Database Models
===============

Database models are provided by the ``ccat_ops_db`` package.

Key Models
----------

**Operations**:

* ``ExecutedObsUnit`` - Actual telescope observations
* ``RawDataFile`` - Data file metadata
* ``RawDataPackage`` - File groupings

**Planning**:

* ``ObsUnit`` - Planned observations
* ``ObservingProgram`` - Observation programs
* ``Source`` - Astronomical sources

**Transfer**:

* ``DataTransfer`` - Transfer operations
* ``PhysicalCopy`` - Physical storage copies

**Authentication**:

* ``User`` - System users
* ``APIToken`` - API tokens
* ``Role`` - User roles
* ``Permission`` - Permissions

For complete model definitions, see the `ops-db repository <https://github.com/ccatobs/ops-db>`_.