Jorijn van der Graaf
749f525f83
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82 lines
3.7 KiB
C++
82 lines
3.7 KiB
C++
/*
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catcrafts.net
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Copyright (C) 2026 Catcrafts
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The source code of this website is made available for viewing purposes only.
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No permission is granted to copy, modify, distribute, or create derivative works.
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*/
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// The wire-amount parser (Mollie quotes amounts as strings) and the Mollie
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// payment parser — the line between "the buyer paid" and "the provider said
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// something we did not understand". Both refuse rather than guess.
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import std;
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import Catcrafts.Shared;
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import Catcrafts.Server;
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using namespace Catcrafts;
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namespace {
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int failures = 0;
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void Check(bool ok, std::string_view what, std::string_view got = {}) {
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if (ok) return;
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++failures;
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std::println(std::cerr, "FAIL: {}{}{}", what,
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got.empty() ? "" : " got: ", got);
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}
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} // namespace
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int main() {
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// ── the wire-amount parser ────────────────────────────────────────
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using Server::ParseAmountToMinor;
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Check(ParseAmountToMinor("614.00") == 61400, "amount: normal");
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Check(ParseAmountToMinor("614") == 61400, "amount: no fraction");
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Check(ParseAmountToMinor("614.5") == 61450, "amount: one fraction digit");
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Check(ParseAmountToMinor("0.01") == 1, "amount: one cent");
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Check(!ParseAmountToMinor("614.005").has_value(), "amount: three decimals rejected");
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Check(!ParseAmountToMinor("-1.00").has_value(), "amount: negative rejected");
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Check(!ParseAmountToMinor("+1.00").has_value(), "amount: sign rejected");
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Check(!ParseAmountToMinor("1e3").has_value(), "amount: exponent rejected");
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Check(!ParseAmountToMinor("1.").has_value(), "amount: trailing dot rejected");
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Check(!ParseAmountToMinor(".5").has_value(), "amount: bare fraction rejected");
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Check(!ParseAmountToMinor("").has_value(), "amount: empty rejected");
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Check(!ParseAmountToMinor("1 000.00").has_value(), "amount: separator rejected");
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// ── the Mollie payment parser ─────────────────────────────────────
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{
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const auto p1 = Server::ParseMolliePayment(R"({
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"resource":"payment","id":"tr_7UhSN1zuXS","status":"open","method":null,
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"amount":{"value":"578.30","currency":"EUR"},
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"_links":{"checkout":{"href":"https://www.mollie.com/checkout/select-method/7UhSN1zuXS","type":"text/html"}}})");
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Check(p1.has_value(), "mollie: open payment parses");
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if (p1) {
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Check(p1->id == "tr_7UhSN1zuXS", "mollie: id");
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Check(p1->status == "open", "mollie: status");
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Check(p1->amountMinor == 57830, "mollie: amount to cents");
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Check(p1->checkoutUrl == "https://www.mollie.com/checkout/select-method/7UhSN1zuXS",
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"mollie: checkout link");
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Check(p1->method.empty(), "mollie: null method is empty");
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}
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const auto p2 = Server::ParseMolliePayment(R"({
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"id":"tr_x","status":"paid","method":"ideal",
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"amount":{"value":"578.30","currency":"EUR"},"_links":{}})");
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Check(p2 && p2->status == "paid" && p2->method == "ideal",
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"mollie: paid payment carries the method");
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const auto p3 = Server::ParseMolliePayment(R"({
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"id":"tr_y","status":"paid","amount":{"value":"578.30","currency":"USD"}})");
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Check(p3 && p3->amountMinor == 0, "mollie: non-EUR amount refuses to count");
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Check(!Server::ParseMolliePayment("garbage").has_value(),
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"mollie: malformed payload rejected");
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Check(!Server::ParseMolliePayment(R"({"status":"open"})").has_value(),
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"mollie: missing id rejected");
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}
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if (failures != 0) {
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std::println(std::cerr, "{} check(s) failed", failures);
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return 1;
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}
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return 0;
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}
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