mtg_python_deckbuilder/code/web/validation/models.py

212 lines
7.7 KiB
Python

"""Pydantic models for request validation.
Defines typed models for all web route inputs with automatic validation.
"""
from __future__ import annotations
from typing import Optional, List
from pydantic import BaseModel, Field, field_validator, model_validator
from enum import Enum
class PowerBracket(int, Enum):
"""Power bracket enumeration (1-4)."""
BRACKET_1 = 1
BRACKET_2 = 2
BRACKET_3 = 3
BRACKET_4 = 4
class DeckMode(str, Enum):
"""Deck building mode."""
STANDARD = "standard"
RANDOM = "random"
HEADLESS = "headless"
class OwnedMode(str, Enum):
"""Owned cards usage mode."""
OFF = "off"
PREFER = "prefer"
ONLY = "only"
class CommanderPartnerType(str, Enum):
"""Commander partner configuration type."""
SINGLE = "single"
PARTNER = "partner"
BACKGROUND = "background"
PARTNER_WITH = "partner_with"
class BuildRequest(BaseModel):
"""Build request validation model."""
commander: str = Field(..., min_length=1, max_length=200, description="Commander card name")
themes: List[str] = Field(default_factory=list, max_length=5, description="Theme tags")
power_bracket: PowerBracket = Field(default=PowerBracket.BRACKET_2, description="Power bracket (1-4)")
# Partner configuration
partner_mode: Optional[CommanderPartnerType] = Field(default=None, description="Partner type")
partner_name: Optional[str] = Field(default=None, max_length=200, description="Partner commander name")
background_name: Optional[str] = Field(default=None, max_length=200, description="Background name")
# Owned cards
owned_mode: OwnedMode = Field(default=OwnedMode.OFF, description="Owned cards mode")
# Custom theme
custom_theme_name: Optional[str] = Field(default=None, max_length=100, description="Custom theme name")
custom_theme_tags: Optional[List[str]] = Field(default=None, max_length=20, description="Custom theme tags")
# Include/exclude lists
must_include: Optional[List[str]] = Field(default=None, max_length=99, description="Must-include card names")
must_exclude: Optional[List[str]] = Field(default=None, max_length=500, description="Must-exclude card names")
# Random modes
random_commander: bool = Field(default=False, description="Randomize commander")
random_themes: bool = Field(default=False, description="Randomize themes")
random_seed: Optional[int] = Field(default=None, ge=0, description="Random seed")
@field_validator("commander")
@classmethod
def validate_commander_not_empty(cls, v: str) -> str:
"""Ensure commander name is not just whitespace."""
if not v or not v.strip():
raise ValueError("Commander name cannot be empty")
return v.strip()
@field_validator("themes")
@classmethod
def validate_themes_unique(cls, v: List[str]) -> List[str]:
"""Ensure themes are unique and non-empty."""
if not v:
return []
cleaned = [t.strip() for t in v if t and t.strip()]
seen = set()
unique = []
for theme in cleaned:
lower = theme.lower()
if lower not in seen:
seen.add(lower)
unique.append(theme)
return unique
@model_validator(mode="after")
def validate_partner_consistency(self) -> "BuildRequest":
"""Validate partner configuration consistency."""
if self.partner_mode == CommanderPartnerType.PARTNER:
if not self.partner_name:
raise ValueError("Partner mode requires partner_name")
if self.partner_mode == CommanderPartnerType.BACKGROUND:
if not self.background_name:
raise ValueError("Background mode requires background_name")
if self.partner_name and not self.partner_mode:
raise ValueError("partner_name requires partner_mode to be set")
if self.background_name and self.partner_mode != CommanderPartnerType.BACKGROUND:
raise ValueError("background_name only valid with background partner_mode")
return self
@model_validator(mode="after")
def validate_custom_theme_consistency(self) -> "BuildRequest":
"""Validate custom theme requires both name and tags."""
if self.custom_theme_name and not self.custom_theme_tags:
raise ValueError("Custom theme requires both name and tags")
if self.custom_theme_tags and not self.custom_theme_name:
raise ValueError("Custom theme tags require theme name")
return self
class CommanderSearchRequest(BaseModel):
"""Commander search/validation request."""
query: str = Field(..., min_length=1, max_length=200, description="Search query")
limit: int = Field(default=10, ge=1, le=100, description="Maximum results")
@field_validator("query")
@classmethod
def validate_query_not_empty(cls, v: str) -> str:
"""Ensure query is not just whitespace."""
if not v or not v.strip():
raise ValueError("Search query cannot be empty")
return v.strip()
class ThemeValidationRequest(BaseModel):
"""Theme validation request."""
themes: List[str] = Field(..., min_length=1, max_length=10, description="Themes to validate")
@field_validator("themes")
@classmethod
def validate_themes_not_empty(cls, v: List[str]) -> List[str]:
"""Ensure themes are not empty."""
cleaned = [t.strip() for t in v if t and t.strip()]
if not cleaned:
raise ValueError("At least one valid theme required")
return cleaned
class OwnedCardsImportRequest(BaseModel):
"""Owned cards import request."""
format_type: str = Field(..., pattern="^(csv|txt|arena)$", description="File format")
content: str = Field(..., min_length=1, description="File content")
@field_validator("content")
@classmethod
def validate_content_not_empty(cls, v: str) -> str:
"""Ensure content is not empty."""
if not v or not v.strip():
raise ValueError("File content cannot be empty")
return v
class BatchBuildRequest(BaseModel):
"""Batch build request for multiple variations."""
base_config: BuildRequest = Field(..., description="Base build configuration")
count: int = Field(..., ge=1, le=10, description="Number of builds to generate")
variation_seed: Optional[int] = Field(default=None, ge=0, description="Seed for variations")
@field_validator("count")
@classmethod
def validate_count_reasonable(cls, v: int) -> int:
"""Ensure batch count is reasonable."""
if v > 10:
raise ValueError("Batch count cannot exceed 10")
return v
class CardReplacementRequest(BaseModel):
"""Card replacement request for compliance."""
card_name: str = Field(..., min_length=1, max_length=200, description="Card to replace")
reason: Optional[str] = Field(default=None, max_length=500, description="Replacement reason")
@field_validator("card_name")
@classmethod
def validate_card_name_not_empty(cls, v: str) -> str:
"""Ensure card name is not empty."""
if not v or not v.strip():
raise ValueError("Card name cannot be empty")
return v.strip()
class DeckExportRequest(BaseModel):
"""Deck export request."""
format_type: str = Field(..., pattern="^(csv|txt|json|arena)$", description="Export format")
include_commanders: bool = Field(default=True, description="Include commanders in export")
include_lands: bool = Field(default=True, description="Include lands in export")
class Config:
"""Pydantic configuration."""
use_enum_values = True