Refactor document processing structure and implement new services

- Removed the AWS Textract integration documentation from backend/docs/aws-textract-integration.md as it is no longer relevant.
- Updated import paths in backend/src/app.module.ts and backend/src/app.module.spec.ts to reflect the new directory structure for document processing services.
- Introduced backend/src/document-processor/document-processor.module.ts to encapsulate document processing logic, including AWS Textract and Bedrock services.
- Added backend/src/document-processor/controllers/document-processor.controller.ts to handle document uploads and processing requests.
- Implemented backend/src/document-processor/services/aws-textract.service.ts and backend/src/document-processor/services/aws-bedrock.service.ts for text extraction and medical analysis, respectively.
- Enhanced unit tests for the new services and controller to ensure functionality and error handling.

Author: adamrefaey

backend/docs/aws-textract-integration.md

@@ -5,10 +5,10 @@ import { JwtModule } from '@nestjs/jwt';
 import { ReportsService } from './reports/reports.service';
 import { vi, describe, it, expect } from 'vitest';
 import configuration from './config/configuration';
-import { AwsBedrockService } from './services/aws-bedrock.service';
+import { AwsBedrockService } from './document-processor/services/aws-bedrock.service';
 import { PerplexityService } from './services/perplexity.service';
 import { AwsSecretsService } from './services/aws-secrets.service';
-import { AwsTextractService } from './services/aws-textract.service';
+import { AwsTextractService } from './document-processor/services/aws-textract.service';
 
 describe('AppModule', () => {
   it('should compile the module', async () => {

backend/src/app.module.spec.ts

@@ -10,7 +10,7 @@ import { UserController } from './user/user.controller';
 import { ReportsModule } from './reports/reports.module';
 import { HealthController } from './health/health.controller';
 import { AuthMiddleware } from './auth/auth.middleware';
-import { DocumentProcessorModule } from './modules/document-processor.module';
+import { DocumentProcessorModule } from './document-processor/document-processor.module';
 
 @Module({
   imports: [

backend/src/app.module.ts

@@ -1,9 +1,9 @@
 import { Module } from '@nestjs/common';
-import { DocumentProcessorService } from '../services/document-processor.service';
+import { DocumentProcessorService } from './services/document-processor.service';
 import { ConfigModule } from '@nestjs/config';
-import { AwsTextractService } from '../services/aws-textract.service';
-import { AwsBedrockService } from '../services/aws-bedrock.service';
-import { DocumentProcessorController } from '../controllers/document-processor.controller';
+import { AwsTextractService } from './services/aws-textract.service';
+import { AwsBedrockService } from './services/aws-bedrock.service';
+import { DocumentProcessorController } from './controllers/document-processor.controller';
 
 @Module({
   imports: [ConfigModule],

…rollers/document-processor.controller.ts …rollers/document-processor.controller.tsbackend/src/controllers/document-processor.controller.ts renamed to backend/src/document-processor/controllers/document-processor.controller.ts backend/src/controllers/document-processor.controller.ts renamed to backend/src/document-processor/controllers/document-processor.controller.ts

@@ -5,7 +5,7 @@ import {
   InvokeModelCommand,
   InvokeModelCommandOutput,
 } from '@aws-sdk/client-bedrock-runtime';
-import { RateLimiter } from '../utils/security.utils';
+import { RateLimiter } from '../../utils/security.utils';
 import { createHash } from 'crypto';
 
 /**

…src/modules/document-processor.module.ts …t-processor/document-processor.module.tsbackend/src/modules/document-processor.module.ts renamed to backend/src/document-processor/document-processor.module.ts backend/src/modules/document-processor.module.ts renamed to backend/src/document-processor/document-processor.module.ts

@@ -4,7 +4,7 @@ import { BadRequestException } from '@nestjs/common';
 import { vi, describe, it, expect, beforeEach } from 'vitest';
 
 // Mock the security.utils module
-vi.mock('../utils/security.utils', () => ({
+vi.mock('../../utils/security.utils', () => ({
   validateFileSecurely: vi.fn(),
   RateLimiter: vi.fn().mockImplementation(() => ({
     tryRequest: vi.fn().mockReturnValue(true),

…src/services/aws-bedrock.service.spec.ts …sor/services/aws-bedrock.service.spec.tsbackend/src/services/aws-bedrock.service.spec.ts renamed to backend/src/document-processor/services/aws-bedrock.service.spec.ts backend/src/services/aws-bedrock.service.spec.ts renamed to backend/src/document-processor/services/aws-bedrock.service.spec.ts

@@ -1,7 +1,7 @@
 import { Injectable, Logger, BadRequestException } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 import { TextractClient, AnalyzeDocumentCommand, Block } from '@aws-sdk/client-textract';
-import { validateFileSecurely, RateLimiter } from '../utils/security.utils';
+import { validateFileSecurely, RateLimiter } from '../../utils/security.utils';
 import { createHash } from 'crypto';
 
 export interface ExtractedTextResult {