func upload()

in Sources/Confidence/EventSenderEngine.swift [92:123]
31 lines of code
6 McCabe index (conditional complexity)

    func upload() async {
        await withSemaphore { [weak self] in
            guard let self = self else { return }
            do {
                try self.storage.startNewBatch()
                let ids = try storage.batchReadyIds()
                if ids.isEmpty {
                    return
                }
                for id in ids {
                    let events: [NetworkEvent] = try self.storage.eventsFrom(id: id)
                        .compactMap { event in
                            return NetworkEvent(
                                eventDefinition: event.name,
                                payload: NetworkStruct(fields: TypeMapper.convert(structure: event.payload).fields),
                                eventTime: Date.backport.toISOString(date: event.eventTime))
                        }
                    var shouldCleanup = false
                    if events.isEmpty {
                        shouldCleanup = true
                    } else {
                        shouldCleanup = try await self.uploader.upload(events: events)
                    }

                    if shouldCleanup {
                        try storage.remove(id: id)
                    }
                }
            } catch {
            }
        }
    }