Hugging Face's logo

Spaces:
usmar
/
flickpick
Running

App Files Community
flickpick
File size: 8,937 Bytes
3eac850
33f66e0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3eac850
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>flickpick — movie recommender</title>
<style>
  :root {
    --bg: #f4f3ef; --surface: #fcfcfb; --ink: #0b0b0b; --muted: #52514e;
    --line: #e3e1da; --accent: #2a78d6; --accent-ink: #ffffff;
    --bar: #2a78d6; --chip: #e8f0fb; --chip-ink: #1d5cad;
  }
  @media (prefers-color-scheme: dark) {
    :root {
      --bg: #121211; --surface: #1a1a19; --ink: #f4f3ef; --muted: #c3c2b7;
      --line: #33322f; --accent: #3987e5; --accent-ink: #ffffff;
      --bar: #3987e5; --chip: #1e2c40; --chip-ink: #9dc2f2;
    }
  }
  * { box-sizing: border-box; margin: 0; }
  body {
    background: var(--bg); color: var(--ink);
    font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    display: flex; justify-content: center; padding: 28px 16px 48px;
  }
  main { width: 100%; max-width: 680px; }
  header { margin-bottom: 18px; }
  .wordmark { font-size: 26px; font-weight: 800; letter-spacing: -0.5px; }
  .wordmark span { color: var(--accent); }
  .tagline { color: var(--muted); margin-top: 2px; }
  .card {
    background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
    padding: 18px; margin-bottom: 16px;
  }
  .searchwrap { position: relative; }
  input[type="search"] {
    width: 100%; padding: 10px 12px; font: inherit; color: var(--ink);
    background: var(--bg); border: 1px solid var(--line); border-radius: 8px; outline: none;
  }
  input[type="search"]:focus { border-color: var(--accent); }
  .dropdown {
    position: absolute; top: 44px; left: 0; right: 0; z-index: 5;
    background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
    max-height: 260px; overflow-y: auto; box-shadow: 0 8px 24px rgba(0,0,0,.12);
  }
  .dropdown button {
    display: block; width: 100%; text-align: left; padding: 8px 12px; font: inherit;
    background: none; border: 0; color: var(--ink); cursor: pointer;
  }
  .dropdown button:hover { background: var(--chip); }
  .dropdown .g { color: var(--muted); font-size: 12.5px; }
  .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; min-height: 8px; }
  .chip {
    background: var(--chip); color: var(--chip-ink); border-radius: 999px;
    padding: 5px 12px; font-size: 13.5px; font-weight: 600; display: inline-flex;
    align-items: center; gap: 7px;
  }
  .chip button { border: 0; background: none; color: inherit; cursor: pointer; font-size: 15px; padding: 0; line-height: 1; }
  .personas { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; align-items: center; }
  .personas .lbl { color: var(--muted); font-size: 13px; margin-right: 2px; }
  .personas button {
    font: inherit; font-size: 13.5px; padding: 5px 12px; border-radius: 999px;
    border: 1px solid var(--line); background: none; color: var(--ink); cursor: pointer;
  }
  .personas button:hover { border-color: var(--accent); color: var(--accent); }
  .go {
    margin-top: 16px; width: 100%; padding: 11px; font: inherit; font-weight: 700;
    background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px;
    cursor: pointer;
  }
  .go:disabled { opacity: .45; cursor: default; }
  .results h2 { font-size: 15px; margin-bottom: 4px; }
  .results .sub { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
  .rec { display: grid; grid-template-columns: 30px 1fr; gap: 4px 10px; padding: 10px 0; border-top: 1px solid var(--line); }
  .rec .rank { color: var(--muted); font-weight: 700; font-variant-numeric: tabular-nums; padding-top: 1px; }
  .rec .title { font-weight: 650; }
  .rec .title .yr { color: var(--muted); font-weight: 400; }
  .rec .meta { grid-column: 2; color: var(--muted); font-size: 13px; }
  .rec .barwrap { grid-column: 2; height: 5px; background: var(--line); border-radius: 3px; overflow: hidden; margin-top: 3px; }
  .rec .bar { height: 100%; background: var(--bar); border-radius: 3px; }
  .rec .because { grid-column: 2; color: var(--muted); font-size: 12.5px; font-style: italic; }
  footer { color: var(--muted); font-size: 12.5px; text-align: center; margin-top: 10px; }
  footer a { color: var(--accent); text-decoration: none; }
  .hidden { display: none; }
  .spin { color: var(--muted); font-size: 13.5px; padding: 6px 0; }
</style>
</head>
<body>
<main>
  <header>
    <div class="wordmark">flick<span>pick</span> 🎬</div>
    <div class="tagline">Pick a few movies you love — get ten you'll probably like next.</div>
  </header>

  <div class="card">
    <div class="searchwrap">
      <input id="q" type="search" placeholder="Search the MovieLens catalog — try &quot;matrix&quot; or &quot;toy story&quot;" autocomplete="off">
      <div id="dd" class="dropdown hidden"></div>
    </div>
    <div id="chips" class="chips"></div>
    <div class="personas">
      <span class="lbl">or try a taste profile:</span>
      <span id="personaBtns"></span>
    </div>
    <button id="go" class="go" disabled>Recommend me 10 movies</button>
  </div>

  <div id="results" class="card results hidden">
    <h2>Your next ten</h2>
    <div class="sub" id="resultsSub"></div>
    <div id="recList"></div>
  </div>

  <footer>
    Implicit ALS (hand-rolled, NumPy) · MovieLens&nbsp;1M · model runs entirely in your browser (96×96 solve per request) ·
    <a href="https://github.com/UsmarHaider/flickpick">source on GitHub</a>
  </footer>
</main>

<script src="model.js"></script>
<script>
const $ = id => document.getElementById(id);
let picks = [];   // {movie_id, title, year, genres}
let personas = [];

const debounce = (fn, ms) => { let t; return (...a) => { clearTimeout(t); t = setTimeout(() => fn(...a), ms); }; };

function label(m) { return m.title + (m.year ? ` (${m.year})` : ""); }

function renderChips() {
  $("chips").innerHTML = picks.map((m, i) =>
    `<span class="chip">${label(m)} <button aria-label="remove" onclick="removePick(${i})">&times;</button></span>`
  ).join("");
  $("go").disabled = picks.length === 0;
}
function removePick(i) { picks.splice(i, 1); renderChips(); }

function addPick(m) {
  if (!picks.some(p => p.movie_id === m.movie_id)) picks.push(m);
  $("q").value = ""; $("dd").classList.add("hidden");
  renderChips();
}

const doSearch = debounce(async q => {
  if (q.trim().length < 2) { $("dd").classList.add("hidden"); return; }
  const hits = await (await fetch(`search?q=${encodeURIComponent(q)}`)).json();
  if (!hits.length) { $("dd").classList.add("hidden"); return; }
  $("dd").innerHTML = hits.map(m =>
    `<button data-m='${JSON.stringify(m).replace(/'/g, "&#39;")}'>${label(m)} <span class="g">· ${m.genres}</span></button>`
  ).join("");
  $("dd").classList.remove("hidden");
  $("dd").querySelectorAll("button").forEach(b =>
    b.addEventListener("click", () => addPick(JSON.parse(b.dataset.m))));
}, 200);

$("q").addEventListener("input", e => doSearch(e.target.value));
document.addEventListener("click", e => {
  if (!e.target.closest(".searchwrap")) $("dd").classList.add("hidden");
});

async function loadPersonas() {
  const btns = [];
  for (let i = 0; i < 4; i++) {
    const p = await (await fetch(`sample?index=${i}`)).json();
    personas.push(p);
    btns.push(`<button onclick="usePersona(${i})">${p.name}</button>`);
  }
  $("personaBtns").innerHTML = btns.join(" ");
}
function usePersona(i) { picks = [...personas[i].movies]; renderChips(); }

async function recommend() {
  $("results").classList.remove("hidden");
  $("recList").innerHTML = '<div class="spin">Folding you into the model…</div>';
  const res = await fetch("recommend", {
    method: "POST", headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ movie_ids: picks.map(p => p.movie_id), n: 10 }),
  });
  const data = await res.json();
  $("resultsSub").textContent = `Based on ${data.picks.length} pick${data.picks.length > 1 ? "s" : ""} — ranked by ALS score, bar shows match vs the top pick.`;
  $("recList").innerHTML = data.recommendations.map(r => `
    <div class="rec">
      <div class="rank">${r.rank}</div>
      <div class="title">${r.title} <span class="yr">${r.year ? "(" + r.year + ")" : ""}</span></div>
      <div class="meta">${r.genres}</div>
      <div class="barwrap"><div class="bar" style="width:${Math.max(4, Math.round(r.match * 100))}%"></div></div>
      <div class="because">because you liked ${r.because}</div>
    </div>`).join("");
  if (!document.body.dataset.demo) {
    $("results").scrollIntoView({ behavior: "smooth", block: "nearest" });
  }
}
$("go").addEventListener("click", recommend);

(async function init() {
  await loadPersonas();
  const params = new URLSearchParams(location.search);
  if (params.get("demo") === "1") {
    document.body.dataset.demo = "1";
    usePersona(parseInt(params.get("sample") || "0", 10) % personas.length);
    recommend();
  }
})();
</script>
</body>
</html>