6. Code Flow

User Login

sequenceDiagram
  actor User as User
  participant Keycloak as Keycloak
  participant CMS as CMS
  participant API as API

  User->>CMS: Requests login
  CMS ->> CMS: Check login method
  CMS-->>User: Requests email and password
  alt Login via Keycloak:
    User->>Keycloak: Initiates SSO login
  else Login via internal account:
    User->>API: Sends login request
  end

  alt Correct credentials
    User->>CMS: Redirects to /home
    CMS-->>User: Shows CMS home
    User->>CMS: Accesses the CMS
  else Incorrect credentials
    User-->>User: Displays error message
    alt Wrong 5 times
      User-->>User: Locks account
    end
  end

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Order Creation

sequenceDiagram
  actor User as User
  participant CMS as CMS
  participant API as API

  par Enter information:
    alt Customer's not exists:
      User->>CMS: Enter customer information
    end
    User->>CMS: Enter order information
  end
    
  CMS->>API: Send data to Server

  alt Validate data successfully:
    API-->>CMS: Notify error message
  else
    API->>Database: Stored data
    API-->>User: Send invoice via email or sms
  end

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Order Lookup

sequenceDiagram
  actor User as User
  participant Website as Website
  participant API as API

  User->>Website: Enter phone number
  Website->>API: Finding order

  alt Has any order:
    alt Has any current order:
        API-->>Website: Show order tracking page
    else
        API-->>Website: Show history page
    end
    API-->>Website: Display no order message
  end

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Delivery Progress

sequenceDiagram
  actor Driver as Driver
  actor User as User
  participant App as App
  participant CMS as CMS
  participant API as API
  participant Database as Database

  Driver->>App: Using the tracking app
  App->>API: Send GPS Location via MQTT
  API->>Database: Store location after 20 min
  API-->>CMS: Send location result
  User->>CMS: Management order deliver

  alt Has incident:
    App->>API: Notify to server
    API->>Database: Update order status [Incident]
    API-->>User: Send email and notification for warming
    alt Resolved:
      App->>API: Notify to server
      API->>Database: Update order status [Pending]
      API-->>User: Send email notification
    else 
      App->>API: Notify to server
      API->>Database: Update order status [Cancelled]
      API-->>User: Send email notification
    end
  end

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