Create main.gd (#2)

Extend HTTPClient to use a signal-based approach

Author: brandonlamb

addons/godot-unirest/http_client.gd

@@ -0,0 +1,81 @@
+extends HTTPClient
+
+signal connected()
+signal connecting()
+signal disconnected()
+signal resolving()
+signal resolve_failed()
+signal body_received(bytes)
+signal ssl_handshake_failed()
+
+var uri
+
+"""
+Factory convenience method
+"""
+static func create_client(url):
+	var client = new()
+	client.uri = URI.create(url)
+
+	return client
+
+class URI:
+	var scheme
+	var host
+	var port = -1
+	var path
+	var query = {}
+
+	static func create(url):
+		var uri = new()
+
+		if url.begins_with("https://"):
+			uri.scheme = "https"
+			url = url.substr(0, 8)
+		elif url.begins_with("http://"):
+			uri.scheme = "http"
+			url = url.substr(0, 7)
+		else:
+			uri.scheme = "http"
+
+		# URL should now be domain.com:port/path/?name=Bob&age=30
+		var query_pos = url.find("?")
+		if query_pos >= 0:
+			# q: name=Bob&age=30
+			var q = url.substr(query_pos, len(url))
+
+			# params: ["name=Bob", "age=30"]
+			var params = q.split("&")
+
+			# query: { "name": "Bob", "age": 30 }
+			for i in params:
+				var parts = params[i].split("=")
+				uri.query[parts[0]] = parts[1]
+
+			# URL should now be domain.com:port/path/
+			url = url.substr(0, query_pos)
+
+		var slash_pos = url.find("/")
+		if slash_pos >= 0:
+			uri.path = url.substr(slash_pos, len(url))
+
+			# URL should now be domain.com:port
+			url = url.substr(0, slash_pos)
+
+		var port_pos = url.find(":")
+		if port_pos >= 0:
+			uri.port = url.substr(port_pos, len(url))
+
+			# URL should now be domain.com
+			url = url.substr(0, port_pos)
+
+		# Assign remaining string to host
+		uri.host = url
+
+		if uri.port < 0:
+			match uri.scheme:
+				"https": uri.port = 443
+				"http": uri.port = 80
+				_: uri.port = 80
+
+		return uri

addons/godot-unirest/unirest.gd

@@ -1,10 +1,27 @@
 extends Node
 
+const HttpClient = preload("res://addons/godot-unirest/http_client.gd")
+
 const USER_AGENT = "unirest-gdscript/1.0.0"
 
 var _default_user_agent = USER_AGENT
 var _default_headers = {}
-var _client = HTTPClient.new()
+#var _client = HTTPClient.new()
+var _client
+
+"""
+Factory method to create a new unirest object
+"""
+static func create(url):
+	return new(HttpClient.create_client(url))
+
+"""
+Constructor
+
+@param {HttpClient} client
+"""
+func _init(client):
+	_client = client
 
 """
 Create a new request object
@@ -19,7 +36,6 @@ Create a new request object
 """
 func request(method, url, params, headers, auth, callback = null):
 	var r = Request.new()
-	add_child(r)
 
 	print("UNIREST: request=", url, ", params=", params)
 
@@ -308,6 +324,10 @@ class Request:
 	var _options = Options.new()
 	var response
 
+	func _on_disconnected():
+		print("Client disconnected")
+		_options.client.close()
+
 	"""
 	Signal handler for when HTTP request completes
 	"""
@@ -391,9 +411,9 @@ class Request:
 	@return {Request}
 	"""
 	func client(value):
-		if !(client is HTTPClient):
+		if !(value is HTTPClient):
 			return print("Client is not a HTTPClient object")
-		_options.client = client
+		_options.client = value
 
 		return self
 

example/main.gd

@@ -0,0 +1,23 @@
+extends Node
+
+const Unirest = preload("res://addons/godot-unirest/unirest.gd")
+
+onready var unirest = Unirest.create("https://api.mydomain.com/v1")
+
+func test():
+	# Set some default headers for all requests
+	unirest.default_headers({
+		"Accept": Unirest.MediaType.APPLICATION_JSON,
+		"Content-Type": Unirest.MediaType.APPLICATION_JSON
+	})
+	
+	var r = unirest.get("/resource/123").header("Accept-Language", "en").complete(funcref(self, "_on_complete"))
+	var status = r.execute()
+	
+func _on_complete(response):
+	print("http status: ", response.response_code)
+	
+	for i in response.headers:
+		print("header: name=", i, ", value=", response.headers[i])
+	
+	print("body=", response.body)