Caching stradedy

.gitignore

@@ -162,7 +162,7 @@ config/local.json
 config/production.json
 
 # Hardhat
-cache/
+# cache/  # Commented out to allow source code cache directory
 artifacts/
 typechain-types/
 

package.json

@@ -45,6 +45,7 @@
   "dependencies": {
     "@liaoliaots/nestjs-redis": "^10.0.0",
     "@nestjs/bull": "^10.0.1",
+    "@nestjs/cache-manager": "^3.1.0",
     "@nestjs/common": "^10.3.0",
     "@nestjs/config": "^3.1.1",
     "@nestjs/core": "^10.3.0",
@@ -61,6 +62,9 @@
     "axios": "^1.6.2",
     "bcrypt": "^6.0.0",
     "bull": "^4.12.2",
+    "cache-manager": "^7.2.8",
+    "cache-manager-ioredis-yet": "^2.1.2",
+    "cache-manager-redis-store": "^3.0.1",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.1",
     "cls-hooked": "^4.2.2",
@@ -136,30 +140,7 @@
     "tsconfig-paths": "^4.2.0",
     "typescript": "^5.3.2"
   },
-  "jest": {
-    "moduleFileExtensions": [
-      "js",
-      "json",
-      "ts"
-    ],
-    "roots": [
-      "src",
-      "test"
-    ],
-    "testRegex": ".*\\.spec\\.ts$",
-    "transform": {
-      "^.+\\.(t|j)s$": "ts-jest"
-    },
-    "collectCoverageFrom": [
-      "**/*.(t|j)s"
-    ],
-    "coverageDirectory": "../coverage",
-    "testEnvironment": "node",
-    "moduleNameMapping": {
-      "^src/(.*)$": "<rootDir>/../src/$1",
-      "^test/(.*)$": "<rootDir>/../test/$1"
-    }
-  },
+
   "engines": {
     "node": ">=18.0.0",
     "npm": ">=8.0.0"

src/app.module.ts

@@ -13,6 +13,9 @@ import { ConfigurationModule } from './config/configuration.module';
 import configuration from './config/configuration';
 import valuationConfig from './config/valuation.config';
 
+// Caching
+import { CacheModule } from './common/cache/cache.module';
+
 // Logging
 import { LoggingModule } from './common/logging/logging.module';
 import { LoggingInterceptor } from './common/logging/logging.interceptor';
@@ -50,6 +53,9 @@ import { AuthRateLimitMiddleware } from './auth/middleware/auth.middleware';
     }),
     ConfigurationModule,
 
+    // Caching
+    CacheModule,
+
     // Core
     LoggingModule,
     PrismaModule,
@@ -89,7 +95,7 @@ import { AuthRateLimitMiddleware } from './auth/middleware/auth.middleware';
     FilesModule,
     ValuationModule,
     DocumentsModule,
-    
+
     // Compliance & Security
     AuditModule,
     RbacModule,
@@ -111,4 +117,4 @@ export class AppModule implements NestModule {
       .apply(AuthRateLimitMiddleware)
       .forRoutes('/auth*');
   }
-}
+}

src/common/audit/audit.module.ts

@@ -8,19 +8,7 @@ import { EncryptionService } from '../services/encryption.service';
 
 @Module({
   imports: [DatabaseModule],
-  providers: [
-    AuditService,
-    ComplianceReportingService,
-    DataRetentionService,
-    GdprService,
-    EncryptionService,
-  ],
-  exports: [
-    AuditService,
-    ComplianceReportingService,
-    DataRetentionService,
-    GdprService,
-    EncryptionService,
-  ],
+  providers: [AuditService, ComplianceReportingService, DataRetentionService, GdprService, EncryptionService],
+  exports: [AuditService, ComplianceReportingService, DataRetentionService, GdprService, EncryptionService],
 })
-export class AuditModule {}
+export class AuditModule {}

src/common/cache/cache.module.ts

@@ -0,0 +1,27 @@
+import { Module, Global } from '@nestjs/common';
+import { CacheModule as NestCacheModule } from '@nestjs/cache-manager';
+import { ConfigService } from '@nestjs/config';
+import * as redisStore from 'cache-manager-redis-store';
+import { CacheService } from '../services/cache.service';
+import { RedisService } from '../services/redis.service';
+
+@Global()
+@Module({
+  imports: [
+    NestCacheModule.registerAsync({
+      useFactory: async (configService: ConfigService) => ({
+        store: redisStore,
+        host: configService.get('REDIS_HOST', 'localhost'),
+        port: configService.get('REDIS_PORT', 6379),
+        password: configService.get('REDIS_PASSWORD'),
+        db: configService.get('REDIS_DB', 0),
+        ttl: configService.get('CACHE_DEFAULT_TTL', 3600),
+        max: configService.get('CACHE_MAX_ITEMS', 1000),
+      }),
+      inject: [ConfigService],
+    }),
+  ],
+  providers: [CacheService, RedisService],
+  exports: [CacheService, NestCacheModule],
+})
+export class CacheModule {}