Add Supabase integration for trading journal

app/api/trading/trades/route.ts

@@ -1,39 +1,39 @@
 import { NextRequest, NextResponse } from 'next/server'
-import * as fs from 'fs'
-import * as path from 'path'
-
-const dataFile = path.join(process.cwd(), 'trading-trades.json')
+import { supabase } from '@/lib/supabase'
 
 export async function GET() {
   try {
-    let trades = []
-    if (fs.existsSync(dataFile)) {
-      trades = JSON.parse(fs.readFileSync(dataFile, 'utf-8'))
-    }
-    return NextResponse.json({ trades })
+    const { data: trades, error } = await supabase
+      .from('trades')
+      .select('*')
+      .order('opened_at', { ascending: false })
+    
+    if (error) throw error
+    
+    return NextResponse.json({ trades: trades || [] })
   } catch (error) {
-    return NextResponse.json({ trades: [] })
+    console.error('Supabase error:', error)
+    return NextResponse.json({ trades: [], error: 'Failed to fetch' }, { status: 500 })
   }
 }
 
 export async function POST(request: NextRequest) {
   try {
     const body = await request.json()
-    let trades = []
     
-    if (fs.existsSync(dataFile)) {
-      trades = JSON.parse(fs.readFileSync(dataFile, 'utf-8'))
-    }
-
-    trades.push({
-      ...body,
-      id: Date.now().toString(),
-      openedAt: new Date().toISOString()
-    })
-
-    fs.writeFileSync(dataFile, JSON.stringify(trades, null, 2))
-    return NextResponse.json({ success: true })
+    const { data, error } = await supabase
+      .from('trades')
+      .insert([{
+        ...body,
+        opened_at: new Date().toISOString(),
+      }])
+      .select()
+    
+    if (error) throw error
+    
+    return NextResponse.json({ success: true, trade: data?.[0] })
   } catch (error) {
+    console.error('Supabase error:', error)
     return NextResponse.json({ error: 'Failed to save' }, { status: 500 })
   }
 }