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| 1 | +export const dynamic = "force-dynamic"; |
| 2 | + |
| 3 | +import { createClient } from "@supabase/supabase-js"; |
| 4 | +import { NextRequest, NextResponse } from "next/server"; |
| 5 | +import type { ToolEventType, ToolEventMetadata } from "@/lib/types"; |
| 6 | + |
| 7 | +export type RiskSignal = "at_risk" | "pricing_changed" | "gaining_traction"; |
| 8 | + |
| 9 | +export interface ToolRiskSignal { |
| 10 | + tool_id: string; |
| 11 | + signal: RiskSignal | null; |
| 12 | + event_type: ToolEventType | null; |
| 13 | + detected_at: string | null; |
| 14 | + metadata: ToolEventMetadata | null; |
| 15 | +} |
| 16 | + |
| 17 | +interface EventsResponse { |
| 18 | + signals: ToolRiskSignal[]; |
| 19 | +} |
| 20 | + |
| 21 | +// Signal priority: higher index = lower priority (at_risk wins) |
| 22 | +const SIGNAL_PRIORITY: RiskSignal[] = ["at_risk", "pricing_changed", "gaining_traction"]; |
| 23 | + |
| 24 | +function classifyEvent(type: ToolEventType, metadata: ToolEventMetadata): RiskSignal | null { |
| 25 | + switch (type) { |
| 26 | + case "stale_transition": |
| 27 | + case "archived_detected": |
| 28 | + return "at_risk"; |
| 29 | + case "health_score_change": { |
| 30 | + const delta = (metadata as { delta?: number }).delta ?? 0; |
| 31 | + if (delta < -10) return "at_risk"; |
| 32 | + if (delta > 10) return "gaining_traction"; |
| 33 | + return null; |
| 34 | + } |
| 35 | + case "pricing_change": |
| 36 | + return "pricing_changed"; |
| 37 | + case "star_milestone": |
| 38 | + return "gaining_traction"; |
| 39 | + default: |
| 40 | + return null; |
| 41 | + } |
| 42 | +} |
| 43 | + |
| 44 | +function getAnonClient() { |
| 45 | + const url = process.env.NEXT_PUBLIC_POSTGRES_SUPABASE_URL; |
| 46 | + const anon = process.env.NEXT_PUBLIC_POSTGRES_SUPABASE_ANON_KEY; |
| 47 | + if (!url || !anon) return null; |
| 48 | + return createClient(url, anon); |
| 49 | +} |
| 50 | + |
| 51 | +export async function POST(req: NextRequest) { |
| 52 | + let body: unknown; |
| 53 | + try { |
| 54 | + body = await req.json(); |
| 55 | + } catch { |
| 56 | + return NextResponse.json({ error: "Invalid JSON" }, { status: 400 }); |
| 57 | + } |
| 58 | + |
| 59 | + const tool_ids = (body as { tool_ids?: unknown }).tool_ids; |
| 60 | + if (!Array.isArray(tool_ids) || tool_ids.length === 0 || tool_ids.length > 30) { |
| 61 | + return NextResponse.json( |
| 62 | + { error: "tool_ids must be a non-empty array of at most 30 items" }, |
| 63 | + { status: 400 } |
| 64 | + ); |
| 65 | + } |
| 66 | + |
| 67 | + const db = getAnonClient(); |
| 68 | + if (!db) { |
| 69 | + const signals: ToolRiskSignal[] = tool_ids.map((id) => ({ |
| 70 | + tool_id: id as string, |
| 71 | + signal: null, |
| 72 | + event_type: null, |
| 73 | + detected_at: null, |
| 74 | + metadata: null, |
| 75 | + })); |
| 76 | + return NextResponse.json({ signals } satisfies EventsResponse); |
| 77 | + } |
| 78 | + |
| 79 | + const thirtyDaysAgo = new Date(Date.now() - 30 * 24 * 60 * 60 * 1000).toISOString(); |
| 80 | + |
| 81 | + const { data: events, error } = await db |
| 82 | + .from("tool_events") |
| 83 | + .select("tool_id, type, detected_at, metadata") |
| 84 | + .in("tool_id", tool_ids) |
| 85 | + .gte("detected_at", thirtyDaysAgo) |
| 86 | + .order("detected_at", { ascending: false }); |
| 87 | + |
| 88 | + if (error) { |
| 89 | + const signals: ToolRiskSignal[] = tool_ids.map((id) => ({ |
| 90 | + tool_id: id as string, |
| 91 | + signal: null, |
| 92 | + event_type: null, |
| 93 | + detected_at: null, |
| 94 | + metadata: null, |
| 95 | + })); |
| 96 | + return NextResponse.json({ signals } satisfies EventsResponse); |
| 97 | + } |
| 98 | + |
| 99 | + // Build signal map: for each tool, keep the highest-priority signal |
| 100 | + const signalMap = new Map<string, ToolRiskSignal>(); |
| 101 | + |
| 102 | + for (const ev of events ?? []) { |
| 103 | + const signal = classifyEvent( |
| 104 | + ev.type as ToolEventType, |
| 105 | + (ev.metadata ?? {}) as ToolEventMetadata |
| 106 | + ); |
| 107 | + if (!signal) continue; |
| 108 | + |
| 109 | + const existing = signalMap.get(ev.tool_id); |
| 110 | + if (!existing) { |
| 111 | + signalMap.set(ev.tool_id, { |
| 112 | + tool_id: ev.tool_id as string, |
| 113 | + signal, |
| 114 | + event_type: ev.type as ToolEventType, |
| 115 | + detected_at: ev.detected_at as string, |
| 116 | + metadata: (ev.metadata ?? {}) as ToolEventMetadata, |
| 117 | + }); |
| 118 | + } else { |
| 119 | + // Replace only if the new signal has higher priority |
| 120 | + const existingPriority = SIGNAL_PRIORITY.indexOf(existing.signal!); |
| 121 | + const newPriority = SIGNAL_PRIORITY.indexOf(signal); |
| 122 | + if (newPriority < existingPriority) { |
| 123 | + signalMap.set(ev.tool_id, { |
| 124 | + tool_id: ev.tool_id as string, |
| 125 | + signal, |
| 126 | + event_type: ev.type as ToolEventType, |
| 127 | + detected_at: ev.detected_at as string, |
| 128 | + metadata: (ev.metadata ?? {}) as ToolEventMetadata, |
| 129 | + }); |
| 130 | + } |
| 131 | + } |
| 132 | + } |
| 133 | + |
| 134 | + const signals: ToolRiskSignal[] = tool_ids.map((id) => { |
| 135 | + return ( |
| 136 | + signalMap.get(id as string) ?? { |
| 137 | + tool_id: id as string, |
| 138 | + signal: null, |
| 139 | + event_type: null, |
| 140 | + detected_at: null, |
| 141 | + metadata: null, |
| 142 | + } |
| 143 | + ); |
| 144 | + }); |
| 145 | + |
| 146 | + return NextResponse.json({ signals } satisfies EventsResponse); |
| 147 | +} |
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