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https://github.com/openfoodfoundation/openfoodnetwork
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23aa762be2
This also resolves a race condition scenario. Even if the report gets rendered via websockets before the controller response is rendered then the fallback script loads the report again. It's not the most beautiful but probably okay until we replace websockts altogether. I'm leaving websockets in at the moment because it can render the report much quicker than polling can.
45 lines
1.5 KiB
Plaintext
45 lines
1.5 KiB
Plaintext
.download.hidden
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= link_to t("admin.reports.download.button"), file_url, target: "_blank", class: "button icon icon-file"
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:javascript
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(function () {
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const tryDownload = function() {
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const link = document.querySelector(".download a");
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// If the report was already rendered via web sockets:
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if (link == null) return;
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fetch(link.href).then((response) => {
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if (response.ok) {
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response.blob().then((blob) => blob.text()).then((text) => {
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const loading = document.querySelector(".loading");
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if (loading == null) return;
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loading.remove();
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document.querySelector("#report-go button").disabled = false;
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if (link.href.endsWith(".html")) {
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// This replaces the hidden download button with the report:
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link.parentElement.outerHTML = text;
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} else {
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// Or just show the download button when it's ready:
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document.querySelector(".download").classList.remove("hidden")
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}
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});
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} else {
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setTimeout(tryDownload, 1000);
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}
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});
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}
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/*
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A lot of reports are rendered within 250ms. Others take at least
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2.5 seconds. There's a big gap in between. Observed on:
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https://openfoodnetwork.org.au/admin/sidekiq/metrics/ReportJob?period=8h
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https://openfoodnetwork.org.uk/admin/sidekiq/metrics/ReportJob?period=8h
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https://coopcircuits.fr/admin/sidekiq/metrics/ReportJob?period=8h
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*/
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setTimeout(tryDownload, 250);
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})();
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