215 lines
10 KiB
Python
215 lines
10 KiB
Python
from datetime import datetime
|
|
import re
|
|
from typing import List, Optional, Tuple
|
|
from dataclasses import dataclass, field
|
|
|
|
ALLOWED_INPUT_TYPES = {"text", "number", "date", "select"}
|
|
|
|
@dataclass
|
|
class Attribute:
|
|
"""Base class for all attribute types."""
|
|
attrib_name: str
|
|
display_name: str
|
|
html_input_type: str
|
|
required: bool = False
|
|
unique: bool = False
|
|
primary: bool = False
|
|
default_val: Optional[str] = None
|
|
compareto: Optional[List[Tuple[str, str]]] = None
|
|
|
|
def validate(self) -> Optional[str]:
|
|
"""Validate common attributes. Returns an error message if invalid, otherwise None."""
|
|
if not self.attrib_name:
|
|
return "Missing attribute name."
|
|
if not self.display_name:
|
|
return f"Missing display name for attribute '{self.attrib_name}'."
|
|
if not self.html_input_type:
|
|
return f"Missing input type for attribute '{self.attrib_name}'."
|
|
if self.html_input_type not in ALLOWED_INPUT_TYPES:
|
|
return f"Invalid input type '{self.html_input_type}' for attribute '{self.attrib_name}'."
|
|
return None
|
|
|
|
@dataclass
|
|
class textAttribute(Attribute):
|
|
"""Class for text attributes."""
|
|
regex: Optional[str] = None
|
|
min_length: Optional[int] = None
|
|
max_length: Optional[int] = 50
|
|
allowed_chars: Optional[str] = None
|
|
|
|
def __post_init__(self):
|
|
"""Post-initialization to set the HTML input type."""
|
|
self.html_input_type = "text"
|
|
|
|
def validate(self) -> Optional[str]:
|
|
"""Validate text-specific attributes."""
|
|
error = super().validate()
|
|
if error:
|
|
return error
|
|
if self.min_length is not None and self.max_length is not None:
|
|
if not isinstance(self.min_length, int) or not isinstance(self.max_length, int):
|
|
return f"Min and max lengths must be integers for '{self.attrib_name}'."
|
|
if int(self.min_length) > int(self.max_length):
|
|
return f"Max length must be greater than min length for '{self.attrib_name}'."
|
|
if self.default_val is not None:
|
|
if self.regex is not None:
|
|
compiled_regex = re.compile(self.regex)
|
|
if not compiled_regex.match(str(self.default_val)):
|
|
return f"Default value for '{self.attrib_name}' must match the pattern: {self.regex}"
|
|
if self.allowed_chars is not None:
|
|
for char in self.default_val:
|
|
if char not in self.allowed_chars:
|
|
return f"Invalid character '{char}' in default value for '{self.attrib_name}'. Allowed characters are: {self.allowed_chars}"
|
|
if self.min_length is not None:
|
|
if len(self.default_val) < int(self.min_length):
|
|
return f"Invalid default value for '{self.attrib_name}'. The minimum length is: {self.min_length}"
|
|
if self.max_length is not None:
|
|
if len(self.default_val) > int(self.max_length):
|
|
return f"Invalid default value for '{self.attrib_name}'. The maximum length is: {self.max_length}"
|
|
return None
|
|
|
|
@dataclass
|
|
class intAttribute(Attribute):
|
|
"""Class for integer attributes."""
|
|
min_val: Optional[int] = None
|
|
max_val: Optional[int] = None
|
|
step: int = 1
|
|
|
|
def __post_init__(self):
|
|
"""Post-initialization to set the HTML input type."""
|
|
self.html_input_type = "number"
|
|
|
|
def validate(self) -> Optional[str]:
|
|
"""Validate integer-specific attributes."""
|
|
error = super().validate()
|
|
if error:
|
|
return error
|
|
if self.min_val is not None and not isinstance(self.min_val, int):
|
|
return f"min_val must be an integer for attribute '{self.attrib_name}'."
|
|
if self.max_val is not None and not isinstance(self.max_val, int):
|
|
return f"max_val must be an integer for attribute '{self.attrib_name}'."
|
|
if self.min_val is not None and self.max_val is not None and self.min_val > self.max_val:
|
|
return f"min_val cannot be greater than max_val for attribute '{self.attrib_name}'."
|
|
if self.step is not None:
|
|
if not isinstance(self.step, int):
|
|
return f"Step must be an integer for attribute '{self.attrib_name}'."
|
|
if self.step <= 0:
|
|
return f"Step must be a positive integer for attribute '{self.attrib_name}'."
|
|
if self.min_val is not None and self.max_val is not None:
|
|
range_val = self.max_val - self.min_val
|
|
if self.step > range_val:
|
|
return f"Step value is too large for attribute '{self.attrib_name}'."
|
|
if self.default_val is not None:
|
|
if not isinstance(self.default_val, int):
|
|
return f"default_val must be an integer for attribute '{self.attrib_name}'."
|
|
if self.min_val is not None and self.default_val < self.min_val:
|
|
return f"default_val cannot be less than min_val for attribute '{self.attrib_name}'."
|
|
if self.max_val is not None and self.default_val > self.max_val:
|
|
return f"default_val cannot be greater than max_val for attribute '{self.attrib_name}'."
|
|
return None
|
|
|
|
@dataclass
|
|
class floatAttribute(Attribute):
|
|
"""Class for float attributes."""
|
|
min_val: Optional[float] = None
|
|
max_val: Optional[float] = None
|
|
step: float = 0.1
|
|
|
|
def __post_init__(self):
|
|
"""Post-initialization to set the HTML input type."""
|
|
self.html_input_type = "number"
|
|
|
|
def validate(self) -> Optional[str]:
|
|
"""Validate float-specific attributes."""
|
|
error = super().validate()
|
|
if error:
|
|
return error
|
|
if self.min_val is not None and not isinstance(self.min_val, (int, float)):
|
|
return f"min_val must be a number for attribute '{self.attrib_name}'."
|
|
if self.max_val is not None and not isinstance(self.max_val, (int, float)):
|
|
return f"max_val must be a number for attribute '{self.attrib_name}'."
|
|
if self.min_val is not None and self.max_val is not None and self.min_val > self.max_val:
|
|
return f"min_val cannot be greater than max_val for attribute '{self.attrib_name}'."
|
|
if self.step is not None:
|
|
if not isinstance(self.step, (int, float)):
|
|
return f"Step must be an float for attribute '{self.attrib_name}'."
|
|
if self.step <= 0:
|
|
return f"Step must be a positive float for attribute '{self.attrib_name}'."
|
|
if self.min_val is not None and self.max_val is not None:
|
|
range_val = self.max_val - self.min_val
|
|
if self.step > range_val:
|
|
return f"Step value is too large for attribute '{self.attrib_name}'."
|
|
if self.default_val is not None:
|
|
if not isinstance(self.default_val, float):
|
|
return f"default_val must be a number for attribute '{self.attrib_name}'."
|
|
if self.min_val is not None and self.default_val < self.min_val:
|
|
return f"default_val cannot be less than min_val for attribute '{self.attrib_name}'."
|
|
if self.max_val is not None and self.default_val > self.max_val:
|
|
return f"default_val cannot be greater than max_val for attribute '{self.attrib_name}'."
|
|
return None
|
|
|
|
@dataclass
|
|
class dateAttribute(Attribute):
|
|
"""Class for date attributes."""
|
|
min_val: Optional[str] = None
|
|
max_val: Optional[str] = None
|
|
|
|
def __post_init__(self):
|
|
"""Post-initialization to set the HTML input type."""
|
|
self.html_input_type = "date"
|
|
|
|
def _is_date(self, value: str) -> bool:
|
|
"""Check if a value is a valid date in YYYY-MM-DD format."""
|
|
try:
|
|
datetime.strptime(value, "%Y-%m-%d")
|
|
return True
|
|
except ValueError:
|
|
return False
|
|
|
|
def validate(self) -> Optional[str]:
|
|
"""Validate date-specific attributes."""
|
|
error = super().validate()
|
|
if error:
|
|
return error
|
|
if self.min_val is not None and not self._is_date(self.min_val):
|
|
return f"min_val must be a valid date (YYYY-MM-DD) for attribute '{self.attrib_name}'."
|
|
if self.max_val is not None and not self._is_date(self.max_val):
|
|
return f"max_val must be a valid date (YYYY-MM-DD) for attribute '{self.attrib_name}'."
|
|
if self.min_val is not None and self.max_val is not None:
|
|
min_date = datetime.strptime(self.min_val, "%Y-%m-%d")
|
|
max_date = datetime.strptime(self.max_val, "%Y-%m-%d")
|
|
if max_date < min_date:
|
|
return f"max_val cannot be earlier than min_val for attribute '{self.attrib_name}'."
|
|
if self.default_val is not None and not self._is_date(self.default_val):
|
|
return f"default_val must be a valid date (YYYY-MM-DD) for attribute '{self.attrib_name}'."
|
|
if self.default_val is not None:
|
|
default_date = datetime.strptime(self.default_val, "%Y-%m-%d")
|
|
if self.min_val is not None:
|
|
min_date = datetime.strptime(self.min_val, "%Y-%m-%d")
|
|
if default_date < min_date:
|
|
return f"default_val cannot be earlier than min_val for attribute '{self.attrib_name}'."
|
|
if self.max_val is not None:
|
|
max_date = datetime.strptime(self.max_val, "%Y-%m-%d")
|
|
if default_date > max_date:
|
|
return f"default_val cannot be later than max_val for attribute '{self.attrib_name}'."
|
|
return None
|
|
|
|
@dataclass
|
|
class selectAttribute(Attribute):
|
|
"""Class for select attributes."""
|
|
options: List[str] = None
|
|
|
|
def __post_init__(self):
|
|
"""Post-initialization to set the HTML input type."""
|
|
self.html_input_type = "select"
|
|
|
|
def validate(self) -> Optional[str]:
|
|
"""Validate select-specific attributes."""
|
|
error = super().validate()
|
|
if error:
|
|
return error
|
|
if not self.options:
|
|
return f"options cannot be empty for attribute '{self.attrib_name}'."
|
|
if self.default_val is not None and self.default_val not in self.options:
|
|
return f"default_val must be one of the options for attribute '{self.attrib_name}'."
|
|
return None |