterError? {
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FileManager.default.changeCurrentDirectoryPath(FilePath.sharedDirectory.path)
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self.events = events
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commandClient = CommandClient(.groupsInfoOnly)
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commandClient?.connect()
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cancellable = commandClient?.$groups.sink{ [self] sbGroups in
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self.writeGroups(sbGroups)
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}
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return nil
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}
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public func onCancel(withArguments arguments: Any?) -> FlutterError? {
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commandClient?.disconnect()
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cancellable?.cancel()
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events = nil
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return nil
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}
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func writeGroups(_ sbGroups: [SBGroup]?) {
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guard let sbGroups else {return}
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if
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let groups = try? JSONEncoder().encode(sbGroups),
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let groups = String(data: groups, encoding: .utf8)
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{
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DispatchQueue.main.async { [events = self.events, groups] () in
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events?(groups)
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}
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}
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}
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}
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