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GeekingwithMauri/TrackingEngine 0.1.3
Tracking wrapper to preserve your codebase dependency free from 3rd-party vendors.
⭐️ 1
🕓 2 weeks ago
iOS
.package(url: "https://github.com/GeekingwithMauri/TrackingEngine.git", from: "0.1.3")

TrackingEngine

Rationale

Ideally, we want to have our code completely dependency-free and preserve control over its entire functioning. In the real world, we know this is unrealistic since it would imply reinventing the wheel over and over.

TrackingEngine centralizes the tracking SDKs and exposes them via facades.

What's the point?

Contracts expire, SDKs get deprecated and fees rises. These, just to mention a few, are valid reasons to change tracking vendors.

This is rather hard when our codebases are littered with direct SDKs implementations. TrackingEngine makes such processes painless by making their consumption behind a facade. This is why, whatever happens under the hood shall not concern our Tracking clients apps.

Installation

Xcode 13

  1. From the File menu, Add Packages….
  2. Enter package repository URL: https://github.com/GeekingwithMauri/TrackingEngine
  3. Confirm the version and let Xcode resolve the package

Swift Package Manager

If you want to use TrackingEngine in any other project that uses SwiftPM, add the package as a dependency in Package.swift:

dependencies: [
  .package(
    url: "https://github.com/GeekingwithMauri/TrackingEngine",
    from: "0.1.0"
  ),
]

Example of usage

// A recommended place to put it is on the application(_:didFinishLaunchingWithOptions:)` due to some vendor's inner workings (such as Firebase init swizzling)
func application(_ application: UIApplication,
                     didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
    ...
    // This is done before any logging occurs. 
    TrackingEngineFacade.setup()
    return true
}


// Tracking an event
TrackingEngineFacade.log(eventName: "view_appeared", parameters: ["type": "home"])

Good practices recommendations

“All problems in computer science can be solved by another level of indirection." - David Wheeler

And the end of the day, this is also a 3rd party dependency so it's recommended to limit its own spreading.

In order to prevent the spread of import TrackingEngine and direct TrackingEngineFacade.log all over the place, it's highly advisable to centralize its usage within a thin wrapper as follows 👇🏽

import TrackingEngine

protocol TrackingLoggable {
    /// Tracks user's events via the `TrackingEngineFacade`
    /// - Parameters:
    ///   - eventName: event name to be tracked. I.e. _view_appeared_, _button_tapped_ and so forth
    ///   - parameters: The dictionary of event parameters. Passing `nil` indicates that the event has no parameters.
    func track(eventName: String, parameters: [String: Any]?)
}

struct Tracker: TrackingLoggable {
    func track(eventName: String, parameters: [String : Any]?) {
        TrackingEngineFacade.log(eventName: eventName, parameters: parameters)
    }
}

Testing

The above recommendation makes the library self contained. It also opens the door for testing, by simply replacing the real implementation with a TrackingLoggable with a Spy.

Check out the example of how said testing could occur.

Current limitations

  • For the time being, this only supports Firebase.
  • GoogleService-Info must be included in the main project

GitHub

link
Stars: 1
Last commit: 2 weeks ago
jonrohan Something's broken? Yell at me @ptrpavlik. Praise and feedback (and money) is also welcome.

Release Notes

0.1.3
2 weeks ago

What's Changed

New Contributors

Full Changelog: https://github.com/GeekingwithMauri/TrackingEngine/compare/0.1.2...0.1.3

Swiftpack is being maintained by Petr Pavlik | @ptrpavlik | @swiftpackco | API | Analytics