Code for the Medium article: "Customizing WorkManager"

UpvoteStoryWorker.kt

/* Copyright 2020 Google LLC.	
   SPDX-License-Identifier: Apache-2.0 */
class UpvoteStoryWorker(
  appContext: Context, 
  workerParams: WorkerParameters, 
  private val service: UpvoteStoryHttpApi) 
    : CoroutineWorker(appContext, workerParams) {

    override suspend fun doWork(): Result {

        return try {
            // Upvote story
            Result.success()
        } catch (e: Exception) {
            if (runAttemptCount < MAX_NUMBER_OF_RETRY) {
                Result.retry()
            } else {
                Result.failure()
            }
        }
    }
}