Add new assistant methods

Sources/AISwiftAssist/APIs/AssistantsAPI.swift

@@ -36,6 +36,34 @@ public protocol IAssistantsAPI: AnyObject {
     /// - Parameter assistantId: The ID of the assistant to delete.
     /// - Returns: Deletion status
     func delete(by assistantId: String) async throws -> ASADeleteModelResponse
+
+    /// Create an assistant file by attaching a File to an assistant.
+    /// - Parameters:
+    ///   - assistantId: The ID of the assistant for which to create a File.
+    ///   - request: The request object containing the File ID.
+    /// - Returns: An assistant file object.
+    func createFile(for assistantId: String, with request: ASACreateAssistantFileRequest) async throws -> ASAAssistantFile
+
+    /// Retrieves an assistant file.
+    /// - Parameters:
+    ///   - assistantId: The ID of the assistant who the file belongs to.
+    ///   - fileId: The ID of the file to retrieve.
+    /// - Returns: The assistant file object matching the specified ID.
+    func retrieveFile(for assistantId: String, fileId: String) async throws -> ASAAssistantFile
+
+    /// Delete an assistant file.
+    /// - Parameters:
+    ///   - assistantId: The ID of the assistant that the file belongs to.
+    ///   - fileId: The ID of the file to delete.
+    /// - Returns: Deletion status.
+    func deleteFile(for assistantId: String, fileId: String) async throws -> ASADeleteModelResponse
+
+    /// Returns a list of assistant files.
+    /// - Parameters:
+    ///   - assistantId: The ID of the assistant the file belongs to.
+    ///   - parameters: Parameters for the list of assistant files.
+    /// - Returns: A list of assistant file objects.
+    func listFiles(for assistantId: String, with parameters: ASAListFilesParameters?) async throws -> ASAAssistantFilesListResponse
 }
 
 public final class AssistantsAPI: HTTPClient, IAssistantsAPI {
@@ -82,6 +110,25 @@ public final class AssistantsAPI: HTTPClient, IAssistantsAPI {
         let endpoint = AssistantEndpoint.deleteAssistant(assistantId)
         return try await sendRequest(session: urlSession, endpoint: endpoint, responseModel: ASADeleteModelResponse.self)
     }
+
+    public func createFile(for assistantId: String, with request: ASACreateAssistantFileRequest) async throws -> ASAAssistantFile {
+        let endpoint = AssistantEndpoint.createFile(assistantId, request)
+        return try await sendRequest(session: urlSession, endpoint: endpoint, responseModel: ASAAssistantFile.self)
+    }
+
+    public func retrieveFile(for assistantId: String, fileId: String) async throws -> ASAAssistantFile {
+        let endpoint = AssistantEndpoint.retrieveFile(assistantId, fileId)
+        return try await sendRequest(session: urlSession, endpoint: endpoint, responseModel: ASAAssistantFile.self)
+    }
 
+    public func deleteFile(for assistantId: String, fileId: String) async throws -> ASADeleteModelResponse {
+        let endpoint = AssistantEndpoint.deleteFile(assistantId, fileId)
+        return try await sendRequest(session: urlSession, endpoint: endpoint, responseModel: ASADeleteModelResponse.self)
+    }
+
+    public func listFiles(for assistantId: String, with parameters: ASAListFilesParameters? = nil) async throws -> ASAAssistantFilesListResponse {
+        let endpoint = AssistantEndpoint.listFiles(assistantId, parameters)
+        return try await sendRequest(session: urlSession, endpoint: endpoint, responseModel: ASAAssistantFilesListResponse.self)
+    }
 }
 

Sources/AISwiftAssist/Endpoints/AssistantEndpoint.swift

@@ -13,6 +13,10 @@ enum AssistantEndpoint {
     case retrieveAssistant(String)
     case modifyAssistant(String, ASAModifyAssistantRequest)
     case deleteAssistant(String)
+    case createFile(String, ASACreateAssistantFileRequest)
+    case retrieveFile(String, String)
+    case deleteFile(String, String)
+    case listFiles(String, ASAListFilesParameters?)
 }
 
 extension AssistantEndpoint: CustomEndpoint {
@@ -26,8 +30,9 @@ extension AssistantEndpoint: CustomEndpoint {
     public var queryItems: [URLQueryItem]? {
         var items: [URLQueryItem]?
         switch self {
-        case .createAssistant, .deleteAssistant, .retrieveAssistant, .modifyAssistant: items = nil
+        case .createAssistant, .deleteAssistant, .retrieveAssistant, .modifyAssistant, .createFile, .retrieveFile, .deleteFile: items = nil
         case .getAssistants(let params): items = Utils.createURLQueryItems(from: params)
+        case .listFiles(_, let params): items = Utils.createURLQueryItems(from: params)
         }
         return items
     }
@@ -38,6 +43,10 @@ extension AssistantEndpoint: CustomEndpoint {
         case .retrieveAssistant(let assistantId): return "assistants/\(assistantId)"
         case .modifyAssistant(let assistantId, _): return "assistants/\(assistantId)"
         case .deleteAssistant(let assistantId): return "assistants/\(assistantId)"
+        case .createFile(let assistantId, _): return "assistants/\(assistantId)/files"
+        case .retrieveFile(let assistantId, let fileId): return "assistants/\(assistantId)/files/\(fileId)"
+        case .deleteFile(let assistantId, let fileId): return "assistants/\(assistantId)/files/\(fileId)"
+        case .listFiles(let assistantId, _): return "assistants/\(assistantId)/files"
         }
     }
 
@@ -48,6 +57,10 @@ extension AssistantEndpoint: CustomEndpoint {
         case .retrieveAssistant: return .get
         case .modifyAssistant: return .post
         case .deleteAssistant: return .delete
+        case .createFile: return .post
+        case .retrieveFile: return .get
+        case .deleteFile: return .delete
+        case .listFiles: return .get
         }
     }
 
@@ -61,8 +74,8 @@ extension AssistantEndpoint: CustomEndpoint {
         switch self {
         case .createAssistant(let createAssistant): return .init(object: createAssistant)
         case .modifyAssistant(_, let request): return .init(object: request)
-        case .deleteAssistant, .retrieveAssistant, .getAssistants: return nil
-
+        case .createFile(_, let request): return .init(object: request)
+        case .deleteAssistant, .retrieveAssistant, .getAssistants, .retrieveFile, .deleteFile, .listFiles: return nil
         }
     }
 }

Sources/AISwiftAssist/Models/Main/ASAAssistantFile.swift

@@ -0,0 +1,27 @@
+//
+//  File.swift
+//  
+//
+//  Created by Alexey on 12/5/23.
+//
+
+import Foundation
+
+/// Represents an assistant file that can be used by the assistant.
+public struct ASAAssistantFile: Codable {
+    /// The identifier of the assistant file.
+    public let id: String
+
+    /// The object type, which is always 'assistant.file'.
+    public let objectType: String
+
+    /// The Unix timestamp (in seconds) for when the assistant file was created.
+    public let createdAt: Int
+
+    /// The identifier of the assistant to which this file belongs.
+    public let assistantId: String
+
+    enum CodingKeys: String, CodingKey {
+        case id, objectType = "object", createdAt = "created_at", assistantId = "assistant_id"
+    }
+}

Sources/AISwiftAssist/Models/Request/ASACreateAssistantFileRequest.swift

@@ -0,0 +1,23 @@
+//
+//  File.swift
+//  
+//
+//  Created by Alexey on 12/5/23.
+//
+
+import Foundation
+
+/// Represents a request to create an assistant file.
+public struct ASACreateAssistantFileRequest: Codable {
+    /// A File ID (with purpose="assistants") that the assistant should use.
+    /// Useful for tools like retrieval and code_interpreter that can access files.
+    public let fileId: String
+
+    public init(fileId: String) {
+        self.fileId = fileId
+    }
+
+    enum CodingKeys: String, CodingKey {
+        case fileId = "file_id"
+    }
+}

Sources/AISwiftAssist/Models/Request/ASAListFilesParameters.swift

@@ -0,0 +1,34 @@
+//
+//  File.swift
+//  
+//
+//  Created by Alexey on 12/5/23.
+//
+
+import Foundation
+
+/// Parameters for listing assistant files.
+public struct ASAListFilesParameters: Encodable {
+    /// A limit on the number of objects to be returned.
+    /// Can range between 1 and 100. Defaults to 20.
+    public let limit: Int?
+
+    /// Sort order by the created_at timestamp of the objects.
+    /// 'asc' for ascending order and 'desc' for descending order.
+    public let order: String?
+
+    /// A cursor for use in pagination. 'after' is an object ID that defines
+    /// your place in the list, to fetch the next page of the list.
+    public let after: String?
+
+    /// A cursor for use in pagination. 'before' is an object ID that defines
+    /// your place in the list, to fetch the previous page of the list.
+    public let before: String?
+
+    public init(limit: Int? = nil, order: String? = nil, after: String? = nil, before: String? = nil) {
+        self.limit = limit
+        self.order = order
+        self.after = after
+        self.before = before
+    }
+}

Sources/AISwiftAssist/Models/Response/ASAAssistantFilesListResponse.swift

@@ -0,0 +1,30 @@
+//
+//  File.swift
+//  
+//
+//  Created by Alexey on 12/5/23.
+//
+
+import Foundation
+
+/// Represents a response containing a list of assistant files.
+public struct ASAAssistantFilesListResponse: Codable {
+    /// The object type, which is always 'list'.
+    public let object: String
+
+    /// The list of assistant files.
+    public let data: [ASAAssistantFile]
+
+    /// The ID of the first file in the list.
+    public let firstId: String
+
+    /// The ID of the last file in the list.
+    public let lastId: String
+
+    /// Boolean indicating if there are more files available.
+    public let hasMore: Bool
+
+    enum CodingKeys: String, CodingKey {
+        case data, firstId = "first_id", lastId = "last_id", hasMore = "has_more", object
+    }
+}

Tests/AISwiftAssistTests/APIs/AssistantsAPITests.swift

@@ -188,5 +188,97 @@ final class AssistantsAPITests: XCTestCase {
         }
     }
 
+    func testCreateFile() async {
+        do {
+            // Simulate server response
+            let mockData = AssistantsAPITests.createFile.data(using: .utf8)!
+
+            MockURLProtocol.requestHandler = { request in
+                let response = HTTPURLResponse(url: request.url!, statusCode: 200, httpVersion: nil, headerFields: nil)!
+                return (response, mockData)
+            }
+
+            let createRequest = ASACreateAssistantFileRequest(fileId: "file-abc123")
+            let file: ASAAssistantFile = try await assistantsAPI.createFile(for: "asst_abc123", with: createRequest)
+
+            // Checks
+            XCTAssertEqual(file.id, "file-abc123")
+            XCTAssertEqual(file.objectType, "assistant.file")
+            XCTAssertEqual(file.createdAt, 1699055364)
+            XCTAssertEqual(file.assistantId, "asst_abc123")
+        } catch {
+            XCTFail("Error: \(error)")
+        }
+    }
+
+    func testRetrieveFile() async {
+        do {
+            // Simulate server response
+            let mockData = AssistantsAPITests.retrieveFile.data(using: .utf8)!
+
+            MockURLProtocol.requestHandler = { request in
+                let response = HTTPURLResponse(url: request.url!, statusCode: 200, httpVersion: nil, headerFields: nil)!
+                return (response, mockData)
+            }
+
+            let file: ASAAssistantFile = try await assistantsAPI.retrieveFile(for: "asst_abc123", fileId: "file-abc123")
+
+            // Checks
+            XCTAssertEqual(file.id, "file-abc123")
+            XCTAssertEqual(file.objectType, "assistant.file")
+            XCTAssertEqual(file.createdAt, 1699055364)
+            XCTAssertEqual(file.assistantId, "asst_abc123")
+        } catch {
+            XCTFail("Error: \(error)")
+        }
+    }
+
+    func testDeleteFile() async {
+        do {
+            // Simulate server response
+            let mockData = AssistantsAPITests.deleteFile.data(using: .utf8)!
+
+            MockURLProtocol.requestHandler = { request in
+                let response = HTTPURLResponse(url: request.url!, statusCode: 200, httpVersion: nil, headerFields: nil)!
+                return (response, mockData)
+            }
+
+            let deleteResponse: ASADeleteModelResponse = try await assistantsAPI.deleteFile(for: "asst_abc123", fileId: "file-abc123")
+
+            // Checks
+            XCTAssertEqual(deleteResponse.id, "file-abc123")
+            XCTAssertEqual(deleteResponse.object, "assistant.file.deleted")
+            XCTAssertTrue(deleteResponse.deleted)
+        } catch {
+            XCTFail("Error: \(error)")
+        }
+    }
+
+    func testListFiles() async {
+        do {
+            // Simulate server response
+            let mockData = AssistantsAPITests.listFiles.data(using: .utf8)!
+
+            MockURLProtocol.requestHandler = { request in
+                let response = HTTPURLResponse(url: request.url!, statusCode: 200, httpVersion: nil, headerFields: nil)!
+                return (response, mockData)
+            }
+
+            let listParameters = ASAListFilesParameters()
+            let fileList: ASAAssistantFilesListResponse = try await assistantsAPI.listFiles(for: "asst_abc123", with: listParameters)
+
+            // Checks
+            XCTAssertEqual(fileList.object, "list")
+            XCTAssertEqual(fileList.data.count, 2)
+            XCTAssertEqual(fileList.firstId, "file-abc123")
+            XCTAssertEqual(fileList.lastId, "file-abc456")
+            XCTAssertFalse(fileList.hasMore)
+            XCTAssertEqual(fileList.data[0].id, "file-abc123")
+            XCTAssertEqual(fileList.data[1].id, "file-abc456")
+        } catch {
+            XCTFail("Error: \(error)")
+        }
+    }
+
 
 }