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annotate xslt/banner.xslt @ 2846:fdf1464e1977

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Moved banner to the external file to make partial rollout possible. An idea is to have several banners and show them with different probability specified by split directive in the nginx.conf
author Sergey Budnevitch <sb@waeme.net>
date Tue, 10 May 2022 18:07:27 +0400
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fdf1464e1977 Moved banner to the external file to make partial rollout possible.
Sergey Budnevitch <sb@waeme.net>
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1 <?xml version="1.0" encoding="utf-8"?>
fdf1464e1977 Moved banner to the external file to make partial rollout possible.
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2 <!--
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3 Copyright (C) Nginx, Inc.
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4 -->
fdf1464e1977 Moved banner to the external file to make partial rollout possible.
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5
fdf1464e1977 Moved banner to the external file to make partial rollout possible.
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6 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
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7
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8 <xsl:variable select="'/banner/banner.html'" name="BANNER"/>
fdf1464e1977 Moved banner to the external file to make partial rollout possible.
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9
fdf1464e1977 Moved banner to the external file to make partial rollout possible.
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10 <xsl:template name="banner_link">
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11 <xsl:choose><xsl:when test="substring-after($DIRNAME, '/')">
fdf1464e1977 Moved banner to the external file to make partial rollout possible.
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12 <xsl:value-of select=" concat($ROOT, $BANNER) "/>
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13 </xsl:when><xsl:otherwise>
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14 <xsl:value-of select=" substring-after($BANNER, '/') "/>
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15 </xsl:otherwise></xsl:choose>
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16 </xsl:template>
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17
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18 <xsl:template name="banner">
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19
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20 <script>
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21 window.addEventListener("load", function(e) {
fdf1464e1977 Moved banner to the external file to make partial rollout possible.
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22 fetch("<xsl:call-template name="banner_link"/>")
fdf1464e1977 Moved banner to the external file to make partial rollout possible.
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23 .then((response) => response.text())
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24 .then((resp) => {
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25 document.getElementById("banner").innerHTML = resp;
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26 })
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27 .catch((error) => {
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28 console.warn(error);
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29 });
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30 });
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31 </script>
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32
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33 </xsl:template>
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34
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35 </xsl:stylesheet>