feat: add KYC onboarding metadata endpoint with POI validation

src/customer/controllers/customer.controller.ts

@@ -1,12 +1,12 @@
 import { Body, Controller, Get, Post, UseGuards } from '@nestjs/common';
-import { ApiBearerAuth, ApiTags } from '@nestjs/swagger';
+import { ApiBearerAuth, ApiOperation, ApiTags } from '@nestjs/swagger';
 import { IJwtPayload } from '~/auth/interfaces';
 import { AuthenticatedUser } from '~/common/decorators';
 import { AccessTokenGuard } from '~/common/guards';
 import { ApiDataResponse, ApiLangRequestHeader } from '~/core/decorators';
 import { ResponseFactory } from '~/core/utils';
 import { InitiateKycRequestDto } from '../dtos/request';
-import { CustomerResponseDto, InitiateKycResponseDto } from '../dtos/response';
+import { CustomerResponseDto, InitiateKycResponseDto, KycMetadataResponseDto } from '../dtos/response';
 import { CustomerService } from '../services';
 
 @Controller('customers')
@@ -32,4 +32,14 @@ export class CustomerController {
 
     return ResponseFactory.data(new InitiateKycResponseDto(res.randomNumber));
   }
+
+  @Get('/kyc/onboard-metadata')
+  @UseGuards(AccessTokenGuard)
+  @ApiOperation({ summary: 'Get KYC onboarding form metadata' })
+  @ApiDataResponse(KycMetadataResponseDto)
+  async getKycMetadata() {
+    const metadata = await this.customerService.getKycOnboardMetadata();
+
+    return ResponseFactory.data(metadata);
+  }
 }

src/customer/customer.module.ts

@@ -6,12 +6,12 @@ import { UserModule } from '~/user/user.module';
 import { CustomerController } from './controllers';
 import { Customer } from './entities';
 import { CustomerRepository } from './repositories/customer.repository';
-import { CustomerService } from './services';
+import { CustomerService, MetadataService } from './services';
 
 @Module({
   imports: [TypeOrmModule.forFeature([Customer]), GuardianModule, forwardRef(() => UserModule), NeoLeapModule],
   controllers: [CustomerController],
-  providers: [CustomerService, CustomerRepository],
+  providers: [CustomerService, CustomerRepository, MetadataService],
   exports: [CustomerService],
 })
 export class CustomerModule {}

src/customer/dtos/response/index.ts

@@ -1,2 +1,3 @@
 export * from './customer.response.dto';
 export * from './initiate-kyc.response.dto';
+export * from './kyc-metadata.response.dto';

src/customer/dtos/response/kyc-metadata.response.dto.ts

@@ -0,0 +1,20 @@
+export class MetadataOptionDto {
+  value!: string;
+  label!: string;
+}
+
+export class PoiValidationRule {
+  poiType!: string;
+  pattern!: string;
+  description!: string;
+  example!: string;
+}
+
+export class KycMetadataResponseDto {
+  poiTypes!: MetadataOptionDto[];
+  jobSectors!: MetadataOptionDto[];
+  incomeSources!: MetadataOptionDto[];
+  jobCategories!: MetadataOptionDto[];
+  incomeRanges!: MetadataOptionDto[];
+  poiValidation!: PoiValidationRule[];
+}

src/customer/enums/income-range.enum.ts

@@ -0,0 +1,8 @@
+export enum IncomeRange {
+  BELOW_2000 = 'SAR 2,000 and below',
+  RANGE_2000_5000 = 'SAR 2,000 to 5,000',
+  RANGE_5000_10000 = 'SAR 5,000 to 10,000',
+  RANGE_10000_20000 = 'SAR 10,000 to 20,000',
+  ABOVE_20000 = 'SAR 20,000 and above',
+}
+

src/customer/enums/income-source.enum.ts

@@ -0,0 +1,9 @@
+export enum IncomeSource {
+  SALARY = 'SALARY',
+  ANCESTRAL = 'ANCESTRAL',
+  REAL_ESTATE = 'REAL_ESTATE',
+  INVESTMENT_RETURNS = 'INVESTMENT_RETURNS',
+  RENTAL_INCOME = 'RENTAL_INCOME',
+  OTHER = 'OTHER',
+}
+

src/customer/enums/index.ts

@@ -1,3 +1,8 @@
 export * from './customer-status.enum';
 export * from './gender.enum';
 export * from './kyc-status.enum';
+export * from './poi-type.enum';
+export * from './job-sector.enum';
+export * from './income-source.enum';
+export * from './job-category.enum';
+export * from './income-range.enum';

src/customer/enums/job-category.enum.ts

@@ -0,0 +1,57 @@
+export enum JobCategory {
+  ASSISTANT_MINISTER = 'ASSISTANT_MINISTER',
+  DEPUTY_MINISTER = 'DEPUTY_MINISTER',
+  UNDER_SECRETARY = 'UNDER_SECRETARY',
+  GENERAL_MANAGER = 'GENERAL_MANAGER',
+  CHAIRMAN = 'CHAIRMAN',
+  MANAGER = 'MANAGER',
+  PROFESSOR = 'PROFESSOR',
+  HEAD_OF_COURT = 'HEAD_OF_COURT',
+  JUDGE = 'JUDGE',
+  LAWYER = 'LAWYER',
+  SCIENTIST = 'SCIENTIST',
+  NOTARY = 'NOTARY',
+  BUSINESSMAN = 'BUSINESSMAN',
+  MERCHANT = 'MERCHANT',
+  PHARMACIST = 'PHARMACIST',
+  DOCTOR = 'DOCTOR',
+  MEDICAL_TECHNICIAN = 'MEDICAL_TECHNICIAN',
+  NURSE = 'NURSE',
+  ENGINEER = 'ENGINEER',
+  CHEMIST = 'CHEMIST',
+  CONTRACTOR = 'CONTRACTOR',
+  AUDITOR_ACCOUNTANT = 'AUDITOR_ACCOUNTANT',
+  RESEARCHER = 'RESEARCHER',
+  ACCOUNTANT = 'ACCOUNTANT',
+  JOURNALIST = 'JOURNALIST',
+  DESIGNER = 'DESIGNER',
+  COMPUTER_SPECIALIST = 'COMPUTER_SPECIALIST',
+  TRANSLATOR = 'TRANSLATOR',
+  TEACHER = 'TEACHER',
+  PILOT = 'PILOT',
+  HOST = 'HOST',
+  OFFICER = 'OFFICER',
+  SOLDIER = 'SOLDIER',
+  RETIRED = 'RETIRED',
+  SALESMAN = 'SALESMAN',
+  AUTHOR = 'AUTHOR',
+  CRAFTSMAN = 'CRAFTSMAN',
+  SECURITY = 'SECURITY',
+  LABORER = 'LABORER',
+  DRIVER = 'DRIVER',
+  FARMER = 'FARMER',
+  HOUSEWIFE = 'HOUSEWIFE',
+  DIPLOMAT = 'DIPLOMAT',
+  STUDENT = 'STUDENT',
+  FREELANCER = 'FREELANCER',
+  SHEPHERD = 'SHEPHERD',
+  HOUSEMAID_OR_BABYSITTER = 'HOUSEMAID_OR_BABYSITTER',
+  CAPTAIN = 'CAPTAIN',
+  AMBASSADOR = 'AMBASSADOR',
+  MARKETING = 'MARKETING',
+  CONSULTING = 'CONSULTING',
+  SUPERVISOR = 'SUPERVISOR',
+  BANKER = 'BANKER',
+  BODYGUARD_OR_PERSONAL_ASSISTANT = 'BODYGUARD_OR_PERSONAL_ASSISTANT',
+}
+

src/customer/enums/job-sector.enum.ts

@@ -0,0 +1,12 @@
+export enum JobSector {
+  GOVERNMENT_SECTOR = 'GOVERNMENT_SECTOR',
+  HOME_MAKER = 'HOME_MAKER',
+  MILITARY = 'MILITARY',
+  PRIVATE_SECTOR = 'PRIVATE_SECTOR',
+  RETIRED = 'RETIRED',
+  SELF_EMPLOYED = 'SELF_EMPLOYED',
+  STUDENT = 'STUDENT',
+  HOUSEHOLD_LABOR = 'HOUSEHOLD_LABOR',
+  UNEMPLOYED = 'UNEMPLOYED',
+}
+

src/customer/enums/poi-type.enum.ts

@@ -0,0 +1,5 @@
+export enum PoiType {
+  IQA = 'IQA', // Iqama (Resident ID)
+  NAT = 'NAT', // National ID
+}
+

src/customer/services/customer.service.ts

@@ -12,6 +12,7 @@ import { InitiateKycRequestDto } from '../dtos/request';
 import { Customer } from '../entities';
 import { Gender, KycStatus } from '../enums';
 import { CustomerRepository } from '../repositories/customer.repository';
+import { MetadataService } from './metadata.service';
 
 @Injectable()
 export class CustomerService {
@@ -20,6 +21,7 @@ export class CustomerService {
     private readonly customerRepository: CustomerRepository,
     private readonly guardianService: GuardianService,
     @Inject(forwardRef(() => NeoLeapService)) private readonly neoleapService: NeoLeapService,
+    private readonly metadataService: MetadataService,
   ) {}
 
   async updateCustomer(userId: string, data: Partial<Customer>): Promise<Customer> {
@@ -149,6 +151,11 @@ export class CustomerService {
     return this.findCustomerById(userId);
   }
 
+  getKycOnboardMetadata() {
+    this.logger.log('Getting KYC onboard metadata');
+    return this.metadataService.getKycOnboardMetadata();
+  }
+
   // TO BE REMOVED: This function is for testing only and will be removed
   private generateSaudiPhoneNumber(): string {
     // Saudi mobile numbers are 9 digits, always starting with '5'

src/customer/services/index.ts

@@ -1 +1,2 @@
 export * from './customer.service';
+export * from './metadata.service';

src/customer/services/metadata.service.ts

@@ -0,0 +1,105 @@
+import { Injectable } from '@nestjs/common';
+import { IncomeRange, IncomeSource, JobCategory, JobSector, PoiType } from '../enums';
+import { KycMetadataResponseDto, MetadataOptionDto } from '../dtos/response';
+
+@Injectable()
+export class MetadataService {
+  getKycOnboardMetadata(): KycMetadataResponseDto {
+    return {
+      poiTypes: this.enumToOptions(PoiType, {
+        [PoiType.IQA]: 'Iqama (Resident ID)',
+        [PoiType.NAT]: 'National ID',
+      }),
+      jobSectors: this.enumToOptions(JobSector, {
+        [JobSector.GOVERNMENT_SECTOR]: 'Government Sector',
+        [JobSector.HOME_MAKER]: 'Home Maker',
+        [JobSector.MILITARY]: 'Military',
+        [JobSector.PRIVATE_SECTOR]: 'Private Sector',
+        [JobSector.RETIRED]: 'Retired',
+        [JobSector.SELF_EMPLOYED]: 'Self Employed',
+        [JobSector.STUDENT]: 'Student',
+        [JobSector.HOUSEHOLD_LABOR]: 'Household Labor',
+        [JobSector.UNEMPLOYED]: 'Unemployed',
+      }),
+      incomeSources: this.enumToOptions(IncomeSource, {
+        [IncomeSource.SALARY]: 'Salary',
+        [IncomeSource.ANCESTRAL]: 'Ancestral/Inheritance',
+        [IncomeSource.REAL_ESTATE]: 'Real Estate',
+        [IncomeSource.INVESTMENT_RETURNS]: 'Investment Returns',
+        [IncomeSource.RENTAL_INCOME]: 'Rental Income',
+        [IncomeSource.OTHER]: 'Other',
+      }),
+      jobCategories: this.enumToOptions(JobCategory, {
+        [JobCategory.ASSISTANT_MINISTER]: 'Assistant Minister',
+        [JobCategory.DEPUTY_MINISTER]: 'Deputy Minister',
+        [JobCategory.UNDER_SECRETARY]: 'Under Secretary',
+        [JobCategory.GENERAL_MANAGER]: 'General Manager',
+        [JobCategory.CHAIRMAN]: 'Chairman',
+        [JobCategory.MANAGER]: 'Manager',
+        [JobCategory.PROFESSOR]: 'Professor',
+        [JobCategory.HEAD_OF_COURT]: 'Head of Court',
+        [JobCategory.JUDGE]: 'Judge',
+        [JobCategory.LAWYER]: 'Lawyer',
+        [JobCategory.SCIENTIST]: 'Scientist',
+        [JobCategory.NOTARY]: 'Notary',
+        [JobCategory.BUSINESSMAN]: 'Businessman',
+        [JobCategory.MERCHANT]: 'Merchant',
+        [JobCategory.PHARMACIST]: 'Pharmacist',
+        [JobCategory.DOCTOR]: 'Doctor',
+        [JobCategory.MEDICAL_TECHNICIAN]: 'Medical Technician',
+        [JobCategory.NURSE]: 'Nurse',
+        [JobCategory.ENGINEER]: 'Engineer',
+        [JobCategory.CHEMIST]: 'Chemist',
+        [JobCategory.CONTRACTOR]: 'Contractor',
+        [JobCategory.AUDITOR_ACCOUNTANT]: 'Auditor/Accountant',
+        [JobCategory.RESEARCHER]: 'Researcher',
+        [JobCategory.ACCOUNTANT]: 'Accountant',
+        [JobCategory.JOURNALIST]: 'Journalist',
+        [JobCategory.DESIGNER]: 'Designer',
+        [JobCategory.COMPUTER_SPECIALIST]: 'Computer Specialist',
+        [JobCategory.TRANSLATOR]: 'Translator',
+        [JobCategory.TEACHER]: 'Teacher',
+        [JobCategory.PILOT]: 'Pilot',
+        [JobCategory.HOST]: 'Host',
+        [JobCategory.OFFICER]: 'Officer',
+        [JobCategory.SOLDIER]: 'Soldier',
+        [JobCategory.RETIRED]: 'Retired',
+        [JobCategory.SALESMAN]: 'Salesman',
+        [JobCategory.AUTHOR]: 'Author',
+        [JobCategory.CRAFTSMAN]: 'Craftsman',
+        [JobCategory.SECURITY]: 'Security',
+        [JobCategory.LABORER]: 'Laborer',
+        [JobCategory.DRIVER]: 'Driver',
+        [JobCategory.FARMER]: 'Farmer',
+        [JobCategory.HOUSEWIFE]: 'Housewife',
+        [JobCategory.DIPLOMAT]: 'Diplomat',
+        [JobCategory.STUDENT]: 'Student',
+        [JobCategory.FREELANCER]: 'Freelancer',
+        [JobCategory.SHEPHERD]: 'Shepherd',
+        [JobCategory.HOUSEMAID_OR_BABYSITTER]: 'Housemaid/Babysitter',
+        [JobCategory.CAPTAIN]: 'Captain',
+        [JobCategory.AMBASSADOR]: 'Ambassador',
+        [JobCategory.MARKETING]: 'Marketing',
+        [JobCategory.CONSULTING]: 'Consulting',
+        [JobCategory.SUPERVISOR]: 'Supervisor',
+        [JobCategory.BANKER]: 'Banker',
+        [JobCategory.BODYGUARD_OR_PERSONAL_ASSISTANT]: 'Bodyguard/Personal Assistant',
+      }),
+      incomeRanges: this.enumToOptions(IncomeRange, {
+        [IncomeRange.BELOW_2000]: 'SAR 2,000 and below',
+        [IncomeRange.RANGE_2000_5000]: 'SAR 2,000 to 5,000',
+        [IncomeRange.RANGE_5000_10000]: 'SAR 5,000 to 10,000',
+        [IncomeRange.RANGE_10000_20000]: 'SAR 10,000 to 20,000',
+        [IncomeRange.ABOVE_20000]: 'SAR 20,000 and above',
+      }),
+    };
+  }
+
+  private enumToOptions(enumObj: any, labels: Record<string, string>): MetadataOptionDto[] {
+    return Object.keys(enumObj).map((key) => ({
+      value: enumObj[key],
+      label: labels[enumObj[key]] || enumObj[key],
+    }));
+  }
+}
+

src/customer/validators/poi-number.validator.ts

@@ -0,0 +1,64 @@
+import {
+  registerDecorator,
+  ValidationOptions,
+  ValidatorConstraint,
+  ValidatorConstraintInterface,
+  ValidationArguments,
+} from 'class-validator';
+import { PoiType } from '../enums';
+
+@ValidatorConstraint({ name: 'IsValidPoiNumber', async: false })
+export class IsValidPoiNumberConstraint implements ValidatorConstraintInterface {
+  validate(poiNumber: string, args: ValidationArguments) {
+    const object = args.object as any;
+    const poiType = object.poiType;
+
+    if (!poiNumber || !poiType) {
+      return false;
+    }
+
+    // Saudi National ID: 10 digits, typically starts with 1 or 2
+    const nationalIdPattern = /^[12]\d{9}$/;
+
+    // Iqama (Resident ID): 10 digits, typically starts with other numbers (not 1 or 2)
+    const iqamaPattern = /^[3-9]\d{9}$/;
+
+    if (poiType === PoiType.NAT) {
+      return nationalIdPattern.test(poiNumber);
+    }
+
+    if (poiType === PoiType.IQA) {
+      return iqamaPattern.test(poiNumber);
+    }
+
+    return false;
+  }
+
+  defaultMessage(args: ValidationArguments) {
+    const object = args.object as any;
+    const poiType = object.poiType;
+
+    if (poiType === PoiType.NAT) {
+      return 'National ID must be 10 digits and start with 1 or 2';
+    }
+
+    if (poiType === PoiType.IQA) {
+      return 'Iqama number must be 10 digits and start with 3-9';
+    }
+
+    return 'Invalid POI number format';
+  }
+}
+
+export function IsValidPoiNumber(validationOptions?: ValidationOptions) {
+  return function (object: Object, propertyName: string) {
+    registerDecorator({
+      target: object.constructor,
+      propertyName: propertyName,
+      options: validationOptions,
+      constraints: [],
+      validator: IsValidPoiNumberConstraint,
+    });
+  };
+}
+