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👤 Users & Access Control

Manages authentication, user preferences, and the sharing of brokers between users.

📐 ER Diagram

erDiagram
    USER ||--|| USER_SETTINGS : "has preferences"
    USER ||--o{ BROKER_USER_ACCESS : "has access"
    BROKER ||--o{ BROKER_USER_ACCESS : "granted to"

    USER {
        int id PK
        string username
        string email
        string hashed_password
        bool is_superuser
        bool is_active
    }

    USER_SETTINGS {
        int user_id FK
        string language
        string currency
        string theme
        string avatar_url
    }

    BROKER_USER_ACCESS {
        int user_id FK
        int broker_id FK
        enum role "OWNER, EDITOR, VIEWER"
        decimal share_percentage
    }

📋 Tables

👤 USER

The core identity table. Each user has a unique username and email. The hashed_password is stored using bcrypt. The first user created automatically becomes the superuser (is_superuser = true).

⚙️ USER_SETTINGS

One-to-one with USER. Stores user-specific preferences: display language, default currency, theme (light/dark), and avatar URL. When a setting is not defined here, the system falls back to the corresponding GLOBAL_SETTING.

🌍 GLOBAL_SETTING

System-wide configuration managed by the admin. Includes settings like session_ttl_hours, max_upload_size_mb, and default values for user preferences.

🔑 BROKER_USER_ACCESS

The pivot table for the Many-to-Many relationship between Users and Brokers. It stores:

  • 🛡️ role: One of OWNER, EDITOR, or VIEWER — see Access Control (RBAC) for the full permission matrix.
  • 📊 share_percentage: The ownership percentage (0-100) used for aggregated portfolio calculations (e.g., joint accounts at 50%).