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Initial commit: potluck signup app

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Go + chi + SQLite + HTMX with SSE live updates.
Soft Brutalism design, emoji picker, Docker deploy.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Ryan Chen
2026-05-14 22:55:54 -04:00
commit 8b32d98267
19 changed files with 1699 additions and 0 deletions
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templates/event.html
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{{template "layout" .}}
{{define "title"}}{{.Event.Title}} — bbq{{end}}
{{define "admin-bar"}}{{if .IsAdmin}}<div class="admin-bar">ADMIN VIEW — share the guest link: /e/{{.Event.Slug}}</div>{{end}}{{end}}
{{define "content"}}
<div class="event-header">
<div class="event-tag">Open · {{.TotalGoing}} going</div>
<h1 class="event-title">{{.Event.Title}}</h1>
<div class="event-meta">
{{if .Event.Date}}<span>&#128197; {{.Event.Date}}</span>{{end}}
{{if .Event.Time}}<span>&#128338; {{.Event.Time}}</span>{{end}}
{{if .Event.Location}}<span>&#128205; {{.Event.Location}}</span>{{end}}
</div>
</div>
<div class="section-label">What's needed</div>
<div id="slots-container"
hx-ext="sse"
sse-connect="/e/{{.Event.Slug}}/sse"
sse-swap="message"
hx-swap="innerHTML settle:0.1s">
{{template "slots-inner" .}}
</div>
<div class="section-label">Add your name</div>
<div class="claim-form-wrapper">
<div class="form-title">I'll bring something &#8594;</div>
<form hx-post="/e/{{.Event.Slug}}/claim"
hx-target="#slots-container"
hx-swap="innerHTML settle:0.1s"
hx-on::after-request="if(event.detail.successful) this.reset()">
<div class="form-row">
<label>Your name</label>
<input type="text" name="name" placeholder="e.g. Sam" required>
</div>
<div class="form-row">
<label>Slot</label>
<select name="slot_id">
{{range .Slots}}{{if not .IsFull}}
<option value="{{.Slot.ID}}">{{.Slot.Emoji}} {{.Slot.Name}} ({{$left := sub .Slot.MaxClaims .ClaimCount}}{{$left}} spot{{if ne $left 1}}s{{end}} left)</option>
{{end}}{{end}}
</select>
</div>
<div class="form-row">
<label>Note (optional)</label>
<input type="text" name="note" placeholder="e.g. bringing sparkling water + lemonade">
</div>
<button class="btn-submit" type="submit">Count me in &#8599;</button>
</form>
</div>
{{if .IsAdmin}}
<div class="section-label" style="margin-top:40px">Admin: Add slot</div>
<div class="claim-form-wrapper">
<form hx-post="/e/{{.Event.Slug}}/admin/{{.Event.AdminToken}}/slot"
hx-target="#slots-container"
hx-swap="innerHTML settle:0.1s"
hx-on::after-request="if(event.detail.successful) this.reset()">
<div class="form-row">
<label>Emoji</label>
<div class="emoji-pick" style="width:100%">
<input type="text" name="emoji" placeholder="&#127829;" readonly style="border:var(--border-w) solid var(--border);background:var(--cream);padding:10px 14px;font-size:0.95rem;width:100%;">
</div>
</div>
<div class="form-row">
<label>Slot name</label>
<input type="text" name="name" placeholder="e.g. Dessert" required>
</div>
<div class="form-row">
<label>Max claims</label>
<input type="number" name="max_claims" value="2" min="1">
</div>
<button class="btn-submit" type="submit">Add slot</button>
</form>
</div>
{{end}}
{{end}}
templates/home.html
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{{template "layout" .}}
{{define "title"}}bbq — create a potluck{{end}}
{{define "content"}}
<div class="event-header">
<div class="event-tag">New event</div>
<h1 class="event-title">Create a potluck</h1>
<p style="font-family:'DM Mono',monospace;font-size:0.8rem;color:#555;margin-top:8px;">
Set up what's needed and share the link. No sign-up required.
</p>
</div>
<div class="claim-form-wrapper">
<form method="POST" action="/events">
<div class="form-row">
<label>Event name</label>
<input type="text" name="title" placeholder="e.g. Prospect Park Summer Picnic" required>
</div>
<div class="form-row">
<label>Date</label>
<input type="text" name="date" placeholder="e.g. Saturday, June 14">
</div>
<div class="form-row">
<label>Time</label>
<input type="text" name="time" placeholder="e.g. 2:00 PM">
</div>
<div class="form-row">
<label>Location</label>
<input type="text" name="location" placeholder="e.g. Long Meadow, entrance at 9th St">
</div>
<div class="section-label" style="margin:24px 0 16px">Slots</div>
<div id="slot-rows">
<div class="slot-row" style="display:flex;gap:8px;margin-bottom:12px;">
<div class="emoji-pick">
<input type="text" name="slot_emoji" placeholder="&#127834;" readonly style="border:var(--border-w) solid var(--border);background:var(--cream);padding:10px;font-size:0.95rem;">
</div>
<input type="text" name="slot_name" placeholder="Slot name" style="flex:1;border:var(--border-w) solid var(--border);background:var(--cream);padding:10px;font-family:'Bricolage Grotesque',sans-serif;font-size:0.95rem;">
<input type="number" name="slot_max" value="2" min="1" style="width:60px;border:var(--border-w) solid var(--border);background:var(--cream);padding:10px;font-size:0.95rem;text-align:center;">
</div>
</div>
<button type="button" onclick="addSlotRow()" class="btn-claim" style="margin-bottom:20px;">+ Add slot</button>
<button class="btn-submit" type="submit">Create event &#8599;</button>
</form>
</div>
<script>
function addSlotRow() {
const container = document.getElementById('slot-rows');
const row = document.createElement('div');
row.className = 'slot-row';
row.style.cssText = 'display:flex;gap:8px;margin-bottom:12px;';
row.innerHTML = `
<div class="emoji-pick">
<input type="text" name="slot_emoji" placeholder="\u{1F356}" readonly style="border:var(--border-w) solid var(--border);background:var(--cream);padding:10px;font-size:0.95rem;">
</div>
<input type="text" name="slot_name" placeholder="Slot name" style="flex:1;border:var(--border-w) solid var(--border);background:var(--cream);padding:10px;font-family:'Bricolage Grotesque',sans-serif;font-size:0.95rem;">
<input type="number" name="slot_max" value="2" min="1" style="width:60px;border:var(--border-w) solid var(--border);background:var(--cream);padding:10px;font-size:0.95rem;text-align:center;">
`;
container.appendChild(row);
initEmojiPickers();
}
</script>
{{end}}
templates/layout.html
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{{define "layout"}}<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>{{block "title" .}}picnic{{end}}</title>
<link href="https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,700;12..96,800&family=DM+Mono:wght@400;500&display=swap" rel="stylesheet">
<script src="https://unpkg.com/htmx.org@2.0.4"></script>
<script src="https://unpkg.com/htmx-ext-sse@2.2.2/sse.js"></script>
<style>
:root {
--cream: #f5f0e8;
--ink: #1a1a1a;
--border: #1a1a1a;
--sage: #a8c5a0;
--peach: #f2a482;
--yellow: #f5e642;
--radius: 0px;
--border-w: 2.5px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
background: var(--cream);
color: var(--ink);
font-family: 'Bricolage Grotesque', sans-serif;
min-height: 100vh;
padding: 0;
}
body::before {
content: '';
position: fixed;
inset: 0;
background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
pointer-events: none;
z-index: 100;
opacity: 0.4;
}
header {
border-bottom: var(--border-w) solid var(--border);
padding: 16px 24px;
display: flex;
align-items: center;
justify-content: space-between;
background: var(--yellow);
}
.logo {
font-size: 1.1rem;
font-weight: 800;
letter-spacing: -0.03em;
text-decoration: none;
color: var(--ink);
}
.logo span {
display: inline-block;
background: var(--ink);
color: var(--yellow);
padding: 2px 8px;
margin-right: 4px;
}
main {
max-width: 680px;
margin: 0 auto;
padding: 40px 24px 80px;
}
.event-header {
border: var(--border-w) solid var(--border);
background: white;
padding: 28px;
margin-bottom: 32px;
position: relative;
box-shadow: 5px 5px 0 var(--ink);
}
.event-tag {
display: inline-block;
background: var(--sage);
border: var(--border-w) solid var(--border);
font-family: 'DM Mono', monospace;
font-size: 0.7rem;
padding: 3px 10px;
margin-bottom: 12px;
text-transform: uppercase;
letter-spacing: 0.08em;
}
.event-title {
font-size: 2.4rem;
font-weight: 800;
letter-spacing: -0.04em;
line-height: 1.1;
margin-bottom: 12px;
}
.event-meta {
display: flex;
flex-wrap: wrap;
gap: 16px;
font-family: 'DM Mono', monospace;
font-size: 0.78rem;
color: #555;
}
.section-label {
font-family: 'DM Mono', monospace;
font-size: 0.7rem;
text-transform: uppercase;
letter-spacing: 0.1em;
margin-bottom: 16px;
display: flex;
align-items: center;
gap: 10px;
}
.section-label::after {
content: '';
flex: 1;
height: var(--border-w);
background: var(--ink);
}
.slots-grid {
display: flex;
flex-direction: column;
gap: 12px;
margin-bottom: 40px;
}
.slot-card {
border: var(--border-w) solid var(--border);
background: white;
padding: 18px 20px;
display: flex;
align-items: flex-start;
justify-content: space-between;
gap: 16px;
transition: box-shadow 0.12s, transform 0.12s;
}
.slot-card:hover {
box-shadow: 4px 4px 0 var(--ink);
transform: translate(-2px, -2px);
}
.slot-card.full { background: #f0f0f0; }
.slot-info { flex: 1; }
.slot-name {
font-weight: 700;
font-size: 1.05rem;
letter-spacing: -0.02em;
margin-bottom: 6px;
}
.slot-claims {
display: flex;
flex-wrap: wrap;
gap: 6px;
}
.claim-chip {
display: inline-flex;
align-items: center;
gap: 6px;
background: var(--cream);
border: var(--border-w) solid var(--border);
font-family: 'DM Mono', monospace;
font-size: 0.72rem;
padding: 3px 10px;
}
.claim-chip button {
background: none;
border: none;
cursor: pointer;
font-size: 0.9rem;
line-height: 1;
padding: 0;
color: #888;
transition: color 0.1s;
}
.claim-chip button:hover { color: var(--ink); }
.slot-right {
display: flex;
flex-direction: column;
align-items: flex-end;
gap: 8px;
flex-shrink: 0;
}
.slot-count {
font-family: 'DM Mono', monospace;
font-size: 0.72rem;
color: #888;
white-space: nowrap;
}
.slot-count.warn { color: var(--peach); font-weight: 700; }
.btn-claim {
background: var(--yellow);
border: var(--border-w) solid var(--border);
font-family: 'Bricolage Grotesque', sans-serif;
font-weight: 700;
font-size: 0.8rem;
padding: 6px 14px;
cursor: pointer;
transition: box-shadow 0.1s, transform 0.1s;
white-space: nowrap;
}
.btn-claim:hover {
box-shadow: 3px 3px 0 var(--ink);
transform: translate(-1px, -1px);
}
.claim-form-wrapper {
border: var(--border-w) solid var(--border);
background: white;
padding: 24px;
box-shadow: 5px 5px 0 var(--ink);
}
.form-title {
font-size: 1.2rem;
font-weight: 800;
letter-spacing: -0.03em;
margin-bottom: 20px;
}
.form-row {
display: flex;
flex-direction: column;
gap: 6px;
margin-bottom: 16px;
}
.form-row label {
font-family: 'DM Mono', monospace;
font-size: 0.72rem;
text-transform: uppercase;
letter-spacing: 0.08em;
}
.form-row input, .form-row select {
border: var(--border-w) solid var(--border);
background: var(--cream);
padding: 10px 14px;
font-family: 'Bricolage Grotesque', sans-serif;
font-size: 0.95rem;
outline: none;
transition: box-shadow 0.1s;
appearance: none;
}
.form-row input:focus, .form-row select:focus {
box-shadow: 3px 3px 0 var(--ink);
}
.btn-submit {
background: var(--ink);
color: var(--yellow);
border: var(--border-w) solid var(--border);
font-family: 'Bricolage Grotesque', sans-serif;
font-weight: 800;
font-size: 1rem;
padding: 12px 28px;
cursor: pointer;
transition: box-shadow 0.1s, transform 0.1s;
letter-spacing: -0.02em;
width: 100%;
margin-top: 4px;
}
.btn-submit:hover {
box-shadow: 4px 4px 0 var(--sage);
transform: translate(-2px, -2px);
}
.progress-bar {
height: 4px;
background: #e8e8e8;
border: 1px solid var(--border);
margin-top: 8px;
overflow: hidden;
}
.progress-fill {
height: 100%;
background: var(--sage);
transition: width 0.3s;
}
.progress-fill.full { background: var(--peach); }
.nobody {
font-family: 'DM Mono', monospace;
font-size: 0.72rem;
color: #aaa;
padding: 4px 0 0;
}
.admin-bar {
background: var(--peach);
border-bottom: var(--border-w) solid var(--border);
padding: 8px 24px;
font-family: 'DM Mono', monospace;
font-size: 0.75rem;
text-align: center;
}
/* Emoji picker */
.emoji-pick {
position: relative;
width: 60px;
flex-shrink: 0;
}
.emoji-pick input {
width: 100%;
text-align: center;
cursor: pointer;
caret-color: transparent;
}
.emoji-grid {
display: none;
position: absolute;
bottom: calc(100% + 6px);
left: 0;
background: white;
border: var(--border-w) solid var(--border);
box-shadow: 4px 4px 0 var(--ink);
padding: 8px;
display: none;
grid-template-columns: repeat(6, 1fr);
gap: 2px;
z-index: 50;
width: 240px;
}
.emoji-grid.open { display: grid; }
.emoji-grid button {
background: none;
border: 2px solid transparent;
font-size: 1.25rem;
padding: 4px;
cursor: pointer;
border-radius: 0;
line-height: 1;
transition: background 0.08s, border-color 0.08s;
}
.emoji-grid button:hover {
background: var(--yellow);
border-color: var(--border);
}
.btn-danger {
background: none;
border: none;
color: #c44;
cursor: pointer;
font-family: 'DM Mono', monospace;
font-size: 0.7rem;
padding: 2px 6px;
text-decoration: underline;
}
.btn-danger:hover { color: #a00; }
@keyframes fadeUp {
from { opacity: 0; transform: translateY(16px); }
to { opacity: 1; transform: translateY(0); }
}
.event-header { animation: fadeUp 0.4s ease both; }
.slot-card { animation: fadeUp 0.4s ease both; }
.claim-form-wrapper { animation: fadeUp 0.4s 0.3s ease both; }
.htmx-settling .slot-card { opacity: 1; }
</style>
</head>
<body>
{{block "admin-bar" .}}{{end}}
<header>
<a class="logo" href="/"><span>&#127834;</span> bbq</a>
</header>
<main>
{{block "content" .}}{{end}}
</main>
<script>
const EMOJIS = [
"\u{1F354}","\u{1F355}","\u{1F32E}","\u{1F32F}","\u{1F957}","\u{1F956}",
"\u{1F969}","\u{1F953}","\u{1F35D}","\u{1F35C}","\u{1F372}","\u{1F37B}",
"\u{1F964}","\u{1F377}","\u{2615}","\u{1F375}","\u{1F95A}","\u{1F9C0}",
"\u{1F370}","\u{1F382}","\u{1F366}","\u{1F36A}","\u{1F349}","\u{1F353}",
"\u{1F34E}","\u{1F34A}","\u{1F34C}","\u{1F347}","\u{1F33D}","\u{1F952}",
"\u{1F345}","\u{1F955}","\u{1F968}","\u{1F9C1}","\u{1F37A}","\u{1F379}"
];
function initEmojiPickers() {
document.querySelectorAll('.emoji-pick').forEach(wrap => {
if (wrap.dataset.init) return;
wrap.dataset.init = '1';
const input = wrap.querySelector('input');
let grid = wrap.querySelector('.emoji-grid');
if (!grid) {
grid = document.createElement('div');
grid.className = 'emoji-grid';
EMOJIS.forEach(e => {
const b = document.createElement('button');
b.type = 'button';
b.textContent = e;
b.addEventListener('click', () => {
input.value = e;
grid.classList.remove('open');
});
grid.appendChild(b);
});
wrap.appendChild(grid);
}
input.addEventListener('click', (ev) => {
ev.preventDefault();
document.querySelectorAll('.emoji-grid.open').forEach(g => {
if (g !== grid) g.classList.remove('open');
});
grid.classList.toggle('open');
});
});
}
document.addEventListener('click', (e) => {
if (!e.target.closest('.emoji-pick')) {
document.querySelectorAll('.emoji-grid.open').forEach(g => g.classList.remove('open'));
}
});
document.addEventListener('DOMContentLoaded', initEmojiPickers);
</script>
</body>
</html>{{end}}
templates/slots.html
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{{define "slots-inner"}}
{{range .Slots}}
<div class="slot-card{{if .IsFull}} full{{end}}">
<div class="slot-info">
<div class="slot-name">{{.Slot.Emoji}} {{.Slot.Name}}</div>
<div class="slot-claims">
{{if .Claims}}
{{range .Claims}}
<span class="claim-chip">
{{.Name}}{{if .Note}} <small style="color:#888">({{.Note}})</small>{{end}}
<button hx-delete="/e/{{$.Event.Slug}}/claim/{{.ID}}"
hx-target="#slots-container"
hx-swap="innerHTML settle:0.1s"
hx-confirm="Remove {{.Name}}?"
title="Remove">&#215;</button>
</span>
{{end}}
{{else}}
<span class="nobody">nobody yet</span>
{{end}}
</div>
<div class="progress-bar">
<div class="progress-fill{{if .IsFull}} full{{end}}" style="width:{{.Pct}}%"></div>
</div>
</div>
<div class="slot-right">
<span class="slot-count{{if .IsFull}} warn{{end}}">{{.ClaimCount}} / {{.Slot.MaxClaims}}{{if .IsFull}} &#10003;{{end}}</span>
</div>
</div>
{{end}}
{{end}}
{{define "slots.html"}}{{template "slots-inner" .}}{{end}}