edward/paddington-eurostar
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Clarify missing Eurostar price states

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This commit is contained in:
Edward Betts 2026-05-26 12:55:32 +01:00
parent ed8a5626a4
commit 2b475aa726
4 changed files with 122 additions and 6 deletions
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38
templates/results.html
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@ -148,6 +148,7 @@
let ADVANCE_STREAM_URLS = {{ advance_stream_urls_json | safe }};
const TIMETABLE_REFRESH_URL = {{ timetable_refresh_url|tojson }};
const HAS_PROVISIONAL_TIMETABLE = {{ 'true' if provisional_timetable else 'false' }};
let eurostarRefreshPending = HAS_PROVISIONAL_TIMETABLE && !!TIMETABLE_REFRESH_URL && !!window.EventSource;
let cachedAdvanceFares = ADVANCE_FARES;
let currentNrClasses = {{ nr_classes_json | safe }};
let currentEsClasses = {{ es_classes_json | safe }};
@ -260,11 +261,34 @@
var row = TRIP_FARES[rowKey];
if (rowKey !== key && row.eurostar_key !== key) continue;
if (prices[key].es_standard) row.es_standard = prices[key].es_standard;
if (prices[key].es_standard_status !== undefined) row.es_standard_status = prices[key].es_standard_status;
if (prices[key].es_plus) row.es_plus = prices[key].es_plus;
if (prices[key].es_plus_status !== undefined) row.es_plus_status = prices[key].es_plus_status;
}
}
}
function eurostarMissingText(row, esClass) {
var status = esClass === 'standard' ? row.es_standard_status : row.es_plus_status;
if (status === 'sold_out') return 'Eurostar sold out';
if (status === 'price_not_returned') return 'No Eurostar price returned';
return 'No Eurostar price returned';
}
function eurostarMissingTitle(row, esClass) {
var status = esClass === 'standard' ? row.es_standard_status : row.es_plus_status;
if (status === 'sold_out') return 'Eurostar returned 0 seats at this price for the selected class.';
if (status === 'price_not_returned') return 'Eurostar returned this service without a price for the selected class.';
return 'Eurostar did not return a price for the selected class. Check eurostar.com.';
}
function eurostarMissingFareHtml(row, esClass) {
var status = esClass === 'standard' ? row.es_standard_status : row.es_plus_status;
if (eurostarRefreshPending && !status) return '<span class="text-sm text-muted">checking</span>';
if (status === 'sold_out') return '<span class="text-sm text-muted">sold out</span>';
return '<span class="text-sm text-muted">\u2013</span>';
}
function sectionNeedsAdvance(sectionId) {
var nrClass = currentNrClasses[sectionId] || 'walkon';
for (var key in TRIP_FARES) {
@ -401,11 +425,11 @@
var esStdEl = tr.querySelector('.es-standard');
var esPlusEl = tr.querySelector('.es-plus');
if (esStdEl) {
esStdEl.innerHTML = '<span class="text-xs text-muted">Std</span> ' + (row.es_standard ? fareHtml(row.es_standard) : '<span class="text-sm text-muted">\u2013</span>');
esStdEl.innerHTML = '<span class="text-xs text-muted">Std</span> ' + (row.es_standard ? fareHtml(row.es_standard) : eurostarMissingFareHtml(row, 'standard'));
esStdEl.classList.toggle('fare-inactive', esClass !== 'standard');
}
if (esPlusEl) {
esPlusEl.innerHTML = '<span class="text-xs text-muted">SP</span> ' + (row.es_plus ? fareHtml(row.es_plus) : '<span class="text-sm text-muted">\u2013</span>');
esPlusEl.innerHTML = '<span class="text-xs text-muted">SP</span> ' + (row.es_plus ? fareHtml(row.es_plus) : eurostarMissingFareHtml(row, 'plus'));
esPlusEl.classList.toggle('fare-inactive', esClass !== 'plus');
}
@ -426,8 +450,10 @@
totalSpan.innerHTML = '';
} else if (!nrFare) {
totalSpan.innerHTML = '<span class="text-xs text-muted" title="National Rail fare data is not available for this service">NR fare not available</span>';
} else if (eurostarRefreshPending) {
totalSpan.innerHTML = '<span class="text-xs text-muted" title="Checking exact Eurostar data for this service">Checking Eurostar price</span>';
} else {
totalSpan.innerHTML = '<span class="text-xs text-muted" title="No Eurostar price found for this service — it may be sold out in the selected class. Check eurostar.com.">No Eurostar price</span>';
totalSpan.innerHTML = '<span class="text-xs text-muted" title="' + eurostarMissingTitle(row, esClass) + ' Check eurostar.com.">' + eurostarMissingText(row, esClass) + '</span>';
}
}
});
@ -620,6 +646,8 @@
function startTimetableRefresh() {
if (!HAS_PROVISIONAL_TIMETABLE || !TIMETABLE_REFRESH_URL || !window.EventSource) return;
eurostarRefreshPending = true;
updateDisplay();
var source = new EventSource(TIMETABLE_REFRESH_URL);
source.onmessage = function(event) {
var msg = JSON.parse(event.data);
@ -633,11 +661,15 @@
mergeWalkonFares(msg.section, msg.fares);
updateDisplay();
} else if (msg.type === 'done' || msg.type === 'error') {
eurostarRefreshPending = false;
source.close();
updateDisplay();
}
};
source.onerror = function() {
eurostarRefreshPending = false;
source.close();
updateDisplay();
};
}