organized structure

main
oscar 2 months ago
parent b10ae95690
commit d4686ddfae

@ -1,17 +1,18 @@
# SplitBuddy — Flask app with bills/transfer + payer toggle
from __future__ import annotations
import os, sqlite3, csv, io, datetime as dt
from typing import Optional
from flask import Flask, g, request, redirect, url_for, render_template_string, send_file
from flask import Flask, g, request, redirect, url_for, render_template, send_file
app = Flask(__name__)
# ----- Config -----
DB_PATH = os.environ.get("SPLITBUDDY_DB", "splitbuddy.db")
CURRENCY = ""
PERSON_A = os.environ.get("SPLITBUDDY_ME", "Me") # you
PERSON_B = os.environ.get("SPLITBUDDY_ROOMIE", "Idan") # roommate
DEFAULT_A_SHARE_PCT = 66.6667 # <-- you pay 2/3 by default
# ------------------------- DB helpers --------------------------- #
# ----- DB helpers -----
def get_db() -> sqlite3.Connection:
if "db" not in g:
g.db = sqlite3.connect(DB_PATH)
@ -31,197 +32,34 @@ def init_db():
id INTEGER PRIMARY KEY AUTOINCREMENT,
created_at TEXT NOT NULL,
kind TEXT NOT NULL DEFAULT 'bill', -- 'bill' | 'transfer'
total REAL NOT NULL DEFAULT 0, -- total amount
total REAL NOT NULL DEFAULT 0, -- amount
payer TEXT NOT NULL DEFAULT 'A', -- 'A' (you) or 'B' (Idan)
a_share REAL NOT NULL DEFAULT 0.5, -- your share (0..1), only for bills
a_share REAL NOT NULL DEFAULT 0.666667, -- your share (0..1) for bills
method TEXT NOT NULL DEFAULT 'cash',
note TEXT
)
""")
# Migrations for older versions
for col, ddl in [
("kind", "ALTER TABLE entries ADD COLUMN kind TEXT NOT NULL DEFAULT 'bill'"),
("total", "ALTER TABLE entries ADD COLUMN total REAL"),
("payer", "ALTER TABLE entries ADD COLUMN payer TEXT"),
("a_share","ALTER TABLE entries ADD COLUMN a_share REAL"),
# Migrations (no-op if columns already exist)
for ddl in [
"ALTER TABLE entries ADD COLUMN kind TEXT NOT NULL DEFAULT 'bill'",
"ALTER TABLE entries ADD COLUMN total REAL",
"ALTER TABLE entries ADD COLUMN payer TEXT",
"ALTER TABLE entries ADD COLUMN a_share REAL",
]:
try:
db.execute(ddl)
except sqlite3.OperationalError:
pass
# Normalize NULLs from legacy rows
db.execute("""
UPDATE entries
SET kind = COALESCE(kind, 'bill'),
total = COALESCE(total, 0),
payer = COALESCE(payer, 'A'),
a_share= COALESCE(a_share, 0.5)
a_share= COALESCE(a_share, 0.666667)
""")
db.commit()
# --------------------------- Template --------------------------- #
BASE = r"""
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />
<title>SplitBuddy</title>
<link rel="preconnect" href="https://fonts.googleapis.com"><link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap" rel="stylesheet">
<style>
:root{ --bg:#0f1115; --card:#141822; --muted:#8c93a6; --ok:#19c37d; --bad:#ef4444; --fg:#e6e7eb; --edge:#202637;}
*{ box-sizing:border-box } body{ margin:0; font-family:Inter,system-ui; background:var(--bg); color:var(--fg) }
.wrap{ max-width:980px; margin:24px auto; padding:0 16px } header{ display:flex; gap:12px; align-items:center; justify-content:space-between; margin-bottom:16px }
.h1{ font-size:24px; font-weight:700 } .pill{ display:inline-flex; gap:8px; padding:8px 12px; border-radius:999px; background:var(--card); border:1px solid var(--edge); font-size:14px }
.pill.ok{ background:rgba(25,195,125,.12); border-color:#1f7a58 } .pill.bad{ background:rgba(239,68,68,.12); border-color:#7a1f1f }
.muted{ color:var(--muted) } .grid{ display:grid; grid-template-columns:1.2fr .8fr; gap:16px } @media (max-width:900px){ .grid{ grid-template-columns:1fr } }
.card{ background:var(--card); border:1px solid var(--edge); border-radius:14px; padding:16px } h2{ font-size:16px; margin:0 0 10px }
form .row{ display:flex; gap:10px; flex-wrap:wrap }
input, select{ background:#0d1117; border:1px solid #263041; color:var(--fg); border-radius:10px; padding:10px; outline:none }
input[type="number"]{ max-width:160px } input[type="text"]{ flex:1 }
.seg{ display:inline-flex; border:1px solid #263041; border-radius:10px; overflow:hidden } .seg input{ display:none } .seg label{ padding:8px 10px; cursor:pointer; background:#0d1117; user-select:none }
.seg input:checked + label{ background:#182033; color:#b6d1ff }
.toggle{ display:inline-flex; border:1px solid #263041; border-radius:10px; overflow:hidden }
.toggle input{ display:none } .toggle label{ padding:8px 12px; cursor:pointer; background:#0d1117; user-select:none; min-width:100px; text-align:center }
.toggle input:checked + label{ background:#183033; color:#b6d1ff }
button.btn{ background:#1f6fe8; border:none; color:#fff; padding:10px 14px; border-radius:10px; cursor:pointer }
button.btn.secondary{ background:#273244 } button.btn.danger{ background:#c92a2a }
table{ width:100%; border-collapse:collapse } th, td{ border-bottom:1px solid #222b3b; padding:10px; text-align:left; font-size:14px }
th{ color:#aab3c4 } td.num{ font-variant-numeric:tabular-nums; text-align:right }
.pos{ color:#ef9a9a } .neg{ color:#9ae6b4 }
.tag{ font-size:12px; padding:2px 8px; border-radius:999px; background:#1a2332; border:1px solid #243046 }
</style>
<script>
function setShare(pct) {
const el = document.getElementById('a_share');
el.value = pct.toFixed(2);
}
function onKindChange(kind) {
const shareWrap = document.getElementById('share-wrap');
const presets = document.getElementById('presets');
if (kind === 'transfer') {
shareWrap.style.display = 'none';
presets.style.display = 'none';
} else {
shareWrap.style.display = '';
presets.style.display = '';
}
}
document.addEventListener('DOMContentLoaded', () => {
const kindRadios = document.querySelectorAll('input[name="kind"]');
kindRadios.forEach(r => r.addEventListener('change', () => onKindChange(r.value)));
onKindChange(document.querySelector('input[name="kind"]:checked').value);
});
</script>
</head>
<body>
<div class="wrap">
<header>
<div class="h1">SplitBuddy</div>
<div>
<span class="pill {{ 'bad' if summary.total>0 else ('ok' if summary.total<0 else '') }}">
{% if summary.total > 0 %}
{{ A }} owes {{ B }} <strong>{{ currency }}{{ '%.2f'|format(summary.total) }}</strong>
{% elif summary.total < 0 %}
{{ B }} owes {{ A }} <strong>{{ currency }}{{ '%.2f'|format(-summary.total) }}</strong>
{% else %}All settled {% endif %}
</span>
<span class="pill muted">Balance: {{ currency }}{{ '%.2f'|format(summary.total) }}</span>
<a class="pill" href="{{ url_for('export_csv') }}">Export CSV</a>
</div>
</header>
<div class="grid">
<section class="card">
<h2>Add entry</h2>
<form method="post" action="{{ url_for('add') }}">
<div class="row">
<div class="seg" title="Entry type">
<input type="radio" id="k_bill" name="kind" value="bill" checked><label for="k_bill">Bill</label>
<input type="radio" id="k_xfer" name="kind" value="transfer"><label for="k_xfer">Transfer</label>
</div>
<div class="toggle" title="Who paid / who sent">
<input type="radio" id="payer_a" name="payer" value="A" checked><label for="payer_a">{{ A }}</label>
<input type="radio" id="payer_b" name="payer" value="B"><label for="payer_b">{{ B }}</label>
</div>
<input type="number" step="0.01" min="0" name="total" placeholder="Amount" required>
<select name="method">
<option>cash</option><option>transfer</option><option>other</option>
</select>
</div>
<div class="row" id="share-wrap" style="margin-top:8px">
<input id="a_share" type="number" step="0.01" min="0" max="100" name="a_share_pct" placeholder="{{ A }} share %" value="50.00" title="{{ A }}'s share (%)">
<input type="text" name="note" placeholder="Reason (e.g. rent, groceries, washer)" style="flex:1">
<input type="datetime-local" name="created_at" value="{{ now_local }}">
<button class="btn" type="submit">Add</button>
</div>
<div class="row" id="presets" style="margin-top:8px">
<div class="seg" title="Quick presets">
<input type="radio" id="p50" name="preset" onclick="setShare(50)" checked><label for="p50">50/50</label>
<input type="radio" id="p66" name="preset" onclick="setShare(66.6667)"><label for="p66">{{ A }} 2/3</label>
<input type="radio" id="p33" name="preset" onclick="setShare(33.3333)"><label for="p33">{{ A }} 1/3</label>
</div>
</div>
</form>
</section>
<section class="card">
<h2>Stats</h2>
<div class="muted">Entries: {{ summary.count }}</div>
<div class="muted">Latest: {{ summary.latest or '' }}</div>
<div style="margin-top:8px">
<span class="tag">Cash Δ: {{ currency }}{{ '%.2f'|format(summary.by_method.cash) }}</span>
<span class="tag">Transfer Δ: {{ currency }}{{ '%.2f'|format(summary.by_method.transfer) }}</span>
<span class="tag">Other Δ: {{ currency }}{{ '%.2f'|format(summary.by_method.other) }}</span>
</div>
</section>
</div>
<section class="card" style="margin-top:16px">
<h2>Ledger</h2>
<table>
<thead>
<tr>
<th style="width:160px">Time</th>
<th>Type</th>
<th>Payer/Sender</th>
<th>Reason</th>
<th>Method</th>
<th class="num">Your share %</th>
<th class="num">Amount</th>
<th class="num">Δ Balance</th>
<th style="width:120px"></th>
</tr>
</thead>
<tbody>
{% for e in entries %}
<tr>
<td>{{ e.created_at }}</td>
<td>{{ e.kind }}</td>
<td>{{ A if e.payer=='A' else B }}</td>
<td>{{ e.note or '' }}</td>
<td>{{ e.method }}</td>
<td class="num">{{ e.kind == 'bill' and ('%.2f'|format(e.a_share*100) ~ '%') or '' }}</td>
<td class="num">{{ currency }}{{ '%.2f'|format(e.total) }}</td>
<td class="num {{ 'pos' if e.delta>0 else 'neg' if e.delta<0 else '' }}">
{{ currency }}{{ '%.2f'|format(e.delta) }}
</td>
<td>
<form method="post" action="{{ url_for('delete', entry_id=e.id) }}" onsubmit="return confirm('Delete this entry?');">
<button class="btn danger" type="submit">Delete</button>
</form>
</td>
</tr>
{% endfor %}
</tbody>
</table>
</section>
</div>
</body>
</html>
"""
# --------------------------- Utilities -------------------------- #
# ----- Utility & models -----
def _now_local_iso_min() -> str:
return dt.datetime.now().replace(second=0, microsecond=0).isoformat(timespec="minutes")
@ -236,16 +74,15 @@ class Summary:
def _delta_for_entry(kind: str, total: float, payer: str, a_share: float) -> float:
"""
Positive => YOU owe Idan. Negative => Idan owes YOU.
- bill: delta = (your_share * total) - (total if YOU paid else 0)
- bill: delta = (your_share * total) - (total if YOU paid else 0)
- transfer: delta = -total if YOU sent; +total if Idan sent
"""
if kind == "transfer":
return -total if payer == "A" else total
# bill
paid_by_a = total if payer == "A" else 0.0
return a_share * total - paid_by_a
# ----------------------------- Routes --------------------------- #
# ----- Routes -----
@app.before_request
def _ensure_db():
init_db()
@ -258,6 +95,7 @@ def index():
FROM entries
ORDER BY datetime(created_at) DESC, id DESC
""").fetchall()
entries = []
for r in rows:
e = dict(r)
@ -273,13 +111,14 @@ def index():
)
summary = Summary(total=total_balance, count=len(entries), latest=latest, by_method=bm)
return render_template_string(
BASE,
return render_template(
"index.html",
entries=entries,
summary=summary,
A=PERSON_A, B=PERSON_B,
currency=CURRENCY,
now_local=_now_local_iso_min(),
default_a_share_pct=DEFAULT_A_SHARE_PCT,
)
@app.post("/add")
@ -296,10 +135,12 @@ def add():
if payer not in ("A","B"): payer = "A"
if kind not in ("bill","transfer"): kind = "bill"
a_share = 0.5
if kind == "bill":
if a_share_pct is None: a_share_pct = 50.0
if a_share_pct is None:
a_share_pct = DEFAULT_A_SHARE_PCT
a_share = max(0.0, min(100.0, a_share_pct)) / 100.0
else:
a_share = DEFAULT_A_SHARE_PCT / 100.0 # stored but ignored for transfers
db = get_db()
db.execute(
@ -336,9 +177,8 @@ def export_csv():
return send_file(io.BytesIO(buff.read().encode("utf-8")), mimetype="text/csv",
as_attachment=True, download_name="splitbuddy_export.csv")
# --------------------------- Entrypoint -------------------------- #
if __name__ == "__main__":
os.makedirs(os.path.dirname(DB_PATH) or ".", exist_ok=True)
with app.app_context():
init_db()
app.run(debug=True)
app.run(debug=True)

@ -0,0 +1,36 @@
function setShare(pct) {
const el = document.getElementById('a_share');
if (el) el.value = Number(pct).toFixed(4);
}
function onKindChange(kind) {
const shareWrap = document.getElementById('share-wrap');
const presets = document.getElementById('presets');
if (!shareWrap || !presets) return;
if (kind === 'transfer') {
shareWrap.style.display = 'none';
presets.style.display = 'none';
} else {
shareWrap.style.display = '';
presets.style.display = '';
}
}
document.addEventListener('DOMContentLoaded', () => {
// default your share to 2/3
setShare(66.6667);
// wire presets
const p50 = document.getElementById('p50');
const p66 = document.getElementById('p66');
const p33 = document.getElementById('p33');
if (p50) p50.addEventListener('click', () => setShare(50));
if (p66) p66.addEventListener('click', () => setShare(66.6667));
if (p33) p33.addEventListener('click', () => setShare(33.3333));
// wire kind radios
const bill = document.getElementById('k_bill');
const xfer = document.getElementById('k_xfer');
if (bill) bill.addEventListener('change', () => onKindChange('bill'));
if (xfer) xfer.addEventListener('change', () => onKindChange('transfer'));
onKindChange((xfer && xfer.checked) ? 'transfer' : 'bill');
});

@ -0,0 +1,45 @@
:root{ --bg:#0f1115; --card:#141822; --muted:#8c93a6; --ok:#19c37d; --bad:#ef4444; --fg:#e6e7eb; --edge:#202637;}
*{ box-sizing:border-box }
body{ margin:0; font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial; background:var(--bg); color:var(--fg) }
.wrap{ max-width:980px; margin:24px auto; padding:0 16px }
header{ display:flex; gap:12px; align-items:center; justify-content:space-between; margin-bottom:16px }
.h1{ font-size:24px; font-weight:700 }
.pill{ display:inline-flex; gap:8px; padding:8px 12px; border-radius:999px; background:var(--card); border:1px solid var(--edge); font-size:14px }
.pill.ok{ background:rgba(25,195,125,.12); border-color:#1f7a58 }
.pill.bad{ background:rgba(239,68,68,.12); border-color:#7a1f1f }
.muted{ color:var(--muted) }
.grid{ display:grid; grid-template-columns:1.2fr .8fr; gap:16px }
@media (max-width:900px){ .grid{ grid-template-columns:1fr } }
.card{ background:var(--card); border:1px solid var(--edge); border-radius:14px; padding:16px }
h2{ font-size:16px; margin:0 0 10px }
form .row{ display:flex; gap:10px; flex-wrap:wrap }
input, select{ background:#0d1117; border:1px solid #263041; color:var(--fg); border-radius:10px; padding:10px; outline:none }
input[type="number"]{ max-width:160px }
input[type="text"]{ flex:1 }
.seg{ display:inline-flex; border:1px solid #263041; border-radius:10px; overflow:hidden }
.seg input{ display:none }
.seg label{ padding:8px 10px; cursor:pointer; background:#0d1117; user-select:none }
.seg input:checked + label{ background:#182033; color:#b6d1ff }
.toggle{ display:inline-flex; border:1px solid #263041; border-radius:10px; overflow:hidden }
.toggle input{ display:none }
.toggle label{ padding:8px 12px; cursor:pointer; background:#0d1117; user-select:none; min-width:100px; text-align:center }
.toggle input:checked + label{ background:#183033; color:#b6d1ff }
button.btn{ background:#1f6fe8; border:none; color:#fff; padding:10px 14px; border-radius:10px; cursor:pointer }
button.btn.secondary{ background:#273244 }
button.btn.danger{ background:#c92a2a }
table{ width:100%; border-collapse:collapse }
th, td{ border-bottom:1px solid #222b3b; padding:10px; text-align:left; font-size:14px }
th{ color:#aab3c4; font-weight:600 }
td.num{ font-variant-numeric:tabular-nums; text-align:right }
.pos{ color:#ef9a9a } /* you owe */
.neg{ color:#9ae6b4 } /* they owe */
.tag{ font-size:12px; padding:2px 8px; border-radius:999px; background:#1a2332; border:1px solid #243046 }

@ -0,0 +1,120 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />
<title>SplitBuddy</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap" rel="stylesheet">
<link rel="stylesheet" href="{{ url_for('static', filename='style.css') }}">
<script defer src="{{ url_for('static', filename='app.js') }}"></script>
</head>
<body>
<div class="wrap">
<header>
<div class="h1">SplitBuddy</div>
<div>
<span class="pill {{ 'bad' if summary.total>0 else ('ok' if summary.total<0 else '') }}">
{% if summary.total > 0 %}
{{ A }} owes {{ B }} <strong>{{ currency }}{{ '%.2f'|format(summary.total) }}</strong>
{% elif summary.total < 0 %}
{{ B }} owes {{ A }} <strong>{{ currency }}{{ '%.2f'|format(-summary.total) }}</strong>
{% else %}All settled ✨{% endif %}
</span>
<span class="pill muted">Balance: {{ currency }}{{ '%.2f'|format(summary.total) }}</span>
<a class="pill" href="{{ url_for('export_csv') }}">Export CSV</a>
</div>
</header>
<div class="grid">
<section class="card">
<h2>Add entry</h2>
<form method="post" action="{{ url_for('add') }}">
<div class="row">
<div class="seg" title="Entry type">
<input type="radio" id="k_bill" name="kind" value="bill" checked><label for="k_bill">Bill</label>
<input type="radio" id="k_xfer" name="kind" value="transfer"><label for="k_xfer">Transfer</label>
</div>
<div class="toggle" title="Who paid / who sent">
<input type="radio" id="payer_a" name="payer" value="A" checked><label for="payer_a">{{ A }}</label>
<input type="radio" id="payer_b" name="payer" value="B"><label for="payer_b">{{ B }}</label>
</div>
<input type="number" step="0.01" min="0" name="total" placeholder="Amount" required>
<select name="method">
<option>cash</option><option>transfer</option><option>other</option>
</select>
</div>
<div class="row" id="share-wrap" style="margin-top:8px">
<input id="a_share" type="number" step="0.01" min="0" max="100" name="a_share_pct"
placeholder="{{ A }} share %" value="{{ '%.4f'|format(default_a_share_pct) }}"
title="{{ A }}'s share (%)">
<input type="text" name="note" placeholder="Reason (e.g. rent, groceries, washer)" style="flex:1">
<input type="datetime-local" name="created_at" value="{{ now_local }}">
<button class="btn" type="submit">Add</button>
</div>
<div class="row" id="presets" style="margin-top:8px">
<div class="seg" title="Quick presets">
<input type="radio" id="p50" name="preset"><label for="p50">50/50</label>
<input type="radio" id="p66" name="preset" checked><label for="p66">{{ A }} 2/3</label>
<input type="radio" id="p33" name="preset"><label for="p33">{{ A }} 1/3</label>
</div>
</div>
</form>
</section>
<section class="card">
<h2>Stats</h2>
<div class="muted">Entries: {{ summary.count }}</div>
<div class="muted">Latest: {{ summary.latest or '—' }}</div>
<div style="margin-top:8px">
<span class="tag">Cash Δ: {{ currency }}{{ '%.2f'|format(summary.by_method.cash) }}</span>
<span class="tag">Transfer Δ: {{ currency }}{{ '%.2f'|format(summary.by_method.transfer) }}</span>
<span class="tag">Other Δ: {{ currency }}{{ '%.2f'|format(summary.by_method.other) }}</span>
</div>
</section>
</div>
<section class="card" style="margin-top:16px">
<h2>Ledger</h2>
<table>
<thead>
<tr>
<th style="width:160px">Time</th>
<th>Type</th>
<th>Payer/Sender</th>
<th>Reason</th>
<th>Method</th>
<th class="num">Your share %</th>
<th class="num">Amount</th>
<th class="num">Δ Balance</th>
<th style="width:120px"></th>
</tr>
</thead>
<tbody>
{% for e in entries %}
<tr>
<td>{{ e.created_at }}</td>
<td>{{ e.kind }}</td>
<td>{{ A if e.payer=='A' else B }}</td>
<td>{{ e.note or '—' }}</td>
<td>{{ e.method }}</td>
<td class="num">{{ e.kind == 'bill' and ('%.2f'|format(e.a_share*100) ~ '%') or '—' }}</td>
<td class="num">{{ currency }}{{ '%.2f'|format(e.total) }}</td>
<td class="num {{ 'pos' if e.delta>0 else 'neg' if e.delta<0 else '' }}">
{{ currency }}{{ '%.2f'|format(e.delta) }}
</td>
<td>
<form method="post" action="{{ url_for('delete', entry_id=e.id) }}" onsubmit="return confirm('Delete this entry?');">
<button class="btn danger" type="submit">Delete</button>
</form>
</td>
</tr>
{% endfor %}
</tbody>
</table>
</section>
</div>
</body>
</html>
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