TeachingMatrix/index.html at main · UTA-DataScience/TeachingMatrix · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Teaching Matrix — Editor</title>
<link rel="stylesheet" href="matrix.css">
<script src="matrix-common.js"></script>
</head>
<body>
<header class="app">
  <h1>📊 Teaching Matrix</h1>
  <nav class="tabs">
    <button id="tab-edit" class="active">View &amp; Edit</button>
    <button id="tab-track">My Requests</button>
  </nav>
  <span class="who" id="who"></span>
</header>
<main>
  <!-- connection / sign-in -->
  <section class="card" id="connect-card">
    <div class="row">
      <strong>Repository:</strong> <span id="repo-label" class="note">detecting…</span>
      <button class="btn" id="repo-change">change</button>
      <span style="flex:1"></span>
      <input type="password" id="token-input" placeholder="GitHub personal access token" size="34">
      <button class="btn primary" id="signin">Sign in</button>
      <button class="btn" id="signout" hidden>Sign out</button>
    </div>
    <div class="note" style="margin-top:6px">
      Create a <b>fine-grained personal access token</b> at
      GitHub → Settings → Developer settings → Fine-grained tokens with
      <b>Resource owner = the organization that owns this repo</b> (not your personal account),
      scoped to this repository, with <b>Contents: Read &amp; write</b> and <b>Pull requests: Read &amp; write</b>.
      If the organization doesn't appear as a resource owner, it hasn't enabled fine-grained tokens —
      use a <b>classic token</b> (scope: <code>repo</code>) instead. The token stays in your browser
      (localStorage) and is only ever sent to api.github.com.
    </div>
    <div id="connect-msg"></div>
  </section>

  <!-- EDIT TAB -->
  <div id="pane-edit">
    <section class="card">
      <div class="row">
        <label>Matrix: <select id="dataset"></select></label>
        <input type="text" id="filter" placeholder="filter topics…" size="24">
        <button class="btn" id="add-course">＋ Add course</button>
        <button class="btn" id="add-topic">＋ Add topic</button>
        <button class="btn" id="undo" disabled title="Undo last change (Cmd/Ctrl+Z)">↩ Undo</button>
        <span style="flex:1"></span>
        <span class="legend">
          <span><span class="chip" style="background:var(--e)"></span>E emphasized</span>
          <span><span class="chip" style="background:var(--d)"></span>D developed</span>
          <span><span class="chip" style="background:var(--i)"></span>I introduced</span>
          <span>click a cell to cycle · blank → I → D → E</span>
        </span>
      </div>
    </section>
    <div class="matrix-wrap" id="matrix-container"><div style="padding:30px" class="note">Sign in (or view a public repo) to load the matrix…</div></div>

    <section class="card" id="changes-card" hidden>
      <div class="row">
        <strong id="changes-count"></strong>
        <span style="flex:1"></span>
        <button class="btn" id="discard-all">Discard all</button>
        <button class="btn primary" id="submit">Submit as Pull Request…</button>
      </div>
      <ul class="changes" id="changes-list"></ul>
      <div id="submit-msg"></div>
    </section>
  </div>

  <!-- TRACK TAB -->
  <div id="pane-track" hidden>
    <section class="card">
      <div class="row">
        <strong>Change requests</strong>
        <label><input type="checkbox" id="mine-only" checked> only mine</label>
        <label><select id="pr-state"><option value="open">open</option><option value="all">all</option></select></label>
        <button class="btn" id="refresh-prs">Refresh</button>
      </div>
    </section>
    <div class="prlist" id="pr-list"><div class="note">Sign in to see your requests.</div></div>
  </div>
</main>

<dialog id="dlg-submit">
  <h3 style="margin-top:0">Submit change request</h3>
  <div class="note" id="dlg-summary"></div>
  <div class="row"><input type="text" id="pr-title" size="42" placeholder="Title"></div>
  <div class="row"><input type="text" id="pr-note" size="42" placeholder="Optional note for the maintainers"></div>
  <div class="row">
    <span style="flex:1"></span>
    <button class="btn" id="dlg-cancel">Cancel</button>
    <button class="btn primary" id="dlg-go">Create pull request</button>
  </div>
  <div id="dlg-msg"></div>
</dialog>

<script>
"use strict";
let cfg, me = null, ds = null;          // config, signed-in user, active dataset
let base = null,  work = null;          // base matrix (from repo), working copy
let baseSha = null, baseCommitSha = null;
const edits = new Map();                // "key\x1fcol" -> new value (cell edits only)
const newRows = new Set(), newCols = new Set();
const undoStack = [];                   // [{type:"edit"|"workcell"|"addcol"|"addrow", ...}]

const $ = id => document.getElementById(id);
const msg = (id, text, cls) => { $(id).innerHTML = ""; if (text) $(id).append(el("div", { class: cls || "note" }, text)); };

/* ---------- init ---------- */
(async function init() {
  cfg = await loadConfig();
  $("repo-label").textContent = cfg.owner && cfg.repo ? `${cfg.owner}/${cfg.repo} @ ${cfg.baseBranch}` : "not configured";
  for (const d of cfg.datasets) $("dataset").append(el("option", { value: d.id }, d.label));
  ds = cfg.datasets[0];
  GH.token = Settings.token;
  if (GH.token) { $("token-input").value = "••••••••••••"; await signIn(true); }
  else await loadMatrix();              // public repos work read-only without a token
})();

$("repo-change").onclick = () => {
  const v = prompt("Repository (owner/repo):", cfg.owner && cfg.repo ? `${cfg.owner}/${cfg.repo}` : "");
  if (v === null) return;
  Settings.repoOverride = v.trim();
  location.reload();
};
$("signin").onclick = () => signIn(false);
$("signout").onclick = () => { Settings.token = ""; location.reload(); };

async function signIn(silent) {
  const t = $("token-input").value.trim();
  if (!silent && t && !t.startsWith("•")) { GH.token = t; Settings.token = t; }
  try {
    me = await GH.user();
    $("who").textContent = "";
    $("who").append(el("img", { src: me.avatar_url, width: "22", height: "22", style: "border-radius:50%" }), me.login);
    $("signin").hidden = true; $("signout").hidden = false;
    msg("connect-msg", "");
    await loadMatrix();
  } catch (e) {
    if (!silent) msg("connect-msg", "Sign-in failed: " + e.message, "err");
    GH.token = null;
  }
}

/* ---------- matrix load & render ---------- */
$("dataset").onchange = async () => {
  if (edits.size + newRows.size + newCols.size > 0 &&
      !confirm("Switching matrices discards your unsubmitted edits. Continue?")) {
    $("dataset").value = ds.id; return;
  }
  ds = cfg.datasets.find(d => d.id === $("dataset").value);
  clearEdits(); await loadMatrix();
};

async function loadMatrix() {
  if (!cfg.owner || !cfg.repo) { $("matrix-container").innerHTML = '<div style="padding:30px" class="err">Repository not configured — click "change".</div>'; return; }
  try {
    const br = await GH.branch(cfg.owner, cfg.repo, cfg.baseBranch);
    baseCommitSha = br.commit.sha;
    const f = await GH.fileAt(cfg.owner, cfg.repo, ds.path, cfg.baseBranch);
    baseSha = f.sha;
    base = toMatrix(CSV.parse(f.text), ds.keyCols);
    work = cloneMatrix(base);
    render();
  } catch (e) {
    $("matrix-container").innerHTML = "";
    $("matrix-container").append(el("div", { style: "padding:30px" },
      el("div", { class: "err" }, "Could not load matrix: " + e.message),
      el("div", { class: "note" }, "For a private repository you must sign in with a token first.")));
  }
}

function render() {
  const table = renderMatrix($("matrix-container"), work, {
    editable: !!me, edits, newRows, newCols,
    onCell: cycleCell,
  });
  applyFilter(table);
  refreshChangesPanel();
  $("undo").disabled = undoStack.length === 0;
}
$("filter").oninput = () => { const t = document.querySelector("#matrix-container table"); if (t) applyFilter(t); };
function applyFilter(table) {
  const q = $("filter").value.trim().toLowerCase();
  for (const tr of table.querySelectorAll("tbody tr")) {
    if (tr.classList.contains("cat-row")) continue;
    tr.hidden = q && !tr.textContent.toLowerCase().includes(q);
  }
}

function cycleCell(key, col) {
  const ek = key + "\x1f" + col;
  const orig = cellValue(base, key, col);
  const cur = edits.has(ek) ? edits.get(ek) : cellValue(work, key, col);
  const order = cfg.levels;
  const next = order[(order.indexOf(cur) + 1) % order.length];
  // new rows/cols live directly in `work`; existing cells go through `edits`
  if (newRows.has(key) || newCols.has(col)) {
    undoStack.push({ type: "workcell", key, col, prev: cellValue(work, key, col) });
    setCell(work, key, col, next);
  } else {
    undoStack.push({ type: "edit", ek, prev: edits.has(ek) ? edits.get(ek) : null });
    if (next === orig) edits.delete(ek);
    else edits.set(ek, next);
  }
  render();
}
function cellValue(m, key, col) {
  const r = m.rows.find(r => rowKey(m, r) === key);
  const i = m.header.indexOf(col);
  return r && i >= 0 ? (r[i] || "").trim() : "";
}
function setCell(m, key, col, v) {
  const r = m.rows.find(r => rowKey(m, r) === key);
  const i = m.header.indexOf(col);
  if (r && i >= 0) r[i] = v;
}

/* ---------- add course / topic ---------- */
$("add-course").onclick = () => {
  if (!me) return alert("Sign in first.");
  const name = prompt('New course column name (e.g. "ASDS 6307"):');
  if (!name) return;
  const n = name.trim();
  if (work.header.includes(n)) return alert("That column already exists.");
  work.header.push(n);
  for (const r of work.rows) r.push("");
  newCols.add(n);
  undoStack.push({ type: "addcol", name: n });
  render();
};
$("add-topic").onclick = () => {
  if (!me) return alert("Sign in first.");
  const cat = prompt("Category (exactly as shown on a category bar, or a new one):");
  if (!cat) return;
  const keyParts = [cat.trim()];
  for (let i = 1; i < work.keyN; i++) {
    const label = work.header[i];
    const v = prompt(`${label}:`);
    if (!v) return;
    keyParts.push(v.trim());
  }
  const row = [...keyParts, ...Array(work.header.length - work.keyN).fill("")];
  const key = rowKey(work, row);
  if (work.rows.some(r => rowKey(work, r) === key)) return alert("That topic already exists.");
  // insert at end of its category group (or append if new category)
  let at = work.rows.length;
  for (let i = work.rows.length - 1; i >= 0; i--)
    if (work.rows[i][0] === keyParts[0]) { at = i + 1; break; }
  work.rows.splice(at, 0, row);
  newRows.add(key);
  undoStack.push({ type: "addrow", key });
  render();
};

/* ---------- changes panel ---------- */
function currentDiff() {
  const target = cloneMatrix(work);
  for (const [ek, v] of edits) {
    // rowKey itself contains \x1f separators, so split on the LAST one (col names can't contain it)
    const i = ek.lastIndexOf("\x1f");
    setCell(target, ek.slice(0, i), ek.slice(i + 1), v);
  }
  return { target, diff: diffMatrices(base, target) };
}
function refreshChangesPanel() {
  const { diff } = currentDiff();
  const n = diff.cells.length + diff.addedRows.length + diff.addedCols.length;
  $("changes-card").hidden = n === 0;
  if (!n) return;
  $("changes-count").textContent = `${n} pending change${n > 1 ? "s" : ""}`;
  const ul = $("changes-list"); ul.textContent = "";
  for (const c of diff.addedCols) ul.append(el("li", {}, `＋ course column “${c}”`));
  for (const rname of diff.addedRows) ul.append(el("li", {}, `＋ topic “${rname}”`));
  for (const c of diff.cells) {
    const li = el("li", {}, `${c.label} × ${c.col}: ${c.old || "·"} → ${c.new || "·"}`);
    const ek = c.key + "\x1f" + c.col;
    if (edits.has(ek)) li.append(el("span", { class: "revert", title: "revert", onclick: () => { edits.delete(ek); render(); } }, "✕"));
    ul.append(li);
  }
}
$("discard-all").onclick = () => { if (confirm("Discard all pending edits?")) { clearEdits(); work = cloneMatrix(base); render(); } };
function clearEdits() { edits.clear(); newRows.clear(); newCols.clear(); undoStack.length = 0; }

/* ---------- undo ---------- */
function undo() {
  const op = undoStack.pop();
  if (!op) return;
  if (op.type === "edit") {
    if (op.prev === null) edits.delete(op.ek);
    else edits.set(op.ek, op.prev);
  } else if (op.type === "workcell") {
    setCell(work, op.key, op.col, op.prev);
  } else if (op.type === "addcol") {
    const i = work.header.indexOf(op.name);
    if (i >= 0) { work.header.splice(i, 1); for (const r of work.rows) r.splice(i, 1); }
    newCols.delete(op.name);
  } else if (op.type === "addrow") {
    const i = work.rows.findIndex(r => rowKey(work, r) === op.key);
    if (i >= 0) work.rows.splice(i, 1);
    newRows.delete(op.key);
  }
  render();
}
$("undo").onclick = undo;
document.addEventListener("keydown", e => {
  if ((e.metaKey || e.ctrlKey) && !e.shiftKey && e.key.toLowerCase() === "z") {
    const t = e.target.tagName;
    if (t === "INPUT" || t === "TEXTAREA") return;   // don't hijack text-field undo
    e.preventDefault(); undo();
  }
});

/* ---------- submit PR ---------- */
$("submit").onclick = () => {
  if (!me) return alert("Sign in first.");
  const { diff } = currentDiff();
  const n = diff.cells.length + diff.addedRows.length + diff.addedCols.length;
  $("dlg-summary").textContent = `${n} change(s) to ${ds.label} will be proposed on a new branch and opened as a pull request against ${cfg.baseBranch}.`;
  $("pr-title").value = `Matrix update: ${summaryTitle(diff)}`;
  msg("dlg-msg", "");
  $("dlg-submit").showModal();
};
function summaryTitle(diff) {
  const bits = [];
  if (diff.addedCols.length) bits.push(`add ${diff.addedCols.join(", ")}`);
  if (diff.addedRows.length) bits.push(`${diff.addedRows.length} new topic(s)`);
  if (diff.cells.length) bits.push(`${diff.cells.length} cell(s)`);
  return bits.join(" · ") || "no-op";
}
$("dlg-cancel").onclick = () => $("dlg-submit").close();
$("dlg-go").onclick = async () => {
  const { target, diff } = currentDiff();
  const title = $("pr-title").value.trim() || "Teaching matrix update";
  const note = $("pr-note").value.trim();
  const branch = cfg.branchPrefix + me.login + "-" + Date.now().toString(36);
  $("dlg-go").disabled = true;
  msg("dlg-msg", "Creating branch…");
  try {
    await GH.createBranch(cfg.owner, cfg.repo, branch, baseCommitSha);
    msg("dlg-msg", "Committing CSV…");
    await GH.putFile(cfg.owner, cfg.repo, ds.path, branch, CSV.serialize(matrixRows(target)), title, baseSha);
    msg("dlg-msg", "Opening pull request…");
    let body = changesToMarkdown(ds.label, diff);
    if (note) body = `> ${note}\n\n` + body;
    body += `\n\n<!-- tm-dataset:${ds.id} -->`;
    const pr = await GH.createPR(cfg.owner, cfg.repo, branch, cfg.baseBranch, title, body);
    $("dlg-submit").close();
    clearEdits();
    await loadMatrix();
    msg("submit-msg", "");
    $("submit-msg").append(el("div", { class: "ok" }, "Pull request created: "),
      el("a", { href: pr.html_url, target: "_blank" }, `#${pr.number} — ${pr.title}`));
    showTab("track"); refreshPRs();
  } catch (e) {
    if (e.status === 403 || e.status === 404) {
      $("dlg-msg").innerHTML = "";
      $("dlg-msg").append(
        el("div", { class: "err" }, "GitHub rejected the write (" + e.message + "). Most common causes:"),
        el("ul", { class: "note" },
          el("li", {}, "Your fine-grained token's Resource owner is your personal account — for this org-owned repo it must be the ", el("b", {}, "organization"), ". Re-create the token and pick the org under \u201cResource owner\u201d."),
          el("li", {}, "The organization hasn't enabled fine-grained tokens (org Settings \u2192 Third-party Access \u2192 Personal access tokens). A ", el("b", {}, "classic token"), " with the \u201crepo\u201d scope works regardless."),
          el("li", {}, "You aren't a collaborator on the repository — ask a maintainer to add you with Write access.")));
    } else msg("dlg-msg", "Failed: " + e.message, "err");
  } finally { $("dlg-go").disabled = false; }
};

/* ---------- track tab ---------- */
function showTab(which) {
  $("pane-edit").hidden = which !== "edit";
  $("pane-track").hidden = which !== "track";
  $("tab-edit").classList.toggle("active", which === "edit");
  $("tab-track").classList.toggle("active", which === "track");
}
$("tab-edit").onclick = () => showTab("edit");
$("tab-track").onclick = () => { showTab("track"); refreshPRs(); };
$("refresh-prs").onclick = refreshPRs;
$("mine-only").onchange = refreshPRs;
$("pr-state").onchange = refreshPRs;

async function refreshPRs() {
  const box = $("pr-list");
  box.innerHTML = ""; box.append(el("div", {}, el("span", { class: "spinner" }), " loading…"));
  try {
    const state = $("pr-state").value;
    let prs = await GH.listPRs(cfg.owner, cfg.repo, state === "all" ? "all" : "open");
    prs = prs.filter(p => p.head.ref.startsWith(cfg.branchPrefix));
    if ($("mine-only").checked && me) prs = prs.filter(p => p.user.login === me.login);
    box.textContent = "";
    if (!prs.length) { box.append(el("div", { class: "note" }, "No change requests found.")); return; }
    for (const pr of prs) {
      const card = el("div", { class: "pr" },
        el("h3", {}, prBadge(pr), " ", el("a", { href: pr.html_url, target: "_blank" }, `#${pr.number} ${pr.title}`)),
        el("div", { class: "meta" }, `by ${pr.user.login} · opened ${fmtDate(pr.created_at)}` + (pr.merged_at ? ` · merged ${fmtDate(pr.merged_at)}` : "")));
      box.append(card);
      prStatus(cfg.owner, cfg.repo, pr).then(rs => {
        if (rs) card.querySelector("h3").append(" ", el("span", { class: "badge review" }, rs));
      });
    }
  } catch (e) {
    box.textContent = ""; box.append(el("div", { class: "err" }, "Could not load PRs: " + e.message));
  }
}
</script>
</body>
</html>