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391# coding=utf-8
"""
应用上下文模块
提供配置上下文类，封装所有依赖配置的操作，消除全局状态和包装函数。
"""
from datetime import datetime
from pathlib import Path
from typing import Any, Callable, Dict, List, Optional, Tuple
from trendradar.utils.time import (
get_configured_time,
format_date_folder,
format_time_filename,
get_current_time_display,
convert_time_for_display,
)
from trendradar.core import (
load_frequency_words,
matches_word_groups,
save_titles_to_file,
read_all_today_titles,
detect_latest_new_titles,
is_first_crawl_today,
count_word_frequency,
)
from trendradar.report import (
clean_title,
prepare_report_data,
generate_html_report,
render_html_content,
)
from trendradar.notification import (
render_feishu_content,
render_dingtalk_content,
split_content_into_batches,
NotificationDispatcher,
PushRecordManager,
)
from trendradar.storage import get_storage_manager
class AppContext:
"""
应用上下文类
封装所有依赖配置的操作，提供统一的接口。
消除对全局 CONFIG 的依赖，提高可测试性。
使用示例:
config = load_config()
ctx = AppContext(config)
# 时间操作
now = ctx.get_time()
date_folder = ctx.format_date()
# 存储操作
storage = ctx.get_storage_manager()
# 报告生成
html = ctx.generate_html_report(stats, total_titles, ...)
"""
def __init__(self, config: Dict[str, Any]):
"""
初始化应用上下文
Args:
config: 完整的配置字典
"""
self.config = config
self._storage_manager = None
# === 配置访问 ===
@property
def timezone(self) -> str:
"""获取配置的时区"""
return self.config.get("TIMEZONE", "Asia/Shanghai")
@property
def rank_threshold(self) -> int:
"""获取排名阈值"""
return self.config.get("RANK_THRESHOLD", 50)
@property
def weight_config(self) -> Dict:
"""获取权重配置"""
return self.config.get("WEIGHT_CONFIG", {})
@property
def platforms(self) -> List[Dict]:
"""获取平台配置列表"""
return self.config.get("PLATFORMS", [])
@property
def platform_ids(self) -> List[str]:
"""获取平台ID列表"""
return [p["id"] for p in self.platforms]
# === 时间操作 ===
def get_time(self) -> datetime:
"""获取当前配置时区的时间"""
return get_configured_time(self.timezone)
def format_date(self) -> str:
"""格式化日期文件夹 (YYYY-MM-DD)"""
return format_date_folder(timezone=self.timezone)
def format_time(self) -> str:
"""格式化时间文件名 (HH-MM)"""
return format_time_filename(self.timezone)
def get_time_display(self) -> str:
"""获取时间显示 (HH:MM)"""
return get_current_time_display(self.timezone)
@staticmethod
def convert_time_display(time_str: str) -> str:
"""将 HH-MM 转换为 HH:MM"""
return convert_time_for_display(time_str)
# === 存储操作 ===
def get_storage_manager(self):
"""获取存储管理器（延迟初始化，单例）"""
if self._storage_manager is None:
storage_config = self.config.get("STORAGE", {})
remote_config = storage_config.get("REMOTE", {})
local_config = storage_config.get("LOCAL", {})
pull_config = storage_config.get("PULL", {})
self._storage_manager = get_storage_manager(
backend_type=storage_config.get("BACKEND", "auto"),
data_dir=local_config.get("DATA_DIR", "output"),
enable_txt=storage_config.get("FORMATS", {}).get("TXT", True),
enable_html=storage_config.get("FORMATS", {}).get("HTML", True),
remote_config={
"bucket_name": remote_config.get("BUCKET_NAME", ""),
"access_key_id": remote_config.get("ACCESS_KEY_ID", ""),
"secret_access_key": remote_config.get("SECRET_ACCESS_KEY", ""),
"endpoint_url": remote_config.get("ENDPOINT_URL", ""),
"region": remote_config.get("REGION", ""),
},
local_retention_days=local_config.get("RETENTION_DAYS", 0),
remote_retention_days=remote_config.get("RETENTION_DAYS", 0),
pull_enabled=pull_config.get("ENABLED", False),
pull_days=pull_config.get("DAYS", 7),
timezone=self.timezone,
)
return self._storage_manager
def get_output_path(self, subfolder: str, filename: str) -> str:
"""获取输出路径"""
output_dir = Path("output") / self.format_date() / subfolder
output_dir.mkdir(parents=True, exist_ok=True)
return str(output_dir / filename)
# === 数据处理 ===
def save_titles(self, results: Dict, id_to_name: Dict, failed_ids: List) -> str:
"""保存标题到文件"""
output_path = self.get_output_path("txt", f"{self.format_time()}.txt")
return save_titles_to_file(results, id_to_name, failed_ids, output_path, clean_title)
def read_today_titles(
self, platform_ids: Optional[List[str]] = None, quiet: bool = False
) -> Tuple[Dict, Dict, Dict]:
"""读取当天所有标题"""
return read_all_today_titles(self.get_storage_manager(), platform_ids, quiet=quiet)
def detect_new_titles(
self, platform_ids: Optional[List[str]] = None, quiet: bool = False
) -> Dict:
"""检测最新批次的新增标题"""
return detect_latest_new_titles(self.get_storage_manager(), platform_ids, quiet=quiet)
def is_first_crawl(self) -> bool:
"""检测是否是当天第一次爬取"""
return self.get_storage_manager().is_first_crawl_today()
# === 频率词处理 ===
def load_frequency_words(
self, frequency_file: Optional[str] = None
) -> Tuple[List[Dict], List[str], List[str]]:
"""加载频率词配置"""
return load_frequency_words(frequency_file)
def matches_word_groups(
self,
title: str,
word_groups: List[Dict],
filter_words: List[str],
global_filters: Optional[List[str]] = None,
) -> bool:
"""检查标题是否匹配词组规则"""
return matches_word_groups(title, word_groups, filter_words, global_filters)
# === 统计分析 ===
def count_frequency(
self,
results: Dict,
word_groups: List[Dict],
filter_words: List[str],
id_to_name: Dict,
title_info: Optional[Dict] = None,
new_titles: Optional[Dict] = None,
mode: str = "daily",
global_filters: Optional[List[str]] = None,
quiet: bool = False,
) -> Tuple[List[Dict], int]:
"""统计词频"""
return count_word_frequency(
results=results,
word_groups=word_groups,
filter_words=filter_words,
id_to_name=id_to_name,
title_info=title_info,
rank_threshold=self.rank_threshold,
new_titles=new_titles,
mode=mode,
global_filters=global_filters,
weight_config=self.weight_config,
max_news_per_keyword=self.config.get("MAX_NEWS_PER_KEYWORD", 0),
sort_by_position_first=self.config.get("SORT_BY_POSITION_FIRST", False),
is_first_crawl_func=self.is_first_crawl,
convert_time_func=self.convert_time_display,
quiet=quiet,
)
# === 报告生成 ===
def prepare_report(
self,
stats: List[Dict],
failed_ids: Optional[List] = None,
new_titles: Optional[Dict] = None,
id_to_name: Optional[Dict] = None,
mode: str = "daily",
) -> Dict:
"""准备报告数据"""
return prepare_report_data(
stats=stats,
failed_ids=failed_ids,
new_titles=new_titles,
id_to_name=id_to_name,
mode=mode,
rank_threshold=self.rank_threshold,
matches_word_groups_func=self.matches_word_groups,
load_frequency_words_func=self.load_frequency_words,
)
def generate_html(
self,
stats: List[Dict],
total_titles: int,
failed_ids: Optional[List] = None,
new_titles: Optional[Dict] = None,
id_to_name: Optional[Dict] = None,
mode: str = "daily",
is_daily_summary: bool = False,
update_info: Optional[Dict] = None,
) -> str:
"""生成HTML报告"""
return generate_html_report(
stats=stats,
total_titles=total_titles,
failed_ids=failed_ids,
new_titles=new_titles,
id_to_name=id_to_name,
mode=mode,
is_daily_summary=is_daily_summary,
update_info=update_info,
rank_threshold=self.rank_threshold,
output_dir="output",
date_folder=self.format_date(),
time_filename=self.format_time(),
render_html_func=lambda *args, **kwargs: self.render_html(*args, **kwargs),
matches_word_groups_func=self.matches_word_groups,
load_frequency_words_func=self.load_frequency_words,
enable_index_copy=True,
)
def render_html(
self,
report_data: Dict,
total_titles: int,
is_daily_summary: bool = False,
mode: str = "daily",
update_info: Optional[Dict] = None,
) -> str:
"""渲染HTML内容"""
return render_html_content(
report_data=report_data,
total_titles=total_titles,
is_daily_summary=is_daily_summary,
mode=mode,
update_info=update_info,
reverse_content_order=self.config.get("REVERSE_CONTENT_ORDER", False),
get_time_func=self.get_time,
)
# === 通知内容渲染 ===
def render_feishu(
self,
report_data: Dict,
update_info: Optional[Dict] = None,
mode: str = "daily",
) -> str:
"""渲染飞书内容"""
return render_feishu_content(
report_data=report_data,
update_info=update_info,
mode=mode,
separator=self.config.get("FEISHU_MESSAGE_SEPARATOR", "---"),
reverse_content_order=self.config.get("REVERSE_CONTENT_ORDER", False),
get_time_func=self.get_time,
)
def render_dingtalk(
self,
report_data: Dict,
update_info: Optional[Dict] = None,
mode: str = "daily",
) -> str:
"""渲染钉钉内容"""
return render_dingtalk_content(
report_data=report_data,
update_info=update_info,
mode=mode,
reverse_content_order=self.config.get("REVERSE_CONTENT_ORDER", False),
get_time_func=self.get_time,
)
def split_content(
self,
report_data: Dict,
format_type: str,
update_info: Optional[Dict] = None,
max_bytes: Optional[int] = None,
mode: str = "daily",
) -> List[str]:
"""分批处理消息内容"""
return split_content_into_batches(
report_data=report_data,
format_type=format_type,
update_info=update_info,
max_bytes=max_bytes,
mode=mode,
batch_sizes={
"dingtalk": self.config.get("DINGTALK_BATCH_SIZE", 20000),
"feishu": self.config.get("FEISHU_BATCH_SIZE", 29000),
"default": self.config.get("MESSAGE_BATCH_SIZE", 4000),
},
feishu_separator=self.config.get("FEISHU_MESSAGE_SEPARATOR", "---"),
reverse_content_order=self.config.get("REVERSE_CONTENT_ORDER", False),
get_time_func=self.get_time,
)
# === 通知发送 ===
def create_notification_dispatcher(self) -> NotificationDispatcher:
"""创建通知调度器"""
return NotificationDispatcher(
config=self.config,
get_time_func=self.get_time,
split_content_func=self.split_content,
)
def create_push_manager(self) -> PushRecordManager:
"""创建推送记录管理器"""
return PushRecordManager(
storage_backend=self.get_storage_manager(),
get_time_func=self.get_time,
)
# === 资源清理 ===
def cleanup(self):
"""清理资源"""
if self._storage_manager:
self._storage_manager.cleanup_old_data()
self._storage_manager.cleanup()
self._storage_manager = None