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103 lines
3.2 KiB
Python
103 lines
3.2 KiB
Python
"""Listing request / response schemas."""
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from __future__ import annotations
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from datetime import datetime
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from typing import Optional
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from pydantic import BaseModel, Field, field_validator
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import math
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class ListingBase(BaseModel):
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title: str = Field(..., min_length=1, max_length=255)
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description: str = Field(..., min_length=1, max_length=5000)
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price: float = Field(..., gt=0)
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category_id: str
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location: str = Field(..., min_length=1, max_length=255)
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images: list[str] = Field(default_factory=list, max_length=20)
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listing_type: str = Field(default="sale", pattern="^(sale|rent)$")
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condition: Optional[str] = Field(None, pattern="^(new|used|refurbished)$")
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negotiable: bool = False
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@field_validator("price")
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@classmethod
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def price_must_be_finite(cls, v: float) -> float:
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if not math.isfinite(v):
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raise ValueError("price must be a finite number")
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return v
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@field_validator("images")
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@classmethod
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def images_must_be_http(cls, v: list) -> list:
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for url in v:
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if not (url.startswith("http://") or url.startswith("https://")):
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raise ValueError(f"Image URL must start with http:// or https://: {url!r}")
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return v
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class ListingCreate(ListingBase):
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pass
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class ListingUpdate(BaseModel):
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title: Optional[str] = Field(None, min_length=1, max_length=255)
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description: Optional[str] = Field(None, min_length=1, max_length=5000)
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price: Optional[float] = Field(None, ge=0)
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category_id: Optional[str] = None
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location: Optional[str] = Field(None, min_length=1, max_length=255)
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images: Optional[list[str]] = Field(None, max_length=20)
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listing_type: Optional[str] = Field(None, pattern="^(sale|rent)$")
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condition: Optional[str] = Field(None, pattern="^(new|used|refurbished)$")
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negotiable: Optional[bool] = None
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class ListingStatusUpdate(BaseModel):
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status: str = Field(..., pattern="^(approved|rejected)$")
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rejection_reason: Optional[str] = Field(None, max_length=1000)
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class ListingResponse(BaseModel):
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id: str
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title: str
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description: str
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price: float
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images: list[str]
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status: str
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agency_id: str
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category_id: str
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location: str
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listing_type: str
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condition: Optional[str] = None
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negotiable: bool
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views_count: int = 0
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rejection_reason: Optional[str] = None
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created_at: datetime
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updated_at: Optional[datetime] = None
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# Joined fields (optional)
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agency_name: Optional[str] = None
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category_name: Optional[str] = None
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model_config = {"from_attributes": True}
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class ListingListResponse(BaseModel):
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listings: list[ListingResponse]
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total: int
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page: int
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page_size: int
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class ListingSearchParams(BaseModel):
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search: Optional[str] = None
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category: Optional[str] = None
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min_price: Optional[float] = None
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max_price: Optional[float] = None
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location: Optional[str] = None
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listing_type: Optional[str] = None
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condition: Optional[str] = None
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sort_by: str = Field(default="newest", pattern="^(newest|oldest|price_asc|price_desc|popular)$")
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status: Optional[str] = None
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page: int = Field(default=1, ge=1)
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page_size: int = Field(default=20, ge=1, le=100)
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