Jorijn van der Graaf
749f525f83
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102 lines
4.8 KiB
C++
102 lines
4.8 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 Sendcloud response parser. Weights are the kilogram strings the API
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// sends; every Find() below asks for a parcel weight, because a price without
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// a weight is not a thing this table has any more.
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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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const auto table = Server::ParseSendcloudMethods(R"({"shipping_methods":[
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{"name":"Other Method","min_weight":"0.001","max_weight":"10.000",
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"countries":[{"iso_2":"NL","price":1.00}]},
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{"name":"DHL For You Home","min_weight":"0.001","max_weight":"2.000",
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"countries":[
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{"iso_2":"NL","price":6.25},
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{"iso_2":"DE","price":8.20},
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{"iso_2":"CA","price":42.50},
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{"iso_2":"XX","price":0},
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{"iso_2":"TOOLONG","price":5.00}]},
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{"name":"DHL For You Home","min_weight":"2.000","max_weight":"10.000",
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"countries":[{"iso_2":"NL","price":9.95},{"iso_2":"DE","price":13.40}]},
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{"name":"DHL For You Home","countries":[{"iso_2":"BE","price":1.00}]}]})",
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"DHL For You");
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Check(table.method == "DHL For You Home", "sendcloud: method matched by substring");
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Check(table.Find("NL", 700) == 625, "sendcloud: NL price to cents");
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Check(table.Find("DE", 700) == 820, "sendcloud: 8.20 rounds exactly");
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Check(table.Find("CA", 700) == 4250, "sendcloud: CA price");
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Check(table.Find("XX", 700) == 0, "sendcloud: zero price dropped");
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Check(table.Find("TOOLONG", 700) == 0, "sendcloud: malformed iso dropped");
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// The bug the old parser had: it stopped at the FIRST matching method,
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// so every parcel was priced at whichever band came first and the
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// heavier bands were invisible.
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Check(table.Find("NL", 2100) == 995 && table.Find("DE", 2100) == 1340,
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"sendcloud: every weight band of a matched method is kept");
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Check(table.Find("NL", 11000) == 0,
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"sendcloud: past the heaviest band there is no price");
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Check(table.Find("BE", 700) == 0,
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"sendcloud: a method with no weight range is unusable, not unlimited");
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Check(Server::ParseSendcloudMethods("garbage", "x").perCountry.empty(),
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"sendcloud: malformed payload yields nothing");
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// Comma-separated merge: courier for Europe, post for the world; the
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// earlier FILTER keeps any country both cover — including that
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// country's heavier bands, which must not leak in from the later one.
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const auto merged = Server::ParseSendcloudMethods(R"({"shipping_methods":[
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{"name":"DPD Home","min_weight":"0.001","max_weight":"10.000","countries":[
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{"iso_2":"NL","price":7.13},{"iso_2":"DE","price":10.49}]},
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{"name":"PostNL Parcels non-EU","min_weight":"0.001","max_weight":"2.000",
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"countries":[
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{"iso_2":"CA","price":23.95},{"iso_2":"US","price":17.94},
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{"iso_2":"DE","price":99.99}]},
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{"name":"PostNL Parcels non-EU","min_weight":"2.000","max_weight":"20.000",
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"countries":[{"iso_2":"CA","price":48.10},{"iso_2":"DE","price":99.99}]}]})",
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"DPD Home, PostNL Parcels non-EU");
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Check(merged.Find("NL", 700) == 713 && merged.Find("CA", 700) == 2395,
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"sendcloud: merged table covers both filters");
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Check(merged.Find("CA", 5000) == 4810, "sendcloud: heavier band from the later filter");
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Check(merged.Find("DE", 700) == 1049,
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"sendcloud: earlier filter wins a shared country");
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Check(merged.Find("DE", 12000) == 0,
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"sendcloud: and owns it outright — no band from the loser");
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Check(merged.method == "DPD Home + PostNL Parcels non-EU",
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"sendcloud: merged method names recorded, deduplicated per band");
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// Two services under one filter publishing the same ceiling: the
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// cheaper is the only sensible quote, since both carry the parcel.
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const auto dup = Server::ParseSendcloudMethods(R"({"shipping_methods":[
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{"name":"DPD Home","min_weight":"0.001","max_weight":"10.000",
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"countries":[{"iso_2":"NL","price":9.00}]},
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{"name":"DPD Home Signed","min_weight":"0.001","max_weight":"10.000",
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"countries":[{"iso_2":"NL","price":7.50}]}]})", "DPD Home");
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Check(dup.Find("NL", 700) == 750, "sendcloud: duplicate band keeps the cheaper");
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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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