Add query logic in Swift (#227)

## 🧰 Changes

- Add query logic in Swift
  - URLQueryItem has url encode logic

## 🧬 QA & Testing

I fixed test code in
`/httpsnippet/src/targets/swift/urlsession/fixtures/`

`npm run test`

Author: zunda-pixel

src/targets/swift/urlsession/client.ts

@@ -25,7 +25,7 @@ export const urlsession: Client<UrlsessionOptions> = {
     description: "Foundation's URLSession request",
     extname: '.swift',
   },
-  convert: ({ allHeaders, postData, fullUrl, method }, options) => {
+  convert: ({ allHeaders, postData, uriObj, queryObj, method }, options) => {
     const opts = {
       indent: '  ',
       pretty: true,
@@ -122,7 +122,36 @@ export const urlsession: Client<UrlsessionOptions> = {
 
     blank();
 
-    push(`var request = URLRequest(url: URL(string: "${fullUrl}")!)`);
+    push(`let url = URL(string: "${uriObj.href}")!`);
+
+    const queries = queryObj ? Object.entries(queryObj) : [];
+    if (queries.length < 1) {
+      push('var request = URLRequest(url: url)');
+    } else {
+      push('var components = URLComponents(url: url, resolvingAgainstBaseURL: true)!');
+      push('let queryItems: [URLQueryItem] = [');
+
+      queries.forEach(query => {
+        const key = query[0];
+        const value = query[1];
+        switch (Object.prototype.toString.call(value)) {
+          case '[object String]':
+            push(`${opts.indent}URLQueryItem(name: "${key}", value: "${value}"),`);
+            break;
+          case '[object Array]':
+            value.forEach(val => {
+              push(`${opts.indent}URLQueryItem(name: "${key}", value: "${val}"),`);
+            });
+            break;
+        }
+      });
+      push(']');
+      push('components.queryItems = components.queryItems.map { $0 + queryItems } ?? queryItems');
+
+      blank();
+      push('var request = URLRequest(url: components.url!)');
+    }
+
     push(`request.httpMethod = "${method}"`);
 
     if (req.hasHeaders) {
@@ -136,7 +165,7 @@ export const urlsession: Client<UrlsessionOptions> = {
     blank();
     // Retrieving the shared session will be less verbose than creating a new one.
 
-    push('let (data, response) = try await URLSession.shared.data(with: request)');
+    push('let (data, response) = try await URLSession.shared.data(for: request)');
     push('print(String(decoding: data, as: UTF8.self))');
 
     blank();

src/targets/swift/urlsession/fixtures/application-form-encoded.swift

@@ -8,10 +8,11 @@ let headers = ["content-type": "application/x-www-form-urlencoded"]
 var postData = Data("foo=bar".utf8)
 postData.append(Data("&hello=world".utf8))
 
-var request = URLRequest(url: URL(string: "https://httpbin.org/anything")!)
+let url = URL(string: "https://httpbin.org/anything")!
+var request = URLRequest(url: url)
 request.httpMethod = "POST"
 request.allHTTPHeaderFields = headers
 request.httpBody = postData
 
-let (data, response) = try await URLSession.shared.data(with: request)
+let (data, response) = try await URLSession.shared.data(for: request)
 print(String(decoding: data, as: UTF8.self))

src/targets/swift/urlsession/fixtures/application-json.swift

@@ -15,10 +15,11 @@ let parameters = [
 
 let postData = try JSONSerialization.data(withJSONObject: parameters, options: [])
 
-var request = URLRequest(url: URL(string: "https://httpbin.org/anything")!)
+let url = URL(string: "https://httpbin.org/anything")!
+var request = URLRequest(url: url)
 request.httpMethod = "POST"
 request.allHTTPHeaderFields = headers
 request.httpBody = postData
 
-let (data, response) = try await URLSession.shared.data(with: request)
+let (data, response) = try await URLSession.shared.data(for: request)
 print(String(decoding: data, as: UTF8.self))

src/targets/swift/urlsession/fixtures/cookies.swift

@@ -5,9 +5,10 @@ import Foundation
 
 let headers = ["cookie": "foo=bar; bar=baz"]
 
-var request = URLRequest(url: URL(string: "https://httpbin.org/cookies")!)
+let url = URL(string: "https://httpbin.org/cookies")!
+var request = URLRequest(url: url)
 request.httpMethod = "GET"
 request.allHTTPHeaderFields = headers
 
-let (data, response) = try await URLSession.shared.data(with: request)
+let (data, response) = try await URLSession.shared.data(for: request)
 print(String(decoding: data, as: UTF8.self))

src/targets/swift/urlsession/fixtures/custom-method.swift

@@ -3,8 +3,9 @@ import Foundation
   import FoundationNetworking
 #endif
 
-var request = URLRequest(url: URL(string: "https://httpbin.org/anything")!)
+let url = URL(string: "https://httpbin.org/anything")!
+var request = URLRequest(url: url)
 request.httpMethod = "PROPFIND"
 
-let (data, response) = try await URLSession.shared.data(with: request)
+let (data, response) = try await URLSession.shared.data(for: request)
 print(String(decoding: data, as: UTF8.self))

src/targets/swift/urlsession/fixtures/full.swift

@@ -11,10 +11,20 @@ let headers = [
 
 let postData = Data("foo=bar".utf8)
 
-var request = URLRequest(url: URL(string: "https://httpbin.org/anything?foo=bar&foo=baz&baz=abc&key=value")!)
+let url = URL(string: "https://httpbin.org/anything?key=value")!
+var components = URLComponents(url: url, resolvingAgainstBaseURL: true)!
+let queryItems: [URLQueryItem] = [
+  URLQueryItem(name: "foo", value: "bar"),
+  URLQueryItem(name: "foo", value: "baz"),
+  URLQueryItem(name: "baz", value: "abc"),
+  URLQueryItem(name: "key", value: "value"),
+]
+components.queryItems = components.queryItems.map { $0 + queryItems } ?? queryItems
+
+var request = URLRequest(url: components.url!)
 request.httpMethod = "POST"
 request.allHTTPHeaderFields = headers
 request.httpBody = postData
 
-let (data, response) = try await URLSession.shared.data(with: request)
+let (data, response) = try await URLSession.shared.data(for: request)
 print(String(decoding: data, as: UTF8.self))

src/targets/swift/urlsession/fixtures/headers.swift

@@ -10,9 +10,10 @@ let headers = [
   "quoted-value": "\"quoted\" 'string'"
 ]
 
-var request = URLRequest(url: URL(string: "https://httpbin.org/headers")!)
+let url = URL(string: "https://httpbin.org/headers")!
+var request = URLRequest(url: url)
 request.httpMethod = "GET"
 request.allHTTPHeaderFields = headers
 
-let (data, response) = try await URLSession.shared.data(with: request)
+let (data, response) = try await URLSession.shared.data(for: request)
 print(String(decoding: data, as: UTF8.self))

src/targets/swift/urlsession/fixtures/http-insecure.swift

@@ -3,8 +3,9 @@ import Foundation
   import FoundationNetworking
 #endif
 
-var request = URLRequest(url: URL(string: "http://httpbin.org/anything")!)
+let url = URL(string: "http://httpbin.org/anything")!
+var request = URLRequest(url: url)
 request.httpMethod = "GET"
 
-let (data, response) = try await URLSession.shared.data(with: request)
+let (data, response) = try await URLSession.shared.data(for: request)
 print(String(decoding: data, as: UTF8.self))

src/targets/swift/urlsession/fixtures/indent-option.swift

@@ -3,8 +3,9 @@ import Foundation
   import FoundationNetworking
 #endif
 
-var request = URLRequest(url: URL(string: "https://httpbin.org/anything")!)
+let url = URL(string: "https://httpbin.org/anything")!
+var request = URLRequest(url: url)
 request.httpMethod = "GET"
 
-let (data, response) = try await URLSession.shared.data(with: request)
+let (data, response) = try await URLSession.shared.data(for: request)
 print(String(decoding: data, as: UTF8.self))

src/targets/swift/urlsession/fixtures/json-null-value.swift

@@ -8,10 +8,11 @@ let parameters = ["foo": nil] as [String : Any]
 
 let postData = try JSONSerialization.data(withJSONObject: parameters, options: [])
 
-var request = URLRequest(url: URL(string: "https://httpbin.org/anything")!)
+let url = URL(string: "https://httpbin.org/anything")!
+var request = URLRequest(url: url)
 request.httpMethod = "POST"
 request.allHTTPHeaderFields = headers
 request.httpBody = postData
 
-let (data, response) = try await URLSession.shared.data(with: request)
+let (data, response) = try await URLSession.shared.data(for: request)
 print(String(decoding: data, as: UTF8.self))