feat: page attachments endpoint

apps/server/src/core/attachment/attachment.controller.ts

@@ -53,8 +53,14 @@ import { EnvironmentService } from '../../integrations/environment/environment.s
 import { TokenService } from '../auth/services/token.service';
 import { JwtAttachmentPayload, JwtType } from '../auth/dto/jwt-payload';
 import * as path from 'path';
-import { AttachmentInfoDto, RemoveIconDto } from './dto/attachment.dto';
+import {
+  AttachmentInfoDto,
+  PageIdDto,
+  RemoveIconDto,
+} from './dto/attachment.dto';
+import { PaginationOptions } from '@docmost/db/pagination/pagination-options';
 import { PageAccessService } from '../page/page-access/page-access.service';
+import { DomainService } from '../../integrations/environment/domain.service';
 import { AuditEvent, AuditResource } from '../../common/events/audit-events';
 import {
   AUDIT_SERVICE,
@@ -75,6 +81,7 @@ export class AttachmentController {
     private readonly environmentService: EnvironmentService,
     private readonly tokenService: TokenService,
     private readonly pageAccessService: PageAccessService,
+    private readonly domainService: DomainService,
     @Inject(AUDIT_SERVICE) private readonly auditService: IAuditService,
   ) {}
 
@@ -151,7 +158,10 @@ export class AttachmentController {
         },
       });
 
-      return res.send(fileResponse);
+      return res.send({
+        ...fileResponse,
+        url: this.buildFileUrl(workspace, fileResponse),
+      });
     } catch (err: any) {
       if (err?.statusCode === 413) {
         const errMessage = `File too large. Exceeds the ${this.environmentService.getFileUploadSizeLimit()} limit`;
@@ -411,7 +421,37 @@ export class AttachmentController {
 
     await this.pageAccessService.validateCanView(page, user);
 
-    return attachment;
+    return { ...attachment, url: this.buildFileUrl(workspace, attachment) };
+  }
+
+  @UseGuards(JwtAuthGuard)
+  @HttpCode(HttpStatus.OK)
+  @Post('pages/attachments')
+  async getPageAttachments(
+    @Body() dto: PageIdDto,
+    @Body() pagination: PaginationOptions,
+    @AuthUser() user: User,
+    @AuthWorkspace() workspace: Workspace,
+  ) {
+    const page = await this.pageRepo.findById(dto.pageId);
+    if (!page || page.workspaceId !== workspace.id) {
+      throw new NotFoundException('Page not found');
+    }
+
+    await this.pageAccessService.validateCanView(page, user);
+
+    const result = await this.attachmentRepo.findPageAttachments(
+      page.id,
+      pagination,
+    );
+
+    return {
+      ...result,
+      items: result.items.map((attachment) => ({
+        ...attachment,
+        url: this.buildFileUrl(workspace, attachment),
+      })),
+    };
   }
 
   @UseGuards(JwtAuthGuard)
@@ -465,6 +505,10 @@ export class AttachmentController {
     }
   }
 
+  private buildFileUrl(workspace: Workspace, attachment: Attachment): string {
+    return `${this.domainService.getUrl(workspace.hostname)}/api/files/${attachment.id}/${encodeURIComponent(attachment.fileName)}`;
+  }
+
   private async sendFileResponse(
     req: FastifyRequest,
     res: FastifyReply,

apps/server/src/core/attachment/dto/attachment.dto.ts

@@ -1,4 +1,11 @@
-import { IsEnum, IsIn, IsNotEmpty, IsOptional, IsUUID } from 'class-validator';
+import {
+  IsEnum,
+  IsIn,
+  IsNotEmpty,
+  IsOptional,
+  IsString,
+  IsUUID,
+} from 'class-validator';
 import { AttachmentType } from '../attachment.constants';
 
 export class AttachmentInfoDto {
@@ -7,6 +14,12 @@ export class AttachmentInfoDto {
   attachmentId: string;
 }
 
+export class PageIdDto {
+  @IsString()
+  @IsNotEmpty()
+  pageId: string;
+}
+
 export class RemoveIconDto {
   @IsEnum(AttachmentType)
   @IsIn([

apps/server/src/database/repos/attachment/attachment.repo.ts

@@ -1,5 +1,6 @@
 import { Injectable } from '@nestjs/common';
 import { InjectKysely } from 'nestjs-kysely';
+import { sql } from 'kysely';
 import { KyselyDB, KyselyTransaction } from '@docmost/db/types/kysely.types';
 import { dbOrTx } from '@docmost/db/utils';
 import {
@@ -8,6 +9,8 @@ import {
   UpdatableAttachment,
 } from '@docmost/db/types/entity.types';
 import { AttachmentType } from '../../../core/attachment/attachment.constants';
+import { PaginationOptions } from '@docmost/db/pagination/pagination-options';
+import { executeWithCursorPagination } from '@docmost/db/pagination/cursor-pagination';
 
 @Injectable()
 export class AttachmentRepo {
@@ -89,6 +92,31 @@ export class AttachmentRepo {
       .execute();
   }
 
+  async findPageAttachments(pageId: string, pagination: PaginationOptions) {
+    let query = this.db
+      .selectFrom('attachments')
+      .select(this.baseFields)
+      .where('pageId', '=', pageId)
+      .where('type', '=', AttachmentType.File)
+      .where('deletedAt', 'is', null);
+
+    if (pagination.query) {
+      query = query.where(
+        sql`f_unaccent(file_name)`,
+        'ilike',
+        sql`f_unaccent(${'%' + pagination.query + '%'})`,
+      );
+    }
+
+    return executeWithCursorPagination(query, {
+      perPage: pagination.limit,
+      cursor: pagination.cursor,
+      beforeCursor: pagination.beforeCursor,
+      fields: [{ expression: 'id', direction: 'asc' }],
+      parseCursor: (cursor) => ({ id: cursor.id }),
+    });
+  }
+
   async findByIds(
     ids: string[],
     opts?: {