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c335df4 d85c750 c335df4 d85c750 353cfb6 d85c750 353cfb6 c335df4 d85c750 c335df4 ca44fa4 c335df4 d85c750 c335df4 d85c750 c79ae02 d85c750 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | from pydantic import BaseModel, HttpUrl, field_validator, Field, ConfigDict
from typing import Optional, List
from datetime import datetime
from email.utils import parsedate_to_datetime
class Article(BaseModel):
"""News article model"""
model_config = ConfigDict(populate_by_name=True)
title: str
id: Optional[str] = Field(None, alias="$id") # Appwrite ID
description: Optional[str] = ""
url: Optional[str] = None # Relaxed validation for compatibility
# Direct mapping to DB fields (snake_case)
image_url: Optional[str] = ""
published_at: datetime
source: Optional[str] = ""
category: Optional[str] = ""
audio_url: Optional[str] = None # URL to audio summary
text_summary: Optional[str] = None # Generated text summary
# Engagement Stats (Side-loaded)
likes: int = 0
dislikes: int = Field(default=0, validation_alias="dislike") # Alias for DB 'dislike'
views: int = 0
@field_validator('published_at', mode='before')
@classmethod
def parse_datetime(cls, v):
"""Parse datetime from various formats including RFC 2822 (RSS feeds)"""
if isinstance(v, datetime):
return v
if isinstance(v, str):
try:
# Try RFC 2822 format (used by RSS feeds like Google News)
# Example: "Tue, 06 Jan 2026 19:14:27 GMT"
return parsedate_to_datetime(v)
except:
try:
# Try ISO format
return datetime.fromisoformat(v.replace('Z', '+00:00'))
except:
try:
# Fallback to dateutil parser
from dateutil import parser
return parser.parse(v)
except:
# Last resort: return current time
return datetime.now()
return v
class NewsResponse(BaseModel):
"""Response model for news endpoints"""
success: bool
category: str
count: int
articles: List[Article]
cached: bool = False
source: Optional[str] = None # "redis", "appwrite", "empty", or "api"
message: Optional[str] = None # User-friendly message for empty states
class SearchResponse(BaseModel):
"""Response model for search endpoints"""
success: bool
query: str
count: int
articles: List[Article]
class ViewCountRequest(BaseModel):
"""Request model for view count increment"""
article_url: HttpUrl
class ViewCountResponse(BaseModel):
"""Response model for view count"""
success: bool
article_url: str
view_count: int
class ErrorResponse(BaseModel):
"""Error response model"""
success: bool = False
error: str
detail: Optional[str] = None
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