Make RESTRequest work with both WooCommerce and WordPress API.

Networking/Networking/Requests/RESTRequest.swift

@@ -8,9 +8,9 @@ struct RESTRequest: Request {
     ///
     let siteURL: String
 
-    /// WooCommerce API Version
+    /// WooCommerce / WordPress API Version Path
     ///
-    let wooApiVersion: WooAPIVersion
+    let apiVersionPath: String?
 
     /// HTTP Request Method
     ///
@@ -24,30 +24,66 @@ struct RESTRequest: Request {
     ///
     let parameters: [String: Any]?
 
-    /// Designated Initializer.
+    private init(siteURL: String,
+                 apiVersionPath: String?,
+                 method: HTTPMethod,
+                 path: String,
+                 parameters: [String: Any]) {
+        self.siteURL = siteURL
+        self.apiVersionPath = apiVersionPath
+        self.method = method
+        self.path = path
+        self.parameters = parameters
+    }
+
+    /// - Parameters:
+    ///     - siteURL: URL of the site to send the REST request to.
+    ///     - method: HTTP Method we should use.
+    ///     - path: path to the target endpoint.
+    ///     - parameters: Collection of String parameters to be passed over to our target endpoint.
     ///
+    init(siteURL: String,
+         method: HTTPMethod,
+         path: String,
+         parameters: [String: Any] = [:]) {
+        self.init(siteURL: siteURL, apiVersionPath: nil, method: method, path: path, parameters: parameters)
+    }
+
     /// - Parameters:
     ///     - siteURL: URL of the site to send the REST request to.
+    ///     - wooApiVersion: WooCommerce API version.
     ///     - method: HTTP Method we should use.
     ///     - path: path to the target endpoint.
     ///     - parameters: Collection of String parameters to be passed over to our target endpoint.
     ///
     init(siteURL: String,
-         wooApiVersion: WooAPIVersion = .none,
+         wooApiVersion: WooAPIVersion,
          method: HTTPMethod,
          path: String,
          parameters: [String: Any] = [:]) {
-        self.siteURL = siteURL
-        self.wooApiVersion = wooApiVersion
-        self.method = method
-        self.path = path
-        self.parameters = parameters
+        self.init(siteURL: siteURL, apiVersionPath: wooApiVersion.path, method: method, path: path, parameters: parameters)
+    }
+
+    /// - Parameters:
+    ///     - siteURL: URL of the site to send the REST request to.
+    ///     - wordpressApiVersion: WordPress API version.
+    ///     - method: HTTP Method we should use.
+    ///     - path: path to the target endpoint.
+    ///     - parameters: Collection of String parameters to be passed over to our target endpoint.
+    ///
+    init(siteURL: String,
+         wordpressApiVersion: WordPressAPIVersion,
+         method: HTTPMethod,
+         path: String,
+         parameters: [String: Any] = [:]) {
+        self.init(siteURL: siteURL, apiVersionPath: wordpressApiVersion.path, method: method, path: path, parameters: parameters)
     }
 
     /// Returns a URLRequest instance representing the current REST API Request.
     ///
     func asURLRequest() throws -> URLRequest {
-        let components = [siteURL, Settings.basePath, wooApiVersion.path, path]
+        let components = [siteURL, Settings.basePath, apiVersionPath, path]
+            .compactMap { $0 }
             .map { $0.trimSlashes() }
             .filter { $0.isEmpty == false }
         let url = try components.joined(separator: "/").asURL()

Networking/NetworkingTests/Requests/JetpackRequestTests.swift

@@ -140,7 +140,7 @@ final class JetpackRequestTests: XCTestCase {
         let output = try XCTUnwrap(request.asRESTRequest(with: sampleSiteAddress))
 
         // Then
-        XCTAssertEqual(output.wooApiVersion, .mark3)
+        XCTAssertEqual(output.apiVersionPath, WooAPIVersion.mark3.path)
         XCTAssertEqual(output.method, .post)
         XCTAssertEqual(output.path, sampleRPC)
         let params = try XCTUnwrap(output.parameters as? [String: String])

Networking/NetworkingTests/Requests/RESTRequestTests.swift

@@ -60,6 +60,18 @@ final class RESTRequestTests: XCTestCase {
         assertEqual(url.absoluteString, expectedURL)
     }
 
+    func test_request_wordPressApiVersion_is_correct() throws {
+        // Given
+        let request = RESTRequest(siteURL: sampleSiteAddress, wordpressApiVersion: .wpMark2, method: .get, path: sampleRPC)
+
+        // When
+        let url = try XCTUnwrap(request.asURLRequest().url)
+
+        // Then
+        let expectedURL = "https://wordpress.com/wp-json/wp/v2/sample"
+        assertEqual(url.absoluteString, expectedURL)
+    }
+
     func test_it_uses_JSON_encoding_for_post_method() throws {
         // Given
         let request = RESTRequest(siteURL: sampleSiteAddress, wooApiVersion: sampleWooApiVersion, method: .post, path: sampleRPC, parameters: sampleParameters)