paginate wagons, locomotives and routes lists server-side

apps/edr-freight-api/src/modules/wagons/dto/list-wagons-query.dto.ts

@@ -72,16 +72,7 @@ export class ListWagonsQueryDto {
   @Min(1)
   page?: number;
 
-  @ApiPropertyOptional({ minimum: 1, maximum: 500 })
-  @IsOptional()
-  @Type(() => Number)
-  @IsInt()
-  @Min(1)
-  @Max(500)
-  limit?: number;
-
-  /** Page size for `GET /wagons/paged`; the legacy `limit` still drives `GET /wagons`. */
-  @ApiPropertyOptional({ default: 20, minimum: 1, maximum: 100 })
+  @ApiPropertyOptional({ default: 10, minimum: 1, maximum: 100 })
   @IsOptional()
   @Type(() => Number)
   @IsInt()

apps/edr-freight-api/src/modules/wagons/wagons.controller.ts

@@ -39,19 +39,13 @@ export class WagonsController {
 
   @Get()
   @StaffReference()
-  @ApiOperation({ summary: 'List all wagons' })
+  @ApiOperation({
+    summary: 'List wagons, paginated ({items, meta}) — 10 per page by default',
+  })
   findAll(@Query() query: ListWagonsQueryDto) {
     return this.wagonsService.findAll(query);
   }
 
-  // Must be declared before @Get(':id') so the path isn't captured as an id.
-  @Get('paged')
-  @StaffReference()
-  @ApiOperation({ summary: 'List wagons, paginated ({items, meta})' })
-  findAllPaged(@Query() query: ListWagonsQueryDto) {
-    return this.wagonsService.findAllPaged(query);
-  }
-
   @Get(':id')
   @StaffReference()
   @ApiOperation({ summary: 'Get a wagon by ID' })

apps/edr-freight-api/src/modules/wagons/wagons.service.ts

@@ -115,20 +115,13 @@ export class WagonsService {
     return qb;
   }
 
-  async findAll(query: ListWagonsQueryDto = {}): Promise<Wagon[]> {
-    const qb = this.buildListQuery(query);
-
-    if (query.page && query.limit) {
-      qb.skip((Number(query.page) - 1) * Number(query.limit));
-    }
-    if (query.limit) qb.take(Number(query.limit));
-
-    return qb.getMany();
-  }
-
-  /** Same filters as `findAll`, on the shared `{items, meta}` list envelope. */
-  findAllPaged(query: ListWagonsQueryDto = {}): Promise<PaginatedResponse<Wagon>> {
-    return paginateQuery(this.buildListQuery(query), query);
+  /**
+   * The wagon list is always a page. Callers that genuinely need every row
+   * (yard workspace, coupling pickers) walk the pages client-side — see
+   * `wagonService.listAll` in the backoffice.
+   */
+  findAll(query: ListWagonsQueryDto = {}): Promise<PaginatedResponse<Wagon>> {
+    return paginateQuery(this.buildListQuery(query), query, { defaultPageSize: 10 });
   }
 
   async findById(id: string): Promise<Wagon> {

apps/edr-freight-web/backoffice/src/pages/fleet/FleetResourcePage.tsx

@@ -155,9 +155,15 @@ const FleetResourcePage = () => {
   const { data: cargoTypes = [], isLoading: cargoTypesLoading } = useQuery(
     api.cargoTypes.list.queryOptions({ staleTime: Infinity }),
   );
-  const { data: wagons = [], isLoading: wagonsLoading } = useQuery(
-    api.wagons.list.queryOptions({ input: {} }),
+  // Whole-fleet list for the "Wagon" form select — page-walked, so only fetch it
+  // where a form actually offers that select (containers), not on every slug.
+  const needsWagonOptions = Boolean(
+    config?.formFields.some((field) => field.dynamicOptions === "wagons"),
   );
+  const { data: wagons = [], isLoading: wagonsLoading } = useQuery({
+    ...api.wagons.list.queryOptions({ input: {} }),
+    enabled: needsWagonOptions,
+  });
   const { data: containers = [], isLoading: containersLoading } = useQuery(
     api.containers.list.queryOptions(),
   );

apps/edr-freight-web/backoffice/src/services/api.ts

@@ -1632,17 +1632,25 @@ export const api = {
   },
 
   wagons: {
+    /** Every match, page-walked — for pickers and yard views. Lists use `listPaged`. */
     list: endpoint<{ filters?: WagonListFilters }, Wagon[]>(
       "wagons",
       "list",
-      ({ filters }) => wagonService.getAll(filters ?? {}).then((r) => r.data),
+      ({ filters }) => wagonService.listAll(filters ?? {}),
       ({ filters }) => ["wagons", "list", filters ?? {}],
     ),
 
+    listPaged: endpoint<{ filters?: WagonListFilters }, PaginatedResponse<Wagon>>(
+      "wagons",
+      "listPaged",
+      ({ filters }) => wagonService.getAll(filters ?? {}).then((r) => r.data),
+      ({ filters }) => ["wagons", "listPaged", filters ?? {}],
+    ),
+
     listByTrain: endpoint<{ trainId: string }, Wagon[]>(
       "wagons",
       "listByTrain",
-      ({ trainId }) => wagonService.getByTrain(trainId).then((r) => r.data),
+      ({ trainId }) => wagonService.getByTrain(trainId),
       ({ trainId }) => ["wagons", "train", trainId],
     ),
 

apps/edr-freight-web/backoffice/src/services/fleet/fleet.service.ts

@@ -23,7 +23,7 @@ const listHandlers: Record<
 > = {
   locomotives: (filters) => locomotivesService.getAll(filters ?? {}).then((r) => r.data),
   trains: () => trainService.getAll().then((r) => r.data),
-  wagons: (filters) => wagonService.getAll(filters ?? {}).then((r) => r.data),
+  wagons: (filters) => wagonService.listAll(filters ?? {}),
   containers: () => containerService.getAll().then((r) => r.data),
   cargoes: () => cargoService.getAll().then((r) => r.data),
   vehicles: (filters) => vehiclesService.getAll(filters ?? {}).then((r) => r.data),
@@ -38,7 +38,7 @@ const pagedHandlers: Partial<
   Record<FleetResourceSlug, (filters: FleetListFilters) => Promise<PaginatedResponse<FleetRecord>>>
 > = {
   locomotives: (filters) => locomotivesService.getPaged(filters).then((r) => r.data),
-  wagons: (filters) => wagonService.getPaged(filters).then((r) => r.data),
+  wagons: (filters) => wagonService.getAll(filters).then((r) => r.data),
 };
 
 export const isFleetServerPaginated = (slug: FleetResourceSlug): boolean =>

apps/edr-freight-web/backoffice/src/services/wagon.service.ts

@@ -95,15 +95,28 @@ export interface WagonMovementRecord {
 }
 
 export const wagonService = {
+  /** One page ({items, meta}); 10 rows unless `pageSize` says otherwise. */
   getAll: (filters: WagonListFilters = {}) =>
-    apiClient.get<Wagon[]>(`/wagons${wagonListQuery(filters)}`),
-  /** Same filters as `getAll`, server-paginated ({items, meta}). */
-  getPaged: (filters: WagonListFilters = {}) =>
-    apiClient.get<PaginatedResponse<Wagon>>(`/wagons/paged${wagonListQuery(filters)}`),
+    apiClient.get<PaginatedResponse<Wagon>>(`/wagons${wagonListQuery(filters)}`),
+  /**
+   * Every matching wagon, page-walked at the API's 100-row cap. For the pickers
+   * and yard views that filter the whole fleet in the browser — a list page
+   * should use `getAll` and show the real page controls instead.
+   */
+  listAll: async (filters: WagonListFilters = {}): Promise<Wagon[]> => {
+    const pageSize = 100;
+    const first = await wagonService.getAll({ ...filters, page: 1, pageSize });
+    const items = [...first.data.items];
+    for (let page = 2; page <= (first.data.meta.totalPages ?? 1); page += 1) {
+      const next = await wagonService.getAll({ ...filters, page, pageSize });
+      items.push(...next.data.items);
+    }
+    return items;
+  },
   getById: (id: string) => apiClient.get<Wagon>(`/wagons/${id}`),
   getMovements: (id: string) =>
     apiClient.get<WagonMovementRecord[]>(`/wagons/${id}/movements`),
-  getByTrain: (trainId: string) => apiClient.get<Wagon[]>(`/wagons?trainId=${trainId}`),
+  getByTrain: (trainId: string) => wagonService.listAll({ trainId }),
   assignToTrain: (wagonId: string, trainId: string, sequenceNumber?: number) =>
     apiClient.post(`/wagons/${wagonId}/assign-train`, { trainId, sequenceNumber }),
   unassign: (wagonId: string) => apiClient.post(`/wagons/${wagonId}/unassign-train`),