feat: implement FF Nancy API client including data models and functions for suppliers, articles, movements, and stock.

src/app/api/diag/route.ts

@@ -1,69 +1,65 @@
 import { NextRequest, NextResponse } from "next/server";
 import { db } from "@/db";
-import { ventesProduits } from "@/db/schema";
-import { sql, eq } from "drizzle-orm";
+import { sql } from "drizzle-orm";
+
+const FF_API_BASE = process.env.FF_API_BASE_URL ?? "https://api.ffnancy.fr";
 
 export async function GET(req: NextRequest) {
     const { searchParams } = new URL(req.url);
-    const codeFournisseur = searchParams.get("fournisseur");
+    const target = searchParams.get("target") ?? "all";
 
-    if (!codeFournisseur) {
-        return NextResponse.json({ 
-            error: "Paramètre 'fournisseur' manquant.",
-            usage: "/api/diag?fournisseur=VOTRE_CODE"
-        }, { status: 400 });
+    const result: Record<string, unknown> = {
+        timestamp: new Date().toISOString(),
+        env: {
+            FF_API_BASE_URL: process.env.FF_API_BASE_URL ?? "(not set — using default)",
+            FF_API_BASE_resolved: FF_API_BASE,
+            NODE_ENV: process.env.NODE_ENV,
+        },
+    };
+
+    // ── Test FF Nancy API ────────────────────────────────────────────────────
+    if (target === "all" || target === "ff") {
+        const ffTests: Record<string, unknown> = {};
+
+        // Test fournisseurs
+        try {
+            const url = `${FF_API_BASE}/api/fournisseurs?limit=5`;
+            const res = await fetch(url, { cache: "no-store" });
+            const text = await res.text();
+            let parsed: unknown = null;
+            try { parsed = JSON.parse(text); } catch { parsed = text.slice(0, 500); }
+            ffTests.fournisseurs = { status: res.status, url, raw: parsed };
+        } catch (e) {
+            ffTests.fournisseurs = { error: String(e) };
+        }
+
+        // Test articles (avec un code fournisseur de test)
+        const codefou = searchParams.get("codefou");
+        if (codefou) {
+            try {
+                const url = `${FF_API_BASE}/api/articles?codefou=${codefou}&limit=3`;
+                const res = await fetch(url, { cache: "no-store" });
+                const text = await res.text();
+                let parsed: unknown = null;
+                try { parsed = JSON.parse(text); } catch { parsed = text.slice(0, 500); }
+                ffTests.articles = { status: res.status, url, raw: parsed };
+            } catch (e) {
+                ffTests.articles = { error: String(e) };
+            }
+        }
+
+        result.ffNancyApi = ffTests;
     }
 
-    try {
-        console.log(`\n--- [DIAG API] Starting check for supplier: ${codeFournisseur} ---`);
-        
-        // 1. Raw Count
-        const countAll = await db.execute(sql`
-            SELECT COUNT(*) as count FROM ventes_produits 
-            WHERE code_fournisseur = ${codeFournisseur}
-        `);
-        const totalRows = Number(countAll.rows[0].count);
-
-        // 2. Distinct Products
-        const countDistinctTotal = await db.execute(sql`
-            SELECT COUNT(DISTINCT codein) as count FROM ventes_produits 
-            WHERE code_fournisseur = ${codeFournisseur}
-        `);
-        const totalDistinct = Number(countDistinctTotal.rows[0].count);
-
-        // 3. Sample of data (to see if it's truncated by DB query)
-        const sample = await db.execute(sql`
-            SELECT codein, libelle1, magasin, periode FROM ventes_produits 
-            WHERE code_fournisseur = ${codeFournisseur}
-            LIMIT 5
-        `);
-
-        console.log(`- DB sees ${totalRows} total rows.`);
-        console.log(`- DB sees ${totalDistinct} distinct products.`);
-
-        return NextResponse.json({
-            timestamp: new Date().toISOString(),
-            supplier: codeFournisseur,
-            database: {
-                totalRowsInTable: totalRows,
-                distinctProducts: totalDistinct,
-                sampleData: sample.rows
-            },
-            serverConfig: {
-                nextVersion: "16.1.6",
-                nodeEnv: process.env.NODE_ENV,
-                bodySizeLimit: "50mb"
-            },
-            message: totalDistinct > 1000 
-                ? "La base de données contient plus de 1000 produits. Si la grille en affiche 999, le problème est dans le transport (Application/RSC)." 
-                : "La base de données renvoie moins de 1000 produits uniques. Le problème vient de l'import ou du filtrage SQL."
-        });
-
-    } catch (error: any) {
-        console.error("[DIAG API] Error:", error);
-        return NextResponse.json({ 
-            error: "Failed to fetch diagnostic data", 
-            details: error.message 
-        }, { status: 500 });
+    // ── Test PostgreSQL ──────────────────────────────────────────────────────
+    if (target === "all" || target === "db") {
+        try {
+            const countResult = await db.execute(sql`SELECT COUNT(*) as count FROM session_snapshots`);
+            result.postgresql = { ok: true, snapshots: Number(countResult.rows[0]?.count ?? 0) };
+        } catch (e) {
+            result.postgresql = { ok: false, error: String(e) };
+        }
     }
+
+    return NextResponse.json(result, { status: 200 });
 }