untap/caching.gd

146 lines
4.2 KiB
GDScript

extends Node
signal cache_done
var _req_headers
var _consts = preload("res://data/consts.gd")
func _init() -> void:
_req_headers = PackedStringArray(["User-Agent: " + _consts.APP_NAME + "/" + _consts.APP_VERSION, "Accept: */*"])
func _cache_error(err: String) -> String:
return "CACHE::ERROR::" + err + "\n"
func get_card_data_from_name(_name: String) -> Dictionary:
return _get_card_data_from_bulk("name", _name)
func _get_dict_from_file(filepath: String) -> Dictionary:
var file = FileAccess.open(filepath, FileAccess.READ)
var data = JSON.parse_string(file.get_as_text())
return data
func get_card_data_from_id(id: String) -> Dictionary:
if FileAccess.file_exists("user://card_cache/" + id + "/card.json"):
return _get_dict_from_file("user://card_cache/" + id + "/card.json")
return _get_card_data_from_bulk("id", id)
func _get_card_data_from_bulk(field: String, search_query: String) -> Dictionary:
var file = FileAccess.open("user://card_cache/bulk.json", FileAccess.READ)
var bulk_json = JSON.parse_string(file.get_as_text())
var selected_entry = null
for entry in bulk_json:
if entry[field] == search_query:
selected_entry = entry
break
continue
file = null
if selected_entry == null:
return {}
if selected_entry["image_status"] != "missing":
_fetch_card_img(selected_entry)
var dir = DirAccess.open("user://")
dir.make_dir_recursive("user://card_cache/" + selected_entry["id"] + "/")
dir = null
file = FileAccess.open("user://card_cache/" + selected_entry["id"] + "/card.json", FileAccess.WRITE)
file.store_line(JSON.stringify(selected_entry, "\t"))
file = null
return selected_entry
func _fetch_card_img(data: Dictionary) -> Error:
if FileAccess.file_exists("user://card_cache/" + data["id"] + "card.png"):
return OK
var httpr = HTTPRequest.new()
add_child(httpr)
var err = httpr.request((data["image_uris"])["png"], _req_headers)
if err != OK:
push_error(_cache_error("GET_REQUEST") + "An error occured in the Scryfall request.")
return FAILED
var resp = await httpr.request_completed
var img = Image.new()
err = img.load_png_from_buffer(resp[3])
if err != OK:
push_error(_cache_error("IMG_LOADING") + "Couldn't load the image.")
return FAILED
var dir = DirAccess.open("user://")
dir.make_dir_recursive("user://card_cache/" + data["id"] + "/")
dir = null
img.save_png("user://card_cache/" + data["id"] + "/card.png")
img = null
return OK
func get_bulk_data(force: bool) -> Error:
if FileAccess.file_exists("user://card_cache/bulk.json"):
if force:
DirAccess.remove_absolute("user://card_cahce/bulk.json")
else:
return OK
var httpr = HTTPRequest.new()
add_child(httpr)
var error = httpr.request("https://api.scryfall.com/bulk-data/unique-artwork", _req_headers)
if error != OK:
push_error(_cache_error("GET_REQUEST") + "An error occurred in the Scryfall request.")
return FAILED
var response = await httpr.request_completed
if response[0] != HTTPRequest.RESULT_SUCCESS:
push_error(_cache_error("GET_REQUEST") + "Failed to fetch card data from Scryfall")
return FAILED
var unprocessed_body = response[3].get_string_from_utf8()
var card_content = JSON.parse_string(unprocessed_body)
if card_content == null:
push_error(_cache_error("PARSING") + "Failed to parse the Scryfall card results.")
return FAILED
error = httpr.request(card_content["download_uri"], _req_headers)
if error != OK:
push_error(_cache_error("GET_REQUEST") + "An error occurred in the Scryfall request.")
return FAILED
response = await httpr.request_completed
if response[0] != HTTPRequest.RESULT_SUCCESS:
push_error(_cache_error("GET_REQUEST") + "Failed to fetch card data from Scryfall")
return FAILED
unprocessed_body = response[3].get_string_from_utf8()
card_content = JSON.parse_string(unprocessed_body)
if card_content == null:
push_error(_cache_error("PARSING") + "Failed to parse the Scryfall card results.")
return FAILED
var dir = DirAccess.open("user://")
dir.make_dir_recursive("user://card_cache/") # lets ensure the path is there
dir = null
var data_cache = FileAccess.open("user://card_cache/bulk.json", FileAccess.WRITE)
data_cache.store_string(unprocessed_body)
data_cache = null
cache_done.emit()
return OK