Native Background Uploads

apps/mobile/modules/@launch/react-native-file-uploader/
├── ios/
│   └── LaunchReactNativeFileUploaderModule.swift
├── android/
│   └── src/main/java/.../LaunchReactNativeFileUploaderModule.kt
├── src/
│   ├── LaunchReactNativeFileUploaderModule.ts
│   └── LaunchReactNativeFileUploader.types.ts
└── index.ts

private func setupBackgroundSession() {
  let config = URLSessionConfiguration.background(
    withIdentifier: "com.launch.fileuploader.background"
  )

  config.isDiscretionary = false
  config.sessionSendsLaunchEvents = true
  config.shouldUseExtendedBackgroundIdleMode = true
  config.timeoutIntervalForResource = 60 * 60 * 24 // 24 hours

  backgroundSession = URLSession(
    configuration: config,
    delegate: self,
    delegateQueue: OperationQueue.main
  )
}

private fun performUpload(
  uploadId: String,
  fileUri: Uri,
  uploadUrl: String,
  contentType: String
) {
  uploadScope.launch {
    // Stream file with progress tracking
    val connection = URL(uploadUrl).openConnection() as HttpURLConnection
    connection.requestMethod = "PUT"
    connection.setRequestProperty("Content-Type", contentType)

    // Upload with progress updates
    inputStream.copyTo(outputStream) { bytesCopied ->
      val percentage = (bytesCopied * 100.0 / totalBytes)
      emitProgress(uploadId, bytesCopied, totalBytes, percentage)
    }
  }
}

import {
  startUpload,
  addUploadListener,
  cancelUpload,
} from "@/modules/@launch/react-native-file-uploader";

// Start upload
const result = await startUpload({
  uploadId: "unique-id",
  fileUri: "file:///path/to/file",
  uploadUrl: presignedUrl,
  contentType: "video/mp4",
});

// Listen for progress
const subscription = addUploadListener("onUploadProgress", (event) => {
  console.log(`${event.percentage}% uploaded`);
});

// Listen for completion
addUploadListener("onUploadComplete", (event) => {
  console.log("Upload complete!");
});

// Listen for errors
addUploadListener("onUploadError", (event) => {
  console.error("Upload failed:", event.error);
});

// Get status of specific upload
const status = getUploadStatus(uploadId);
// Returns: { uploadId, totalBytes, uploadedBytes, status, percentage }

// Get all active uploads
const active = getActiveUploads();
// Returns: Array of upload status objects

// Cancel specific upload
await cancelUpload(uploadId);

// Cancel all uploads
await cancelAllUploads();

interface PersistedUpload {
  uploadId: string;
  fileId: string;
  filename: string;
  totalBytes: number;
  startedAt: number;
  queueId: string;
}

console.log(`Native background upload started for ${file.name}`);