Created ItchIO and Steam services

Created services to fetch App Data from Steam and Itch.io

lib/games_info/itch_io_service.gd

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+@tool
+@icon("res://UI/assets/font_awesome/itch-io.svg")
+extends Node
+class_name ItchIOService
+
+static var _log: TwitchLogger = TwitchLogger.new(&"ItchIOService")
+
+#region RegEx HTML Scrapping
+static var _desc_re: RegEx = RegEx.create_from_string(r'(?s)<div class="formatted_description user_formatted">(.*?)<\/div>')
+static var _div_re: RegEx = RegEx.create_from_string(r'(?s)<div class="screenshot_list">(.*?)<\/div>')
+static var _ss_thumb_re: RegEx = RegEx.create_from_string(r'<img[^>]+src="([^"]+/\d+x\d+/[^"]+)"')
+static var _ss_full_re: RegEx = RegEx.create_from_string(r'<a[^>]+href=\"([^"]+\/original\/[^"]+)"')
+#endregion
+
+func get_itch_app_data(game_url: String) -> ItchIOAppData:
+	var http_request = HTTPRequest.new()
+	add_child(http_request)
+	
+	var base_url := game_url.strip_edges().rstrip("/")
+	var json_url := base_url + "/data.json"
+	
+	var err := http_request.request(json_url)
+	if err != OK:
+		_log.e("Error requesting Itch data: %s" % error_string(err))
+		return null
+	
+	var json_result: Array = await http_request.request_completed
+	var _result: int = json_result[0]
+	var response_code: int = json_result[1]
+	var body: PackedByteArray = json_result[3]
+	
+	if response_code != HTTPClient.RESPONSE_OK:
+		_log.e("Failed to fetch Itch data.json. HTTP %s" % response_code)
+		return null
+	
+	var json = JSON.parse_string(body.get_string_from_utf8())
+	if typeof(json) != TYPE_DICTIONARY:
+		_log.e("Invalid JSON from Itch")
+		return null
+	
+	err = http_request.request(base_url)
+	if err != OK:
+		_log.e("Error requesting Itch HTML: %s" % error_string(err))
+		return ItchIOAppData.from_json(json)
+	
+	var html_result: Array = await http_request.request_completed
+	var html_code: int = html_result[1]
+	var html_body: PackedByteArray = html_result[3]
+	
+	if html_code == HTTPClient.RESPONSE_OK:
+		var html := html_body.get_string_from_utf8()
+		var extra_info: Dictionary = scrape_html(html)
+		json.merge(extra_info)
+	else:
+		_log.e("Could not retrieve HTML content. Skipping description/screenshot parsing.")
+	http_request.queue_free()
+	
+	return ItchIOAppData.from_json(json)
+
+func scrape_html(html: String) -> Dictionary:
+	var data := {
+		"description": "",
+		"screenshots_thumbnails": [],
+		"screenshots_full": [],
+	}
+	
+	var desc_match: RegExMatch = _desc_re.search(html)
+	if desc_match:
+		data["description"] = Util.convert_html_to_bbcode(desc_match.get_string(1))
+	
+	var div_match := _div_re.search(html)
+	
+	if div_match:
+		var screenshot_block: String = div_match.get_string(1)
+		
+		var ss_thumb_matches: Array[RegExMatch] = _ss_thumb_re.search_all(screenshot_block)
+		
+		for s_match: RegExMatch in ss_thumb_matches:
+			data["screenshots_thumbnails"].append(s_match.get_string(1))
+		
+		var ss_full_matches: Array[RegExMatch] = _ss_full_re.search_all(screenshot_block)
+		
+		for s_match: RegExMatch in ss_full_matches:
+			data["screenshots_full"].append(s_match.get_string(1))
+	
+	return data