Adding currentUploaders and isUploading to Client so SDK users can obtain the uploaders currently (e.g. to cancel or query progress.)

Author: Ruben Nine

Sources/FilestackSDK/Internal/Config.swift

@@ -8,7 +8,13 @@
 
 import Foundation
 
-struct Config {
+class Config {
     let apiKey: String
     let security: Security?
+    var currentUploaders: [Uploader] = []
+
+    init(apiKey: String, security: Security? = nil) {
+        self.apiKey = apiKey
+        self.security = security
+    }
 }

Sources/FilestackSDK/Internal/Uploaders/MultipartUpload.swift

@@ -122,6 +122,7 @@ private extension MultipartUpload {
     func upload() {
         guard let uploadables = uploadables else { return }
 
+        config.currentUploaders.append(self)
         state = .inProgress
 
         var results: [JSONResponse] = []
@@ -189,6 +190,8 @@ private extension MultipartUpload {
             state = .completed
         }
 
+        config.currentUploaders.removeAll { $0 == self }
+
         queue.async {
             self.completionHandler?(results)
             self.completionHandler = nil

Sources/FilestackSDK/Public/Models/Client.swift

@@ -46,6 +46,12 @@ public extension Client {
 
     /// A `Security` object. `nil` by default.
     @objc var security: Security? { config.security }
+
+    /// Returns an array containing the `Uploader` instances currently running.
+    @objc var currentUploaders: [Uploader] { config.currentUploaders }
+
+    /// Returns whether there's at least a single `Uploader` instance currently running.
+    @objc var isUploading: Bool { config.currentUploaders.count > 0 }
 }
 
 // MARK: - Public Functions