all_missing_uplifts.js

let crashesFile, crashes;
let options = {
  channel: {
    value: null,
    type: "option",
  },
  wontfix: {
    value: null,
    type: "select",
  },
};

function getOption(name) {
  return options[name].value;
}

function getOptionType(name) {
  return options[name].type;
}

function setOption(name, value) {
  return (options[name].value = value);
}

let onLoad = new Promise(function (resolve, reject) {
  window.onload = resolve;
});

function agoString(val, str) {
  return val + " " + (val == 1 ? str : str + "s") + " ago";
}

function prettyDate(date) {
  date = new Date(date);
  let today = new Date();

  let hoursDiff = Math.round((today.getTime() - date.getTime()) / 3600000);
  if (hoursDiff < 24) {
    return agoString(hoursDiff, "hour");
  }

  let daysDiff = Math.round((today.getTime() - date.getTime()) / 86400000);
  if (daysDiff < 10) {
    return agoString(daysDiff, "day");
  }

  let weeksDiff = Math.round(
    (today.getTime() - date.getTime()) / (7 * 86400000)
  );
  if (weeksDiff < 3) {
    return agoString(weeksDiff, "week");
  }

  let monthsDiff =
    today.getMonth() +
    12 * today.getFullYear() -
    (date.getMonth() + 12 * date.getFullYear());
  if (monthsDiff < 12) {
    return agoString(monthsDiff, "month");
  }

  return agoString(today.getFullYear() - date.getFullYear(), "year");
}

function fetchWithRetry(url, trials = 0) {
  return fetch(url)
    .then((response) => {
      if (!response.ok) {
        throw new Error("Error while getting " + url);
      } else {
        return response;
      }
    })
    .catch((error) => {
      let timeout = Math.pow(2, trials) * 1000;

      if (timeout > 32000) {
        timeout = 32000;
      }

      if (trials > 64) {
        throw error;
      }

      return new Promise(function (resolve, reject) {
        setTimeout(() => {
          fetchWithRetry(url, trials + 1).then(resolve, reject);
        }, timeout);
      });
    });
}

async function getVersion(channel) {
  let response = await fetchWithRetry(
    "https://product-details.mozilla.org/1.0/firefox_versions.json"
  );
  let data = await response.json();

  if (channel == "beta") {
    return data["LATEST_FIREFOX_DEVEL_VERSION"];
  } else if (channel == "release") {
    return data["LATEST_FIREFOX_VERSION"];
  }

  throw new Error("Unknown channel!");
}

function getMajor(version) {
  return Number(version.substring(0, version.indexOf(".")));
}

function getFixedIn(bug, version) {
  let statuses = ["", "---", "?", "fix-optional", "affected"];
  if (getOption("wontfix")) {
    statuses.push("wontfix");
  }

  if (!statuses.includes(bug["cf_status_firefox" + version])) {
    return [];
  }

  let versionEnd = version;
  if (getOption("channel") == "beta") {
    versionEnd += 2;
  } else if (getOption("channel") == "release") {
    versionEnd += 3;
  }

  let fixedIn = [];
  for (version += 1; version <= versionEnd; version++) {
    if (
      bug["cf_status_firefox" + version] === "fixed" ||
      bug["cf_status_firefox" + version] === "verified"
    ) {
      fixedIn.push(version);
    }
  }

  return fixedIn;
}

function addRow(bug, version) {
  let table = document.getElementById("table");

  let row = table.insertRow(table.rows.length);

  let today = new Date();
  let three_days_ago = new Date().setDate(today.getDate() - 3);
  let ten_days_ago = new Date().setDate(today.getDate() - 10);
  let bug_elem = row.insertCell(0);

  let fixedIn = getFixedIn(bug, version);

  let bugLink = document.createElement("a");
  bugLink.appendChild(
    document.createTextNode(
      bug.id +
        " - " +
        "Fixed in " +
        fixedIn.join(", ") +
        ", '" +
        bug["cf_status_firefox" + version] +
        "' in " +
        version +
        "."
    )
  );
  bugLink.title =
    (bug.resolution ? bug.resolution + " - " : "") +
    "Last activity: " +
    prettyDate(bug.last_change_time);
  bugLink.href = "https://bugzilla.mozilla.org/show_bug.cgi?id=" + bug.id;

  let bugDate = new Date(bug.last_change_time);
  if (bugDate > three_days_ago) {
    bugLink.style.color = "green";
  } else if (bugDate > ten_days_ago) {
    bugLink.style.color = "orange";
  } else {
    bugLink.style.color = "red";
  }

  bug_elem.appendChild(bugLink);

  let signatures_elem = row.insertCell(1);
  bug["signatures"].forEach((signature) => {
    let signature_link = document.createElement("a");
    signature_link.appendChild(document.createTextNode(signature));
    signature_link.href =
      "https://crash-stats.mozilla.org/signature/?signature=" +
      encodeURIComponent(signature);
    signatures_elem.appendChild(signature_link);
    signatures_elem.appendChild(document.createElement("br"));
  });

  let crashes_count = row.insertCell(2);
  crashes_count.appendChild(document.createTextNode(bug["crashes_count"]));
}

function buildTable() {
  return getVersion(getOption("channel")).then((full_version) => {
    let version = getMajor(full_version);
    let versionEnd = version;
    if (getOption("channel") == "beta") {
      versionEnd += 1;
    } else if (getOption("channel") == "release") {
      versionEnd += 2;
    }

    let query =
      "https://bugzilla.mozilla.org/rest/bug?f1=cf_crash_signature&o1=isnotempty&";
    let fieldNum = 2;

    query += "j" + fieldNum + "=AND&f" + fieldNum + "=OP&";
    fieldNum++;

    query +=
      "f" +
      fieldNum +
      "=cf_status_firefox" +
      version +
      "&o" +
      fieldNum +
      "=notequals&v" +
      fieldNum +
      "=fixed&";
    fieldNum++;
    query +=
      "f" +
      fieldNum +
      "=cf_status_firefox" +
      version +
      "&o" +
      fieldNum +
      "=notequals&v" +
      fieldNum +
      "=verified&";
    fieldNum++;
    query +=
      "f" +
      fieldNum +
      "=cf_status_firefox" +
      version +
      "&o" +
      fieldNum +
      "=notequals&v" +
      fieldNum +
      "=unaffected&";
    fieldNum++;
    if (!getOption("wontfix")) {
      query +=
        "f" +
        fieldNum +
        "=cf_status_firefox" +
        version +
        "&o" +
        fieldNum +
        "=notequals&v" +
        fieldNum +
        "=wontfix&";
      fieldNum++;
    }

    query += "f" + fieldNum + "=CP&";
    fieldNum++;

    query += "j" + fieldNum + "=OR&f" + fieldNum + "=OP&";
    fieldNum++;

    for (v = version + 1; v <= versionEnd; v++) {
      query += "j" + fieldNum + "=OR&f" + fieldNum + "=OP&";
      fieldNum++;
      query +=
        "f" +
        fieldNum +
        "=cf_status_firefox" +
        v +
        "&o" +
        fieldNum +
        "=equals&v" +
        fieldNum +
        "=verified&";
      fieldNum++;
      query +=
        "f" +
        fieldNum +
        "=cf_status_firefox" +
        v +
        "&o" +
        fieldNum +
        "=equals&v" +
        fieldNum +
        "=fixed&";
      fieldNum++;
      query += "f" + fieldNum + "=CP&";
      fieldNum++;
    }
    query += "f" + fieldNum + "=CP&";
    fieldNum++;

    query += "include_fields=id,last_change_time,cf_crash_signature";
    for (v = version; v <= versionEnd; v++) {
      query += ",cf_status_firefox" + v;
    }

    return fetchWithRetry(query)
      .then((response) => response.json())
      .then((data) => data["bugs"])
      .then((bugs) =>
        Promise.all(
          bugs.map((bug) => {
            let signatures = bug["cf_crash_signature"]
              .split(/\s*]\s*/)
              .map((signature) => signature.substring(2).trim());
            signatures = signatures.filter((signature) => signature != "");

            let count = 0;

            return Promise.all(
              signatures.map((signature) =>
                fetchWithRetry(
                  "https://crash-stats.mozilla.org/api/SuperSearch/?version=" +
                    full_version +
                    "&signature=%3D" +
                    encodeURIComponent(signature) +
                    "&product=Firefox&_results_number=0&_facets_size=0"
                )
                  .then((response) => response.json())
                  .then((result) => {
                    count += result["total"];
                  })
              )
            ).then(() => {
              bug["signatures"] = signatures;
              bug["crashes_count"] = count;
              return bug;
            });
          })
        )
      )
      .then((bugs) => bugs.filter((bug) => bug["crashes_count"] > 0))
      .then((bugs) =>
        bugs.sort((a, b) => b["crashes_count"] - a["crashes_count"])
      )
      .then((bugs) => bugs.forEach((bug) => addRow(bug, version)));
  });
}

function startSpinner() {
  document.getElementById("spin").style.display = "";
  document.getElementById("table").style.display = "none";
}

function stopSpinner() {
  document.getElementById("spin").style.display = "none";
  document.getElementById("table").style.display = "";
}

function reloadPage() {
  let url = new URL(location.href);
  url.search = "?channel=" + getOption("channel");
  window.location = url;
}

onLoad
  .then(() => startSpinner())
  .then(() => {
    let queryVars = new URL(location.href).search.substring(1).split("&");

    Object.keys(options).forEach(function (optionName) {
      let optionType = getOptionType(optionName);
      let elem = document.getElementById(optionName);

      for (let queryVar of queryVars) {
        if (queryVar.startsWith(optionName + "=")) {
          let option = queryVar.substring((optionName + "=").length).trim();
          setOption(optionName, option);
        }
      }

      if (optionType === "select") {
        if (getOption(optionName)) {
          elem.checked = getOption(optionName);
        }

        setOption(optionName, elem.checked);

        elem.onchange = function () {
          setOption(optionName, elem.checked);
          reloadPage();
        };
      } else if (optionType === "option") {
        if (getOption(optionName)) {
          for (let i = 0; i < elem.options.length; i++) {
            if (elem.options[i].value === getOption(optionName)) {
              elem.selectedIndex = i;
              break;
            }
          }
        }

        setOption(optionName, elem.options[elem.selectedIndex].value);

        elem.onchange = function () {
          setOption(optionName, elem.options[elem.selectedIndex].value);
          reloadPage();
        };
      } else if (optionType === "button") {
        if (getOption(optionName)) {
          elem.value = getOption(optionName);
        }

        setOption(optionName, elem.value);

        document.getElementById(optionName + "Button").onclick = function () {
          setOption(optionName, elem.value);
          reloadPage();
        };
      } else {
        throw new Error("Unexpected option type.");
      }
    });
  })
  .then(() => buildTable())
  .then(() => stopSpinner())
  .catch((err) => console.error(err));