Add Revit initial import planning

src/server/controllers/external-csv.controller.ts

@@ -3,12 +3,21 @@ import type { Request, Response } from "express";
 import { assertExternalCsvConfiguration } from "../../external-model/csv/external-csv-configuration.js";
 import { ExternalCsvParseError } from "../../external-model/csv/external-csv-transport.js";
 import { createExternalCsvPreview } from "../../external-model/application/external-csv-preview.js";
+import { createExternalInitialImportPlan } from "../../external-model/application/external-initial-import-plan.js";
 import { createExternalCsvConfigurationUpdateProjectCommand } from "../../domain/models/external-csv-configuration-project-command.model.js";
 import {
   previewExternalCsvSchema,
+  planExternalInitialImportSchema,
   updateExternalCsvConfigurationSchema,
 } from "../../shared/validation/external-csv.schemas.js";
-import { externalCsvConfigurationRepository } from "../composition/application-repositories.js";
+import {
+  distributionBoardRepository,
+  externalCsvConfigurationRepository,
+  externalModelStateRepository,
+  floorRepository,
+  projectDeviceRepository,
+  roomRepository,
+} from "../composition/application-repositories.js";
 import { projectCommandService } from "../composition/project-command-stores.js";
 import { respondWithProjectCommandError } from "./project-command.controller.js";
 
@@ -93,6 +102,58 @@ export function previewExternalCsv(req: Request, res: Response) {
   }
 }
 
+export async function planExternalInitialImport(req: Request, res: Response) {
+  const projectId = getProjectId(req, res);
+  if (!projectId) return;
+  const parsed = planExternalInitialImportSchema.safeParse(req.body);
+  if (!parsed.success) {
+    return res.status(400).json({ error: parsed.error.flatten() });
+  }
+  const stored = externalCsvConfigurationRepository.getByProject(projectId);
+  if (!stored.projectExists) {
+    return res.status(404).json({ error: "Project not found" });
+  }
+  if (!stored.configuration) {
+    return res.status(409).json({
+      error: "Für das Projekt ist noch keine Revit-CSV-Konfiguration gespeichert.",
+      code: "EXTERNAL_CSV_CONFIGURATION_REQUIRED",
+    });
+  }
+  const externalState = externalModelStateRepository.getByProject(projectId);
+  if (externalState.state.source !== null) {
+    return res.status(409).json({
+      error: "Für dieses Projekt wurde bereits ein Revit-Modell importiert.",
+      code: "EXTERNAL_INITIAL_IMPORT_ALREADY_APPLIED",
+    });
+  }
+  try {
+    const bytes = decodeBase64(parsed.data.contentBase64);
+    const [floors, rooms, distributionBoards, projectDevices] = await Promise.all([
+      floorRepository.listByProject(projectId),
+      roomRepository.listByProject(projectId),
+      distributionBoardRepository.listByProject(projectId),
+      projectDeviceRepository.listByProject(projectId),
+    ]);
+    return res.json(createExternalInitialImportPlan({
+      fileName: parsed.data.fileName,
+      bytes,
+      configurationVersion: stored.configuration.configurationVersion,
+      configuration: stored.configuration.configuration,
+      floors,
+      rooms,
+      distributionBoards,
+      projectDevices,
+    }));
+  } catch (error) {
+    if (error instanceof ExternalCsvParseError) {
+      return res.status(400).json({ error: error.message, code: error.code });
+    }
+    return res.status(400).json({
+      error: error instanceof Error ? error.message : "Erstimport-Planung fehlgeschlagen.",
+    });
+  }
+}
+
 function decodeBase64(value: string) {
   if (!/^[A-Za-z0-9+/]+={0,2}$/.test(value) || value.length % 4 !== 0) {
     throw new Error("CSV-Inhalt ist nicht gültig Base64-kodiert.");