Add Rz Coin utility store

scripts/autoload/credits_service.gd

@@ -2,16 +2,23 @@ extends Node
 
 signal credits_changed
 signal credits_failed(message: String)
+signal store_operation_completed(message: String)
 
 const EndpointConfig := preload("res://scripts/autoload/api_endpoint_config.gd")
 const DEFAULT_URL := "https://us3q.ranaze.com/api/credits"
 
 var credits: int = 0
+var exam_tokens: int = 0
+var qbank_reset_tokens: int = 0
+var bank_cycle: int = 0
+var products: Array = []
 var loaded := false
 var loading := false
 var request: HTTPRequest
+var action_request: HTTPRequest
 var request_token := ""
 var api_url := DEFAULT_URL
+var pending_store_action := ""
 
 
 func _ready() -> void:
@@ -22,6 +29,10 @@ func _ready() -> void:
 	request.timeout = 20.0
 	request.request_completed.connect(_on_completed)
 	add_child(request)
+	action_request = HTTPRequest.new()
+	action_request.timeout = 20.0
+	action_request.request_completed.connect(_on_action_completed)
+	add_child(action_request)
 	AuthState.auth_changed.connect(_on_auth_changed)
 
 
@@ -39,6 +50,10 @@ func refresh() -> void:
 
 func apply_status(parsed: Dictionary) -> void:
 	credits = int(parsed.get("credits", credits))
+	exam_tokens = int(parsed.get("examTokens", exam_tokens))
+	qbank_reset_tokens = int(parsed.get("qBankResetTokens", qbank_reset_tokens))
+	bank_cycle = int(parsed.get("bankCycle", bank_cycle))
+	products = parsed.get("products", products)
 	loaded = true
 	credits_changed.emit()
 
@@ -58,9 +73,61 @@ func _on_completed(result: int, response_code: int, _headers: PackedStringArray,
 	apply_status(parsed)
 
 
+func purchase(sku: String) -> void:
+	pending_store_action = "purchase"
+	_post("/purchases", {"sku": sku, "operationId": _operation_id("purchase")})
+
+
+func reset_qbank() -> void:
+	pending_store_action = "reset"
+	_post("/qbank-reset", {"confirmation": "RESET_QBANK", "operationId": _operation_id("reset")})
+
+
+func _post(path: String, payload: Dictionary) -> void:
+	if not AuthState.can_send_authenticated_request():
+		return
+	var headers := PackedStringArray([
+		"Authorization: Bearer %s" % AuthState.access_token,
+		"Content-Type: application/json"
+	])
+	var error := action_request.request(api_url + path, headers, HTTPClient.METHOD_POST, JSON.stringify(payload))
+	if error != OK:
+		credits_failed.emit("The Rz Coin Store could not complete that action.")
+
+
+func _on_action_completed(result: int, response_code: int, _headers: PackedStringArray, body: PackedByteArray) -> void:
+	var parsed: Variant = JSON.parse_string(body.get_string_from_utf8())
+	if result != HTTPRequest.RESULT_SUCCESS:
+		credits_failed.emit("The Rz Coin Store could not complete that action.")
+		return
+	if response_code >= 200 and response_code < 300 and typeof(parsed) == TYPE_DICTIONARY:
+		apply_status(parsed)
+		if pending_store_action == "reset":
+			ProfileService.reset_qbank_eligibility()
+		pending_store_action = ""
+		store_operation_completed.emit("Your Rz Coin Store balance was updated.")
+		return
+	if typeof(parsed) == TYPE_DICTIONARY:
+		var status: Variant = parsed.get("credits", {})
+		if typeof(status) == TYPE_DICTIONARY:
+			apply_status(status)
+		credits_failed.emit(str(parsed.get("message", "The store action could not be completed.")))
+	else:
+		credits_failed.emit("The store action could not be completed.")
+	pending_store_action = ""
+
+
+func _operation_id(prefix: String) -> String:
+	return "%s:%s:%d" % [prefix, str(AuthState.user_id), Time.get_ticks_usec()]
+
+
 func _on_auth_changed() -> void:
 	if not AuthState.is_logged_in:
 		credits = 0
+		exam_tokens = 0
+		qbank_reset_tokens = 0
+		bank_cycle = 0
+		products = []
 		loaded = false
 		loading = false
 		if request.get_http_client_status() != HTTPClient.STATUS_DISCONNECTED: