feat: purge import history by retention

server/routers.ts

@@ -4,6 +4,7 @@ import { BAP_MIN_QUALITY_SCORE, meetsBapQualityThreshold } from "@shared/bapElig
 import { requiresBapBeforeOriginalPdfExport } from "@shared/bapExportGuard";
 import { calculateInvoiceQualityScore, withCalculatedInvoiceQuality } from "@shared/invoiceQuality";
 import { normalizeImportLogPagination } from "@shared/importLogPagination";
+import { getImportLogRetentionCutoff, isImportLogRetentionMonths } from "@shared/importLogRetention";
 import { webPortalUrlSchema } from "./webPortalUrl";
 
 interface Condition {
@@ -50,6 +51,8 @@ import {
   getImportLogsByUser,
   getImportLogsWithDetailsByUser,
   deleteAllImportLogs,
+  countImportLogsBefore,
+  deleteImportLogsBefore,
   getLlmLogsBySourceFile,
   getLlmLogsByInvoice,
   getImportSettingsByUser,
@@ -1748,6 +1751,34 @@ export const appRouter = router({
       }
       return { success: true };
     }),
+
+    retentionPreview: protectedProcedure
+      .input(z.object({ months: z.number().int() }))
+      .query(async ({ ctx, input }) => {
+        if (ctx.user.role !== "admin") {
+          throw new TRPCError({ code: "FORBIDDEN", message: "Réservé aux administrateurs." });
+        }
+        if (!isImportLogRetentionMonths(input.months)) {
+          throw new TRPCError({ code: "BAD_REQUEST", message: "Durée de rétention invalide." });
+        }
+        const cutoff = getImportLogRetentionCutoff(input.months);
+        const count = await countImportLogsBefore(cutoff);
+        return { months: input.months, cutoff, count };
+      }),
+
+    purgeBeforeRetention: protectedProcedure
+      .input(z.object({ months: z.number().int() }))
+      .mutation(async ({ ctx, input }) => {
+        if (ctx.user.role !== "admin") {
+          throw new TRPCError({ code: "FORBIDDEN", message: "Réservé aux administrateurs." });
+        }
+        if (!isImportLogRetentionMonths(input.months)) {
+          throw new TRPCError({ code: "BAD_REQUEST", message: "Durée de rétention invalide." });
+        }
+        const cutoff = getImportLogRetentionCutoff(input.months);
+        const deletedCount = await deleteImportLogsBefore(cutoff);
+        return { months: input.months, cutoff, deletedCount };
+      }),
   }),
   
   // ============= LLM LOGS ROUTES =============