fix(merge): conflicts resolved

docs/swagger/swagger-spec.json

@@ -3,7 +3,7 @@
   "paths": {
     "/": {
       "get": {
-        "operationId": "ShiftsValidationController_getSummary",
+        "operationId": "ShiftsOverviewController_getSummary",
         "parameters": [],
         "responses": {
           "200": {
@@ -11,7 +11,7 @@
           }
         },
         "tags": [
-          "ShiftsValidation"
+          "ShiftsOverview"
         ]
       }
     },
@@ -739,6 +739,34 @@
         ]
       }
     },
+    "/Expenses/{id}/approval": {
+      "patch": {
+        "operationId": "ExpensesController_approve",
+        "parameters": [
+          {
+            "name": "id",
+            "required": true,
+            "in": "path",
+            "schema": {
+              "type": "number"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "access-token": []
+          }
+        ],
+        "tags": [
+          "Expenses"
+        ]
+      }
+    },
     "/shifts": {
       "post": {
         "operationId": "ShiftsController_create",
@@ -933,9 +961,37 @@
         ]
       }
     },
+    "/shifts/{id}/approval": {
+      "patch": {
+        "operationId": "ShiftsController_approve",
+        "parameters": [
+          {
+            "name": "id",
+            "required": true,
+            "in": "path",
+            "schema": {
+              "type": "number"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "access-token": []
+          }
+        ],
+        "tags": [
+          "Shifts"
+        ]
+      }
+    },
     "/export.csv": {
       "get": {
-        "operationId": "ShiftsValidationController_exportCsv",
+        "operationId": "ShiftsOverviewController_exportCsv",
         "parameters": [],
         "responses": {
           "200": {
@@ -943,7 +999,7 @@
           }
         },
         "tags": [
-          "ShiftsValidation"
+          "ShiftsOverview"
         ]
       }
     },
@@ -1288,6 +1344,29 @@
         ]
       }
     },
+    "/exports/csv": {
+      "get": {
+        "operationId": "CsvExportController_exportCsv",
+        "parameters": [
+          {
+            "name": "period",
+            "required": true,
+            "in": "query",
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": ""
+          }
+        },
+        "tags": [
+          "CsvExport"
+        ]
+      }
+    },
     "/customers": {
       "post": {
         "operationId": "CustomersController_create",

prisma/migrations/20250806151558_adding_validation_status_to_shifts_enum_wedding_added/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "shifts" ADD COLUMN     "is_approved" BOOLEAN NOT NULL DEFAULT false;

prisma/schema.prisma

@@ -175,6 +175,7 @@ model Shifts {
   date         DateTime   @db.Date
   start_time   DateTime   @db.Time(0)
   end_time     DateTime   @db.Time(0)
+  is_approved  Boolean    @default(false)
 
   archive ShiftsArchive[] @relation("ShiftsToArchive")
 
@@ -283,6 +284,7 @@ enum LeaveTypes {
   BEREAVEMENT // deuil de famille
   PARENTAL // maternite/paternite/adoption
   LEGAL // obligations legales comme devoir de juree
+  WEDDING // mariage
   
   @@map("leave_types")
 }

src/app.module.ts

@@ -18,8 +18,8 @@ import { ArchivalModule } from './modules/archival/archival.module';
 import { BankCodesModule } from './modules/bank-codes/bank-codes.module';
 import { OvertimeService } from './modules/business-logics/services/overtime.service';
 import { BusinessLogicsModule } from './modules/business-logics/business-logics.module';
-import { ShiftsValidationModule } from './modules/shifts/validation/shifts-validation.module';
 import { OauthSessionsModule } from './modules/oauth-sessions/oauth-sessions.module';
+import { CsvExportModule } from './modules/exports/csv-exports.module';
 
 @Module({
   imports: [
@@ -28,6 +28,7 @@ import { OauthSessionsModule } from './modules/oauth-sessions/oauth-sessions.mod
       AuthenticationModule,
       BankCodesModule,
       BusinessLogicsModule,
+      CsvExportModule,
       CustomersModule,
       EmployeesModule,
       ExpensesModule,
@@ -37,7 +38,6 @@ import { OauthSessionsModule } from './modules/oauth-sessions/oauth-sessions.mod
       PayperiodsModule,
       PrismaModule,
       ShiftsModule,
-      ShiftsValidationModule,
       TimesheetsModule,
       UsersModule,
     ],

src/common/shared/base-approval.service.ts

@@ -0,0 +1,26 @@
+import { NotFoundException } from "@nestjs/common";
+import { PrismaService } from "src/prisma/prisma.service";
+
+//abstract class for approving or rejecting a shift, expense, timesheet or pay-period
+export abstract class BaseApprovalService<T> {
+    protected constructor(protected readonly prisma: PrismaService) {}
+
+    //returns the corresponding Prisma delegate
+    protected abstract get delegate(): {
+        update(args: {where: {id: number };
+                       data: { is_approved: boolean }
+                     }): Promise<T>;
+    };
+
+    //standard update Aproval
+    async updateApproval(id: number, isApproved: boolean): Promise<T> {
+        const entity = await this.delegate.update({
+            where: { id },
+            data: { is_approved: isApproved },
+        });
+
+        if(!entity) throw new NotFoundException(`Entity #${id} not found`);
+
+        return entity;
+    }
+}

src/common/shared/build-prisma-where.ts

@@ -0,0 +1,21 @@
+//Prisma 'where' clause for DTO filters
+export function buildPrismaWhere<T extends Record<string, any>>(dto: T): Record <string, any> {
+    const where: Record<string,any> = {};
+
+    for (const [key,value] of Object.entries(dto)) {
+        if (value === undefined || value === null) continue;
+
+        if (key.endsWith('_contains')) {
+            const field = key.slice(0, - '_contains'.length);
+            where[field] = { constains: value }; 
+        } else if (key === 'start_date' || key === 'end_date') {
+            where.date = where.date || {};
+            const op = key === 'start_date' ? 'gte' : 'lte';
+            where.date[op] = new Date(value);
+        } else {
+            where[key] = value;
+        }
+    }
+
+    return where;
+}

src/common/utils/date-utils.ts

@@ -0,0 +1,50 @@
+
+//lenght of a shift, rouded to nearest 'x' minute
+export function computeHours(start: Date, end: Date, roundToMinutes?: number): number {
+    const diffMs = end.getTime() - start.getTime();
+    const totalMinutes = diffMs / 60000;
+    const minutes = roundToMinutes ?
+                    Math.round(totalMinutes / roundToMinutes) * roundToMinutes :
+                    totalMinutes;
+    return +(minutes / 60).toFixed(2);
+}
+
+//round the amount of hours to quarter
+export function roundToQuarterHour(hours: number): number {
+    return Math.round(hours *4) / 4;
+}
+
+//calculate the number of the week (1 or 2)
+export function computeWeekNumber(periodStart: Date, targetDate: Date): number {
+    const days = Math.floor( targetDate.getTime() - periodStart.getTime()) /
+                (1000 * 60 * 60 * 24);
+    return Math.floor(days / 7) +1;
+}
+
+//Date format YYY-MM-DD
+export function formatDateISO(d:Date): string {
+    return d.toISOString().split('T')[0];
+}
+
+//fetch firts day of the week (Sunday)
+export function getWeekStart(date:Date, firstDayOfWeek = 0): Date {
+    const d = new Date(date);
+    const day = d.getDay();
+    const diff = (day < firstDayOfWeek ? 7 : 0) + (day - firstDayOfWeek);
+    d.setDate(d.getDate() - diff);
+    d.setHours(0,0,0,0);
+    return d;
+}
+
+//fetch last day of the week (Saturday)
+export function getWeekEnd(startOfWeek: Date): Date {
+    const d = new Date(startOfWeek);
+    d.setDate(d.getDate() + 6);
+    d.setHours(23,59,59,999);
+    return d;
+}
+
+//returns january 1st of the selected date's year
+export function getYearStart(date:Date): Date {
+    return new Date(date.getFullYear(),0,1,0,0,0,0);
+}

src/modules/authentication/services/express-session.serializer.ts

@@ -0,0 +1,18 @@
+import { PassportSerializer } from '@nestjs/passport';
+import { Injectable, UnauthorizedException } from '@nestjs/common';
+
+@Injectable()
+export class ExpressSessionSerializer extends PassportSerializer {
+  serializeUser(user: any, done: (err: any, user: any) => void): any {
+    if (!user){
+        done(new UnauthorizedException('Serialize user error'), user);
+    }
+    done(null, user);
+  }
+  deserializeUser(payload: any, done: (err: any, payload: string) => void): any {
+    if (!payload){
+        done(new UnauthorizedException('Deserialize user error'), payload);
+        }
+    done(null, payload);
+  }
+}

src/modules/business-logics/services/after-hours.service.ts

@@ -2,7 +2,7 @@ import { BadRequestException, Injectable, Logger } from "@nestjs/common";
 import { PrismaService } from "../../../prisma/prisma.service";
 
 
-//THIS SERVICE IS NOT USED RULES TO BE DETERMINED WITH MIKE/HR/ACCOUNTING
+//THIS SERVICE IS NOT USED, RULES TO BE DETERMINED WITH MIKE/HR/ACCOUNTING
 @Injectable()
 export class AfterHoursService {
     private readonly logger = new Logger(AfterHoursService.name);

src/modules/business-logics/services/holiday.service.ts

@@ -1,5 +1,6 @@
 import { Injectable, Logger } from "@nestjs/common";
 import { PrismaService } from "../../../prisma/prisma.service";
+import { computeHours, getWeekStart } from "src/common/utils/date-utils";
 
 @Injectable()
 export class HolidayService {
@@ -7,32 +8,15 @@ export class HolidayService {
 
     constructor(private readonly prisma: PrismaService) {}
 
-    //return the sunday of the current week that includes the holiday
-    private getWeekStart(date: Date): Date {
-        const day = new Date(date);
-        const offset = day.getDay();
-        day.setDate(day.getDate() - offset);
-        day.setHours(0,0,0,0);
-        return day;
-    }
-
-    //rounds minutes to 5s
-    private computeHours(start: Date, end: Date): number {
-        const durationMS = end.getTime() - start.getTime();
-        const totalMinutes = durationMS / 60000;
-        const rounded = Math.round(totalMinutes / 5) * 5;
-        return rounded / 60;
-    }
-
     private async computeHoursPrevious4Weeks(employeeId: number, holidayDate: Date): Promise<number> {
         //sets the end of the window to 1ms before the week with the holiday
-        const holidayWeekStart = this.getWeekStart(holidayDate);
+        const holidayWeekStart = getWeekStart(holidayDate);
         const windowEnd = new Date(holidayWeekStart.getTime() - 1);
         //sets the start of the window to 28 days ( 4 completed weeks ) before the week with the holiday
         const windowStart = new Date(windowEnd.getTime() - 28 * 24 * 60 * 60000 + 1 )
 
         const validCodes = ['G1', 'G45', 'G56', 'G104', 'G105', 'G700'];
-        //fetches all shift of the employee in said window ( 4 completed weeks )
+        //fetches all shift of the employee in said window ( 4 previous completed weeks )
         const shifts = await this.prisma.shifts.findMany({
             where: { timesheet: { employee_id: employeeId } ,
             date:  { gte: windowStart, lte: windowEnd },
@@ -41,16 +25,16 @@ export class HolidayService {
             select: { date: true, start_time: true, end_time: true },
         });
 
-        const totalHours = shifts.map(s => this.computeHours(s.start_time, s.end_time)).reduce((sum, h)=> sum + h, 0);
+        const totalHours = shifts.map(s => computeHours(s.start_time, s.end_time)).reduce((sum, h)=> sum + h, 0);
         const dailyHours = totalHours / 20;
 
         return dailyHours;
     }
 
     async calculateHolidayPay( employeeId: number, holidayDate: Date, modifier: number): Promise<number> {
-        const hours = await this. computeHoursPrevious4Weeks(employeeId, holidayDate);
+        const hours = await this.computeHoursPrevious4Weeks(employeeId, holidayDate);
         const dailyRate = Math.min(hours, 8);
-        this.logger.debug(`Holiday pay calculation: hours=${hours.toFixed(2)}`);
+        this.logger.debug(`Holiday pay calculation: hours= ${hours.toFixed(2)}`);
         return dailyRate * modifier;
     }
 }

src/modules/business-logics/services/overtime.service.ts

@@ -1,5 +1,6 @@
 import { Injectable, Logger } from '@nestjs/common';
 import { PrismaService } from '../../../prisma/prisma.service';
+import { getWeekStart, getWeekEnd, computeHours } from 'src/common/utils/date-utils';
 
 @Injectable()
 export class OvertimeService {
@@ -10,47 +11,18 @@ export class OvertimeService {
 
     constructor(private prisma: PrismaService) {}
 
-    // calculate decimal hours rounded to nearest 5 min
-    computedHours(start: Date, end: Date): number {
-        const durationMs = end.getTime() - start.getTime();
-        const totalMinutes = durationMs / 60000;
-
-        //rounded to 5 min
-        const rounded = Math.round(totalMinutes / 5) * 5;
-        const hours = rounded / 60;
-        this.logger.debug(`computedHours: raw=${totalMinutes.toFixed(1)}min rounded = ${rounded}min (${hours.toFixed(2)}h)`);
-        return hours;
-    }
-
     //calculate Daily overtime
     getDailyOvertimeHours(start: Date, end: Date): number {
-        const hours = this.computedHours(start, end);
+        const hours = computeHours(start, end, 5);
         const overtime = Math.max(0, hours - this.dailyMax);
         this.logger.debug(`getDailyOvertimeHours : ${overtime.toFixed(2)}h (threshold ${this.dailyMax})`);
         return overtime;
     }
 
-    //sets first day of the week to be sunday
-    private getWeekStart(date:Date): Date {
-        const d = new Date(date);
-        const day = d.getDay(); // return sunday = 0, monday = 1, etc
-        d.setDate(d.getDate() - day);
-        d.setHours(0,0,0,0,); // puts start of the week at sunday morning at 00:00
-        return d;
-    }
-
-    //sets last day of the week to be saturday
-    private getWeekEnd(startDate:Date): Date {
-        const d = new Date(startDate);
-        d.setDate(d.getDate() +6); //sets last day to be saturday
-        d.setHours(23,59,59,999); //puts end of the week at saturday night at 00:00 minus 1ms
-        return d;
-    }
-
     //calculate Weekly overtime
     async getWeeklyOvertimeHours(employeeId: number, refDate: Date): Promise<number> {
-        const weekStart = this.getWeekStart(refDate);
+        const weekStart = getWeekStart(refDate);
-        const weekEnd = this.getWeekEnd(weekStart);
+        const weekEnd = getWeekEnd(weekStart);
 
         //fetches all shifts containing hours
         const shifts = await this.prisma.shifts.findMany({
@@ -63,7 +35,7 @@ export class OvertimeService {
         });
 
         //calculate total hours of those shifts minus weekly Max to find total overtime hours
-        const total = shifts.map(shift => this.computedHours(shift.start_time, shift.end_time))
+        const total = shifts.map(shift => computeHours(shift.start_time, shift.end_time, 5))
                                               .reduce((sum, hours)=> sum+hours, 0);
         const overtime = Math.max(0, total - this.weeklyMax);
 

src/modules/business-logics/services/sick-leave.service.ts

@@ -1,5 +1,6 @@
 import { Injectable, Logger } from "@nestjs/common";
 import { PrismaService } from "../../../prisma/prisma.service";
+import { getYearStart, roundToQuarterHour } from "src/common/utils/date-utils";
 
 @Injectable()
 export class SickLeaveService {
@@ -7,10 +8,10 @@ export class SickLeaveService {
 
     private readonly logger = new Logger(SickLeaveService.name);
 
-    async calculateSickLeavePay(employeeId: number, startDate: Date, daysRequested: number, modifier: number): Promise<number> {
+    async calculateSickLeavePay(employeeId: number, referenceDate: Date, daysRequested: number, modifier: number): Promise<number> {
         //sets the year to jan 1st to dec 31st
-        const periodStart = new Date(startDate.getFullYear(), 0, 1);
+        const periodStart = getYearStart(referenceDate);
-        const periodEnd   = startDate;
+        const periodEnd   = referenceDate;
 
         //fetches all shifts of a selected employee
         const shifts = await this.prisma.shifts.findMany({
@@ -54,7 +55,7 @@ export class SickLeaveService {
 
         const payableDays = Math.min(acquiredDays, daysRequested);
         const rawHours = payableDays * 8 * modifier;
-        const rounded = Math.round(rawHours * 4) / 4;
+        const rounded = roundToQuarterHour(rawHours)
         this.logger.debug(`Sick leave pay: days= ${payableDays}, modifier= ${modifier}, hours= ${rounded}`);
         return rounded;
     }

src/modules/expenses/controllers/expenses.controller.ts

@@ -1,19 +1,24 @@
-import { Body, Controller, Delete, Get, Param, ParseIntPipe, Patch, Post, UseGuards } from "@nestjs/common";
+import { Body, Controller, Delete, Get, Param, ParseBoolPipe, ParseIntPipe, Patch, Post, Query, UseGuards, UsePipes, ValidationPipe } from "@nestjs/common";
 import { ExpensesService } from "../services/expenses.service";
-import { CreateExpenseDto } from "../dtos/create-expense";
+import { CreateExpenseDto } from "../dtos/create-expense.dto";
 import { Expenses } from "@prisma/client";
 import { Roles as RoleEnum } from '.prisma/client';
-import { UpdateExpenseDto } from "../dtos/update-expense";
+import { UpdateExpenseDto } from "../dtos/update-expense.dto";
 import { ApiBearerAuth, ApiOperation, ApiResponse, ApiTags } from "@nestjs/swagger";
 import { RolesAllowed } from "src/common/decorators/roles.decorators";
 import { ExpenseEntity } from "../dtos/swagger-entities/expenses.entity";
+import { ExpensesApprovalService } from "../services/expenses-approval.service";
+import { SearchExpensesDto } from "../dtos/search-expense.dto";
 
 @ApiTags('Expenses')
 @ApiBearerAuth('access-token')
 // @UseGuards()
 @Controller('Expenses')
 export class ExpensesController {
-    constructor(private readonly expensesService: ExpensesService) {}
+    constructor(
+        private readonly expensesService: ExpensesService,
+        private readonly expensesApprovalService: ExpensesApprovalService,    
+    ) {}
 
     @Post()
     @RolesAllowed(RoleEnum.ACCOUNTING, RoleEnum.ADMIN, RoleEnum.EMPLOYEE, RoleEnum.HR, RoleEnum.SUPERVISOR)
@@ -29,8 +34,9 @@ export class ExpensesController {
     @ApiOperation({ summary: 'Find all expenses' })
     @ApiResponse({ status: 201, description: 'List of expenses found',type: ExpenseEntity, isArray: true })
     @ApiResponse({ status: 400, description: 'List of expenses not found' })
-    findAll(): Promise<Expenses[]> {
+    @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
-        return this.expensesService.findAll();
+    findAll(@Query() filters: SearchExpensesDto): Promise<Expenses[]> {
+        return this.expensesService.findAll(filters);
     }
 
     @Get(':id')
@@ -60,4 +66,10 @@ export class ExpensesController {
         return this.expensesService.remove(id);
     }
 
+    @Patch(':id/approval')
+    @RolesAllowed(RoleEnum.ACCOUNTING, RoleEnum.ADMIN, RoleEnum.HR, RoleEnum.SUPERVISOR)
+    async approve(@Param('id', ParseIntPipe) id: number, @Body('is_approved', ParseBoolPipe) isApproved: boolean) {
+    return this.expensesApprovalService.updateApproval(id, isApproved);
+    }
+
 }

src/modules/expenses/dtos/search-expense.dto.ts

@@ -0,0 +1,26 @@
+import { Type } from "class-transformer";
+import { IsDateString, IsInt, IsOptional, IsString } from "class-validator";
+
+export class SearchExpensesDto {
+    @IsOptional()
+    @Type(()=> Number)
+    @IsInt()
+    timesheet_id?: number;
+
+    @IsOptional()
+    @Type(()=> Number)
+    @IsInt()
+    bank_code_id?: number;
+
+    @IsOptional()
+    @IsString()
+    description_contains?: string;
+
+    @IsOptional()
+    @IsDateString()
+    start_date: string;
+
+    @IsOptional()
+    @IsDateString()
+    end_date: string;
+}

src/modules/expenses/dtos/update-expense.dto.ts

@@ -1,4 +1,4 @@
 import { PartialType } from "@nestjs/swagger";
-import { CreateExpenseDto } from "./create-expense";
+import { CreateExpenseDto } from "./create-expense.dto";
 
 export class UpdateExpenseDto extends PartialType(CreateExpenseDto) {}

src/modules/expenses/expenses.module.ts

@@ -1,13 +1,13 @@
-import { PrismaService } from "src/prisma/prisma.service";
 import { ExpensesController } from "./controllers/expenses.controller";
 import { Module } from "@nestjs/common";
 import { ExpensesService } from "./services/expenses.service";
 import { BusinessLogicsModule } from "src/modules/business-logics/business-logics.module";
+import { ExpensesApprovalService } from "./services/expenses-approval.service";
 
 @Module({
     imports: [BusinessLogicsModule],
     controllers: [ExpensesController],
-    providers: [ExpensesService],
+    providers: [ExpensesService, ExpensesApprovalService],
     exports: [ ExpensesService ],
 })
 

src/modules/expenses/services/expenses-approval.service.ts

@@ -0,0 +1,13 @@
+import { Injectable } from "@nestjs/common";
+import { Expenses } from "@prisma/client";
+import { BaseApprovalService } from "src/common/shared/base-approval.service";
+import { PrismaService } from "src/prisma/prisma.service";
+
+@Injectable()
+export class ExpensesApprovalService extends BaseApprovalService<Expenses> {
+  constructor(prisma: PrismaService) { super(prisma); }
+
+  protected get delegate() {
+    return this.prisma.expenses;
+  }
+}

src/modules/expenses/services/expenses.service.ts

@@ -1,9 +1,11 @@
 import { Injectable, NotFoundException } from "@nestjs/common";
 import { PrismaService } from "src/prisma/prisma.service";
-import { CreateExpenseDto } from "../dtos/create-expense";
+import { CreateExpenseDto } from "../dtos/create-expense.dto";
 import { Expenses, ExpensesArchive } from "@prisma/client";
-import { UpdateExpenseDto } from "../dtos/update-expense";
+import { UpdateExpenseDto } from "../dtos/update-expense.dto";
 import { MileageService } from "src/modules/business-logics/services/mileage.service";
+import { SearchExpensesDto } from "../dtos/search-expense.dto";
+import { buildPrismaWhere } from "src/common/shared/build-prisma-where";
 
 @Injectable()
 export class ExpensesService {
@@ -42,10 +44,10 @@ export class ExpensesService {
         })
     }
 
-    findAll(): Promise<Expenses[]> {
+    async findAll(filters: SearchExpensesDto): Promise<Expenses[]> {
-        return this.prisma.expenses.findMany({
+        const where = buildPrismaWhere(filters);
-            include: { timesheet: { include: { employee: { include: { user: true } } } } },
+        const expenses = await this.prisma.expenses.findMany({ where })
-        });
+        return expenses;
     }
 
     async findOne(id: number): Promise<Expenses> {

src/modules/leave-requests/controllers/leave-requests.controller.ts

@@ -1,12 +1,13 @@
-import { Body, Controller, Delete, Get, Param, ParseIntPipe, Patch, Post, UseGuards } from "@nestjs/common";
+import { BadRequestException, Body, Controller, Delete, Get, Param, ParseBoolPipe, ParseEnumPipe, ParseIntPipe, Patch, Post, Query, UseGuards, UsePipes, ValidationPipe } from "@nestjs/common";
 import { LeaveRequestsService } from "../services/leave-requests.service";
 import { CreateLeaveRequestsDto } from "../dtos/create-leave-requests.dto";
 import { LeaveRequests } from "@prisma/client";
 import { UpdateLeaveRequestsDto } from "../dtos/update-leave-requests.dto";
 import { RolesAllowed } from "src/common/decorators/roles.decorators";
-import { Roles as RoleEnum } from '.prisma/client';
+import { LeaveApprovalStatus, Roles as RoleEnum } from '.prisma/client';
 import { ApiBearerAuth, ApiOperation, ApiResponse, ApiTags } from "@nestjs/swagger";
 import { LeaveRequestEntity } from "../dtos/swagger-entities/leave-requests.entity";
+import { SearchLeaveRequestsDto } from "../dtos/search-leave-requests.dto";
 
 @ApiTags('Leave Requests')
 @ApiBearerAuth('access-token')
@@ -29,8 +30,9 @@ export class LeaveRequestController {
     @ApiOperation({summary: 'Find all leave request' })
     @ApiResponse({ status: 201, description: 'List of Leave requests found',type: LeaveRequestEntity, isArray: true })
     @ApiResponse({ status: 400, description: 'List of leave request not found' })
-    findAll(): Promise<LeaveRequests[]> {
+    @UsePipes(new ValidationPipe({transform: true, whitelist: true}))
-        return this.leaveRequetsService.findAll();
+    findAll(@Query() filters: SearchLeaveRequestsDto): Promise<(LeaveRequests & {daysRequested:number; cost: number})[]> {
+        return this.leaveRequetsService.findAll(filters);
     }
 
     @Get(':id')
@@ -59,4 +61,14 @@ export class LeaveRequestController {
     remove(@Param('id', ParseIntPipe) id: number): Promise<LeaveRequests> {
         return this.leaveRequetsService.remove(id);
     }
-}
+
+    @Patch(':id/approval')
+    updateApproval( @Param('id', ParseIntPipe) id: number,
+                    @Body('is_approved', ParseBoolPipe) isApproved: boolean): Promise<LeaveRequests> {
+            const approvalStatus = isApproved ? 
+                 LeaveApprovalStatus.APPROVED : LeaveApprovalStatus.DENIED;
+            return this.leaveRequetsService.update(id, { approval_status: approvalStatus });
+        }
+
+    }   
+

src/modules/leave-requests/dtos/search-leave-requests.dto.ts

@@ -0,0 +1,27 @@
+import { LeaveApprovalStatus } from "@prisma/client";
+import { Type } from "class-transformer";
+import { IsOptional, IsInt, IsEnum, IsDateString } from "class-validator";
+
+export class SearchLeaveRequestsDto {
+    @IsOptional()
+    @Type(()=> Number)
+    @IsInt()
+    employee_id?: number;
+
+    @IsOptional()
+    @Type(()=> Number)
+    @IsInt()
+    bank_code_id?: number;
+
+    @IsOptional()
+    @IsEnum(LeaveApprovalStatus)
+    approval_status?: LeaveApprovalStatus
+
+    @IsOptional()
+    @IsDateString()
+    start_date?: Date;
+    
+    @IsOptional()
+    @IsDateString()
+    end_date?: Date;
+}

src/modules/leave-requests/services/leave-requests.service.ts

@@ -6,6 +6,8 @@ import { UpdateLeaveRequestsDto } from "../dtos/update-leave-requests.dto";
 import { HolidayService } from "src/modules/business-logics/services/holiday.service";
 import { SickLeaveService } from "src/modules/business-logics/services/sick-leave.service";
 import { VacationService } from "src/modules/business-logics/services/vacation.service";
+import { SearchLeaveRequestsDto } from "../dtos/search-leave-requests.dto";
+import { buildPrismaWhere } from "src/common/shared/build-prisma-where";
 
 @Injectable()
 export class LeaveRequestsService {
@@ -30,8 +32,19 @@ export class LeaveRequestsService {
         });
     }
 
-    async findAll(): Promise<any[]> {
+    async findAll(filters: SearchLeaveRequestsDto): Promise<any[]> {
+        const {start_date, end_date, ...otherFilters } = filters;
+        const where: Record<string, any> = buildPrismaWhere(otherFilters);
+
+        if (start_date) {
+            where.start_date_time = { ...(where.start_date_time ?? {}), gte: new Date(start_date) };
+        }
+        if(end_date) {
+            where.end_date_time = { ...(where.end_date_time ?? {}), lte: new Date(end_date) };
+        }
+        
         const list = await this.prisma.leaveRequests.findMany({
+            where,
             include: { employee: { include: { user: true } },
                        bank_code: true,
             },

src/modules/pay-periods/pay-periods.module.ts

@@ -3,12 +3,14 @@ import { PayPeriodsService } from "./services/pay-periods.service";
 import { PayPeriodsController } from "./controllers/pay-periods.controller";
 import { Module } from "@nestjs/common";
 import { PayPeriodsOverviewService } from "./services/pay-periods-overview.service";
+import { PayPeriodsApprovalService } from "./services/pay-periods-approval.service";
 
 @Module({
     imports: [PrismaModule],
     providers: [
         PayPeriodsService,
         PayPeriodsOverviewService,
+        PayPeriodsApprovalService,
     ],
     controllers: [PayPeriodsController],
 })

src/modules/pay-periods/services/pay-periods-approval.service.ts

@@ -0,0 +1,40 @@
+import { NotFoundException } from "@nestjs/common";
+import { TimesheetsApprovalService } from "src/modules/timesheets/services/timesheets-approval.service";
+import { PrismaService } from "src/prisma/prisma.service";
+
+export class PayPeriodsApprovalService {
+    constructor(
+        private readonly prisma: PrismaService,
+        private readonly timesheetsApproval: TimesheetsApprovalService,
+    ) {}
+
+    async approvaPayperdiod(periodNumber: number): Promise<void> {
+        const period = await this.prisma.payPeriods.findUnique({
+            where: { period_number: periodNumber },
+        });
+        if (!period) throw new NotFoundException(`PayPeriod #${periodNumber} not found`);
+
+        //fetches timesheet of selected period if the timesheet as atleast 1 shift or 1 expense
+        const timesheetList = await this.prisma.timesheets.findMany({
+            where: {
+                OR: [
+                    { shift: {some: { date: { gte: period.start_date,
+                                               lte: period.end_date,
+                                             },
+                            }},
+                    },
+                    { expense: { some: { date: { gte: period.start_date,
+                                                 lte: period.end_date,
+                                               },
+                               }},
+                    },
+                ],
+            },
+        });
+
+        //approval of both timesheet (cascading to the approval of related shifts and expenses)
+        for(const timesheet of timesheetList) {
+            await this.timesheetsApproval.updateApproval(timesheet.id, true);
+        }
+    }
+}

src/modules/pay-periods/services/pay-periods-overview.service.ts

@@ -2,6 +2,7 @@ import { Injectable, NotFoundException } from "@nestjs/common";
 import { EmployeePeriodOverviewDto } from "../dtos/overview-employee-period.dto";
 import { PayPeriodOverviewDto } from "../dtos/overview-pay-period.dto";
 import { PrismaService } from "src/prisma/prisma.service";
+import { computeHours } from "src/common/utils/date-utils";
 
 @Injectable()
 export class PayPeriodsOverviewService {
@@ -40,7 +41,7 @@ export class PayPeriodsOverviewService {
             const user = employee_record.user;
             const employee_id = employee_record.user_id;
             const employee_name = `${user.first_name} ${user.last_name}`;
-            const hours = (shift.end_time.getTime() - shift.start_time.getTime() / 3600000);
+            const hours = computeHours(shift.start_time, shift.end_time);
 
             //check if employee had prior shifts and adds hours of found shift to the total hours
             if (map.has(employee_id)) {

src/modules/pay-periods/services/pay-periods.service.ts

@@ -1,10 +1,15 @@
-import { Injectable, NotFoundException } from "@nestjs/common";
+import { Injectable, NotFoundException, Param, ParseIntPipe, Patch } from "@nestjs/common";
 import { PayPeriods } from "@prisma/client";
 import { PrismaService } from "src/prisma/prisma.service";
+import { PayPeriodsApprovalService } from "./pay-periods-approval.service";
+import { RolesAllowed } from "src/common/decorators/roles.decorators";
+import { Roles as RoleEnum } from '.prisma/client';
 
 @Injectable()
 export class PayPeriodsService {
-    constructor(private readonly prisma: PrismaService) {}
+    constructor(private readonly prisma: PrismaService,
+        private readonly payperiodsApprovalService: PayPeriodsApprovalService
+    ) {}
 
     async findAll(): Promise<PayPeriods[]> {
         return this.prisma.payPeriods.findMany({
@@ -32,4 +37,13 @@ export class PayPeriodsService {
         }
         return period;
     }
+
+    @Patch(':periodNumber/approval')
+    @RolesAllowed(RoleEnum.ACCOUNTING, RoleEnum.ADMIN, RoleEnum.HR, RoleEnum.SUPERVISOR)
+    async approve(@Param('periodNumber', ParseIntPipe) periodNumber: number): Promise<{message:string}> {
+        await this.payperiodsApprovalService.approvaPayperdiod(periodNumber);
+        return {message: `Pay-period #${periodNumber} approved`};
+    }
+
+    
 }

src/modules/shifts/controllers/shifts-overview.controller.ts

@@ -1,21 +1,21 @@
 import { Controller, Get, Header, Query } from "@nestjs/common";
-import { ShiftsValidationService, ValidationRow } from "../services/shifts-validation.service";
+import { OverviewRow, ShiftsOverviewService } from "../services/shifts-overview.service";
-import { GetShiftsValidationDto } from "../dtos/get-shifts-validation.dto";
+import { GetShiftsOverviewDto } from "../dtos/get-shifts-overview.dto";
 
 @Controller()
-export class ShiftsValidationController {
+export class ShiftsOverviewController {
-    constructor(private readonly shiftsValidationService: ShiftsValidationService) {}
+    constructor(private readonly shiftsValidationService: ShiftsOverviewService) {}
 
     @Get()
-    async getSummary( @Query() query: GetShiftsValidationDto): Promise<ValidationRow[]> {
+    async getSummary( @Query() query: GetShiftsOverviewDto): Promise<OverviewRow[]> {
-        return this.shiftsValidationService.getSummary(query.periodId);
+        return this.shiftsValidationService.getSummary(query.period_id);
     }
 
     @Get('export.csv')
     @Header('Content-Type', 'text/csv; charset=utf-8')
     @Header('Content-Disposition', 'attachment; filename="shifts-validation.csv"')
-    async exportCsv(@Query() query: GetShiftsValidationDto): Promise<Buffer>{
+    async exportCsv(@Query() query: GetShiftsOverviewDto): Promise<Buffer>{
-        const rows = await this.shiftsValidationService.getSummary(query.periodId);
+        const rows = await this.shiftsValidationService.getSummary(query.period_id);
 
         //CSV Headers
         const header = [

src/modules/shifts/controllers/shifts.controller.ts

@@ -1,19 +1,24 @@
-import { Body, Controller, Delete, Get, Param, ParseIntPipe, Patch, Post, UseGuards } from "@nestjs/common";
+import { Body, Controller, Delete, Get, Param, ParseBoolPipe, ParseIntPipe, Patch, Post, Query, UseGuards, UsePipes, ValidationPipe } from "@nestjs/common";
 import { ShiftsService } from "../services/shifts.service";
 import { Shifts } from "@prisma/client";
-import { CreateShiftDto } from "../dtos/create-shifts.dto";
+import { CreateShiftDto } from "../dtos/create-shift.dto";
-import { UpdateShiftsDto } from "../dtos/update-shifts.dto";
+import { UpdateShiftsDto } from "../dtos/update-shift.dto";
 import { RolesAllowed } from "src/common/decorators/roles.decorators";
 import { Roles as RoleEnum } from '.prisma/client';
 import { ApiBearerAuth, ApiOperation, ApiResponse, ApiTags } from "@nestjs/swagger";
 import { ShiftEntity } from "../dtos/swagger-entities/shift.entity";
+import { ShiftsApprovalService } from "../services/shifts-approval.service";
+import { SearchShiftsDto } from "../dtos/search-shifts.dto";
 
 @ApiTags('Shifts')
 @ApiBearerAuth('access-token')
 // @UseGuards()
 @Controller('shifts')
 export class ShiftsController {
-    constructor(private readonly shiftsService: ShiftsService){}
+  constructor(
+    private readonly shiftsService: ShiftsService,
+    private readonly shiftsApprovalService: ShiftsApprovalService,
+  ){}
   
   @Post()
   @RolesAllowed(RoleEnum.ACCOUNTING, RoleEnum.ADMIN, RoleEnum.EMPLOYEE, RoleEnum.HR, RoleEnum.SUPERVISOR)
@@ -29,8 +34,9 @@ export class ShiftsController {
   @ApiOperation({ summary: 'Find all shifts' })
   @ApiResponse({ status: 201, description: 'List of shifts found',type: ShiftEntity, isArray: true })
   @ApiResponse({ status: 400, description: 'List of shifts not found' })
-    findAll(): Promise<Shifts[]> {
+  @UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
-      return this.shiftsService.findAll();
+  findAll(@Query() filters: SearchShiftsDto) {
+    return this.shiftsService.findAll(filters);
   }
 
   @Get(':id')
@@ -60,4 +66,10 @@ export class ShiftsController {
     return this.shiftsService.remove(id);
   }
 
+  @Patch(':id/approval')
+  @RolesAllowed(RoleEnum.ACCOUNTING, RoleEnum.ADMIN, RoleEnum.HR, RoleEnum.SUPERVISOR)
+  async approve(@Param('id', ParseIntPipe) id: number, @Body('is_approved', ParseBoolPipe) isApproved: boolean) {
+    return this.shiftsApprovalService.updateApproval(id, isApproved);
+  }
+
 }

src/modules/shifts/dtos/get-shifts-overview.dto.ts

@@ -1,10 +1,10 @@
 import { Type } from "class-transformer";
 import { IsInt, Min, Max } from "class-validator";
 
-export class GetShiftsValidationDto {
+export class GetShiftsOverviewDto {
     @Type(()=> Number)
     @IsInt()
     @Min(1)
     @Max(26)
-    periodId: number;
+    period_id: number;
 }

src/modules/shifts/dtos/search-shifts.dto.ts

@@ -0,0 +1,29 @@
+import { Type } from "class-transformer";
+import { IsDateString, IsInt, IsOptional, IsString } from "class-validator";
+
+export class SearchShiftsDto {
+    @IsOptional()
+    @Type(()=> Number)
+    @IsInt()
+    employee_id?: number;
+
+    @IsOptional()
+    @Type(()=> Number)
+    @IsInt()
+    bank_code_id?: number;
+    
+    @IsOptional()
+    @IsString()
+    description_contains?: string;
+
+    @IsOptional()
+    @IsDateString()
+    end_date?: string;
+
+    @IsOptional()
+    @Type(()=> Number)
+    @IsInt()
+    timesheet_id?: number;
+
+
+}

src/modules/shifts/dtos/update-shift.dto.ts

@@ -1,4 +1,4 @@
 import { PartialType } from "@nestjs/swagger";
-import { CreateShiftDto } from "./create-shifts.dto";
+import { CreateShiftDto } from "./create-shift.dto";
 
 export class UpdateShiftsDto extends PartialType(CreateShiftDto){}

src/modules/shifts/services/shifts-approval.service.ts

@@ -0,0 +1,13 @@
+import { Injectable, NotFoundException } from "@nestjs/common";
+import { Shifts } from "@prisma/client";
+import { BaseApprovalService } from "src/common/shared/base-approval.service";
+import { PrismaService } from "src/prisma/prisma.service";
+
+@Injectable()
+export class ShiftsApprovalService extends BaseApprovalService<Shifts> {
+  constructor(prisma: PrismaService) { super(prisma); }
+
+  protected get delegate() {
+    return this.prisma.shifts;
+  }
+}

src/modules/shifts/services/shifts-overview.service.ts

@@ -1,7 +1,8 @@
 import { Injectable, NotFoundException } from "@nestjs/common";
+import { computeHours } from "src/common/utils/date-utils";
 import { PrismaService } from "src/prisma/prisma.service";
 
-export interface ValidationRow {
+export interface OverviewRow {
     fullName: string;
     supervisor: string;
     totalRegularHrs: number;
@@ -13,22 +14,16 @@ export interface ValidationRow {
 }
 
 @Injectable()
-export class ShiftsValidationService {
+export class ShiftsOverviewService {
     constructor(private readonly prisma: PrismaService) {}
 
-    private computeHours(start: Date, end: Date): number {
+    async getSummary(period_id: number): Promise<OverviewRow[]> {
-        const diffMs = end.getTime() - start.getTime();
-        const hours = diffMs / 1000 / 3600;
-        return parseFloat(hours.toFixed(2));
-    }
-
-    async getSummary(periodId: number): Promise<ValidationRow[]> {
         //fetch pay-period to display
         const period = await this.prisma.payPeriods.findUnique({
-            where: { period_number: periodId }, 
+            where: { period_number: period_id }, 
         });
         if(!period) {
-            throw new NotFoundException(`pay-period ${periodId} not found`);
+            throw new NotFoundException(`pay-period ${period_id} not found`);
         }
         const { start_date, end_date } = period;
 
@@ -57,7 +52,7 @@ export class ShiftsValidationService {
             },
         });
 
-        const mapRow = new Map<string, ValidationRow>();
+        const mapRow = new Map<string, OverviewRow>();
 
         for(const s of shifts) {
             const employeeId = s.timesheet.employee.user_id;
@@ -77,7 +72,7 @@ export class ShiftsValidationService {
                     isValidated: false,
                 };
             }
-            const hours = this.computeHours(s.start_time, s.end_time);
+            const hours = computeHours(s.start_time, s.end_time);
 
             switch(s.bank_code.type) {
                 case 'regular' : row.totalRegularHrs += hours;
@@ -119,4 +114,5 @@ export class ShiftsValidationService {
         //return by default the list of employee in ascending alphabetical order
         return Array.from(mapRow.values()).sort((a,b) => a.fullName.localeCompare(b.fullName));
     }
+
 }

src/modules/shifts/services/shifts.service.ts

@@ -1,8 +1,10 @@
 import { Injectable, NotFoundException } from "@nestjs/common";
 import { PrismaService } from "src/prisma/prisma.service";
-import { CreateShiftDto } from "../dtos/create-shifts.dto";
+import { CreateShiftDto } from "../dtos/create-shift.dto";
 import { Shifts, ShiftsArchive } from "@prisma/client";
-import { UpdateShiftsDto } from "../dtos/update-shifts.dto";
+import { UpdateShiftsDto } from "../dtos/update-shift.dto";
+import { buildPrismaWhere } from "src/common/shared/build-prisma-where";
+import { SearchShiftsDto } from "../dtos/search-shifts.dto";
 
 @Injectable()
 export class ShiftsService {
@@ -18,10 +20,10 @@ export class ShiftsService {
     });
   }
 
-    findAll(): Promise<Shifts[]> {
+    async findAll(filters: SearchShiftsDto): Promise <Shifts[]> {
-        return this.prisma.shifts.findMany({
+        const where = buildPrismaWhere(filters);
-            include: { timesheet: { include: { employee: { include: { user:true } } } } },
+        const shifts = await this.prisma.shifts.findMany({ where })
-        });
+        return shifts;
     }
 
     async findOne(id: number): Promise<Shifts> {

src/modules/shifts/shifts.module.ts

@@ -2,15 +2,14 @@ import { Module } from '@nestjs/common';
 import { ShiftsController } from './controllers/shifts.controller';
 import { ShiftsService } from './services/shifts.service';
 import { BusinessLogicsModule } from 'src/modules/business-logics/business-logics.module';
-import { ShiftsValidationModule } from './validation/shifts-validation.module';
+import { ShiftsOverviewController } from './controllers/shifts-overview.controller';
+import { ShiftsOverviewService } from './services/shifts-overview.service';
+import { ShiftsApprovalService } from './services/shifts-approval.service';
 
 @Module({
-  imports: [
+  imports: [BusinessLogicsModule],
-    BusinessLogicsModule,
+  controllers: [ShiftsController, ShiftsOverviewController],
-    ShiftsValidationModule,
+  providers: [ShiftsService, ShiftsOverviewService, ShiftsApprovalService],
-  ],
+  exports: [ShiftsService, ShiftsOverviewService],
-  controllers: [ShiftsController],
-  providers: [ShiftsService],
-  exports: [ShiftsService],
 })
 export class ShiftsModule {}

src/modules/shifts/validation/shifts-validation.module.ts

@@ -1,11 +0,0 @@
-import { Module } from "@nestjs/common";
-import { ShiftsValidationController } from "./controllers/shifts-validation.controller";
-import { ShiftsValidationService } from "./services/shifts-validation.service";
-import { BusinessLogicsModule } from "src/modules/business-logics/business-logics.module";
-
-@Module({
-    imports: [BusinessLogicsModule],
-    controllers: [ShiftsValidationController],
-    providers: [ShiftsValidationService],
-})
-export class ShiftsValidationModule {}

src/modules/timesheets/controllers/timesheets.controller.ts

@@ -1,4 +1,4 @@
-import { Body, Controller, Delete, Get, Param, ParseIntPipe, Patch, Post, UseGuards } from '@nestjs/common';
+import { Body, Controller, Delete, Get, Param, ParseBoolPipe, ParseIntPipe, Patch, Post, Query, UseGuards, UsePipes, ValidationPipe } from '@nestjs/common';
 import { TimesheetsService } from '../services/timesheets.service';
 import { CreateTimesheetDto } from '../dtos/create-timesheet.dto';
 import { Timesheets } from '@prisma/client';
@@ -7,13 +7,18 @@ import { RolesAllowed } from "src/common/decorators/roles.decorators";
 import { Roles as RoleEnum } from '.prisma/client';
 import { ApiBearerAuth, ApiOperation, ApiResponse, ApiTags } from '@nestjs/swagger';
 import { TimesheetEntity } from '../dtos/swagger-entities/timesheet.entity';
+import { TimesheetsApprovalService } from '../services/timesheets-approval.service';
+import { SearchTimesheetDto } from '../dtos/search-timesheets.dto';
 
 @ApiTags('Timesheets')
 @ApiBearerAuth('access-token')
 // @UseGuards()
 @Controller('timesheets')
 export class TimesheetsController {
-    constructor(private readonly timesheetsService: TimesheetsService) {}
+    constructor(
+        private readonly timesheetsService: TimesheetsService,
+        private readonly timesheetsApprovalService: TimesheetsApprovalService,
+    ) {}
 
     @Post()
     @RolesAllowed(RoleEnum.ACCOUNTING, RoleEnum.ADMIN, RoleEnum.EMPLOYEE, RoleEnum.HR, RoleEnum.SUPERVISOR)
@@ -29,8 +34,9 @@ export class TimesheetsController {
     @ApiOperation({ summary: 'Find all timesheets' })
     @ApiResponse({ status: 201, description: 'List of timesheet found', type: TimesheetEntity, isArray: true })
     @ApiResponse({ status: 400, description: 'List of timesheets not found' })
-    findAll(): Promise<Timesheets[]> {
+    @UsePipes(new ValidationPipe({transform: true, whitelist: true }))
-        return this.timesheetsService.findAll();
+    findAll(@Query() filters: SearchTimesheetDto): Promise<any[]> {
+        return this.timesheetsService.findAll(filters);
     }
 
     @Get(':id')
@@ -62,4 +68,10 @@ export class TimesheetsController {
     remove(@Param('id', ParseIntPipe) id: number): Promise<Timesheets> {
         return this.timesheetsService.remove(id);
     }
+
+    @Patch(':id/approval')
+    @RolesAllowed(RoleEnum.ACCOUNTING, RoleEnum.ADMIN, RoleEnum.HR, RoleEnum.SUPERVISOR)
+    async approve(@Param('id', ParseIntPipe) id: number, @Body('is_approved', ParseBoolPipe) isApproved: boolean) {
+    return this.timesheetsApprovalService.updateApproval(id, isApproved);
+    }
 }

src/modules/timesheets/dtos/search-timesheets.dto.ts

@@ -0,0 +1,20 @@
+import { Type } from "class-transformer";
+import { IsBoolean, IsInt, IsOptional } from "class-validator";
+
+
+export class SearchTimesheetDto {
+    @IsOptional()
+    @Type(() => Number)
+    @IsInt()
+    timesheet_id: number;
+
+    @IsOptional()
+    @Type(()=> Number)
+    @IsInt()
+    employee_id: number;
+
+    @IsOptional()
+    @Type(()=> Boolean)
+    @IsBoolean()
+    is_approved: boolean;    
+}

src/modules/timesheets/services/timesheets-approval.service.ts

@@ -0,0 +1,37 @@
+
+import { Injectable, NotFoundException } from "@nestjs/common";
+import { Timesheets } from "@prisma/client";
+import { BaseApprovalService } from "src/common/shared/base-approval.service";
+import { ExpensesApprovalService } from "src/modules/expenses/services/expenses-approval.service";
+import { ShiftsApprovalService } from "src/modules/shifts/services/shifts-approval.service";
+import { PrismaService } from "src/prisma/prisma.service";
+
+@Injectable()
+export class TimesheetsApprovalService extends BaseApprovalService<Timesheets>{
+    constructor(
+        prisma: PrismaService,
+        private readonly shiftsApproval: ShiftsApprovalService,
+        private readonly expensesApproval: ExpensesApprovalService,
+    ) {super(prisma);}
+
+    protected get delegate() {
+        return this.prisma.timesheets;
+    }
+
+    async updateApproval(timesheetId: number, isApproved: boolean): Promise<Timesheets> {
+        const timesheet = await super.updateApproval(timesheetId, isApproved);
+
+        await this.prisma.shifts.updateMany({
+            where: { timesheet_id: timesheetId },
+            data: { is_approved: isApproved },
+        });
+
+        await this.prisma.expenses.updateMany({
+            where: { timesheet_id: timesheetId },
+            data: { is_approved: isApproved },
+        });
+
+        return timesheet;
+    }
+
+}

src/modules/timesheets/services/timesheets.service.ts

@@ -4,6 +4,9 @@ import { CreateTimesheetDto } from '../dtos/create-timesheet.dto';
 import { Timesheets, TimesheetsArchive } from '@prisma/client';
 import { UpdateTimesheetDto } from '../dtos/update-timesheet.dto';
 import { OvertimeService } from 'src/modules/business-logics/services/overtime.service';
+import { computeHours } from 'src/common/utils/date-utils';
+import { buildPrismaWhere } from 'src/common/shared/build-prisma-where';
+import { SearchTimesheetDto } from '../dtos/search-timesheets.dto';
 
 @Injectable()
 export class TimesheetsService {
@@ -23,32 +26,38 @@ export class TimesheetsService {
         });
     }
 
-    async findAll(): Promise<any[]> {
+    async findAll(filters: SearchTimesheetDto): Promise<any[]> {
-        const list = await this.prisma.timesheets.findMany({
+        const where = buildPrismaWhere(filters);
-            include: { 
+
-                shift: { include: { bank_code: true } },
+        //fetchs lists of shifts and expenses for a selected timesheet
+        const rawlist = await this.prisma.timesheets.findMany({
+            where, include: {
+                        shift: { include: {bank_code: true } },
                       expense: { include: { bank_code: true } },
                      employee: { include: { user : true } },
             },
         });
 
-        return Promise.all(
+        const detailedlist = await Promise.all(
-            list.map(async timesheet => {
+            rawlist.map(async timesheet => {
-                const detailedShifts = timesheet.shift.map(s => {
+                //detailed shifts
-                    const hours         = this.overtime.computedHours(s.start_time, s.end_time);
+                const detailedShifts = timesheet.shift.map(shift => {
-                    const regularHours  = Math.min(8, hours);
+                    const totalhours    = computeHours(shift.start_time, shift.end_time,5);
-                    const dailyOvertime = this.overtime.getDailyOvertimeHours(s.start_time, s.end_time);
+                    const regularHours  = Math.min(8, totalhours);
-                    const payRegular    = regularHours * s.bank_code.modifier;
+                    const dailyOvertime = this.overtime.getDailyOvertimeHours(shift.start_time, shift.end_time);
-                    const payOvertime   = this.overtime.calculateOvertimePay(dailyOvertime, s.bank_code.modifier);
+                    const payRegular    = regularHours * shift.bank_code.modifier;
-                    return { ...s, hours, payRegular, payOvertime };
+                    const payOvertime   = this.overtime.calculateOvertimePay(dailyOvertime, shift.bank_code.modifier);
+                    return { ...shift, totalhours, payRegular, payOvertime };
                 });
+                //calculate overtime weekly
                 const weeklyOvertimeHours = detailedShifts.length
                             ? await this.overtime.getWeeklyOvertimeHours(
                                                 timesheet.employee_id,
                                                 timesheet.shift[0].date): 0;
                 return { ...timesheet, shift: detailedShifts, weeklyOvertimeHours };
-            })
+            }),
         ); 
+        return detailedlist;
     }
 
     async findOne(id: number): Promise<any> {
@@ -65,7 +74,7 @@ export class TimesheetsService {
         }
 
         const detailedShifts = timesheet.shift.map( s => {
-                const hours         = this.overtime.computedHours(s.start_time, s.end_time);
+                const hours         = computeHours(s.start_time, s.end_time);
                 const regularHours  = Math.min(8, hours);
                 const dailyOvertime = this.overtime.getDailyOvertimeHours(s.start_time, s.end_time);
                 const payRegular    = regularHours * s.bank_code.modifier;

src/modules/timesheets/timesheets.module.ts

@@ -2,11 +2,19 @@ import { Module } from '@nestjs/common';
 import { TimesheetsController } from './controllers/timesheets.controller';
 import { TimesheetsService } from './services/timesheets.service';
 import { BusinessLogicsModule } from 'src/modules/business-logics/business-logics.module';
+import { TimesheetsApprovalService } from './services/timesheets-approval.service';
+import { ShiftsApprovalService } from '../shifts/services/shifts-approval.service';
+import { ExpensesApprovalService } from '../expenses/services/expenses-approval.service';
 
 @Module({
   imports: [BusinessLogicsModule],
   controllers: [TimesheetsController],
-  providers: [ TimesheetsService ],
+  providers: [ 
+            TimesheetsService,
+            TimesheetsApprovalService,
+            ShiftsApprovalService,
+            ExpensesApprovalService
+          ],
   exports: [TimesheetsService],
 })
 export class TimesheetsModule {}