gistfile1.swift

    func postStatus(_ composedStatus: ComposedStatus) async throws -> APIStatus {
        let instance = try await currentInstance()
        
        let url = instance.instanceURL.appending(path: "/api/v1/statuses")
        var urlRequest = URLRequest(url: url)
        urlRequest.httpMethod = "POST"
        urlRequest.setValue("application/json", forHTTPHeaderField: "Content-Type")
        
        var statusPost = EncodableStatus()
        statusPost.status = composedStatus.content.text
        if let attachments = composedStatus.content.attachments {
            statusPost.media_ids = try await uploadImages(attachments).map(\.id)
        }
        statusPost.in_reply_to_id = composedStatus.inReplyToID
        
        let data = try JSONEncoder().encode(statusPost)
        urlRequest.httpBody = data

        try await addAccessToken(url: &urlRequest)
        
        var request = NetworkRequest<APIStatus>(identifier: "Post Status-\(composedStatus.idempotencyKey.uuidString)", urlRequest: urlRequest)
        
        request.parser = parser()
        request.displayLabel = "Post Status: \(composedStatus.idempotencyKey.uuidString.prefix(6))"
        let result = try await execute(request)
        return result
    }
    
    func uploadImages(_ images: [ComposedAttachment]) async throws -> [APIMediaAttachment] {
        try await withThrowingTaskGroup(of: APIMediaAttachment.self, body: { group in
            var allAttachments: [APIMediaAttachment] = []
            for image in images {
                group.addTask {
                    try await self.uploadImageData(image.data, mimeType: image.mime)
                }
            }
            for try await attachment in group {
                allAttachments.append(attachment)
            }
            return allAttachments
        })
    }
    
    func uploadImageData(_ data: Data, mimeType: String = "image/jpeg") async throws -> APIMediaAttachment {
        let instance = try await currentInstance()
        let url = instance.instanceURL.appending(path: "/api/v2/media")
        let boundary = "Boundary-\(UUID().uuidString)"

        var urlRequest = URLRequest(url: url)
        urlRequest.httpMethod = "POST"
        urlRequest.setValue("multipart/form-data; boundary=\(boundary)", forHTTPHeaderField: "Content-Type")
        
        var bodyData = Data()
        bodyData.append("--\(boundary)\r\n".data(using: .utf8)!)
        bodyData.append("Content-Disposition: form-data; name=\"file\"; filename=\"img.jpg\"\r\n".data(using: .utf8)!)
        bodyData.append("Content-Type: \(mimeType)\r\n\r\n".data(using: .utf8)!)
        bodyData.append(data)
        bodyData.append("\r\n".data(using: .utf8)!)
        bodyData.append("--\(boundary)--".data(using: .utf8)!)
        
        urlRequest.httpBody = bodyData
        
        try await addAccessToken(url: &urlRequest)
        
        var request = NetworkRequest<APIMediaAttachment>(identifier: "Upload image-\(boundary)", urlRequest: urlRequest)
        request.parser = parser()
        request.displayLabel = "Upload image: \(boundary.suffix(6))"
        let result = try await execute(request)
        return result
    }