103 lines
4.4 KiB
Python
103 lines
4.4 KiB
Python
from datetime import datetime
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import re
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from typing import Dict, Any, Optional
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from definitions.attribute import *
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from config import item_attributes
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def _is_int(value: Any) -> bool:
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"""Check if a value is a valid integer (including string representations)."""
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if isinstance(value, int):
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return True
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if isinstance(value, str):
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try:
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int(value)
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return True
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except ValueError:
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return False
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return False
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def _is_float(value: Any) -> bool:
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"""Check if a value is a valid float (including string representations)."""
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if isinstance(value, (int, float)):
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return True
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if isinstance(value, str):
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try:
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float(value)
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return True
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except ValueError:
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return False
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return False
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def _is_date(value: Any) -> bool:
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"""Check if a value is a valid date in YYYY-MM-DD format."""
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if not isinstance(value, str):
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return False
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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:
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return False
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def validate_values(form_data: Dict[str, Any]) -> Optional[str]:
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"""
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Validate form data against the configuration in item_attributes.
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Returns an error message if invalid, otherwise None.
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"""
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# Check if all required fields are present
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for attrib in item_attributes:
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if attrib.required and attrib.attrib_name not in form_data:
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return f"Missing required field: {attrib.display_name}."
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# Check for unexpected fields
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submitted_fields = set(form_data.keys())
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expected_fields = {attrib.attrib_name for attrib in item_attributes}
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if unexpected_fields := submitted_fields - expected_fields:
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return f"Unexpected fields submitted: {', '.join(unexpected_fields)}."
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# Validate each field
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for attrib in item_attributes:
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if attrib.attrib_name not in form_data:
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continue # Skip optional fields that are not submitted
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value = form_data[attrib.attrib_name]
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# Validate based on attribute type
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if isinstance(attrib, textAttribute):
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if attrib.regex is not None and not re.match(attrib.regex, str(value)):
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return f"Invalid value for {attrib.display_name}. Must match 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"Invalid value for {attrib.display_name}. Must be an integer."
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value_int = int(value) # Convert to integer for range checks
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if attrib.min_val is not None and value_int < attrib.min_val:
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return f"Invalid value for {attrib.display_name}. Must be at least {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"Invalid value for {attrib.display_name}. Must be at most {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"Invalid value for {attrib.display_name}. Must be a number."
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value_float = float(value) # Convert to float for range checks
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if attrib.min_val is not None and value_float < attrib.min_val:
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return f"Invalid value for {attrib.display_name}. Must be at least {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"Invalid value for {attrib.display_name}. Must be at most {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"Invalid value for {attrib.display_name}. Must be a valid date (YYYY-MM-DD)."
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if attrib.min_val is not None:
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min_date = datetime.strptime(attrib.min_val, "%Y-%m-%d")
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if datetime.strptime(value, "%Y-%m-%d") < min_date:
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return f"Invalid value for {attrib.display_name}. Must be on or after {attrib.min_val}."
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if attrib.max_val is not None:
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max_date = datetime.strptime(attrib.max_val, "%Y-%m-%d")
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if datetime.strptime(value, "%Y-%m-%d") > max_date:
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return f"Invalid value for {attrib.display_name}. Must be on or before {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"Invalid value for {attrib.display_name}. Must be one of: {', '.join(attrib.options)}."
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return None # No errors |