feat(src) add process to manager personal loans

Author: vpinodev

src/common/dtos/params.dto.ts

@@ -45,9 +45,8 @@ export class ParamsDTO<T> {
 
   @ApiProperty({ description: 'Number of records to skip' })
   @IsOptional()
-  @IsPositive()
   @IsNumber()
-  @Min(1)
+  @Min(0)
   skip?: number;
 
   @ApiProperty({ description: 'Fields to select in the query' })

src/common/services/crud/crud.service.ts

@@ -33,22 +33,24 @@ export class CrudService<T> {
   }
 
   async getAll(params: ParamsDTO<T>): Promise<ResponseDTO> {
-    const options: FindManyOptions<T> = {
-      where: params.filter,
-      order: params.sort as FindOptionsOrder<T>,
-      skip: params.skip,
-      take: params.limit,
-      select: this.mapSelectFields(params.fieldSelected) ?? undefined,
-      relations: params.relations,
-    };
-
-    let count = 0;
-    if (params.limit > 0) {
-      count = await this.count(params.filter);
-    }
-
     try {
-      const data = await this.repository.find(options);
+      const options: FindManyOptions<T> = {
+        where: params.filter,
+        order: params.sort as FindOptionsOrder<T>,
+        skip: params.skip,
+        take: params.limit,
+        select: this.mapSelectFields(params.fieldSelected) ?? undefined,
+        relations: params.relations,
+      };
+
+      let count = 0;
+      if (params.limit > 0) {
+        count = await this.count(params.filter);
+      }
+
+      const cleanedOptions = this.cleanOptions(options);
+
+      const data = await this.repository.find(cleanedOptions);
       return { data, count, skip: +params.skip, limit: +params.limit };
     } catch (error) {
       console.error(error, 'getAll error crud');
@@ -62,11 +64,16 @@ export class CrudService<T> {
     relations: string[] = [],
   ): Promise<ResponseDTO> {
     try {
-      const response = await this.repository.findOne({
+      const options: FindManyOptions<T> = {
         where: data,
+        order: data.sort as FindOptionsOrder<T>,
         select: this.mapSelectFields(fieldSelected as any) ?? undefined,
-        relations,
-      });
+        relations
+      };
+
+      const cleanedOptions = this.cleanOptions(options);
+
+      const response = await this.repository.findOne(cleanedOptions);
 
       return { data: response };
     } catch (error) {
@@ -166,4 +173,22 @@ export class CrudService<T> {
       await queryRunner.release();
     }
   }
+
+  cleanOptions<T>(obj: T): T {
+    const cleanedObject = Object.entries(obj).reduce((acc, [key, value]) => {
+      if (value === undefined || value === '' || (typeof value === 'object' && value !== null && !Array.isArray(value) && Object.keys(value).length === 0)) {
+        return acc;
+      }
+
+      if (typeof value === 'object' && value !== null && !Array.isArray(value)) {
+        acc[key] = this.cleanOptions(value);
+      } else {
+        acc[key] = value;
+      }
+
+      return acc;
+    }, {} as T);
+
+    return cleanedObject;
+  }
 }

src/modules/customer/entities/customer.entity.ts

@@ -8,8 +8,10 @@ import {
   UpdateDateColumn,
   BeforeInsert,
   BeforeUpdate,
+  OneToMany,
 } from 'typeorm';
 import * as bcrypt from 'bcrypt';
+import { PersonalLoan } from 'src/modules/personal-loan/entities/personal-loan.entity';
 
 @Entity()
 export class Customer {
@@ -57,4 +59,7 @@ export class Customer {
       this.password = await bcrypt.hash(this.password, salt);
     }
   }
+
+  @OneToMany(() => PersonalLoan, (personalLoan) => personalLoan.customer)
+  personalLoans: PersonalLoan[];
 }

src/modules/individual-customer/dtos/company-info.dto.ts

@@ -1,8 +1,5 @@
 import { ApiProperty } from '@nestjs/swagger';
-import {
-  IsString,
-  Length
-} from 'class-validator';
+import { IsString, Length } from 'class-validator';
 
 export class CompanyInfoDTO {
   @ApiProperty({

src/modules/personal-loan/dtos/create.personal-loan.dto.ts

@@ -1,15 +1,49 @@
 import { ApiProperty } from '@nestjs/swagger';
 import {
-  IsNotEmpty,
   IsBoolean,
   IsString,
   IsNumber,
-  IsDate,
   ArrayNotEmpty,
+  IsOptional,
+  IsUUID,
 } from 'class-validator';
 
 export class CreatePersonalLoanDto {
+  @ApiProperty()
+  @IsUUID()
+  customerId: string;
+
+  @ApiProperty()
+  @IsString()
+  @IsOptional()
+  monthlyIncome: string;
+
+  @ApiProperty()
+  @IsString()
+  @IsOptional()
+  monthlyBills: string;
+
+  @ApiProperty()
+  @IsNumber()
+  amount: number;
+
   @ApiProperty()
   @IsString()
-  partnerUuid: string;
+  @IsOptional()
+  duration: string;
+
+  @ApiProperty()
+  @ArrayNotEmpty()
+  @IsOptional()
+  assets: string[];
+
+  @ApiProperty()
+  @IsNumber()
+  @IsOptional()
+  assetsAmount: number;
+
+  @ApiProperty()
+  @IsBoolean()
+  @IsOptional()
+  tc: boolean;
 }

src/modules/personal-loan/dtos/loan-details-mounthly.dto.ts

@@ -0,0 +1,14 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { IsString, IsOptional } from 'class-validator';
+
+export class LoanDetailsMounthlyDto {
+  @ApiProperty()
+  @IsString()
+  @IsOptional()
+  monthlyIncome: string;
+
+  @ApiProperty()
+  @IsString()
+  @IsOptional()
+  monthlyBills: string;
+}

src/modules/personal-loan/dtos/update.assets.dto.ts

@@ -0,0 +1,20 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { IsArray, IsNumber } from 'class-validator';
+
+export class UpdateAssetsDto {
+  @ApiProperty({
+    description: 'List of assets associated with the loan',
+    example: ['Car', 'House'],
+    required: false,
+  })
+  @IsArray()
+  assets: string[];
+
+  @ApiProperty({
+    description: 'Total amount of assets',
+    example: 15000,
+    required: false,
+  })
+  @IsNumber()
+  assetsAmount: number;
+}

src/modules/personal-loan/dtos/update.terms-and-conditions.dto.ts

@@ -0,0 +1,12 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { IsBoolean } from 'class-validator';
+
+export class UpdateTermsAndConditionsDto {
+  @ApiProperty({
+    description: 'Indicates whether the terms and conditions are accepted',
+    example: true,
+    required: false,
+  })
+  @IsBoolean()
+  tc: boolean;
+}

src/modules/personal-loan/dtos/update.terms-loan.dto.ts

@@ -0,0 +1,19 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { IsString, IsNumber } from 'class-validator';
+
+export class UpdateTermsLoanDto {
+  @ApiProperty({
+    description: 'The amount of the loan',
+    example: 10000,
+  })
+  @IsNumber()
+  amount: number;
+
+  @ApiProperty({
+    description: 'The duration of the loan',
+    example: '12 months',
+    required: false,
+  })
+  @IsString()
+  duration: string;
+}

src/modules/personal-loan/entities/personal-loan.entity.ts

@@ -4,15 +4,47 @@ import {
   Column,
   CreateDateColumn,
   UpdateDateColumn,
+  ManyToOne,
 } from 'typeorm';
+import { StatusPersonalLoan } from '../enums/personal-loan.enum';
+import { Customer } from 'src/modules/customer/entities/customer.entity';
 
 @Entity()
 export class PersonalLoan {
   @PrimaryGeneratedColumn('uuid')
   id: string;
 
+  @ManyToOne(() => Customer, (customer) => customer.personalLoans)
+  customer: Customer;
+
+  @Column({ nullable: true })
+  monthlyIncome: string;
+
+  @Column({ nullable: true })
+  monthlyBills: string;
+
+  @Column({ type: 'numeric', nullable: true })
+  amount: number;
+
   @Column({ nullable: true })
-  partnerUuid: string;
+  duration: string;
+
+  @Column('text', { array: true, nullable: true })
+  assets: string[];
+
+  @Column({ type: 'numeric', nullable: true })
+  assetsAmount: number;
+
+  @Column({ type: 'boolean', nullable: true })
+  tc: boolean;
+
+  @Column({
+    type: 'enum',
+    enum: StatusPersonalLoan,
+    default: StatusPersonalLoan.MOUNTHLY_BUDGET,
+    nullable: true,
+  })
+  status: StatusPersonalLoan;
 
   @Column({ type: 'boolean', default: true, nullable: true })
   isActive: boolean;

src/modules/personal-loan/enums/personal-loan.enum.ts

@@ -0,0 +1,11 @@
+export enum StatusPersonalLoan {
+  MOUNTHLY_BUDGET = 'MOUNTHLY_BUDGET',
+  TEMRS_LOAN = 'TEMRS_LOAN',
+  ASSETS = 'ASSETS',
+  TC = 'TC',
+  CREATED = 'CREATED',
+  PENDING = 'PENDING',
+  IN_PROCESS = 'IN_PROCESS',
+  FAILED = 'FAILED',
+  COMPLETED = 'COMPLETED',
+}

src/modules/personal-loan/interfaces/personal-loan.interfaces.ts

@@ -1,3 +1,17 @@
+import { StatusPersonalLoan } from '../enums/personal-loan.enum';
+
 export interface IPersonalLoan {
-  partnerUuid: string;
+  id: string;
+  monthlyIncome: string;
+  monthlyBills: string;
+  amount: number;
+  duration: string;
+  assets: any;
+  assetsAmount: number;
+  tc: boolean;
+  status: StatusPersonalLoan;
+  isActive: boolean;
+  isDeleted: boolean;
+  createdAt: Date;
+  updatedAt: Date;
 }