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feat: add configurable time window selection for stories #13

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feat: add configurable time window selection for stories #13

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1 change: 1 addition & 0 deletions bun.lock
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46 changes: 31 additions & 15 deletions src/App.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -21,32 +21,37 @@ interface HNStory {
descendants?: number
}

const TIME_WINDOWS = [
{ label: '2 weeks', days: 14 },
{ label: '1 month', days: 30 },
{ label: '3 months', days: 90 },
{ label: '6 months', days: 180 },
]

function App() {
const [stories, setStories] = useState<HNStory[]>([])
const [loading, setLoading] = useState(true)
const [error, setError] = useState<string | null>(null)
const [timeWindow, setTimeWindow] = useState(90)

useEffect(() => {
const fetchTopStories = async () => {
try {
setLoading(true)
setError(null)

// Calculate timestamp for three months ago
const threeMonthsAgo = Math.floor(Date.now() / 1000) - (90 * 24 * 60 * 60)
const since = Math.floor(Date.now() / 1000) - (timeWindow * 24 * 60 * 60)

// Fetch top stories from last three months using Algolia
const response = await fetch(
`https://hn.algolia.com/api/v1/search?tags=story&numericFilters=created_at_i>${threeMonthsAgo}&hitsPerPage=30`
`https://hn.algolia.com/api/v1/search?tags=story&numericFilters=created_at_i>${since}&hitsPerPage=30`
)
if (!response.ok) throw new Error('Failed to fetch stories')

const data = await response.json()
const algoliaStories: AlgoliaStory[] = data.hits

// Convert Algolia format to our HNStory format
const convertedStories: HNStory[] = algoliaStories
.filter(story => story.title && story.points) // Filter out stories without title or points
.filter(story => story.title && story.points)
.map(story => ({
id: parseInt(story.objectID),
title: story.title,
Expand All @@ -56,7 +61,7 @@ function App() {
time: story.created_at_i,
descendants: story.num_comments
}))
.sort((a, b) => b.score - a.score) // Sort by score descending
.sort((a, b) => b.score - a.score)

setStories(convertedStories)
} catch (err) {
Expand All @@ -67,7 +72,7 @@ function App() {
}

fetchTopStories()
}, [])
}, [timeWindow])

const formatTime = (timestamp: number) => {
const now = Date.now() / 1000
Expand Down Expand Up @@ -112,13 +117,24 @@ function App() {
<div className="min-h-screen bg-neutral-50 relative">
<div className="absolute top-0 left-0 right-0 h-32 bg-gradient-to-b from-orange-200 to-transparent pointer-events-none"></div>
<div className="max-w-3xl mx-auto px-6 py-12 relative">
<header className="mb-8">
<h1 className="text-4xl font-extrabold text-slate-900 tracking-tight">
Calm HN
</h1>
<p className="text-slate-500 text-[10px] mt-2 uppercase tracking-wider">
Top stories from the last three months
</p>
<header className="mb-8 flex items-end justify-between">
<div>
<h1 className="text-4xl font-extrabold text-slate-900 tracking-tight">
Calm HN
</h1>
<p className="text-slate-500 text-[10px] mt-2 uppercase tracking-wider">
Top stories from the last {TIME_WINDOWS.find(w => w.days === timeWindow)?.label}
</p>
</div>
<select
value={timeWindow}
onChange={e => setTimeWindow(Number(e.target.value))}
className="text-xs text-slate-500 bg-white border border-slate-200 rounded-md px-2 py-1.5 focus:outline-none focus:ring-1 focus:ring-orange-300 cursor-pointer"
>
{TIME_WINDOWS.map(w => (
<option key={w.days} value={w.days}>{w.label}</option>
))}
</select>
</header>

<div className="space-y-6">
Expand Down