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feat: enhance newsletters functionality with premium access and caching
- Implemented premium access control for newsletters, displaying a loading state and a premium gate for unpaid users. - Added caching mechanism for newsletters data to improve performance. - Introduced new content types for newsletters, including code snippets and tables. - Created a dedicated component for the premium access gate with upgrade options.
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‎apps/web/src/app/(main)/dashboard/newsletters/[id]/page.tsx‎

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@@ -10,12 +10,27 @@ import Image from "next/image";
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import { NewsletterContentItem } from "@/types/newsletter";
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import { GeistSans } from "geist/font/sans";
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import { formatNewsletterDate } from "../utils/newsletter.utils";
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import { useSubscription } from "@/hooks/useSubscription";
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import NewsletterPremiumGate from "../components/NewsletterPremiumGate";
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export default function NewsletterPage() {
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const params = useParams();
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const { isPaidUser, isLoading } = useSubscription();
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const id = params.id as string;
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const newsletter = newsletters.find((n) => n.id === id);
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if (isLoading) {
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return (
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<div className="min-h-screen bg-background flex items-center justify-center">
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<div className="text-foreground">Loading...</div>
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</div>
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);
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}
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if (!isPaidUser) {
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return <NewsletterPremiumGate />;
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}
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if (!newsletter) {
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return (
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<div className="min-h-screen bg-background flex items-center justify-center">

‎apps/web/src/app/(main)/dashboard/newsletters/components/NewsletterContent.tsx‎

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@@ -97,6 +97,55 @@ export default function NewsletterContent({ content }: NewsletterContentProps) {
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</ul>
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);
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case "code":
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return (
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<pre
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key={index}
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className="my-4 p-4 bg-muted rounded-lg overflow-x-auto"
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>
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<code className="text-sm font-mono text-foreground">
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{item.content}
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</code>
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</pre>
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);
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case "table":
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return (
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<div key={index} className="my-4 overflow-x-auto">
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<table className="min-w-full border-collapse border border-border">
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<thead>
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<tr className="bg-muted">
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{item.headers.map((header, headerIndex) => (
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<th
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key={headerIndex}
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className="border border-border px-4 py-2 text-left font-semibold text-foreground"
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>
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{header}
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</th>
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))}
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</tr>
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</thead>
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<tbody>
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{item.rows.map((row, rowIndex) => (
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<tr
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key={rowIndex}
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className={rowIndex % 2 === 0 ? "bg-background" : "bg-muted/50"}
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>
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{row.map((cell, cellIndex) => (
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<td
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key={cellIndex}
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className="border border-border px-4 py-2 text-foreground/90"
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>
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{cell}
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</td>
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))}
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</tr>
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))}
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</tbody>
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</table>
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</div>
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);
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default:
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return null;
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}

‎apps/web/src/app/(main)/dashboard/newsletters/components/NewsletterPremiumGate.tsx‎

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"use client";
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import Link from "next/link";
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import { Button } from "@/components/ui/button";
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import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
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import { Lock, Sparkles, ArrowRight } from "lucide-react";
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import { GeistSans } from "geist/font/sans";
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export default function NewsletterPremiumGate() {
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return (
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<div className="min-h-screen bg-background font-sans flex items-center justify-center px-4 py-12">
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<Card className="max-w-lg w-full border-2 shadow-lg">
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<CardHeader className="text-center space-y-6 pb-8">
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<div className="flex justify-center">
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<div className="relative">
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<div className="absolute inset-0 bg-ox-purple/10 blur-xl rounded-full"></div>
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<div className="relative rounded-full bg-gradient-to-br from-ox-purple/20 to-ox-purple/5 border border-ox-purple/30 p-4">
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<Lock className="h-10 w-10 text-ox-purple" />
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</div>
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</div>
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</div>
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<div className="space-y-2">
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<CardTitle className={`text-3xl font-bold ${GeistSans.className}`}>
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Premium Required
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</CardTitle>
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<CardDescription className="text-base">
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Unlock premium to access exclusive newsletters
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</CardDescription>
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</div>
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</CardHeader>
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<CardContent className="space-y-6">
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<div className="bg-muted/50 rounded-lg p-4 space-y-3">
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<p className="text-sm text-foreground/80 text-center leading-relaxed">
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Get exclusive access to our premium newsletters featuring product updates,
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community highlights, pro tips, and early access to new features.
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</p>
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<div className="flex items-center justify-center gap-2 text-xs text-muted-foreground pt-2 border-t border-border/50">
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<Sparkles className="h-3.5 w-3.5 text-ox-purple" />
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<span>Premium feature</span>
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</div>
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</div>
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<div className="space-y-3 pt-2">
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<Link href="/pricing" className="block">
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<Button
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size="lg"
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className="w-full bg-ox-purple hover:bg-ox-purple/90 text-white font-semibold shadow-md hover:shadow-lg transition-all duration-200"
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>
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Upgrade to Premium
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<ArrowRight className="ml-2 h-4 w-4" />
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</Button>
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</Link>
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<Link href="/dashboard/home" className="block">
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<Button
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variant="outline"
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size="lg"
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className="w-full border-border hover:bg-muted/50 transition-colors"
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>
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Back to Dashboard
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</Button>
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</Link>
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</div>
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</CardContent>
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</Card>
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</div>
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);
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}
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‎apps/web/src/app/(main)/dashboard/newsletters/page.tsx‎

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"use client";
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import { Newsletter } from "@/types/newsletter";
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import Newsletters from "./Content";
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import { newsletters } from "./data/newsletters";
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import { useSubscription } from "@/hooks/useSubscription";
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import NewsletterPremiumGate from "./components/NewsletterPremiumGate";
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export default function NewslettersPage() {
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const { isPaidUser, isLoading } = useSubscription();
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if (isLoading) {
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return (
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<div className="min-h-screen bg-background flex items-center justify-center">
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<div className="text-foreground">Loading...</div>
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</div>
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);
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}
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if (!isPaidUser) {
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return <NewsletterPremiumGate />;
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}
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return (
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<div>
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<Newsletters newsletters={newsletters as Newsletter[]} />

‎apps/web/src/app/(main)/dashboard/newsletters/utils/newsletter.cache.ts‎

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import { Newsletter } from "@/types/newsletter";
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interface CacheEntry {
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data: Newsletter[];
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timestamp: number;
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}
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const CACHE_DURATION = 60 * 1000; // 1 minute in milliseconds
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let cache: CacheEntry | null = null;
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/**
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* Gets cached newsletters data if available and not expired
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* @returns Cached newsletters array or null if cache is expired/missing
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*/
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export const getCachedNewsletters = (): Newsletter[] | null => {
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if (!cache) return null;
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const now = Date.now();
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if (now - cache.timestamp > CACHE_DURATION) {
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cache = null; // Clear expired cache
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return null;
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}
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return cache.data;
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};
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/**
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* Sets newsletters data in cache with current timestamp
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* @param newsletters - Array of newsletters to cache
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*/
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export const setCachedNewsletters = (newsletters: Newsletter[]): void => {
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cache = {
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data: newsletters,
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timestamp: Date.now(),
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};
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// In a real implementation, this would use a proper cache store
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// For now, this is a placeholder that demonstrates the caching pattern
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// The actual caching would be handled at the API/data fetching level
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};
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‎apps/web/src/types/newsletter.ts‎

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@@ -28,6 +28,16 @@ export type NewsletterContentItem =
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type: "list";
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items: string[];
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align?: "left" | "right";
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}
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| {
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type: "code";
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language?: string;
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content: string;
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}
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| {
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type: "table";
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headers: string[];
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rows: string[][];
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};
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export interface Newsletter {

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