83 lines
3.4 KiB
Python
83 lines
3.4 KiB
Python
import re
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from datetime import datetime
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from typing import Dict, Optional
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from config import item_attributes
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from definitions.attribute import textAttribute, intAttribute, floatAttribute, dateAttribute, selectAttribute
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def _is_int(value: str) -> bool:
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"""Check if a value is a valid integer."""
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try:
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int(value)
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return True
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except (ValueError, TypeError):
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return False
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def _is_float(value: str) -> bool:
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"""Check if a value is a valid float."""
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try:
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float(value)
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return True
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except (ValueError, TypeError):
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return False
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def _is_date(value: str) -> bool:
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"""Check if a value is a valid date in YYYY-MM-DD format."""
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try:
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datetime.strptime(value, "%Y-%m-%d")
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return True
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except (ValueError, TypeError):
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return False
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def validate_values(form_data: Dict[str, str]) -> Optional[str]:
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"""
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Validate the submitted form values against the item_attributes configuration.
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Returns an error message if invalid, otherwise None.
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"""
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for attrib in item_attributes:
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value = form_data.get(attrib.attrib_name)
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# Check required fields
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if attrib.required and not value:
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return f"{attrib.display_name} is required."
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# Skip validation for empty optional fields
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if not value:
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continue
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# Validate based on attribute type
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if isinstance(attrib, textAttribute):
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if attrib.regex and not re.match(attrib.regex, value):
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return f"Invalid value for {attrib.display_name}. Must match the pattern: {attrib.regex}."
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elif isinstance(attrib, intAttribute):
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if not _is_int(value):
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return f"{attrib.display_name} must be an integer."
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value_int = int(value)
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if attrib.min_val is not None and value_int < attrib.min_val:
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return f"{attrib.display_name} must be greater than or equal to {attrib.min_val}."
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if attrib.max_val is not None and value_int > attrib.max_val:
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return f"{attrib.display_name} must be less than or equal to {attrib.max_val}."
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elif isinstance(attrib, floatAttribute):
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if not _is_float(value):
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return f"{attrib.display_name} must be a number."
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value_float = float(value)
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if attrib.min_val is not None and value_float < attrib.min_val:
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return f"{attrib.display_name} must be greater than or equal to {attrib.min_val}."
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if attrib.max_val is not None and value_float > attrib.max_val:
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return f"{attrib.display_name} must be less than or equal to {attrib.max_val}."
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elif isinstance(attrib, dateAttribute):
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if not _is_date(value):
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return f"{attrib.display_name} must be a valid date in YYYY-MM-DD format."
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value_date = datetime.strptime(value, "%Y-%m-%d").date()
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if attrib.min_val and value_date < datetime.strptime(attrib.min_val, "%Y-%m-%d").date():
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return f"{attrib.display_name} cannot be earlier than {attrib.min_val}."
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if attrib.max_val and value_date > datetime.strptime(attrib.max_val, "%Y-%m-%d").date():
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return f"{attrib.display_name} cannot be later than {attrib.max_val}."
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elif isinstance(attrib, selectAttribute):
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if value not in attrib.options:
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return f"{attrib.display_name} must be one of: {', '.join(attrib.options)}."
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return None # No errors |