117 lines
3.5 KiB
Python
117 lines
3.5 KiB
Python
from typing import Dict
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from sqlalchemy.orm import Session
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from fastapi import HTTPException
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from email_validator import validate_email, EmailNotValidError
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from models.contact import Contact
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from schemas.contact import ContactCreate, ContactSchema
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def validate_contact_data(contact_data: ContactCreate) -> Dict[str, str]:
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"""
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Validates contact form submission data with enhanced email validation.
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Args:
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contact_data (ContactCreate): The contact form data to validate.
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Returns:
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Dict[str, str]: Dictionary containing validation errors, if any.
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"""
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errors = {}
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# Check required fields
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if not contact_data.name or not contact_data.name.strip():
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errors["name"] = "Name is required"
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elif len(contact_data.name) > 255:
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errors["name"] = "Name must not exceed 255 characters"
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if not contact_data.email:
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errors["email"] = "Email is required"
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else:
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try:
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# Validate email format using email-validator
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validate_email(contact_data.email)
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except EmailNotValidError as e:
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errors["email"] = str(e)
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if not contact_data.message or not contact_data.message.strip():
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errors["message"] = "Message is required"
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return errors
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def create_contact(db: Session, contact_data: ContactCreate) -> Contact:
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"""
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Creates a new contact submission in the database after validation.
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Args:
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db (Session): The database session.
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contact_data (ContactCreate): The validated contact form data.
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Returns:
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Contact: The newly created contact object.
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Raises:
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HTTPException: If validation fails or database operation fails.
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"""
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# Validate contact data
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validation_errors = validate_contact_data(contact_data)
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if validation_errors:
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raise HTTPException(
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status_code=400,
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detail={"message": "Validation failed", "errors": validation_errors}
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)
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try:
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# Create new contact
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db_contact = Contact(**contact_data.dict())
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db.add(db_contact)
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db.commit()
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db.refresh(db_contact)
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return db_contact
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except Exception as e:
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db.rollback()
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raise HTTPException(
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status_code=500,
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detail={"message": "Failed to create contact", "error": str(e)}
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)
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def sanitize_contact_data(contact_data: ContactCreate) -> ContactCreate:
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"""
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Sanitizes contact form input data and ensures email format.
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Args:
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contact_data (ContactCreate): The raw contact form data.
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Returns:
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ContactCreate: The sanitized contact form data.
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Raises:
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HTTPException: If email format is invalid after sanitization.
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"""
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try:
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# Sanitize and validate email
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email = contact_data.email.strip().lower()
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validate_email(email)
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# Create a new dict with sanitized values
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sanitized_data = ContactCreate(
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name=contact_data.name.strip(),
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email=email,
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message=contact_data.message.strip()
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)
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return sanitized_data
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except EmailNotValidError as e:
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raise HTTPException(
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status_code=400,
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detail={"message": "Invalid email format", "error": str(e)}
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)
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def format_contact_response(contact: Contact) -> ContactSchema:
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"""
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Formats a contact database object into a response schema.
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Args:
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contact (Contact): The contact database object.
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Returns:
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ContactSchema: The formatted contact response.
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"""
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return ContactSchema.from_orm(contact) |