Files
deckyvault/lib/api/auto-pin.ts
T

51 lines
1.5 KiB
TypeScript

import { db } from "@/lib/db/index"
import { performanceEntries } from "@/lib/db/schema"
import { eq } from "drizzle-orm"
/**
* Auto-pin check: an entry is eligible for auto-pinning when:
* 1. NOT already pinned (isPinned = false)
* 2. NOT removed (isRemoved = false)
* 3. Total votes >= 10 (upvotes + downvotes)
* 4. Approval ratio >= 0.80 (upvotes / total_votes)
* 5. Absolute upvotes >= 8
*/
const AUTO_PIN_MIN_TOTAL_VOTES = 10
const AUTO_PIN_MIN_APPROVAL_RATIO = 0.80
const AUTO_PIN_MIN_UPVOTES = 8
export async function checkAndAutoPin(entryId: string): Promise<boolean> {
const [entry] = await db
.select({
id: performanceEntries.id,
isPinned: performanceEntries.isPinned,
isRemoved: performanceEntries.isRemoved,
upvotes: performanceEntries.upvotes,
downvotes: performanceEntries.downvotes,
})
.from(performanceEntries)
.where(eq(performanceEntries.id, entryId))
.limit(1)
if (!entry) return false
if (entry.isPinned) return false
if (entry.isRemoved) return false
const totalVotes = entry.upvotes + entry.downvotes
if (totalVotes < AUTO_PIN_MIN_TOTAL_VOTES) return false
if (entry.upvotes < AUTO_PIN_MIN_UPVOTES) return false
const approvalRatio = entry.upvotes / totalVotes
if (approvalRatio < AUTO_PIN_MIN_APPROVAL_RATIO) return false
// Conditions met — auto-pin
await db
.update(performanceEntries)
.set({
isPinned: true,
pinnedAt: new Date(),
})
.where(eq(performanceEntries.id, entryId))
return true
}