esercizio

package-lock.json

@@ -225,6 +225,7 @@
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       "dev": true,
+      "peer": true,
       "dependencies": {
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         "@babel/code-frame": "^7.18.6",
@@ -1524,6 +1525,7 @@
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+      "peer": true,
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         "tslib": "2.4.1",
@@ -1557,6 +1559,7 @@
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       "hasInstallScript": true,
+      "peer": true,
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@@ -1594,6 +1597,7 @@
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+      "peer": true,
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         "cors": "2.8.5",
@@ -2022,7 +2026,8 @@
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-      "dev": true
+      "dev": true,
+      "peer": true
     },
     "node_modules/@types/parse-json": {
       "version": "4.0.0",
@@ -2142,6 +2147,7 @@
       "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-5.44.0.tgz",
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+      "peer": true,
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@@ -2466,6 +2472,7 @@
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       "dev": true,
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -2886,6 +2893,7 @@
           "url": "https://tidelift.com/funding/github/npm/browserslist"
         }
       ],
+      "peer": true,
       "dependencies": {
         "caniuse-lite": "^1.0.30001400",
         "electron-to-chromium": "^1.4.251",
@@ -3053,6 +3061,7 @@
           "url": "https://paulmillr.com/funding/"
         }
       ],
+      "peer": true,
       "dependencies": {
         "anymatch": "~3.1.2",
         "braces": "~3.0.2",
@@ -3096,12 +3105,14 @@
     "node_modules/class-transformer": {
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+      "integrity": "sha512-SQa1Ws6hUbfC98vKGxZH3KFY0Y1lm5Zm0SY8XX9zbK7FJCyVEac3ATW0RIpwzW+oOfmHE5PMPufDG9hCfoEOMw==",
+      "peer": true
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+      "peer": true,
       "dependencies": {
         "libphonenumber-js": "^1.9.43",
         "validator": "^13.7.0"
@@ -3600,6 +3611,7 @@
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+      "peer": true,
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@@ -4966,6 +4978,7 @@
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+      "peer": true,
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@@ -6666,6 +6679,7 @@
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       "dev": true,
+      "peer": true,
       "bin": {
         "prettier": "bin-prettier.js"
       },
@@ -6881,7 +6895,8 @@
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+      "integrity": "sha512-Ts1Y/anZELhSsjMcU605fU9RE4Oi3p5ORujwbIKXfWa+0Zxs510Qrmrce5/Jowq3cHSZSJqBjypxmHarc+vEWg==",
+      "peer": true
     },
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       "version": "3.2.0",
@@ -7042,6 +7057,7 @@
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+      "peer": true,
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@@ -7093,6 +7109,7 @@
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+      "peer": true,
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@@ -7807,6 +7824,7 @@
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       "dev": true,
+      "peer": true,
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@@ -7979,6 +7997,7 @@
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       "dev": true,
+      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -8549,6 +8568,7 @@
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+      "peer": true,
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@@ -9555,6 +9575,7 @@
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+      "peer": true,
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         "tslib": "2.4.1",
@@ -9565,6 +9586,7 @@
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+      "peer": true,
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@@ -9579,6 +9601,7 @@
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       "integrity": "sha512-J1+nnzjC9ATSb0jSHBqAE6D4o+PIbGPItEfYTOZ0rkE5bvqnRfgO4q94SXhfri+5PaNx2vM8tOZsKaD0QmQRGQ==",
+      "peer": true,
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@@ -9943,7 +9966,8 @@
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-      "dev": true
+      "dev": true,
+      "peer": true
     },
     "@types/parse-json": {
       "version": "4.0.0",
@@ -10047,6 +10071,7 @@
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       "dev": true,
+      "peer": true,
       "requires": {
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@@ -10294,7 +10319,8 @@
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-      "dev": true
+      "dev": true,
+      "peer": true
     },
     "acorn-import-assertions": {
       "version": "1.8.0",
@@ -10604,6 +10630,7 @@
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       "dev": true,
+      "peer": true,
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@@ -10711,6 +10738,7 @@
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       "dev": true,
+      "peer": true,
       "requires": {
         "anymatch": "~3.1.2",
         "braces": "~3.0.2",
@@ -10743,12 +10771,14 @@
     "class-transformer": {
       "version": "0.5.1",
       "resolved": "https://registry.npmjs.org/class-transformer/-/class-transformer-0.5.1.tgz",
-      "integrity": "sha512-SQa1Ws6hUbfC98vKGxZH3KFY0Y1lm5Zm0SY8XX9zbK7FJCyVEac3ATW0RIpwzW+oOfmHE5PMPufDG9hCfoEOMw=="
+      "integrity": "sha512-SQa1Ws6hUbfC98vKGxZH3KFY0Y1lm5Zm0SY8XX9zbK7FJCyVEac3ATW0RIpwzW+oOfmHE5PMPufDG9hCfoEOMw==",
+      "peer": true
     },
     "class-validator": {
       "version": "0.13.2",
       "resolved": "https://registry.npmjs.org/class-validator/-/class-validator-0.13.2.tgz",
       "integrity": "sha512-yBUcQy07FPlGzUjoLuUfIOXzgynnQPPruyK1Ge2B74k9ROwnle1E+NxLWnUv5OLU8hA/qL5leAE9XnXq3byaBw==",
+      "peer": true,
       "requires": {
         "libphonenumber-js": "^1.9.43",
         "validator": "^13.7.0"
@@ -11130,6 +11160,7 @@
       "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.28.0.tgz",
       "integrity": "sha512-S27Di+EVyMxcHiwDrFzk8dJYAaD+/5SoWKxL1ri/71CRHsnJnRDPNt2Kzj24+MT9FDupf4aqqyqPrvI8MvQ4VQ==",
       "dev": true,
+      "peer": true,
       "requires": {
         "@eslint/eslintrc": "^1.3.3",
         "@humanwhocodes/config-array": "^0.11.6",
@@ -12145,6 +12176,7 @@
       "resolved": "https://registry.npmjs.org/jest/-/jest-28.1.3.tgz",
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       "dev": true,
+      "peer": true,
       "requires": {
         "@jest/core": "^28.1.3",
         "@jest/types": "^28.1.3",
@@ -13414,7 +13446,8 @@
       "version": "2.8.0",
       "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.8.0.tgz",
       "integrity": "sha512-9Lmg8hTFZKG0Asr/kW9Bp8tJjRVluO8EJQVfY2T7FMw9T5jy4I/Uvx0Rca/XWf50QQ1/SS48+6IJWnrb+2yemA==",
-      "dev": true
+      "dev": true,
+      "peer": true
     },
     "prettier-linter-helpers": {
       "version": "1.0.0",
@@ -13572,7 +13605,8 @@
     "reflect-metadata": {
       "version": "0.1.13",
       "resolved": "https://registry.npmjs.org/reflect-metadata/-/reflect-metadata-0.1.13.tgz",
-      "integrity": "sha512-Ts1Y/anZELhSsjMcU605fU9RE4Oi3p5ORujwbIKXfWa+0Zxs510Qrmrce5/Jowq3cHSZSJqBjypxmHarc+vEWg=="
+      "integrity": "sha512-Ts1Y/anZELhSsjMcU605fU9RE4Oi3p5ORujwbIKXfWa+0Zxs510Qrmrce5/Jowq3cHSZSJqBjypxmHarc+vEWg==",
+      "peer": true
     },
     "regexpp": {
       "version": "3.2.0",
@@ -13675,6 +13709,7 @@
       "version": "7.5.7",
       "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-7.5.7.tgz",
       "integrity": "sha512-z9MzKh/UcOqB3i20H6rtrlaE/CgjLOvheWK/9ILrbhROGTweAi1BaFsTT9FbwZi5Trr1qNRs+MXkhmR06awzQA==",
+      "peer": true,
       "requires": {
         "tslib": "^2.1.0"
       }
@@ -13705,6 +13740,7 @@
           "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
           "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
           "dev": true,
+          "peer": true,
           "requires": {
             "fast-deep-equal": "^3.1.1",
             "fast-json-stable-stringify": "^2.0.0",
@@ -14234,6 +14270,7 @@
       "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.9.1.tgz",
       "integrity": "sha512-NtVysVPkxxrwFGUUxGYhfux8k78pQB3JqYBXlLRZgdGUqTO5wU/UyHop5p70iEbGhB7q5KmiZiU0Y3KlJrScEw==",
       "dev": true,
+      "peer": true,
       "requires": {
         "@cspotcode/source-map-support": "^0.8.0",
         "@tsconfig/node10": "^1.0.7",
@@ -14353,7 +14390,8 @@
       "version": "4.9.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.3.tgz",
       "integrity": "sha512-CIfGzTelbKNEnLpLdGFgdyKhG23CKdKgQPOBc+OUNrkJ2vr+KSzsSV5kq5iWhEQbok+quxgGzrAtGWCyU7tHnA==",
-      "dev": true
+      "dev": true,
+      "peer": true
     },
     "universalify": {
       "version": "2.0.0",

src/info/info.controller.ts

@@ -1,14 +1,19 @@
 import { Controller, Post, Body } from '@nestjs/common';
 import { InfoService } from './info.service';
-import { UpdateInfoRequest } from './interfaces';
+import { UpdateFormRequest, UpdateInfoRequest } from './interfaces';
 import { BaseResponse } from '../interfaces';
 
 @Controller('info')
 export class InfoController {
-  constructor(private readonly infoService: InfoService) {}
+  constructor(private readonly infoService: InfoService) { }
 
   @Post('/validate')
   getConfig(@Body() bodyRequest: UpdateInfoRequest): Promise<BaseResponse> {
     return this.infoService.validateInfo(bodyRequest);
   }
+
+  @Post('/validate-form')
+  getForm(@Body() bodyRequest: UpdateFormRequest): Promise<BaseResponse> {
+    return this.infoService.validateForm(bodyRequest);
+  }
 }

src/info/info.module.ts

@@ -1,10 +1,11 @@
 import { Module } from '@nestjs/common';
 import { InfoController } from './info.controller';
 import { InfoService } from './info.service';
+import { IsAgeMatchingBirthDateConstraint } from './validators/age-match-date-birth';
 
 @Module({
   imports: [],
   controllers: [InfoController],
-  providers: [InfoService],
+  providers: [InfoService, IsAgeMatchingBirthDateConstraint],
 })
-export class InfoModule {}
+export class InfoModule { }

src/info/info.service.ts

@@ -1,9 +1,9 @@
 import { Injectable } from '@nestjs/common';
 import { plainToClass } from 'class-transformer';
 import { validate } from 'class-validator';
-import { UpdateInfoRequest as UpdateInfoRequestInterface } from './interfaces';
+import { UpdateFormRequest, UpdateInfoRequest as UpdateInfoRequestInterface } from './interfaces';
 import { BaseResponse } from '../interfaces';
-import { UpdateInfoRequest } from './models';
+import { UpdateFormValidator, UpdateInfoRequest } from './models';
 
 @Injectable()
 export class InfoService {
@@ -23,4 +23,21 @@ export class InfoService {
       data,
     };
   }
+
+  async validateForm(
+    rawData: UpdateFormRequest,
+  ): Promise<BaseResponse> {
+    const data = plainToClass(UpdateFormValidator, rawData);
+    const validationErrors = await validate(data);
+    if (validationErrors.length > 0) {
+      return {
+        success: false,
+        errors: validationErrors,
+      };
+    }
+    return {
+      success: true,
+      data,
+    };
+  }
 }

src/info/interfaces/index.ts

@@ -1,3 +1,10 @@
 export interface UpdateInfoRequest {
   name: string;
 }
+
+export interface UpdateFormRequest {
+  name: string
+  age: number
+  married?: boolean
+  dateOfBirth: Date
+}

src/info/models/index.ts

@@ -1,5 +1,7 @@
-import { UpdateInfoRequest as UpdateInfoRequestInterface } from '../interfaces';
+import { UpdateFormRequest, UpdateInfoRequest as UpdateInfoRequestInterface } from '../interfaces';
-import { IsNotEmpty, IsString, MinLength } from 'class-validator';
+import { IsDate, IsNotEmpty, IsNumber, IsString, Max, MaxLength, Min, MinLength } from 'class-validator';
+import { Type } from 'class-transformer';
+import { IsAgeMatchingBirthDate } from '../validators/age-match-date-birth';
 
 export class UpdateInfoRequest implements UpdateInfoRequestInterface {
   @IsNotEmpty()
@@ -7,3 +9,25 @@ export class UpdateInfoRequest implements UpdateInfoRequestInterface {
   @MinLength(3)
   name: string;
 }
+
+export class UpdateFormValidator implements UpdateFormRequest {
+  @IsNotEmpty()
+  @IsString()
+  @MinLength(5)
+  @MaxLength(50)
+  name: string;
+
+  @IsNotEmpty()
+  @IsNumber()
+  @Max(150)
+  @Min(1)
+  @IsAgeMatchingBirthDate({ message: "mismatch betwean date of birth and age" })
+  age: number
+
+  married?: boolean
+
+  @IsNotEmpty()
+  @Type(() => Date)
+  @IsDate()
+  dateOfBirth: Date
+}

src/info/validators/age-match-date-birth.ts

@@ -0,0 +1,61 @@
+import {
+  ValidatorConstraint,
+  ValidatorConstraintInterface,
+  ValidationArguments,
+  registerDecorator,
+  ValidationOptions,
+} from 'class-validator';
+import { Injectable } from '@nestjs/common';
+
+// Funzione helper per calcolare l'età
+function calculateAge(birthDate: Date): number {
+  if (!birthDate || !(birthDate instanceof Date)) return -1;
+  const today = new Date();
+  let age = today.getFullYear() - birthDate.getFullYear();
+  const m = today.getMonth() - birthDate.getMonth();
+  if (m < 0 || (m === 0 && today.getDate() < birthDate.getDate())) {
+    age--;
+  }
+  return age;
+}
+
+@ValidatorConstraint({ name: 'isAgeMatchingBirthDate', async: false })
+@Injectable()
+export class IsAgeMatchingBirthDateConstraint implements ValidatorConstraintInterface {
+
+  // Questo è il metodo che esegue la validazione
+  validate(age: number, args: ValidationArguments) {
+    // args.object è l'intero oggetto DTO che viene validato
+    const object = args.object as any;
+    const dateOfBirth = object.dateOfBirth;
+
+    // Se dateOfBirth non è una data valida, questo validatore non fallisce.
+    // Ci penseranno @IsDate e @IsNotEmpty a bloccare la richiesta prima.
+    if (!(dateOfBirth instanceof Date)) {
+      return true;
+    }
+
+    const calculatedAge = calculateAge(dateOfBirth);
+    return age === calculatedAge;
+  }
+
+  // Questo metodo fornisce il messaggio di errore di default
+  defaultMessage(args: ValidationArguments) {
+    const calculatedAge = calculateAge((args.object as any).dateOfBirth);
+    return `The provided age ($value) is incorrect. Based on the date of birth, it should be ${calculatedAge}.`;
+  }
+}
+
+
+
+export function IsAgeMatchingBirthDate(validationOptions?: ValidationOptions) {
+  return function(object: Object, propertyName: string) {
+    registerDecorator({
+      target: object.constructor,
+      propertyName: propertyName,
+      options: validationOptions,
+      constraints: [],
+      validator: IsAgeMatchingBirthDateConstraint,
+    });
+  };
+}