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IAV-446/Add credential data retrieval, OAuth token refresh, and execution error endpoints

mohamed kaanoun a demandé de fusionner feature/IAV-446 vers develop

Summary

This MR adds new API endpoints for credential data retrieval, OAuth token refresh functionality, and execution error tracking. It also includes improvements to OAuth credential naming and bug fixes.

New Features

  • Credential Instance Info Endpoint (GET /credentials/instance/{uid}) - Retrieve credential details by UID
  • Credential Data Endpoint (GET /credentials/data/{uid}) - Internal service-to-service credential data retrieval
  • OAuth Token Refresh (POST /oauth/{provider}/refresh) - Refresh expired OAuth access tokens (Twitter, LinkedIn, etc.)
  • Latest Execution Error (GET /executions/latest-error/{workflowId}) - Retrieve the most recent workflow execution error

Improvements

  • OAuth credential naming now uses @ prefix for social handles (e.g., "Twitter - @username", "TikTok - @displayname")
  • Updated CredentialInstanceInfoDTO with credentialName and credentialType fields
  • Added n8nCredentialId field to CredentialResponseDTO
  • Removed r_member_social scope from LinkedIn OAuth (requires additional LinkedIn product approval)

Bug Fixes

  • Fixed null credentials handling in workflow updates by initializing empty credentials map
  • Added @JsonInclude(NON_NULL) to NodeDTO to prevent null values in JSON serialization

New Files

  • CredentialDataResponseDTO.java
  • OrchestrationServiceClient.java

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Credential Data Retrieval & OAuth Token Refresh Implementation

API Endpoints

  • Add credential instance info endpoint (GET /instance/{credentialInstanceUid})
  • Add credential data endpoint (GET /data/{credentialInstanceUid})
  • Add OAuth token refresh endpoint (POST /{provider}/refresh)
  • Add latest execution error endpoint (GET /latest-error/{workflowId})

State Management

  • Add OrchestrationServiceClient for service-to-service communication
  • Add findByUid and findByCredentialAndInstanceName repository methods
  • Implement OAuth token update and persistence logic

Type Definitions

  • Create CredentialDataResponseDTO for decrypted credential data response
  • Update CredentialInstanceInfoDTO with credentialName and credentialType fields
  • Update CredentialResponseDTO with n8nCredentialId field
  • Add OAUTH_REFRESH_TOKEN_MISSING and OAUTH_TOKEN_REFRESH_FAILED error codes

Architecture

  • Improve OAuth credential naming with @ prefix for social handles (Twitter, TikTok)
  • Remove r_member_social scope from LinkedIn OAuth

Bug Fixes

  • Fix null credentials handling in workflow updates
  • Add @JsonInclude(NON_NULL) to NodeDTO to exclude null values from JSON

CLOSE IAV-446

Rapports de requête de fusion