WIP

Author: vanvianen

src/django-ifc/models/model_ifc_building.py

@@ -0,0 +1,41 @@
+from django.db import models
+
+
+class Building(models.Model):
+    """
+    """
+    name = models.CharField(max_length=100)
+    address = models.TextField()
+
+    def __str__(self):
+        return self.name
+
+class Building(models.Model):
+    project = models.ForeignKey(Project, on_delete=models.CASCADE, related_name='buildings')
+    name = models.CharField(max_length=255)
+    location_description = models.CharField(max_length=255, blank=True, null=True)
+    
+    def __str__(self):
+        return self.name
+
+
+class IfcBuilding(models.Model):
+    # Core Attributes
+    name = models.CharField(max_length=255, blank=True, null=True)
+    description = models.TextField(blank=True, null=True)
+
+    # Relational Attributes
+    object_placement = models.JSONField(blank=True, null=True, help_text="Spatial structure of the building.")
+    representation = models.JSONField(blank=True, null=True, help_text="Representation of the building in terms of geometry or other parameters.")
+
+    # Specific Attributes
+    elevation_of_ref_height = models.DecimalField(max_digits=9, decimal_places=2, blank=True, null=True, help_text="Elevation at reference height above sea level.")
+    elevation_of_terrain = models.DecimalField(max_digits=9, decimal_places=2, blank=True, null=True, help_text="Elevation of the natural terrain around the building's perimeter at reference height.")
+    building_address = models.JSONField(blank=True, null=True, help_text="Address of the building.")
+
+    # Relationships (For simplicity, assuming relationships are managed as JSON. Adjust according to your application's needs.)
+    building_elements = models.JSONField(blank=True, null=True, help_text="Elements that form part of the building.")
+    project = models.ForeignKey('IfcProject', on_delete=models.CASCADE, related_name='buildings', blank=True, null=True)
+
+    def __str__(self):
+        return self.name or "Unnamed Building"

src/django-ifc/models/model_ifc_product.py

@@ -0,0 +1,18 @@
+https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/ifckernel/lexical/ifcproduct.htm
+
+from django.db import models
+
+class IfcProduct(models.Model):
+    # Attributes
+    name = models.CharField(max_length=255, blank=True, null=True)
+    description = models.TextField(blank=True, null=True)
+    object_placement = models.JSONField(blank=True, null=True, help_text="Spatial structure defining the object's placement in the project.")
+    representation = models.JSONField(blank=True, null=True, help_text="Physical or geometric representation of the product.")
+    
+    # Relationships
+    project = models.ForeignKey('IfcProject', on_delete=models.CASCADE, related_name='products', blank=True, null=True)
+    owner_history = models.ForeignKey('IfcOwnerHistory', on_delete=models.SET_NULL, null=True, blank=True, help_text="Information about the creation or modification of the product.")
+
+    def __str__(self):
+        return self.name or "Unnamed Product"
+

src/django-ifc/models/model_ifc_project.py

@@ -0,0 +1,101 @@
+# -*- coding: utf-8 -*-
+
+
+# =============================================================================
+# Docstring
+# =============================================================================
+
+"""
+Provides IFC Project Model Class
+================================
+
+
+For detailed specifications, see:
+https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/ifckernel/lexical/ifcproject.htm
+
+"""  # noqa E501
+
+
+# =============================================================================
+# Import
+# =============================================================================
+
+# Import | Standard Library
+# from uuid import uuid4
+# from typing import Any, Dict, List
+
+# Import | Libraries
+from django.urls import reverse
+from django.utils.translation import gettext_lazy as _
+
+# Import | Local Modules
+from .model_ifc_object_definition import IfcObjectDefinitionModel
+from ..fields.model import (
+    IfcLabelField,
+)
+from .ifc_unit_assignment import IfcUnitAssignment  # Assume this handles the units used throughout the project
+from .ifc_geometric_representation_context import IfcGeometricRepresentationContext  # Assume this handles the geometric context
+
+
+# =============================================================================
+# Variables
+# =============================================================================
+
+__all__ = ["IfcProjectModel", ]
+
+
+# =============================================================================
+# Classes
+# =============================================================================
+
+class IfcProjectModel(IfcObjectDefinitionModel):
+    """
+    IFC Project Model Class
+    =======================
+
+    Model representing an IfcProject as defined in the IFC 2x3 standard.
+
+    This model encapsulates the top-level project information in an IFC file,
+    providing a context for all project-related data, including project name, geographic
+    and geometric context, and units of measurement.
+
+    Attributes:
+        long_name (models.CharField): A long and more descriptive name for the project.
+        phase (models.CharField): The current phase of the project (e.g., design, construction).
+        units_in_context (ForeignKey): The units used in this project.
+        representation_contexts (ManyToManyField): Contexts that define the geometric representation.
+    """
+
+    long_name = IfcLabelField(
+        blank=True,
+        null=True,
+        verbose_name=_("Long Name"),
+        help_text=_("A longer and more descriptive name for the project.")
+    )
+
+    phase = IfcLabelField(
+        blank=True,
+        null=True,
+        verbose_name=_("Phase"),
+        help_text=_("The current phase of the project such as planning, construction, or operation.")  # noqa E501
+    )
+
+    units_in_context = models.ForeignKey(
+        IfcUnitAssignment,
+        on_delete=models.RESTRICT,
+        verbose_name=_("Units In Context"),
+        help_text=_("The units used within this project.")
+    )
+
+    representation_contexts = models.ManyToManyField(
+        IfcGeometricRepresentationContext,
+        verbose_name=_("Geometric Representation Contexts"),
+        help_text=_("Geometric contexts that define how the geometries are represented in the project.")
+    )
+
+    class Meta:
+        verbose_name = _("IfcProject")
+        verbose_name_plural = _("IfcProjects")
+
+    def __str__(self):
+        return f"{self.long_name} - Phase: {self.phase}"

src/django-ifc/models/model_ifc_representation.py

@@ -0,0 +1,99 @@
+# -*- coding: utf-8 -*-
+
+
+# =============================================================================
+# Docstring
+# =============================================================================
+
+"""
+Provides IFC Representation Model Class
+=======================================
+
+
+For detailed specifications, see:
+https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/ifcrepresentationresource/lexical/ifcrepresentation.htm
+
+"""  # noqa E501
+
+
+# =============================================================================
+# Import
+# =============================================================================
+
+# Import | Standard Library
+# from uuid import uuid4
+# from typing import Any, Dict, List
+
+# Import | Libraries
+from django.urls import reverse
+from django.utils.translation import gettext_lazy as _
+
+# Import | Local Modules
+from .model_ifc_object_definition import IfcObjectDefinitionModel
+from ..fields.model import (
+    IfcLabelField,
+)
+
+
+# =============================================================================
+# Variables
+# =============================================================================
+
+__all__ = ["IfcRepresentation", ]
+
+
+# =============================================================================
+# Classes
+# =============================================================================
+
+class IfcRepresentation(models.Model):
+    """
+    """
+
+class IfcRepresentation(models.Model):
+    """
+    Model representing an IfcRepresentation as defined in the IFC 2x3 standard.
+
+    This model defines the representation of a product in a specific representation context, 
+    such as the geometry or spatial structure.
+
+    Attributes:
+        context_of_items (ForeignKey): The context in which the items are represented.
+        representation_identifier (CharField): Identifier of the representation, e.g., 'Body', 'Axis'.
+        representation_type (CharField): The type of the representation, e.g., 'Mesh', 'Solid'.
+        items (ManyToManyField): Items that are part of this representation.
+    """
+
+    context_of_items = models.ForeignKey(
+        IfcRepresentationContext,
+        on_delete=models.CASCADE,
+        verbose_name=_("Context of Items"),
+        help_text=_("The context that defines how the representation items are interpreted.")
+    )
+
+    representation_identifier = models.CharField(
+        max_length=255,
+        blank=True,
+        null=True,
+        verbose_name=_("Representation Identifier"),
+        help_text=_("Identifier of the representation, such as 'Body' for geometric representation or 'Axis' for symbolic representation.")
+    )
+    representation_type = models.CharField(
+        max_length=255,
+        blank=True,
+        null=True,
+        verbose_name=_("Representation Type"),
+        help_text=_("The type of the representation, such as 'Mesh', 'Solid', or 'Curve'.")
+    )
+    items = models.ManyToManyField(
+        IfcRepresentationItem,
+        verbose_name=_("Items"),
+        help_text=_("Geometric or spatial items included in this representation.")
+    )
+
+    class Meta:
+        verbose_name = _("IfcRepresentation")
+        verbose_name_plural = _("IfcRepresentations")
+
+    def __str__(self):
+        return f"{self.representation_identifier} - {self.representation_type}"

src/django-ifc/models/model_ifc_representation_context.py

@@ -0,0 +1,87 @@
+# -*- coding: utf-8 -*-
+
+
+# =============================================================================
+# Docstring
+# =============================================================================
+
+"""
+Provides IFC Representation Context Model Class
+===============================
+
+
+For detailed specifications, see:
+https://standards.buildingsmart.org/IFC/RELEASE/IFC2x3/TC1/HTML/ifcrepresentationresource/lexical/ifcrepresentationcontext.htm
+"""  # noqa E501
+
+
+# =============================================================================
+# Import
+# =============================================================================
+
+# Import | Standard Library
+# from uuid import uuid4
+# from typing import Any, Dict, List
+
+# Import | Libraries
+from django.urls import reverse
+from django.utils.translation import gettext_lazy as _
+
+# Import | Local Modules
+from .model_ifc_object_definition import IfcObjectDefinitionModel
+from ..fields.model import (
+    IfcLabelField,
+)
+
+
+# =============================================================================
+# Variables
+# =============================================================================
+
+__all__ = ["IfcRepresentationContext", ]
+
+
+# =============================================================================
+# Classes
+# =============================================================================
+
+class IfcRepresentationContext(models.Model):
+    """
+    Model representing an IfcRepresentationContext as defined in the IFC 2x3 standard.
+
+    This model provides a context for all representations, detailing the coordinate system and dimensionality,
+    ensuring that the geometric or spatial representations are correctly interpreted according to the project's standards.
+
+    Attributes:
+        context_identifier (models.CharField): Identifies the context type (e.g., Plan, Elevation).
+        context_type (models.CharField): Describes the context further (e.g., 2D, 3D).
+        coordinate_space_dimension (models.IntegerField): The dimensionality of the coordinate system (typically 2 or 3).
+    """
+
+    context_identifier = IfcLabelField(
+        blank=True,
+        null=True,
+        verbose_name=_("Context Identifier"),
+        help_text=_("Identifies the context type, which could be used to differentiate between different graphical or spatial contexts.")  # noqa E501
+    )
+
+    context_type = IfcLabelField(
+        blank=True,
+        null=True,
+        verbose_name=_("Context Type"),
+        help_text=_("Further describes the type of representation context, such as 'Model' or 'Plan'.")  # noqa E501
+    )
+
+    coordinate_space_dimension = models.IntegerField(
+        default=3,
+        verbose_name=_("Coordinate Space Dimension"),
+        help_text=_("The dimensionality of the coordinate system used in this context, typically 2 or 3.")
+    )
+
+    class Meta:
+        verbose_name = _("IfcRepresentationContext")
+        verbose_name_plural = _("IfcRepresentationContexts")
+
+    def __str__(self):
+        return f"{self.context_identifier} ({self.context_type})"
+