Files
boris/api/services/ogStore.ts
Gigi 76b9797c41 feat: add article tags and image alt text to OG metadata
- Add tags field to ArticleMetadata type (extracted from 't' tags)
- Add imageAlt field to ArticleMetadata type (uses title as fallback)
- Extract 't' tags from article events in fetchArticleMetadataViaRelays
- Generate multiple article:tag meta tags in HTML output
- Add og:image:alt meta tag for better accessibility

This improves SEO and social media previews by including
article categorization tags and image descriptions.
2025-11-07 19:39:02 +01:00

40 lines
1.3 KiB
TypeScript

import { Redis } from '@upstash/redis'
// Support both KV_* and UPSTASH_* env var names
const redisUrl = process.env.UPSTASH_REDIS_REST_URL || process.env.KV_REST_API_URL
const redisToken = process.env.UPSTASH_REDIS_REST_TOKEN || process.env.KV_REST_API_TOKEN
const readOnlyToken = process.env.KV_REST_API_READ_ONLY_TOKEN
if (!redisUrl || !redisToken) {
console.error('Missing Redis credentials: UPSTASH_REDIS_REST_URL/UPSTASH_REDIS_REST_TOKEN or KV_REST_API_URL/KV_REST_API_TOKEN')
}
const redisWrite = redisUrl && redisToken
? new Redis({ url: redisUrl, token: redisToken })
: Redis.fromEnv() // Fallback to fromEnv() if explicit vars not set
const redisRead = readOnlyToken && redisUrl
? new Redis({ url: redisUrl, token: readOnlyToken })
: redisWrite
const keyOf = (naddr: string) => `og:${naddr}`
export type ArticleMetadata = {
title: string
summary: string
image: string
author: string
published?: number
tags?: string[]
imageAlt?: string
}
export async function getArticleMeta(naddr: string): Promise<ArticleMetadata | null> {
return (await redisRead.get<ArticleMetadata>(keyOf(naddr))) || null
}
export async function setArticleMeta(naddr: string, meta: ArticleMetadata, ttlSec = 604800): Promise<void> {
await redisWrite.set(keyOf(naddr), meta, { ex: ttlSec })
}