From 7cb8327dcadcaf0a266af08a2fc0feed0d410b10 Mon Sep 17 00:00:00 2001
From: Patrick Wendell <pwendell@apache.org>
Date: Thu, 11 Sep 2014 21:06:59 +0000
Subject: New format for downloads page.

---
 js/downloads.js | 148 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 148 insertions(+)
 create mode 100644 js/downloads.js

(limited to 'js/downloads.js')

diff --git a/js/downloads.js b/js/downloads.js
new file mode 100644
index 000000000..4431da591
--- /dev/null
+++ b/js/downloads.js
@@ -0,0 +1,148 @@
+// Script for generating Spark download links
+// No dependencies; pure javascript.
+
+releases = {};
+
+function addRelease(version, releaseDate, packages, downloadable) {
+  releases[version] = {released: releaseDate, packages: packages, downloadable: downloadable};
+}
+
+var sources = ["sources"];
+var packagesV1 = sources.concat(["hadoop1", "cdh4"]);
+var packagesV2 = packagesV1.concat(["hadoop2"]);
+var packagesV3 = packagesV2.concat(["mapr3", "mapr4"]);
+
+addRelease("1.0.2", new Date(2014, 8, 5), packagesV3, true);
+addRelease("1.0.1", new Date(2014, 7, 11), packagesV3);
+addRelease("1.0.0", new Date(2014, 5, 30), packagesV2);
+addRelease("0.9.2", new Date(2014, 7, 23), packagesV2, true);
+addRelease("0.9.1", new Date(2014, 4, 9), packagesV2);
+addRelease("0.9.0-incubating", new Date(2014, 2, 2), packagesV2);
+addRelease("0.8.1-incubating", new Date(2013, 12, 19), packagesV2, true);
+addRelease("0.8.0-incubating", new Date(2013, 9, 25), packagesV1, true);
+addRelease("0.7.3", new Date(2013, 7, 16), packagesV1, true);
+addRelease("0.7.2", new Date(2013, 6, 2), packagesV1);
+addRelease("0.7.0", new Date(2013, 2, 27), sources);
+
+function append(el, contents) {
+  el.innerHTML = el.innerHTML + contents;
+};
+
+function empty(el) {
+  el.innerHTML = "";
+}
+
+function getSelectedValue(selectEl) {
+  return selectEl.options[selectEl.selectedIndex].value;
+}
+
+function versionShort(version) { return version.replace(/-incubating/, ""); }
+
+function initDownloads() {
+  var versionSelect = document.getElementById("sparkVersionSelect");
+
+  // Populate versions
+  for (var version in releases) {
+    var releaseDate = releases[version].released;
+    var downloadable = releases[version].downloadable;
+
+    if (!downloadable) { continue; }
+
+    // Don't display incubation status here
+    var title = versionShort(version) + " (" + releaseDate.toDateString().slice(4) + ")";
+    append(versionSelect, "<option value=\"" + version + "\">" + title + "</option>");
+  }
+
+  // Populate packages and (transitively) releases
+  onVersionSelect();
+}
+
+function initReleaseNotes() {
+  var releaseNotes = document.getElementById("sparkReleaseNotes");
+  for (var version in releases) {
+    var releaseDate = releases[version].released;
+    var verShort = versionShort(version);
+    var contents = "<li><a href='releases/spark-release-$verUrl.html'>Spark $ver</a> ($date)</li>"
+      .replace(/\$verUrl/, verShort.replace(/\./g, "-"))
+      .replace(/\$ver/, verShort)
+      .replace(/\$date/, releaseDate.toDateString().slice(4))
+    append(releaseNotes, contents);
+  }
+}
+
+function onVersionSelect() {
+  var versionSelect = document.getElementById("sparkVersionSelect");
+  var packageSelect = document.getElementById("sparkPackageSelect");
+  var verifyLink = document.getElementById("sparkDownloadVerify");
+
+  empty(packageSelect);
+  empty(verifyLink);
+
+  var version = getSelectedValue(versionSelect);
+  var packages = releases[version]["packages"];
+  for (var idx in packages) {
+    append(packageSelect, "<option>" + packages[idx] + "</option>")
+  }
+
+  var href = "http://www.apache.org/dist/spark/spark-" + version + "/";
+  var link = "<a href=\"" + href + "\">" + versionShort(version) + " signatures and checksums</a>"
+  append(verifyLink, link);
+
+  // Populate releases
+  onPackageSelect();
+  updateDownloadLink();
+}
+
+function onPackageSelect() {
+  var downloadSelect = document.getElementById("sparkDownloadSelect");
+  var packageSelect = document.getElementById("sparkPackageSelect");
+
+  empty(downloadSelect);
+
+  var pkg = getSelectedValue(packageSelect);
+
+  if (pkg.toLowerCase().indexOf("mapr") > -1) {
+    var external = "External Download (MAY CONTAIN INCOMPATIBLE LICENSES)";
+    append(downloadSelect, "<option value='external'>" + external + "</option>");
+  } else {
+    append(downloadSelect, "<option value='direct'>Direct Download</option>")
+    append(downloadSelect, "<option value='apache'>Select Apache Mirror</option>")
+  }
+  updateDownloadLink();
+}
+
+function onDownloadSelect() {
+  updateDownloadLink();
+}
+
+function updateDownloadLink() {
+  var versionSelect = document.getElementById("sparkVersionSelect");
+  var packageSelect = document.getElementById("sparkPackageSelect");
+  var downloadSelect = document.getElementById("sparkDownloadSelect");
+  var downloadLink = document.getElementById("spanDownloadLink");
+
+  empty(downloadLink);
+
+  var version = getSelectedValue(versionSelect);
+  var pkg = getSelectedValue(packageSelect);
+  var download = getSelectedValue(downloadSelect);
+
+  var link = "http://d3kbcqa49mib13.cloudfront.net/spark-$ver-bin-$pkg.tgz";
+  if (version <= "0.7.3") {
+    link = "http://spark-project.org/download/spark-$ver-bin-$pkg.tgz";
+  }
+  if (pkg.toLowerCase().indexOf("mapr") > -1) {
+    link = "http://package.mapr.com/tools/apache-spark/$ver/spark-$ver-bin-$pkg.tgz"
+  } else if (download == "apache") {
+    link = "http://www.apache.org/dyn/closer.cgi/spark/spark-$ver/spark-$ver-bin-$pkg.tgz";
+  }
+  link = link.replace(/\$ver/g, version).replace(/\$pkg/g, pkg);
+
+  // Sources are handled as a special case here, since they don't follow the bin-[package] syntax
+  link = link.replace(/-bin-sources/, "");
+
+  var text = link.split("/").reverse()[0];
+
+  var contents = "<a href=\"" + link + "\">" + text + "</a>";
+  append(downloadLink, contents);
+}
-- 
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