Fix add multiple contacts

Author: petrpavlik

Sources/IndiePitcherSwift/IndiePitcherSwift.swift

@@ -129,7 +129,12 @@ public struct IndiePitcher: Sendable {
     /// - Parameter contacts: Contact properties
     /// - Returns: A generic empty response.
     @discardableResult public func addContacts(contacts: [CreateContact]) async throws -> EmptyResposne {
-        try await post(path: "/contacts/create_many", body: contacts)
+        
+        struct Payload: Codable {
+            let contacts: [CreateContact]
+        }
+        
+        return try await post(path: "/contacts/create_many", body: Payload(contacts: contacts))
     }
 
     /// Updates a contact with given email address. This call will fail if a contact with provided email does not exist, use `addContact` instead in such case.

Tests/IndiePitcherSwiftTests/IndiePitcherSwiftTests.swift

@@ -24,31 +24,31 @@ final class IndiePitcherSwiftTests: XCTestCase {
 
     func testSendTransactionalEmailMarkdown() async throws {
 
-        try await indiePitcher.sendEmail(data: .init(to: "petr@indiepitcher.com",
+        try await indiePitcher.sendEmail(data: .init(to: "petr@example.com",
                                            subject: "Test email from IP Swift SDK unit tests",
                                            body: "This is a test body that supports **markdown**.",
                                            bodyFormat: .markdown))
     }
 
     func testGetMailingLists() async throws {
         let listsResponse = try await indiePitcher.listMailingLists()
-        expect(listsResponse.metadata.total) == 2
-        expect(listsResponse.data.count) == 2
+        expect(listsResponse.metadata.total) == 3
+        expect(listsResponse.data.count) == 3
     }
 
     func testSendMarketingEmailToList() async throws {
         try await indiePitcher.sendEmailToMailingList(data: .init(subject: "Test marketing email from IP Swift SDK unit tests",
                                                         body: "This is a test body of a marketing email that supports **markdown**.",
                                                         bodyFormat: .markdown,
-                                                        list: "test_list_1"))
+                                                        list: "integration-tests"))
     }
 
     func testSendEmailToContact() async throws {
-        try await indiePitcher.sendEmailToContact(data: .init(contactEmail: "petr@indiepitcher.com",
+        try await indiePitcher.sendEmailToContact(data: .init(contactEmail: "petr@example.com",
                                                               subject: "Test personalized contact email from IP Swift SDK unit tests",
                                                               body: "This is a test body of a personalized transactional email that supports **markdown**.",
                                                               bodyFormat: .markdown,
-                                                              list: "test_list_1",
+                                                              list: "integration-tests",
                                                               delaySeconds: 60))
     }
 
@@ -60,6 +60,13 @@ final class IndiePitcherSwiftTests: XCTestCase {
         try await indiePitcher.deleteContact(email: email)
     }
 
+    func testAddMultipleContacts() async throws {
+        
+        try await indiePitcher.addContacts(contacts: [.init(email: "[email protected]"), .init(email: "[email protected]")])
+        try await indiePitcher.deleteContact(email: "[email protected]")
+        try await indiePitcher.deleteContact(email: "[email protected]")
+    }
+    
     func testCreatePortalSession() async throws {
         _ = try await indiePitcher.createMailingListsPortalSession(contactEmail: "[email protected]", returnURL: .init(string: "https://indiepitcher.com")!)
     }