README-User Data Synchronization in Microservice-Based System-1.eraserdiagram

sequence-diagram

title User Data Synchronization in Microservice-Based System

// Actors
HRM [icon: monitor, color: blue]
ERP [icon: server, color: green]
PMS [icon: database, color: red]
MessageBroker [icon: cloud, color: orange]

// User Creation in HRM
HRM > MessageBroker: Publish user.created message
activate HRM
MessageBroker > ERP: Notify new user
MessageBroker > PMS: Notify new user
deactivate HRM

par [label: Update Databases] {
  ERP > ERP: Add user to ERP database
  and {
    PMS > PMS: Add user to PMS database
  }
}

// User Creation in ERP
ERP > MessageBroker: Publish user.created message
activate ERP
MessageBroker > HRM: Notify new user
deactivate ERP

opt [label: Update HRM Database] {
  HRM > HRM: Add user to HRM database
}

// User Creation in PMS
PMS > MessageBroker: Publish user.created message
activate PMS
MessageBroker > HRM: Notify new user
deactivate PMS

opt [label: Update HRM Database] {
  HRM > HRM: Add user to HRM database
}

// Special Case Handling (PMS to ERP)
PMS > MessageBroker: Publish user.created (type: host) message
activate PMS
MessageBroker > ERP: Notify new host user
deactivate PMS

opt [label: Add to ERP Customer Table] {
  ERP > ERP: Add user to customer table
}