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Improvements/code cleanup #39
Conversation
WalkthroughThis pull request introduces significant architectural changes to the application, focusing on logging, caching, and API documentation. The primary modifications include replacing the custom telemetry and logging systems with NestJS's native logging and Pino, integrating Redis-based caching, adding Swagger API documentation, and removing telemetry-related modules. The changes enhance observability, performance, and maintainability by standardizing logging, introducing caching mechanisms, and providing comprehensive API documentation. Changes
Sequence DiagramsequenceDiagram
participant Client
participant Controller
participant Service
participant CacheProvider
participant PrismaService
participant Logger
Client->>Controller: HTTP Request
Controller->>Logger: Log Request Details
Controller->>CacheProvider: Check Cache
alt Cache Hit
CacheProvider-->>Controller: Return Cached Data
else Cache Miss
Controller->>Service: Process Request
Service->>PrismaService: Query Database
PrismaService-->>Service: Return Data
Service->>CacheProvider: Store in Cache
Service-->>Controller: Return Response
end
Controller->>Logger: Log Response
Controller-->>Client: HTTP Response
Poem
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Actionable comments posted: 15
🔭 Outside diff range comments (11)
src/modules/conversation/conversation.controller.ts (1)
Line range hint
24-27
: Add type safety and validation to the feedback endpointThe current implementation lacks:
- Type safety (using
any
)- Input validation
- Error handling
- async createOrUpdateFeedback(@Body() body: any) { + async createOrUpdateFeedback( + @Body() feedbackDto: FeedbackDto + ): Promise<{ success: boolean }> { + try { + await this.conversationService.createOrUpdateFeedback(feedbackDto); + return { success: true }; + } catch (error) { + throw new BadRequestException('Failed to process feedback'); + } }src/modules/conversation/conversation.service.ts (1)
Line range hint
15-31
: Add error logging for database operationsThe
saveConversation
method should include error logging and proper error handling.async saveConversation( sessionId: string, userId: string, context: any, state: string, flowId: string ): Promise<any> { + try { return await this.prisma.conversation.upsert({ where: { id: sessionId }, create: { id: sessionId, userId, context, state, flowId }, update: { state, context }, }); + } catch (error) { + this.logger.error('Failed to save conversation', { + sessionId, + userId, + error: error.message + }); + throw error; + } }src/common/utils.ts (1)
Line range hint
156-180
: Improve error handling in encryptRequestThe error handling in the encryption process needs improvement.
export const encryptRequest = async (text: string) => { try { var myHeaders = new Headers(); myHeaders.append("Content-Type", "application/json"); - logger.log("text: ", text); + logger.log('Encrypting request', { textLength: text.length }); var raw = JSON.stringify({ EncryptedRequest: text, }); var requestOptions: any = { method: "POST", headers: myHeaders, body: raw, redirect: "follow", }; + if (!process.env.PM_KISAN_ENC_DEC_API) { + throw new Error('Encryption API URL not configured'); + } let response: any = await fetch( `${process.env.PM_KISAN_ENC_DEC_API}/EncryptedRequest`, requestOptions ); + if (!response.ok) { + throw new Error(`Encryption failed with status: ${response.status}`); + } response = await response.json(); return response; } catch (error) { + logger.error('Failed to encrypt request', { error: error.message }); return { - error: "Error while encrypting the message.", + error: `Encryption failed: ${error.message}`, }; } };src/modules/user/user.service.ts (2)
Line range hint
203-205
: Critical: SQL Injection vulnerability in raw queriesDirect string interpolation in SQL queries creates a security vulnerability. Use parameterized queries instead.
Example fix for one of the queries:
- return this.prisma.$queryRawUnsafe(` - SELECT * from "Message" where id = '${id}' - `); + return this.prisma.$queryRaw` + SELECT * from "Message" where id = ${id} + `;Also applies to: 211-213, 220-222
Line range hint
195-205
: Restore error handling in likeQuery methodThe commented-out try-catch block leaves the method vulnerable to unhandled exceptions. Database operations should always include proper error handling.
async likeQuery(id): Promise<Message> { - // try { + try { await this.prisma.$queryRawUnsafe(` UPDATE "Message" SET "reaction" = 1 WHERE "id" = '${id}'`); + } catch (error) { + this.logger.error('Failed to update reaction', error); + throw error; + } - // } catch { - // return null; - // } this.monitoringService.incrementPositveFeedbackCount(); return this.prisma.$queryRawUnsafe(` SELECT * from "Message" where id = '${id}' `); }src/modules/monitoring/monitoring.controller.ts (2)
Line range hint
9-10
: Replace console.log with structured loggingUse the NestJS Logger for consistent logging across the application.
- console.log(metric) + private readonly logger = new Logger(MonitoringController.name); + this.logger.log(`Incrementing metric: ${metric}`);
Line range hint
9-186
: Refactor long switch statement for better maintainabilityThe current implementation has several issues:
- The method is too long
- Lacks type safety for metric parameter
- Contains repetitive code patterns
Consider creating an enum for metrics and a map of metric handlers:
enum MetricType { BHASHINI_COUNT = 'bhashiniCount', BHASHINI_SUCCESS_COUNT = 'bhashiniSuccessCount', // ... other metrics } interface MetricHandler { increment: () => void; get: () => Promise<number>; } private metricHandlers: Map<MetricType, MetricHandler> = new Map([ [MetricType.BHASHINI_COUNT, { increment: () => this.monitoringService.incrementBhashiniCount(), get: () => this.monitoringService.getBhashiniCount() }], // ... other handlers ]); async incrementmetrics(@Body() metric: MetricType): Promise<any> { const handler = this.metricHandlers.get(metric); if (!handler) { return `'${metric}' metric does not exist`; } handler.increment(); return await handler.get(); }src/xstate/prompt/prompt.service.ts (1)
Line range hint
155-275
: Improve data handling and method organizationThe method has several concerns:
- Potential exposure of sensitive data in logs
- Complex error handling
- Multiple responsibilities
Consider splitting the method into smaller, focused methods and improving data handling:
private async getUserType(userIdentifier: string): Promise<{type: string, isValid: boolean}> { if (/^[6-9]\d{9}$/.test(userIdentifier)) { return { type: 'Mobile', isValid: true }; } // ... other type checks return { type: '', isValid: false }; } private sanitizeLogData(data: any): any { const sensitiveFields = ['BeneficiaryName', 'FatherName', 'DOB', 'Address']; return Object.entries(data).reduce((acc, [key, value]) => { acc[key] = sensitiveFields.includes(key) ? '[REDACTED]' : value; return acc; }, {}); } async fetchUserData(context, event) { this.logger.log('Fetching user data'); const userIdentifier = `${context.userAadhaarNumber}${context.lastAadhaarDigits}`; const { type, isValid } = await this.getUserType(userIdentifier); if (!isValid) { throw new Error('Invalid identifier format'); } const userData = await this.userService.getUserData(userIdentifier, type); this.logger.log('User data fetched', this.sanitizeLogData(userData)); // ... rest of the implementation }src/modules/aiTools/ai-tools.service.ts (3)
Line range hint
143-247
: Consider extracting common Bhashini configuration handlingBoth methods share similar patterns for Bhashini configuration and error handling. Consider extracting these into reusable utilities.
Consider creating a shared utility:
private async getBhashiniTaskConfig( task: string, language: Language, additionalConfig: Record<string, any> = {} ) { const baseConfig = { language: { sourceLanguage: language }, ...additionalConfig }; return this.getBhashiniConfig(task, baseConfig); }This would simplify both methods and reduce code duplication.
Line range hint
249-274
: Critical: Fix potential XSS vulnerability and modernize HTTP client usage
- The query parameter is not properly encoded, which could lead to XSS
- The method uses deprecated node-fetch instead of the injected HttpService
Apply these changes:
async textClassification(text: string) { try { - var myHeaders = new Headers(); - myHeaders.append("accept", "application/json"); - myHeaders.append("X-API-Key", this.configService.get("WADHWANI_API_KEY")); - let response: any = await fetch( - `${this.configService.get( - "WADHWANI_BASE_URL" - )}/detect_query_intent?query=${text}`, - { - headers: myHeaders, - method: "GET", - mode: "cors", - credentials: "omit", - } - ); - response = await response.text(); + const response = await this.httpService.get( + `${this.configService.get("WADHWANI_BASE_URL")}/detect_query_intent`, + { + params: { query: text }, + headers: { + 'X-API-Key': this.configService.get("WADHWANI_API_KEY") + } + } + ).toPromise(); + return response; } catch (error) { this.logger.error(error); return { error, }; } }
Line range hint
276-303
: Critical: Fix security vulnerabilities and improve HTTP client usageSimilar to textClassification, this method needs security improvements:
- URL parameters need proper encoding
- Should use HttpService instead of node-fetch
- Good addition of performance logging, but could be extracted into a decorator
Apply these changes:
+ private logApiTiming(startDate: Date, userId: string, sessionId: string, url: string) { + const endDate = new Date(); + const duration = endDate.getTime() - startDate.getTime(); + this.logger.log(`${endDate}: userId: ${userId} sessionId: ${sessionId} URL: ${url} Responded successfully in ${duration} ms.`); + } async getResponseViaWadhwani( sessionId: string, userId: string, text: string, schemeName: string ) { try { const startDate = new Date(); - var myHeaders = new Headers(); - myHeaders.append("accept", "application/json"); - myHeaders.append("X-API-Key", this.configService.get("WADHWANI_API_KEY")); - let response: any = await fetch(`${this.configService.get("WADHWANI_BASE_URL")}/get_bot_response?query=${text}&user_id=${userId}&session_id=${sessionId}&scheme_name=${schemeName}`, { - headers: myHeaders, - "method": "GET", - "mode": "cors", - "credentials": "omit" - }); + const response = await this.httpService.get( + `${this.configService.get("WADHWANI_BASE_URL")}/get_bot_response`, + { + params: { + query: text, + user_id: userId, + session_id: sessionId, + scheme_name: schemeName + }, + headers: { + 'X-API-Key': this.configService.get("WADHWANI_API_KEY") + } + } + ).toPromise(); - response = await response.json() + this.logApiTiming(startDate, userId, sessionId, response.config.url); return response; } catch(error) { this.logger.error(error); return { error }; } }
🧹 Nitpick comments (32)
src/modules/user/user.controller.ts (3)
1-1
: Use consistent import ordering.
While functional, it's often a good practice to group external and local imports consistently for readability.
12-12
: Replace direct initialization with DI if reuse is needed.
Currently, the controller manually initializes a generic Logger instance. If more sophisticated or custom usage is needed, consider injecting the logger. For now, this is acceptable.
18-18
: Log context name 'main' might be too generic.
Consider using a more specific context like 'UserController' for clarity in logs.src/app.module.ts (1)
22-46
: New logging configuration with pinoHttp and Loki integration.
This approach standardizes logs with pino-loki. Check that environment-specific details (e.g., LOKI_INTERNAL_BASE_URL) are properly set in production.src/app.controller.ts (9)
90-90
: Add AiToolsService usage with HttpService
Double-check any concurrency or error handling logic if large requests are made.
103-103
: Logger context set to AppService
Might be more precise to reference AppController, but it’s acceptable.
202-202
: Comment logs
Consider removing or converting to debug logs if not needed in production.
210-210
: Detecting input language
Watch for performance overhead if done frequently. Possibly cache language detection results.
216-216
: Commented-out logger code
Consider removing dead code if not needed for future debugging.
258-258
: Commented code
Evaluate removing if it’s no longer needed for debugging.
297-297
: Create a new message
In-line comments are commented out. If not needed, remove them for clarity.
359-359
: Error logging
Ensure that repeated error messages do not spam logs.
616-617
: Detailed log with userId, sessionId, and current state
Valuable for debugging. If logs become large, consider adjusting the level to debug.src/modules/monitoring/monitoring.service.ts (5)
577-577
: Increment totalSuccessfullSessions
Ensure consistent spelling: “Successful” vs. “Successfull.”- totalSuccessfullSessions + totalSuccessfulSessions
642-642
: incrementPositveFeedbackCount
Check for spelling: “positive.”- incrementPositveFeedbackCount + incrementPositiveFeedbackCount
806-806
: Catch block
Only logs error with console.log. Consider adding structured logger usage.
818-818
: Repetitive code
Possible refactoring into a shared private method for upsert logic.
832-832
: Catch block
Same suggestion: replace console.log with structured logging.src/xstate/prompt/prompt.machine.ts (1)
483-483
: Logging Assigned Query Type
Logging the assigned query type here is helpful for debugging user input classification. Consider including additional contextual info (like user ID if available) to further enhance traceability.src/common/fetch.ts (1)
5-7
: Consider dependency injection for loggerInstead of creating a new Logger instance directly, consider using dependency injection to align with NestJS best practices and improve testability.
-const logger = new Logger( - 'fetch' -);Then inject it where this module is used:
@Injectable() class SomeService { constructor(private readonly logger: Logger) { this.logger.setContext('fetch'); } }src/app.service.ts (3)
40-43
: Move cron schedule to configurationThe cron schedule should be configurable through the ConfigService for better maintainability.
-this.logger.log("scheduling cron for every 30min"); -cron.schedule('*/30 * * * *', () => { +const cronSchedule = this.configService.get('AADHAAR_CLEANUP_SCHEDULE', '*/30 * * * *'); +this.logger.log(`Scheduling Aadhaar cleanup cron: ${cronSchedule}`); +cron.schedule(cronSchedule, () => {
82-84
: Enhance error loggingThe error logging should include more context and use structured logging.
-this.logger.log('Cleared userAadhaarNumber in conversations older than 30 minutes.'); +this.logger.log(`Cleared Aadhaar numbers from ${conversations.length} conversations`); } catch (error) { - this.logger.error('Error clearing Aadhaar numbers:', error); + this.logger.error('Failed to clear Aadhaar numbers', { + error: error.message, + stack: error.stack, + timestamp: new Date().toISOString() + });
Line range hint
46-81
: Consider implementing secure data handling for Aadhaar numbersThe current implementation directly manipulates sensitive Aadhaar data. Consider:
- Using encryption for Aadhaar numbers in the database
- Implementing audit logging for all Aadhaar-related operations
- Adding rate limiting for the cleanup operation
Would you like me to provide a detailed implementation for these security enhancements?
src/modules/conversation/conversation.service.ts (2)
13-13
: Use more specific logger contextThe logger context 'main' is too generic. Consider using the service name or a more descriptive context.
-this.logger = new Logger('main'); +this.logger = new Logger(ConversationService.name);
8-8
: Improve type safetyConsider adding proper TypeScript interfaces for the context and feedback objects instead of using
any
.interface ConversationContext { userAadhaarNumber?: string; lastAadhaarDigits?: string; isOTPVerified: boolean; currentState: string; type: string; query: string; response: string; }src/main.ts (1)
34-42
: Enhance Swagger documentation setupThe Swagger configuration looks good but could be enhanced with more details.
Consider adding:
const config = new DocumentBuilder() .setTitle('PM Kisan API Documentation') .setDescription('The PM Kisan API description') .setVersion('1.0') + .addTag('PM Kisan') + .addServer('http://localhost:3001', 'Local environment') + .addServer('https://api.pmkisan.example.com', 'Production environment') .addBearerAuth() + .setContact('PM Kisan Team', 'https://www.pmkisan.example.com', '[email protected]') + .setLicense('Private', 'https://www.pmkisan.example.com/license') .build();src/common/utils.ts (1)
157-159
: Enhance logging in encryptRequestThe logging implementation could be improved with structured logging.
- logger.log("text: ", text); + logger.log('Encrypting request', { textLength: text.length });src/modules/user/user.service.ts (1)
11-11
: Consider using class name as logger identifierThe logger is initialized with a generic 'main' identifier. For better log traceability and consistency, consider using the class name 'UserService' as the logger identifier.
- this.logger = new Logger('main'); + this.logger = new Logger(UserService.name);Also applies to: 17-17
src/modules/aiTools/ai-tools.service.ts (4)
Line range hint
28-77
: Consider enhancing error handling and simplifying logicWhile the logging improvements are good, consider these enhancements:
- The nested conditions for language detection could be simplified
- The error handling could be more consistent across different scenarios
Consider this refactor:
async detectLanguage(text: string, userId: string, sessionId: string): Promise<any> { try { - let input = { + const input = { input: [ { source: text, }, ], }; - let response: any = await this.computeBhashini( + const response: any = await this.computeBhashini( // ... existing parameters ... ) - if(response["error"]){ + if (response.error) { this.logger.error(response["error"]) throw new Error(response["error"]) } - let language: Language; - if(response.output && response.output.length){ - language = response.data?.pipelineResponse[0]?.output[0]?.langPrediction[0]?.langCode as Language + + const language = response.output?.length + ? response.data?.pipelineResponse[0]?.output[0]?.langPrediction[0]?.langCode as Language + : 'unk'; + + if (language !== 'unk') { this.monitoringService.incrementBhashiniSuccessCount() - return { - language: language || 'unk', - error: null - } - } else { + } else { this.monitoringService.incrementBhashiniFailureCount() - return { - language: 'unk', - error: null - } } + return { language, error: null }
Line range hint
79-141
: Consider documenting URL handling and extracting helper methodsThe URL handling logic using placeholders is clever but could benefit from:
- Documentation explaining the placeholder mechanism
- Extraction of URL handling into a separate method
Consider this refactor:
+ /** + * Handles translation while preserving URLs in the text + * @param source Source language + * @param target Target language + * @param text Text to translate + * @param userId User ID for tracking + * @param sessionId Session ID for tracking + * @returns Translated text with preserved URLs + */ async translate( source: Language, target: Language, text: string, userId: string, sessionId: string ) { try { - const urlRegex = /(https?:\/\/[^\s]+)|(www\.[^\s]+)/g; - const urls = text.match(urlRegex) || []; - const placeHolder = "9814567092798090023722437987555212294"; - const textWithoutUrls = text.replace(urlRegex, placeHolder); + const { textWithoutUrls, urls, placeHolder } = this.extractUrls(text); // ... rest of the method } } + /** + * Extracts URLs from text and replaces them with a placeholder + * @param text Input text + * @returns Object containing processed text and extracted URLs + */ + private extractUrls(text: string) { + const urlRegex = /(https?:\/\/[^\s]+)|(www\.[^\s]+)/g; + const urls = text.match(urlRegex) || []; + const placeHolder = "9814567092798090023722437987555212294"; + const textWithoutUrls = text.replace(urlRegex, placeHolder); + return { textWithoutUrls, urls, placeHolder }; + }
Line range hint
305-371
: Consider simplifying retry logic and enhancing error handlingThe caching implementation is good, but the retry logic could be simplified:
- The callback binding is complex and could be made more readable
- Error handling could be more specific
Consider these improvements:
async getBhashiniConfig(task, config, userId, sessionId) { const cacheKey = `getBhashiniConfig:${JSON.stringify({ task, config })}`; try { const cachedData = await this.cacheManager.get(cacheKey); if (cachedData) { return cachedData; } + const headers = { + userID: this.configService.get("ULCA_USER_ID"), + ulcaApiKey: this.configService.get("ULCA_API_KEY"), + 'Content-Type': 'application/json' + }; - var myHeaders = new Headers(); - myHeaders.append("userID", this.configService.get("ULCA_USER_ID")); - // ... rest of headers + const retryCallback = (retry: number) => { + const elapsed = Date.now() - startTime; + this.logger.error( + `userId: ${userId} sessionId: ${sessionId} URL: ${url} (config API) ` + + `Re-Trying: ${retry}, Previous failed call Time Taken: ${elapsed}ms` + ); + }; // ... rest of the method } }
Line range hint
373-447
: Consider extracting common patterns and improving type safetyThe method has good task-specific caching but could benefit from:
- Type definitions for tasks and configs
- Extraction of common retry logic
Consider adding these improvements:
type BhashiniTask = 'asr' | 'tts' | 'translation'; interface BhashiniConfig { serviceId: string; gender?: 'male' | 'female'; samplingRate?: number; // ... other config properties } private createRetryCallback( startTime: number, userId: string, sessionId: string, url: string, task?: string ) { return (retry: number) => { const elapsed = Date.now() - startTime; const taskInfo = task ? `for task (${task})` : ''; this.logger.error( `userId: ${userId} sessionId: ${sessionId} URL: ${url} ${taskInfo} ` + `Re-Trying: ${retry}, Previous failed call Time Taken: ${elapsed}ms` ); }; }This would improve type safety and reduce code duplication.
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📒 Files selected for processing (26)
package.json
(3 hunks)prisma/migrations/20241129023712_removed_telemetry_logs/migration.sql
(1 hunks)prisma/schema.prisma
(0 hunks)src/app.controller.ts
(19 hunks)src/app.module.ts
(2 hunks)src/app.service.ts
(3 hunks)src/common/fetch.ts
(2 hunks)src/common/logger.ts
(0 hunks)src/common/utils.ts
(2 hunks)src/global-services/prisma.service.ts
(1 hunks)src/main.ts
(4 hunks)src/modules/aiTools/ai-tools.service.ts
(12 hunks)src/modules/cache/cache.provider.ts
(1 hunks)src/modules/conversation/conversation.controller.ts
(1 hunks)src/modules/conversation/conversation.service.ts
(1 hunks)src/modules/monitoring/monitoring.controller.ts
(1 hunks)src/modules/monitoring/monitoring.module.ts
(1 hunks)src/modules/monitoring/monitoring.service.ts
(10 hunks)src/modules/telemetry/telemetry.controller.ts
(0 hunks)src/modules/telemetry/telemetry.module.ts
(0 hunks)src/modules/telemetry/telemetry.service.ts
(0 hunks)src/modules/user/user.controller.ts
(1 hunks)src/modules/user/user.service.ts
(7 hunks)src/xstate/prompt/prompt.machine.ts
(4 hunks)src/xstate/prompt/prompt.module.ts
(1 hunks)src/xstate/prompt/prompt.service.ts
(9 hunks)
💤 Files with no reviewable changes (5)
- src/modules/telemetry/telemetry.module.ts
- src/modules/telemetry/telemetry.controller.ts
- prisma/schema.prisma
- src/common/logger.ts
- src/modules/telemetry/telemetry.service.ts
🔇 Additional comments (82)
src/modules/user/user.controller.ts (6)
5-6
: Great addition of ConfigService and Swagger decorators.
Enhancing the controller with configuration management and Swagger docs improves maintainability and API clarity.
9-9
: API tags are properly defined.
This aligns with best practices for grouping endpoints in Swagger.
15-16
: Constructor injection of PrismaService and ConfigService is correct.
No issues found; it follows NestJS injection best practices.
30-32
: Message reaction endpoints are well-defined.
Ensure the userService methods handle errors gracefully (e.g., message not found).
38-40
: Dislike endpoint is consistent with the like endpoint design.
Looks good. Just confirm userService handles DB constraints or missing messages.
46-48
: Reaction removal endpoint is consistent.
No immediate issues. Ensure userService handles cases where there’s nothing to remove.
src/app.module.ts (5)
47-47
: HttpModule included.
Helps make outbound requests. Confirm if it’s actually used throughout the code.
48-50
: Global ConfigModule usage.
This is beneficial for broad configuration access. No issues found.
81-81
: CacheProvider is injected as a provider.
Checks out. Ensure it’s used consistently across all modules that require caching.
83-83
: Re-exporting CacheProvider.
Good for consistent usage across modules.
16-18
: Added new dependencies (CacheProvider, HttpModule, LoggerModule).
Ensure they are all necessary and used in the codebase.
✅ Verification successful
Based on the search results, I can generate the final response as we have sufficient evidence showing that all three dependencies are actively used in the codebase:
All new dependencies are properly utilized in the codebase
CacheProvider
is defined incache.provider.ts
, used in monitoring module, and exported by app.moduleHttpModule
is imported and used in both prompt and monitoring modulesLoggerModule
is configured in app.module usingforRoot()
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
rg 'CacheProvider|HttpModule|LoggerModule'
Length of output: 1236
src/app.controller.ts (12)
10-10
: Switching to standard Logger.
This simplifies logging management and aligns with NestJS best practices.
28-29
: HttpService and Swagger decorators are introduced.
Centralizing HTTP-based features and documentation is beneficial.
69-69
: ApiTags('App') annotation for top-level controller.
This helps group endpoints meaningfully in Swagger.
77-77
: Replaced CustomLogger with standard Logger property.
Fits the new logging architecture.
82-82
: HttpService is now injected.
Ensure it’s used for necessary external calls and consider adding relevant error handling.
106-107
: New Swagger doc for 'Get hello message'
Properly specifying summary and response improves clarity in API docs.
113-119
: Enhanced API documentation for prompt endpoint.
This is a good practice for describing request/response expectations.
130-131
: Logging userId and sessionId
Good approach for traceability. Verify that no sensitive info is overexposed.
234-234
: Logger.error usage
Ensure sensitive data is not logged.
246-246
: Logging 'Unsupported media'
This helps diagnose requests with invalid content.
284-284
: Hashed Aadhaar
Great that it’s not stored as plain text. Ensure salt usage or additional security best practices.
[approve]
346-346
: Logging error on translation failure
Well handled. Confirms error coverage.
src/modules/monitoring/monitoring.service.ts (46)
4-4
: CacheProvider import
Good improvement for caching metrics and reducing DB load.
8-8
: Injected CacheProvider in constructor
This ensures consistent usage of caching across the service.
10-10
: initializeAsync method now uses cache
Be mindful of potential stale data if the cache isn’t updated frequently.
46-46
: New stage counters
Stage-based metric tracking is clear. Ensure values are incremented at correct transitions.
51-51
: Loop to upsert metrics
Efficient approach. Confirm that concurrency issues won’t arise if multiple processes do the same.
55-56
: Retrieving existing metrics from DB
Checks if the record already exists. This is correct to avoid duplicates.
[approve]
72-73
: Ensuring totalFailureSessions are synced with cache
Good alignment of cache and DB counters.
Line range hint 202-202
: (No lines changed here; skipping)
558-558
: Cache increment for Bhashini count
Check that no integer overflow occurs for very large volumes.
563-563
: BhashiniSuccessCount
Similar approach. Looks fine.
572-572
: Increment totalSessions
Aligns with new caching strategy.
582-582
: Increment totalFailureSessions
Matches the pattern.
587-587
: Increment totalIncompleteSessions
Good addition to track partial flows.
592-592
: Increment totalSessionsInHindi
Make sure language detection is accurate.
597-597
: Increment totalSessionsInTamil
Consistent pattern across languages.
602-602
: Increment totalSessionsInOdia
Follow the same verification approach for detection.
607-607
: Increment totalSessionsInTelugu
Good.
612-612
: Increment totalSessionsInMarathi
Same approach. No issues.
617-617
: Increment totalSessionsInBangla
No concerns.
622-622
: Increment totalSessionsInEnglish
Be sure that fallback logic for unknown languages doesn’t artificially inflate English.
627-627
: incrementAadhaarCount
Ensure that sensitive data is not included in logs or metrics.
632-632
: incrementRegistrationIdCount
No issues.
637-637
: incrementMobileNumberCount
Same caution about sensitive data.
647-647
: incrementNegativeFeedbackCount
Looks consistent with positive feedback approach.
652-652
: incrementMicUsedCount
Tracks usage stats properly.
657-657
: incrementDirectMessageTypedCount
Clear metric for user interaction type.
662-662
: incrementSampleQueryUsedCount
Tracks how often users rely on sample queries.
667-667
: incrementInternalServerErrorCount
Ensures error metrics are tracked.
672-672
: incrementBadGatewayCount
Matches the error metric pattern.
677-677
: incrementGatewayTimeoutCount
No issues.
682-682
: incrementSomethingWentWrongCount
Covers unexpected error occurrences.
687-687
: incrementUnsupportedMediaCount
Useful for diagnosing content-related issues.
692-692
: incrementUnableToTranslateCount
Aligns with user translation failure scenarios.
697-697
: incrementSomethingWentWrongTryAgainCount
Clearly tracks repeated attempts.
702-702
: incrementUnableToGetUserDetailsCount
Captures user retrieval failures in metrics.
707-707
: incrementNoUserRecordsFoundCount
Consistent usage.
712-712
: incrementUntrainedQueryCount
Tracks unrecognized queries.
717-717
: incrementResentOTPCount
Captures OTP resending events.
722-722
: incrementStage1Count
Stage-based tracking. No issues.
727-727
: incrementStage2Count
Matches the pattern.
732-732
: incrementStage3Count
All good.
737-737
: incrementStage4Count
Same pattern.
742-742
: incrementStage5Count
Completes the stage coverage.
747-749
: Collecting metrics in onExit
Ensures final data is upserted to DB upon shutdown or service termination.
792-792
: Update or create metrics
Handles scenario of existing or new metrics.
813-813
: setMetrics method
Similar logic for upserting metrics.
src/xstate/prompt/prompt.machine.ts (4)
2-2
: Use of NestJS Logger Import
Great job replacing the old logging approach with the standard NestJS Logger, which is more aligned with NestJS best practices.
8-10
: Logger Initialization
Instantiating the logger at the top-level scope ensures it's readily accessible within this module. This centralizes logging behavior and makes it easier to control log outputs.
748-748
: Logging OTP Assignment
Using the logger to record OTP setting is beneficial. Ensure no user-sensitive information is unintentionally exposed to logs in production.
1392-1392
: Repeated OTP Logger Usage
Logging each OTP assignment consistently is valuable for debugging. Just be mindful of any potential PII or security exposure.
prisma/migrations/20241129023712_removed_telemetry_logs/migration.sql (1)
1-8
: Dropping telemetry_logs table
Be certain you have thoroughly verified that none of the dropped data is needed for future analytics or auditing. The warning is clear about data loss; consider making a backup prior to running this migration in production.
src/xstate/prompt/prompt.module.ts (2)
1-1
: HttpModule Import
Introducing HttpModule allows this module to perform HTTP requests natively with NestJS, opening up more integration possibilities.
9-9
: HttpModule in Imports Array
Great job adding HttpModule into the module’s imports. This ensures Http functionality is available for providers or other classes within PromptModule.
src/global-services/prisma.service.ts (3)
1-1
: Introducing HttpService Import
Consider verifying if the service is indeed using HttpService functionalities. If not, it may be removed to keep the file lean.
5-5
: Use of Logger
Switching to NestJS Logger Streamlines the logging process and ensures consistency throughout the application.
14-15
: Refactoring from CustomLogger to Logger
This is a welcome change. The built-in Logger improves maintainability and aligns with best practices.
src/common/fetch.ts (1)
34-36
: 🛠️ Refactor suggestion
Enhance error logging
The catch block should log the error details using logger.error()
to maintain proper error tracking.
if (opts && opts.pause) {
if (opts && !opts.silent) logger.log("pausing..");
+ logger.error('Fetch failed, retrying...', e);
await sleep(opts.pause);
if (opts && !opts.silent) logger.log("done pausing...");
}
Likely invalid or redundant comment.
package.json (1)
41-41
: Verify version compatibility and security
The new dependencies look good, but we should verify version compatibility and check for any known vulnerabilities.
Also applies to: 51-51, 74-74
✅ Verification successful
Let me gather more information about version compatibility by checking the package.json for related NestJS dependencies.
Dependencies are compatible and secure
The @nestjs/swagger version 8.0.7 is perfectly aligned with other NestJS dependencies in the package.json, which are all on version 8.x.x. No security vulnerabilities were found for @nestjs/swagger or cache-manager-redis-store. The version constraints are appropriate, maintaining compatibility while allowing for patch updates.
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#!/bin/bash
# Check for compatible versions and security advisories
echo "Checking @nestjs/swagger..."
gh api graphql -f query='
{
securityVulnerabilities(first: 5, ecosystem: NPM, package: "@nestjs/swagger") {
nodes {
advisory {
summary
severity
publishedAt
}
vulnerableVersionRange
}
}
}'
echo "Checking cache-manager-redis-store..."
gh api graphql -f query='
{
securityVulnerabilities(first: 5, ecosystem: NPM, package: "cache-manager-redis-store") {
nodes {
advisory {
summary
severity
publishedAt
}
vulnerableVersionRange
}
}
}'
Length of output: 746
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# Check NestJS related dependencies and their versions
echo "Package.json content for NestJS dependencies:"
cat package.json | jq '.dependencies | with_entries(select(.key | contains("@nestjs")))'
# Check if there are any peer dependencies specified in package-lock.json
echo -e "\nChecking package-lock.json for peer dependencies:"
if [ -f "package-lock.json" ]; then
cat package-lock.json | jq '.packages."node_modules/@nestjs/swagger".peerDependencies // empty'
fi
Length of output: 660
src/modules/aiTools/ai-tools.service.ts (1)
Line range hint 1-26
: LGTM! Good improvements in dependency management and logging setup
The changes follow NestJS best practices by:
- Using the built-in Logger service for consistent logging
- Properly injecting HttpService for HTTP operations
- Initializing the logger with the class name for better log identification
@ApiOperation({ summary: 'Generate user ID' }) | ||
@ApiParam({ name: 'identifier', description: 'Unique identifier to generate UUID' }) | ||
@ApiResponse({ status: 200, description: 'User ID generated successfully' }) |
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💡 Codebase verification
Input validation needed for the identifier parameter
The endpoint currently lacks input validation for the identifier parameter. While the global ValidationPipe is configured in both app.module.ts and user.module.ts, there are no specific validation rules applied to the identifier parameter. Consider:
- The identifier is used to generate a UUID v5, which requires a valid input string
- No length limits or format validation is currently in place
- No sanitization is performed on the input
Recommendations:
- Create a DTO with class-validator decorators to validate the identifier
- Add validation rules for minimum/maximum length
- Consider adding a format pattern check if the identifier should follow a specific format
- Apply the validation pipe at the parameter level with appropriate transform options
🔗 Analysis chain
UUID generation looks good.
You might want to verify that no further validation or sanitization is needed on the identifier.
Let me check if there's any input validation or sanitization in the codebase for this endpoint.
Let me check if there are any validation pipes or DTOs being used in the codebase that might be relevant.
Let me check the content of these modules to see how validation is configured.
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Length of output: 378
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ast-grep --pattern 'class UserController {
$$$
generateUserId($$$) {
$$$
}
$$$
}'
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rg -B 2 -A 2 '@Param.*identifier'
Length of output: 3935
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rg -l "ValidationPipe"
# Look for any DTOs that might be related to user or identifier validation
fd -e ts dto
Length of output: 87
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# Check validation setup in the modules
cat src/app.module.ts
cat src/modules/user/user.module.ts
# Look for any input validation or sanitization utilities
rg -l "class-validator|class-transformer"
Length of output: 3328
} | ||
res["messageId"] = uuid.v4(); | ||
res["conversationId"] = conversation?.id; | ||
return res; | ||
} else { | ||
//translate to english | ||
// console.log("Translating to English...") | ||
// this.logger.log("Translating to English...") |
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🛠️ Refactor suggestion
Translating user input
Consider timeouts or fallback steps if translation fails or is too slow.
// Method to get a value from cache | ||
async get<T>(key: string): Promise<T | null> { | ||
return this.cache.get(key); | ||
} | ||
|
||
// Method to set a value in cache | ||
async set<T>(key: string, value: T): Promise<void> { | ||
return this.cache.set(key, value); | ||
} |
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🛠️ Refactor suggestion
Enhance type safety and error handling for cache operations
The current implementation lacks proper error handling and type safety.
- async get<T>(key: string): Promise<T | null> {
- return this.cache.get(key);
+ async get<T>(key: string): Promise<T | null> {
+ try {
+ const value = await this.cache.get<T>(key);
+ return value;
+ } catch (error) {
+ console.error(`Error getting cache key ${key}:`, error);
+ return null;
+ }
}
- async set<T>(key: string, value: T): Promise<void> {
- return this.cache.set(key, value);
+ async set<T>(key: string, value: T): Promise<void> {
+ try {
+ await this.cache.set(key, value);
+ } catch (error) {
+ console.error(`Error setting cache key ${key}:`, error);
+ throw new CacheException(`Failed to set cache key: ${key}`);
+ }
}
Committable suggestion skipped: line range outside the PR's diff.
async increment(key: string): Promise<void> { | ||
let value: any = await this.get(key); | ||
if(value) value= parseInt(value) | ||
if(value){ | ||
return this.set(key, value + 1); | ||
} | ||
return this.set(key, 1); | ||
} |
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🛠️ Refactor suggestion
Fix type safety and error handling in increment method
The current implementation has several issues:
- Unsafe type casting
- Missing error handling
- Inconsistent code formatting
async increment(key: string): Promise<void> {
- let value: any = await this.get(key);
- if(value) value= parseInt(value)
- if(value){
- return this.set(key, value + 1);
+ try {
+ const value = await this.get<string>(key);
+ const numericValue = value ? Number(value) : 0;
+
+ if (Number.isNaN(numericValue)) {
+ throw new Error(`Cache value for key ${key} is not a number`);
+ }
+
+ await this.set(key, numericValue + 1);
+ } catch (error) {
+ console.error(`Error incrementing cache key ${key}:`, error);
+ throw new CacheException(`Failed to increment cache key: ${key}`);
}
- return this.set(key, 1);
}
Committable suggestion skipped: line range outside the PR's diff.
src/modules/cache/cache.provider.ts
Outdated
constructor() { | ||
this.redisClient = createClient({ url: 'redis://localhost:6379' }); | ||
this.cache = cacheManager.caching({ | ||
store: redisStore, | ||
client: this.redisClient, | ||
ttl: 60 * 5, // Time to live in seconds | ||
}); | ||
} |
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Critical: Improve Redis client configuration and error handling
Several architectural improvements are needed:
- Move Redis configuration to environment variables
- Add error handling for connection failures
- Implement proper cleanup on application shutdown
Consider this implementation:
- constructor() {
+ constructor(private configService: ConfigService) {
+ this.initializeRedisClient();
+ }
+
+ private async initializeRedisClient() {
+ const redisUrl = this.configService.get<string>('REDIS_URL');
this.redisClient = createClient({
- url: 'redis://localhost:6379'
+ url: redisUrl
});
+
+ this.redisClient.on('error', (err) => {
+ console.error('Redis Client Error:', err);
+ });
+
+ await this.redisClient.connect();
+
this.cache = cacheManager.caching({
store: redisStore,
client: this.redisClient,
- ttl: 60 * 5, // Time to live in seconds
+ ttl: this.configService.get<number>('REDIS_TTL', 300),
});
}
+
+ async onApplicationShutdown() {
+ await this.redisClient.quit();
+ }
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
constructor() { | |
this.redisClient = createClient({ url: 'redis://localhost:6379' }); | |
this.cache = cacheManager.caching({ | |
store: redisStore, | |
client: this.redisClient, | |
ttl: 60 * 5, // Time to live in seconds | |
}); | |
} | |
constructor(private configService: ConfigService) { | |
this.initializeRedisClient(); | |
} | |
private async initializeRedisClient() { | |
const redisUrl = this.configService.get<string>('REDIS_URL'); | |
this.redisClient = createClient({ | |
url: redisUrl | |
}); | |
this.redisClient.on('error', (err) => { | |
console.error('Redis Client Error:', err); | |
}); | |
await this.redisClient.connect(); | |
this.cache = cacheManager.caching({ | |
store: redisStore, | |
client: this.redisClient, | |
ttl: this.configService.get<number>('REDIS_TTL', 300), | |
}); | |
} | |
async onApplicationShutdown() { | |
await this.redisClient.quit(); | |
} |
src/main.ts
Outdated
@@ -72,7 +86,7 @@ | |||
await app.register(multipart); | |||
await app.register(compression, { encodings: ["gzip", "deflate"] }); | |||
app.useStaticAssets({ root: join(__dirname, "../../fileUploads") }); | |||
await app.listen(3000, "0.0.0.0"); | |||
await app.listen(3001, "0.0.0.0"); |
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Port change requires environment configuration
The hardcoded port change from 3000 to 3001 should be configurable through environment variables.
- await app.listen(3001, "0.0.0.0");
+ const port = configService.get<number>('PORT', 3001);
+ await app.listen(port, "0.0.0.0");
+ logger.log(`Application is running on: http://localhost:${port}`);
Committable suggestion skipped: line range outside the PR's diff.
"nestjs-pino": "^4.1.0", | ||
"pino-http": "^10.3.0", | ||
"pino-loki": "^2.4.0", | ||
"pino-pretty": "^13.0.0", |
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💡 Codebase verification
Move pino-http to devDependencies and ensure proper package organization
The codebase shows a well-structured logging setup using nestjs-pino, with pino-loki for production logging and pino-pretty for development formatting. However:
nestjs-pino
is correctly used as the main logging frameworkpino-loki
is actively used for production logging to Lokipino-pretty
is used for development-time log formattingpino-http
is a dependency of nestjs-pino but not directly used, so it should be moved to devDependencies
Suggested changes:
- Move
pino-http
to devDependencies section in package.json - Keep
nestjs-pino
,pino-loki
, andpino-pretty
as they serve specific purposes in the logging setup
🔗 Analysis chain
Consider consolidating logging packages
The addition of multiple Pino-related packages is good for enhanced logging, but we should ensure they're all necessary.
Consider if all these packages are necessary for your use case. If some are only used in development, move them to devDependencies.
🏁 Scripts executed
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# Check if all logging packages are being used
rg "pino-http" -g "*.ts"
rg "pino-loki" -g "*.ts"
rg "pino-pretty" -g "*.ts"
Length of output: 183
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# Let's check the actual usage context in app.module.ts
cat src/app.module.ts
Length of output: 2636
const fetch = require("./fetch"); | ||
const { Headers } = fetch; | ||
const { Logger } = require('@nestjs/common'); | ||
const { HttpService } = require('@nestjs/axios'); | ||
const { ConfigService } = require('@nestjs/config'); | ||
|
||
const logger = new Logger( | ||
'utils' | ||
); |
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🛠️ Refactor suggestion
Improve module imports and logger initialization
The logger initialization and imports could be improved.
-const fetch = require("./fetch");
-const { Headers } = fetch;
-const { Logger } = require('@nestjs/common');
-const { HttpService } = require('@nestjs/axios');
-const { ConfigService } = require('@nestjs/config');
+import fetch, { Headers } from './fetch';
+import { Logger } from '@nestjs/common';
+import { HttpService } from '@nestjs/axios';
+import { ConfigService } from '@nestjs/config';
-const logger = new Logger(
- 'utils'
-);
+const logger = new Logger('Utils');
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
const fetch = require("./fetch"); | |
const { Headers } = fetch; | |
const { Logger } = require('@nestjs/common'); | |
const { HttpService } = require('@nestjs/axios'); | |
const { ConfigService } = require('@nestjs/config'); | |
const logger = new Logger( | |
'utils' | |
); | |
import fetch, { Headers } from './fetch'; | |
import { Logger } from '@nestjs/common'; | |
import { HttpService } from '@nestjs/axios'; | |
import { ConfigService } from '@nestjs/config'; | |
const logger = new Logger('Utils'); |
async questionClassifier (context) { | ||
this.logger.log("IN questionclassifier"); | ||
try{ | ||
let response: any = await this.aiToolsService.getResponseViaWadhwani(context.sessionId, context.userId, context.query, context.schemeName) | ||
if (response.error) throw new Error(`${response.error}, please try again.`) | ||
let intent; | ||
if (response.query_intent == "Invalid") intent = "convo" | ||
if (response.query_intent == "convo_starter") intent = "convo" | ||
if (response.query_intent == "convo_ender") intent = "convo" | ||
if (response.query_intent == "Installment Not Received") intent = "payment" | ||
else { | ||
intent = "invalid" | ||
} | ||
return { | ||
class: intent, | ||
response: response.response | ||
} | ||
} catch (error){ | ||
return Promise.reject(error) | ||
} | ||
} |
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🛠️ Refactor suggestion
Improve intent mapping and error handling
The current implementation has several areas for improvement:
- Intent mapping uses magic strings
- Unclear logic in intent assignment
- Inconsistent error handling
Consider this refactor:
enum QueryIntent {
INVALID = 'Invalid',
CONVO_STARTER = 'convo_starter',
CONVO_ENDER = 'convo_ender',
INSTALLMENT_NOT_RECEIVED = 'Installment Not Received'
}
enum IntentClass {
CONVO = 'convo',
PAYMENT = 'payment',
INVALID = 'invalid'
}
private getIntentClass(queryIntent: string): IntentClass {
switch (queryIntent) {
case QueryIntent.INVALID:
case QueryIntent.CONVO_STARTER:
case QueryIntent.CONVO_ENDER:
return IntentClass.CONVO;
case QueryIntent.INSTALLMENT_NOT_RECEIVED:
return IntentClass.PAYMENT;
default:
return IntentClass.INVALID;
}
}
async questionClassifier(context) {
this.logger.log('Starting question classification');
try {
const response = await this.aiToolsService.getResponseViaWadhwani(
context.sessionId,
context.userId,
context.query,
context.schemeName
);
if (response.error) {
throw new Error(`Classification failed: ${response.error}`);
}
return {
class: this.getIntentClass(response.query_intent),
response: response.response
};
} catch (error) {
this.logger.error('Question classification failed', error);
throw error;
}
}
} catch (error){ | ||
return Promise.reject(error) | ||
} |
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🛠️ Refactor suggestion
Standardize error handling across the service
Error handling is inconsistent across different methods. Some errors are logged, while others are silently rejected.
Consider implementing a centralized error handling approach:
private handleError(error: Error, context: string): never {
this.logger.error(`Error in ${context}:`, error);
throw new Error(`Operation failed in ${context}: ${error.message}`);
}
// Usage in methods:
async questionClassifier(context) {
try {
// ... implementation
} catch (error) {
this.handleError(error, 'questionClassifier');
}
}
Also applies to: 110-112, 272-274
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Actionable comments posted: 1
♻️ Duplicate comments (3)
src/modules/cache/cache.provider.ts (3)
11-23
:⚠️ Potential issueCritical: Improve Redis configuration and connection handling
The Redis client initialization needs several improvements:
- Use ConfigService for configuration management
- Add connection and error handling
- Implement proper cleanup
- Remove the ambiguous comment about host
Additionally, verify the Redis connection configuration:
#!/bin/bash # Check if Redis configuration is defined in environment files fd -t f "env" -x grep -l "REDIS_"
25-33
:⚠️ Potential issueEnhance error handling in get/set operations
The cache operations need proper error handling and type safety improvements.
40-47
:⚠️ Potential issueFix type safety and error handling in increment method
The increment operation has several issues with type safety and error handling.
🧹 Nitpick comments (1)
src/modules/cache/cache.provider.ts (1)
1-48
: Consider additional cache management featuresConsider enhancing the implementation with:
- Cache eviction policies and memory limits
- Cache hit/miss metrics for monitoring
- Circuit breaker pattern for Redis connection failures
- Cache warming strategies
Would you like assistance implementing any of these features?
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (2)
src/main.ts
(3 hunks)src/modules/cache/cache.provider.ts
(1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
- src/main.ts
🔇 Additional comments (1)
src/modules/cache/cache.provider.ts (1)
1-10
: LGTM! Class structure and imports are well-organized.
The imports and class declaration follow NestJS best practices, with proper dependency imports and class decoration.
// Optional: Method to delete a key from cache | ||
async del(key: string): Promise<void> { | ||
return this.cache.del(key); | ||
} |
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🛠️ Refactor suggestion
Add error handling to delete operation
The del
method should include error handling similar to other cache operations.
async del(key: string): Promise<void> {
- return this.cache.del(key);
+ try {
+ await this.cache.del(key);
+ } catch (error) {
+ console.error(`Error deleting cache key ${key}:`, error);
+ throw new Error(`Failed to delete cache key: ${key}`);
+ }
}
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
// Optional: Method to delete a key from cache | |
async del(key: string): Promise<void> { | |
return this.cache.del(key); | |
} | |
// Optional: Method to delete a key from cache | |
async del(key: string): Promise<void> { | |
try { | |
await this.cache.del(key); | |
} catch (error) { | |
console.error(`Error deleting cache key ${key}:`, error); | |
throw new Error(`Failed to delete cache key: ${key}`); | |
} | |
} |
Summary by CodeRabbit
Release Notes
New Features
Bug Fixes
Refactor
Chores