Support for Vapor Backend

Hi, I'd love to see official support for Vapor for the TD SDK. I've created some wrappers to integrate with Application and Request, but looks like there's a compile issue when I try to deploy to Linux:

[97/926] Compiling TelemetryDeck CryptoHashing.swift
/tmp/build_5ea4ecc3/Backend/Bloom-Backend/.build/checkouts/SwiftSDK/Sources/TelemetryDeck/Helpers/CryptoHashing.swift:4:8: error: no such module 'CommonCrypto'
 2 | import CryptoKit
 3 | #endif
 4 | import CommonCrypto
   |        `- error: no such module 'CommonCrypto'
 5 | import Foundation
 6 |

Here's the wrappers I've created in case you want to pick this up:

// Application+TelemetryDeck.swift

import TelemetryDeck
import Vapor

extension Application {
    var telemetryDeck: TelemetryWrapper {
        TelemetryWrapper(app: self)
    }

    struct TelemetryWrapper {
        private let app: Application

        init(app: Application) {
            self.app = app
        }
    }
}

extension Application.TelemetryWrapper {

    func initialize(appID: String) {
        var config = TelemetryDeck.Config(appID: appID)
        config.testMode = !app.environment.isRelease
        TelemetryDeck.initialize(config: config)
    }

    func signal(
        _ signalName: String,
        parameters: [String: String] = [:],
        floatValue: Double? = nil,
        customUserID: String? = nil
    ) {
        TelemetryDeck.signal(
            signalName,
            parameters: parameters,
            floatValue: floatValue,
            customUserID: customUserID
        )
    }

    func errorOccurred(
        id: String,
        category: ErrorCategory? = nil,
        message: String? = nil,
        parameters: [String: String] = [:],
        floatValue: Double? = nil,
        customUserID: String? = nil
    ) {
        TelemetryDeck.errorOccurred(
            id: id,
            category: category,
            message: message,
            parameters: parameters,
            floatValue: floatValue,
            customUserID: customUserID
        )
    }

    func errorOccurred(
        identifiableError: IdentifiableError,
        category: ErrorCategory = .thrownException,
        message: String? = nil,
        parameters: [String: String] = [:],
        floatValue: Double? = nil,
        customUserID: String? = nil
    ) {
        TelemetryDeck.errorOccurred(
            identifiableError: identifiableError,
            category: category,
            message: message,
            parameters: parameters,
            floatValue: floatValue,
            customUserID: customUserID
        )
    }
}

// Request+TelemetryDeck.swift

import TelemetryDeck
import Vapor

extension Request {
    var telemetryDeck: TelemetryWrapper {
        TelemetryWrapper(app: application, request: self)
    }

    struct TelemetryWrapper {
        private let app: Application
        private let request: Request

        init(app: Application, request: Request) {
            self.app = app
            self.request = request
        }
    }
}

extension Request.TelemetryWrapper {

    func signal(
        _ signalName: String,
        parameters: [String: String] = [:],
        floatValue: Double? = nil
    ) {
        TelemetryDeck.signal(
            signalName,
            parameters: parameters,
            floatValue: floatValue,
            customUserID: userIdentifier
        )
    }

    func errorOccurred(
        id: String,
        category: ErrorCategory? = nil,
        message: String? = nil,
        parameters: [String: String] = [:],
        floatValue: Double? = nil
    ) {
        TelemetryDeck.errorOccurred(
            id: id,
            category: category,
            message: message,
            parameters: parameters,
            floatValue: floatValue,
            customUserID: userIdentifier
        )
    }

    func errorOccurred(
        identifiableError: IdentifiableError,
        category: ErrorCategory = .thrownException,
        message: String? = nil,
        parameters: [String: String] = [:],
        floatValue: Double? = nil
    ) {
        TelemetryDeck.errorOccurred(
            identifiableError: identifiableError,
            category: category,
            message: message,
            parameters: parameters,
            floatValue: floatValue,
            customUserID: userIdentifier
        )
    }
}

private extension Request.TelemetryWrapper {

    var userIdentifier: String? {
        request.headers.first(name: .xForwardedFor)?.components(separatedBy: ",").first ?? request.remoteAddress?.description
    }
}

TelemetryDeck / Issues

Support for Vapor Backend #480