Implement UpdateBetaGroupOperation, add update and delete service func

Author: DechengMa

Sources/AppStoreConnectCLI/Services/AppStoreConnectService.swift

@@ -526,10 +526,15 @@ class AppStoreConnectService {
     }
 
     func updateBetaGroup(betaGroup: Model.BetaGroup) throws {
-        // TODO
-//        _ = try UpdateBetaGroupOperation(options: .init(betaGroup: betaGroup))
-//            .execute(with: requestor)
-//            .await()
+        _ = try UpdateBetaGroupOperation(options: .init(betaGroup: betaGroup))
+            .execute(with: requestor)
+            .await()
+    }
+
+    func deleteBetaGroup(with id: String) throws {
+        try DeleteBetaGroupOperation(options: .init(betaGroupId: id))
+            .execute(with: requestor)
+            .await()
     }
 
     func readBuild(bundleId: String, buildNumber: String, preReleaseVersion: String) throws -> Model.Build {

Sources/AppStoreConnectCLI/Services/Operations/UpdateBetaGroupOperation.swift

@@ -0,0 +1,34 @@
+// Copyright 2020 Itty Bitty Apps Pty Ltd
+
+import AppStoreConnect_Swift_SDK
+import Combine
+import Foundation
+import struct Model.BetaGroup
+
+struct UpdateBetaGroupOperation: APIOperation {
+
+    struct Options {
+        let betaGroup: BetaGroup
+    }
+
+    private let options: Options
+
+    init(options: Options) {
+        self.options = options
+    }
+
+    func execute(with requestor: EndpointRequestor) throws -> AnyPublisher<BetaGroupResponse, Error> {
+        let betaGroup = options.betaGroup
+
+        let endpoint = APIEndpoint.modify(
+            betaGroupWithId: betaGroup.id!,
+            name: betaGroup.groupName,
+            publicLinkEnabled: betaGroup.publicLinkEnabled,
+            publicLinkLimit: betaGroup.publicLinkLimit,
+            publicLinkLimitEnabled: betaGroup.publicLinkLimitEnabled
+        )
+
+        return requestor.request(endpoint).eraseToAnyPublisher()
+    }
+
+}