feat: misc — cooking mode, OpenAPI docs, email, storage, upload, homepage

Cooking mode step-by-step view. OpenAPI 3.1 spec auto-generated from Zod schemas. Email lib (resend). Redis client. S3 storage helper. Photo upload endpoint. Landing page. Short recipe URL redirect /r/[id]. API docs page.
2026-07-01 08:11:31 +02:00
parent 3f96d1ea41
commit 9d9dfb46c6
26 changed files with 1427 additions and 0 deletions
@@ -0,0 +1,45 @@
+const FRACTIONS: [number, string][] = [
+  [1 / 8, "⅛"],
+  [1 / 4, "¼"],
+  [1 / 3, "⅓"],
+  [3 / 8, "⅜"],
+  [1 / 2, "½"],
+  [5 / 8, "⅝"],
+  [2 / 3, "⅔"],
+  [3 / 4, "¾"],
+  [7 / 8, "⅞"],
+];
+
+export function formatQuantity(value: number): string {
+  if (value === 0) return "0";
+
+  const whole = Math.floor(value);
+  const decimal = value - whole;
+
+  if (decimal < 0.05) return whole === 0 ? "0" : String(whole);
+  if (decimal > 0.95) return String(whole + 1);
+
+  let bestFraction = "";
+  let bestDiff = Infinity;
+  for (const [frac, symbol] of FRACTIONS) {
+    const diff = Math.abs(decimal - frac);
+    if (diff < bestDiff) {
+      bestDiff = diff;
+      bestFraction = symbol;
+    }
+  }
+
+  if (bestDiff > 0.06) {
+    return value.toFixed(1);
+  }
+
+  return whole === 0 ? bestFraction : `${whole} ${bestFraction}`;
+}
+
+export function scaleQuantity(baseQuantity: string | null, base: number, desired: number): string {
+  if (!baseQuantity) return "";
+  const raw = parseFloat(baseQuantity);
+  if (isNaN(raw)) return baseQuantity;
+  const scale = base === 0 ? 1 : desired / base;
+  return formatQuantity(raw * scale);
+}