flask_crud_app/functions/validate_values.py

43 lines
1.9 KiB
Python

import re
from datetime import datetime
# Validate the input value based on the attribute's constraints
def validate_value(attrib, input_val):
# Check if the value is required
if attrib.required and not input_val:
return f"{attrib.display_name} is required."
# Validate based on input type
if attrib.html_input_type == "number":
try:
input_val = int(input_val)
except ValueError:
return f"{attrib.display_name} must be a valid number."
if attrib.min is not None and input_val < attrib.min:
return f"{attrib.display_name} must be at least {attrib.min}."
if attrib.max is not None and input_val > attrib.max:
return f"{attrib.display_name} must be at most {attrib.max}."
elif attrib.html_input_type == "date":
try:
input_val = datetime.strptime(input_val, "%Y-%m-%d") # Validate date format
if attrib.min is not None and input_val < datetime.strptime(attrib.min, "%Y-%m-%d"):
return f"{attrib.display_name} must be on or after {attrib.min}."
if attrib.max is not None and input_val > datetime.strptime(attrib.max, "%Y-%m-%d"):
return f"{attrib.display_name} must be on or before {attrib.max}."
except:
return f"{attrib.display_name} must be a valid date in YYYY-MM-DD format."
elif attrib.html_input_type == "select":
if input_val not in attrib.options:
return f"{attrib.display_name} must be one of {attrib.options}."
elif attrib.html_input_type == "text":
if attrib.regex and not re.match(attrib.regex, input_val):
return f"{attrib.display_name} is invalid. Allowed pattern: {attrib.regex}."
# Validate comparison
#if attrib.compareto:
# compare attrib value
#return ""
# If all checks pass, return "Ok"
return "Ok"