feat(dashboard): Next.js 16 merchant panel with offline POS and PWA
Complete merchant dashboard upgrade:
Next.js 16 compatibility:
- Fix params/searchParams typed as Promise<{}> throughout App Router
- Replace middleware.ts with proxy.ts (Next.js 16 convention)
- Remove unused @ts-expect-error directives caught by stricter TS
- Cast dynamic next-intl t() keys to fix TranslateArgs type errors
Offline POS:
- IndexedDB queue (meezi_pos_offline) for orders created while offline
- Zustand sync store tracking queueCount, isSyncing, isOnline
- useOfflineSync hook: auto-syncs on reconnect/visibility-change
- SyncStatusIndicator chip in topbar (amber=offline, blue=syncing)
- submitOrderToApi falls back to local order on network failure
- Local orders skip payment flow; sync on reconnect
PWA (installable):
- @ducanh2912/next-pwa with Workbox runtime caching rules
- Web App Manifest (manifest.ts) — RTL/Farsi, theme #0F6E56
- PWA icons: 192px, 512px, maskable 512px
- next.config.ts replaces next.config.mjs
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
soroush.asadi
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"use client";
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import { useState } from "react";
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import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
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import { useTranslations } from "next-intl";
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import { Plus } from "lucide-react";
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import { apiGet, apiPost } from "@/lib/api/client";
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import type { Coupon, CouponType } from "@/lib/api/types";
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import { useAuthStore } from "@/lib/stores/auth.store";
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import { formatNumber } from "@/lib/format";
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import { Button } from "@/components/ui/button";
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import { Input } from "@/components/ui/input";
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import { LabeledField } from "@/components/ui/labeled-field";
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import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
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import { Badge } from "@/components/ui/badge";
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export function CouponsScreen() {
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const t = useTranslations("coupons");
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const tCommon = useTranslations("common");
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const cafeId = useAuthStore((s) => s.user?.cafeId);
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const queryClient = useQueryClient();
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const [showForm, setShowForm] = useState(false);
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const [code, setCode] = useState("");
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const [type, setType] = useState<CouponType>("Percentage");
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const [value, setValue] = useState("10");
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const { data: coupons = [], isLoading } = useQuery({
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queryKey: ["coupons", cafeId],
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queryFn: () => apiGet<Coupon[]>(`/api/cafes/${cafeId}/coupons`),
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enabled: !!cafeId,
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});
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const createCoupon = useMutation({
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mutationFn: () =>
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apiPost<Coupon>(`/api/cafes/${cafeId}/coupons`, {
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code,
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type,
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value: Number(value),
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isActive: true,
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}),
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onSuccess: () => {
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queryClient.invalidateQueries({ queryKey: ["coupons", cafeId] });
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setShowForm(false);
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setCode("");
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setValue("10");
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},
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});
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if (!cafeId) return null;
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return (
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<div className="space-y-4">
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<div className="flex items-center justify-between">
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<h2 className="text-xl font-bold">{t("title")}</h2>
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<Button onClick={() => setShowForm(!showForm)}>
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<Plus className="h-4 w-4" />
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{t("addCoupon")}
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</Button>
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</div>
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{showForm && (
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<Card>
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<CardContent className="grid gap-3 pt-6 sm:grid-cols-3">
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<LabeledField label={t("code")} htmlFor="coupon-code">
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<Input
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id="coupon-code"
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value={code}
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onChange={(e) => setCode(e.target.value)}
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dir="ltr"
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className="text-end"
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/>
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</LabeledField>
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<LabeledField label={t("type")} htmlFor="coupon-type">
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<select
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id="coupon-type"
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className="w-full rounded-md border border-input bg-background px-3 py-2 text-sm"
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value={type}
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onChange={(e) => setType(e.target.value as CouponType)}
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>
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<option value="Percentage">{t("types.Percentage")}</option>
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<option value="FixedAmount">{t("types.FixedAmount")}</option>
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</select>
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</LabeledField>
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<LabeledField label={t("value")} htmlFor="coupon-value">
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<Input
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id="coupon-value"
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value={value}
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onChange={(e) => setValue(e.target.value)}
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type="number"
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dir="ltr"
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className="text-end"
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/>
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</LabeledField>
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<div className="flex gap-2 sm:col-span-3">
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<Button onClick={() => createCoupon.mutate()} disabled={createCoupon.isPending}>
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{tCommon("save")}
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</Button>
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<Button variant="outline" onClick={() => setShowForm(false)}>
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{tCommon("cancel")}
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</Button>
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</div>
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</CardContent>
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</Card>
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)}
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{isLoading ? (
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<p className="text-muted-foreground">{tCommon("loading")}</p>
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) : coupons.length === 0 ? (
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<p className="text-muted-foreground">{t("noCoupons")}</p>
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) : (
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<div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
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{coupons.map((c) => (
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<Card key={c.id}>
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<CardHeader className="pb-2">
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<div className="flex items-center justify-between">
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<CardTitle className="font-mono text-lg">{c.code}</CardTitle>
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<Badge variant={c.isActive ? "default" : "secondary"}>
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{c.isActive ? t("active") : t("inactive")}
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</Badge>
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</div>
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</CardHeader>
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<CardContent className="text-sm text-muted-foreground">
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<p>
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{t("type")}: {t(`types.${c.type}`)}
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</p>
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<p>
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{t("value")}: {formatNumber(c.value)}
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{c.type === "Percentage" ? "%" : " ت"}
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</p>
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<p>
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{t("usage")}: {formatNumber(c.usedCount)}
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{c.usageLimit ? ` / ${formatNumber(c.usageLimit)}` : ""}
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</p>
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</CardContent>
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</Card>
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))}
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</div>
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)}
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</div>
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);
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}
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