WIP - manually sharing records

backend/src/models/record-share.model.ts

@@ -9,6 +9,18 @@ export interface RecordShareAccessLevel {
 export class RecordShare extends BaseModel {
   static tableName = 'record_shares';
 
+  // Disable automatic snake_case conversion for this table
+  static get columnNameMappers() {
+    return {
+      parse(obj: any) {
+        return obj;
+      },
+      format(obj: any) {
+        return obj;
+      },
+    };
+  }
+
   id!: string;
   objectDefinitionId!: string;
   recordId!: string;
@@ -37,8 +49,8 @@ export class RecordShare extends BaseModel {
             canDelete: { type: 'boolean' },
           },
         },
-        expiresAt: { type: 'string', format: 'date-time' },
-        revokedAt: { type: 'string', format: 'date-time' },
+        expiresAt: { type: ['string', 'null'], format: 'date-time' },
+        revokedAt: { type: ['string', 'null'], format: 'date-time' },
       },
     };
   }

backend/src/rbac/dto/create-record-share.dto.ts

@@ -0,0 +1,19 @@
+import { IsString, IsBoolean, IsOptional, IsDateString } from 'class-validator';
+
+export class CreateRecordShareDto {
+  @IsString()
+  granteeUserId: string;
+
+  @IsBoolean()
+  canRead: boolean;
+
+  @IsBoolean()
+  canEdit: boolean;
+
+  @IsBoolean()
+  canDelete: boolean;
+
+  @IsOptional()
+  @IsDateString()
+  expiresAt?: string;
+}

backend/src/rbac/rbac.module.ts

@@ -4,11 +4,12 @@ import { AbilityFactory } from './ability.factory';
 import { AuthorizationService } from './authorization.service';
 import { SetupRolesController } from './setup-roles.controller';
 import { SetupUsersController } from './setup-users.controller';
+import { RecordSharingController } from './record-sharing.controller';
 import { TenantModule } from '../tenant/tenant.module';
 
 @Module({
   imports: [TenantModule],
-  controllers: [SetupRolesController, SetupUsersController],
+  controllers: [SetupRolesController, SetupUsersController, RecordSharingController],
   providers: [RbacService, AbilityFactory, AuthorizationService],
   exports: [RbacService, AbilityFactory, AuthorizationService],
 })

backend/src/rbac/record-sharing.controller.ts

@@ -0,0 +1,318 @@
+import {
+  Controller,
+  Get,
+  Post,
+  Delete,
+  Param,
+  Body,
+  UseGuards,
+  ForbiddenException,
+} from '@nestjs/common';
+import { JwtAuthGuard } from '../auth/jwt-auth.guard';
+import { TenantId } from '../tenant/tenant.decorator';
+import { CurrentUser } from '../auth/current-user.decorator';
+import { TenantDatabaseService } from '../tenant/tenant-database.service';
+import { RecordShare } from '../models/record-share.model';
+import { ObjectDefinition } from '../models/object-definition.model';
+import { User } from '../models/user.model';
+import { AuthorizationService } from './authorization.service';
+import { CreateRecordShareDto } from './dto/create-record-share.dto';
+
+@Controller('runtime/objects/:objectApiName/records/:recordId/shares')
+@UseGuards(JwtAuthGuard)
+export class RecordSharingController {
+  constructor(
+    private tenantDbService: TenantDatabaseService,
+    private authService: AuthorizationService,
+  ) {}
+
+  @Get()
+  async getRecordShares(
+    @TenantId() tenantId: string,
+    @Param('objectApiName') objectApiName: string,
+    @Param('recordId') recordId: string,
+    @CurrentUser() currentUser: any,
+  ) {
+    const resolvedTenantId = await this.tenantDbService.resolveTenantId(tenantId);
+    const knex = await this.tenantDbService.getTenantKnexById(resolvedTenantId);
+
+    // Get object definition
+    const objectDef = await ObjectDefinition.query(knex)
+      .findOne({ apiName: objectApiName });
+
+    if (!objectDef) {
+      throw new Error('Object not found');
+    }
+
+    // Get the record to check ownership
+    const tableName = this.getTableName(objectDef.apiName);
+    const record = await knex(tableName)
+      .where({ id: recordId })
+      .first();
+
+    if (!record) {
+      throw new Error('Record not found');
+    }
+
+    // Only owner can view shares
+    if (record.ownerId !== currentUser.userId) {
+      // Check if user has modify all permission
+      const user: any = await User.query(knex)
+        .findById(currentUser.userId)
+        .withGraphFetched('roles.objectPermissions');
+
+      if (!user) {
+        throw new ForbiddenException('User not found');
+      }
+
+      const hasModifyAll = user.roles?.some(role =>
+        role.objectPermissions?.some(
+          perm => perm.objectDefinitionId === objectDef.id && perm.canModifyAll
+        )
+      );
+
+      if (!hasModifyAll) {
+        throw new ForbiddenException('Only the record owner or users with Modify All permission can view shares');
+      }
+    }
+
+    // Get all active shares for this record
+    const shares = await RecordShare.query(knex)
+      .where({ objectDefinitionId: objectDef.id, recordId })
+      .whereNull('revokedAt')
+      .where(builder => {
+        builder.whereNull('expiresAt').orWhere('expiresAt', '>', new Date());
+      })
+      .withGraphFetched('[granteeUser]')
+      .orderBy('createdAt', 'desc');
+
+    return shares;
+  }
+
+  @Post()
+  async createRecordShare(
+    @TenantId() tenantId: string,
+    @Param('objectApiName') objectApiName: string,
+    @Param('recordId') recordId: string,
+    @CurrentUser() currentUser: any,
+    @Body() data: CreateRecordShareDto,
+  ) {
+    const resolvedTenantId = await this.tenantDbService.resolveTenantId(tenantId);
+    const knex = await this.tenantDbService.getTenantKnexById(resolvedTenantId);
+
+    // Get object definition
+    const objectDef = await ObjectDefinition.query(knex)
+      .findOne({ apiName: objectApiName });
+
+    if (!objectDef) {
+      throw new Error('Object not found');
+    }
+
+    // Get the record to check ownership
+    const tableName = this.getTableName(objectDef.apiName);
+    const record = await knex(tableName)
+      .where({ id: recordId })
+      .first();
+
+    if (!record) {
+      throw new Error('Record not found');
+    }
+
+    // Check if user can share - either owner or has modify permissions
+    const canShare = await this.canUserShareRecord(
+      currentUser.userId,
+      record,
+      objectDef,
+      knex,
+    );
+
+    if (!canShare) {
+      throw new ForbiddenException('You do not have permission to share this record');
+    }
+
+    // Cannot share with self
+    if (data.granteeUserId === currentUser.userId) {
+      throw new Error('Cannot share record with yourself');
+    }
+
+    // Check if share already exists
+    const existingShare = await RecordShare.query(knex)
+      .where({
+        objectDefinitionId: objectDef.id,
+        recordId,
+        granteeUserId: data.granteeUserId,
+      })
+      .whereNull('revokedAt')
+      .first();
+
+    if (existingShare) {
+      // Update existing share
+      await RecordShare.query(knex)
+        .patchAndFetchById(existingShare.id, {
+          accessLevel: {
+            canRead: data.canRead,
+            canEdit: data.canEdit,
+            canDelete: data.canDelete,
+          },
+          expiresAt: data.expiresAt ? new Date(data.expiresAt) : null,
+        });
+
+      return RecordShare.query(knex)
+        .findById(existingShare.id)
+        .withGraphFetched('[granteeUser]');
+    }
+
+    // Create new share
+    const share = await RecordShare.query(knex).insert({
+      objectDefinitionId: objectDef.id,
+      recordId,
+      granteeUserId: data.granteeUserId,
+      grantedByUserId: currentUser.userId,
+      accessLevel: {
+        canRead: data.canRead,
+        canEdit: data.canEdit,
+        canDelete: data.canDelete,
+      },
+      expiresAt: data.expiresAt ? new Date(data.expiresAt) : null,
+    });
+
+    return RecordShare.query(knex)
+      .findById(share.id)
+      .withGraphFetched('[granteeUser]');
+  }
+
+  @Delete(':shareId')
+  async deleteRecordShare(
+    @TenantId() tenantId: string,
+    @Param('objectApiName') objectApiName: string,
+    @Param('recordId') recordId: string,
+    @Param('shareId') shareId: string,
+    @CurrentUser() currentUser: any,
+  ) {
+    const resolvedTenantId = await this.tenantDbService.resolveTenantId(tenantId);
+    const knex = await this.tenantDbService.getTenantKnexById(resolvedTenantId);
+
+    // Get object definition
+    const objectDef = await ObjectDefinition.query(knex)
+      .findOne({ apiName: objectApiName });
+
+    if (!objectDef) {
+      throw new Error('Object not found');
+    }
+
+    // Get the record to check ownership
+    const tableName = this.getTableName(objectDef.apiName);
+    const record = await knex(tableName)
+      .where({ id: recordId })
+      .first();
+
+    if (!record) {
+      throw new Error('Record not found');
+    }
+
+    // Only owner can revoke shares
+    if (record.ownerId !== currentUser.userId) {
+      // Check if user has modify all permission
+      const user: any = await User.query(knex)
+        .findById(currentUser.userId)
+        .withGraphFetched('roles.objectPermissions');
+
+      if (!user) {
+        throw new ForbiddenException('User not found');
+      }
+
+      const hasModifyAll = user.roles?.some(role =>
+        role.objectPermissions?.some(
+          perm => perm.objectDefinitionId === objectDef.id && perm.canModifyAll
+        )
+      );
+
+      if (!hasModifyAll) {
+        throw new ForbiddenException('Only the record owner or users with Modify All permission can revoke shares');
+      }
+    }
+
+    // Revoke the share (soft delete)
+    await RecordShare.query(knex)
+      .patchAndFetchById(shareId, {
+        revokedAt: new Date(),
+      });
+
+    return { success: true };
+  }
+
+  private async canUserShareRecord(
+    userId: string,
+    record: any,
+    objectDef: ObjectDefinition,
+    knex: any,
+  ): Promise<boolean> {
+    // Owner can always share
+    if (record.ownerId === userId) {
+      return true;
+    }
+
+    // Check if user has modify all or edit permissions
+    const user: any = await User.query(knex)
+      .findById(userId)
+      .withGraphFetched('roles.objectPermissions');
+
+    if (!user) {
+      return false;
+    }
+
+    // Check for canModifyAll permission
+    const hasModifyAll = user.roles?.some(role =>
+      role.objectPermissions?.some(
+        perm => perm.objectDefinitionId === objectDef.id && perm.canModifyAll
+      )
+    );
+
+    if (hasModifyAll) {
+      return true;
+    }
+
+    // Check for canEdit permission (user needs edit to share)
+    const hasEdit = user.roles?.some(role =>
+      role.objectPermissions?.some(
+        perm => perm.objectDefinitionId === objectDef.id && perm.canEdit
+      )
+    );
+
+    // If user has edit permission, check if they can actually edit this record
+    // by using the authorization service
+    if (hasEdit) {
+      try {
+        await this.authService.assertCanPerformAction(
+          'update',
+          objectDef,
+          record,
+          user,
+          knex,
+        );
+        return true;
+      } catch {
+        return false;
+      }
+    }
+
+    return false;
+  }
+
+  private getTableName(apiName: string): string {
+    // Convert CamelCase to snake_case and pluralize
+    const snakeCase = apiName
+      .replace(/([A-Z])/g, '_$1')
+      .toLowerCase()
+      .replace(/^_/, '');
+    
+    // Simple pluralization
+    if (snakeCase.endsWith('y')) {
+      return snakeCase.slice(0, -1) + 'ies';
+    } else if (snakeCase.endsWith('s')) {
+      return snakeCase + 'es';
+    } else {
+      return snakeCase + 's';
+    }
+  }
+}