code from amapei

2020-09-26 18:25:18 +00:00
parent 42fe367911
commit 72b4699871
1966 changed files with 220437 additions and 2 deletions
@@ -0,0 +1,115 @@
+package utils;
+
+import haxe.Json;
+import js.Promise;
+import js.html.XMLHttpRequest;
+
+@:enum abstract HttpMethod(String) to String {
+  var POST = 'POST';
+  var GET = 'GET';
+  var HEAD = 'HEAD';
+  var PUT = 'PUT';
+  var DELETE = 'DELETE';
+  var TRACE = 'TRACE';
+  var OPTIONS = 'OPTIONS';
+  var CONNECT = 'CONNECT';
+  var PATCH = 'GET';
+}
+
+@:enum abstract FetchFormat(String) from String to String {
+  var PLAIN_TEXT = "text/plain";
+  var JSON = "application/json";
+}
+
+//json version of a tink.core.Error
+typedef ErrorInfos = {error:{code:Int,message:String,stack:String}}
+
+/**
+ * Manage HTTP request to a REST API.
+ * 
+ * POST requests can only have a single JSON object (payload)
+ */
+class HttpUtil
+{
+  	static public function fetch(
+    	url: String,
+    	?method: HttpMethod = GET,
+    	?params: Dynamic = null,
+    	?accept: FetchFormat = PLAIN_TEXT,
+    	?contentType: String = JSON
+  	): Promise<Dynamic> {
+
+    	return new Promise(function(resolve: Dynamic->Void, reject) {
+      		var data: String = null;
+      		if (params != null)
+      		{
+        		if (params.body != null){
+          			data = Json.stringify(params.body);
+        		} else if(method==POST) {
+					data = Json.stringify(params);
+				} else {
+					url += (url.indexOf('?') > -1) ? '&' : '?';
+					url += objToString(params);
+				}
+      		}
+
+      		var http = new XMLHttpRequest();
+      		http.open(method, url, true);
+			
+    		if (contentType != null && contentType.length > 0)
+        		http.setRequestHeader("Content-type", contentType);
+
+      		if (accept != null)
+        		http.setRequestHeader("Accept", accept);
+
+      		http.onreadystatechange = function() {
+				//trace("readystate",http.readyState, http.status);
+				if (http.readyState == 4){
+					switch (http.status){
+						case 200:
+							switch (accept){
+								case JSON:
+								try {
+									var json = Json.parse(http.responseText);
+									resolve(json);
+								} catch (err: Dynamic){
+									reject(err);
+								}
+								default:
+									resolve(http.responseText);
+							}
+
+						case 204:
+							resolve(true);
+
+						default:
+							reject(http.responseText);
+					}
+				}
+      		};
+
+      		http.send(data);
+    	});
+  	}
+
+  static public function objToString(obj: Dynamic): String
+  {
+    var str = "";
+    var cpt = 0;
+    for (key in Reflect.fields(obj))
+    {
+      var value: Dynamic = Reflect.field(obj, key);
+      if (value == null) continue;
+
+      if (cpt++ > 0)
+        str += "&";
+
+      if (Std.is(value, Array) && value.length > 0)
+        str += '$key=${value.join(";")}';
+      else if (Std.string(value) != "") // String / Int / Float
+        str += '$key=${StringTools.trim(Std.string(value))}';
+    }
+    return str;
+  }
+
+}