core/services/viewed.py

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import os
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from typing import Dict, List
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import logging
import time
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import json
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import asyncio
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from datetime import datetime, timedelta, timezone
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from os import environ
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# ga
from apiclient.discovery import build
from google.oauth2.service_account import Credentials
import pandas as pd
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from orm.author import Author
from orm.shout import Shout, ShoutAuthor, ShoutTopic
from orm.topic import Topic
from services.db import local_session
# Настройка журналирования
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logging.basicConfig(level=logging.DEBUG)
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logger = logging.getLogger("\t[services.viewed]\t")
logger.setLevel(logging.DEBUG)
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# Пути к ключевым файлам и идентификатор представления в Google Analytics
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GOOGLE_KEYFILE_PATH = os.environ.get("GOOGLE_KEYFILE_PATH", '/dump/google-service.json')
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GOOGLE_GA_VIEW_ID = os.environ.get("GOOGLE_GA_VIEW_ID", "")
gaBaseUrl = "https://analyticsreporting.googleapis.com/v4"
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# Функция для создания объекта службы Analytics Reporting API V4
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def get_service():
SCOPES = ['https://www.googleapis.com/auth/analytics.readonly']
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credentials = Credentials.from_service_account_file(GOOGLE_KEYFILE_PATH, scopes=SCOPES)
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service = build(serviceName='analyticsreporting', version='v4', credentials=credentials)
return service
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class ViewedStorage:
lock = asyncio.Lock()
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views_by_shout = {}
shouts_by_topic = {}
shouts_by_author = {}
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views = None
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period = 60 * 60 # каждый час
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analytics_client = None
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auth_result = None
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disabled = False
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date_range = ""
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@staticmethod
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async def init():
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"""Подключение к клиенту Google Analytics с использованием аутентификации"""
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self = ViewedStorage
async with self.lock:
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if os.path.exists(GOOGLE_KEYFILE_PATH):
self.analytics_client = get_service()
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logger.info(f" * Постоянная авторизация в Google Analytics {self.analytics_client}")
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# Загрузка предварительно подсчитанных просмотров из файла JSON
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self.load_precounted_views()
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# Установка диапазона дат на основе времени создания файла views.json
views_json_path = "/dump/views.json"
creation_time = datetime.fromtimestamp(os.path.getctime(views_json_path))
end_date = datetime.now(timezone.utc).strftime('%Y-%m-%d')
start_date = creation_time.strftime('%Y-%m-%d')
self.date_range = f'{start_date},{end_date}'
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views_stat_task = asyncio.create_task(self.worker())
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logger.info(views_stat_task)
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else:
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logger.info(" * Пожалуйста, добавьте ключевой файл Google Analytics")
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self.disabled = True
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@staticmethod
def load_precounted_views():
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"""Загрузка предварительно подсчитанных просмотров из файла JSON"""
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self = ViewedStorage
try:
with open("/dump/views.json", "r") as file:
precounted_views = json.load(file)
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self.views_by_shout.update(precounted_views)
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logger.info(f" * {len(precounted_views)} предварительно подсчитанных просмотров shouts успешно загружены.")
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except Exception as e:
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logger.error(f"Ошибка загрузки предварительно подсчитанных просмотров: {e}")
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@staticmethod
async def update_pages():
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"""Запрос всех страниц от Google Analytics, отсортированных по количеству просмотров"""
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self = ViewedStorage
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if not self.disabled and GOOGLE_GA_VIEW_ID:
logger.info(" ⎧ Обновление данных просмотров от Google Analytics ---")
try:
start = time.time()
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async with self.lock:
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if self.analytics_client:
data = self.analytics_client.reports().batchGet(body={
'reportRequests': [{
'viewId': GOOGLE_GA_VIEW_ID,
'dateRanges': self.date_range,
'metrics': [{'expression': 'ga:pageviews'}],
'dimensions': [{'name': 'ga:pagePath'}],
}]
}).execute()
if isinstance(data, dict):
slugs = set([])
reports = data.get('reports', [])
if reports and isinstance(reports, list):
rows = list(reports[0].get('data', {}).get('rows', []))
for row in rows:
# Извлечение путей страниц из ответа Google Analytics
if isinstance(row, dict):
dimensions = row.get('dimensions', [])
if isinstance(dimensions, list) and dimensions:
page_path = dimensions[0]
slug = page_path.split("discours.io/")[-1]
views_count = int(row['metrics'][0]['values'][0])
# Обновление данных в хранилище
self.views_by_shout[slug] = self.views_by_shout.get(slug, 0)
self.views_by_shout[slug] += views_count
self.update_topics(slug)
# Запись путей страниц для логирования
slugs.add(slug)
logger.info(f" ⎪ Собрано страниц: {len(slugs)} ")
end = time.time()
logger.info(" ⎪ Обновление страниц заняло %fs " % (end - start))
except Exception:
import traceback
traceback.print_exc()
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@staticmethod
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async def get_shout(shout_slug) -> int:
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"""Получение метрики просмотров shout по slug"""
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self = ViewedStorage
async with self.lock:
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return self.views_by_shout.get(shout_slug, 0)
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@staticmethod
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async def get_shout_media(shout_slug) -> Dict[str, int]:
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"""Получение метрики воспроизведения shout по slug"""
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self = ViewedStorage
async with self.lock:
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return self.views_by_shout.get(shout_slug, 0)
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@staticmethod
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async def get_topic(topic_slug) -> int:
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"""Получение суммарного значения просмотров темы"""
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self = ViewedStorage
topic_views = 0
async with self.lock:
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for shout_slug in self.shouts_by_topic.get(topic_slug, []):
topic_views += self.views_by_shout.get(shout_slug, 0)
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return topic_views
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@staticmethod
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async def get_author(author_slug) -> int:
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"""Получение суммарного значения просмотров автора"""
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self = ViewedStorage
author_views = 0
async with self.lock:
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for shout_slug in self.shouts_by_author.get(author_slug, []):
author_views += self.views_by_shout.get(shout_slug, 0)
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return author_views
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@staticmethod
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def update_topics(shout_slug):
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"""Обновление счетчиков темы по slug shout"""
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self = ViewedStorage
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with local_session() as session:
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# Определение вспомогательной функции для избежания повторения кода
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def update_groups(dictionary, key, value):
dictionary[key] = list(set(dictionary.get(key, []) + [value]))
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# Обновление тем и авторов с использованием вспомогательной функции
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for [_shout_topic, topic] in session.query(ShoutTopic, Topic).join(Topic).join(Shout).where(Shout.slug == shout_slug).all():
update_groups(self.shouts_by_topic, topic.slug, shout_slug)
for [_shout_topic, author] in session.query(ShoutAuthor, Author).join(Author).join(Shout).where(Shout.slug == shout_slug).all():
update_groups(self.shouts_by_author, author.slug, shout_slug)
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@staticmethod
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async def worker():
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"""Асинхронная задача обновления"""
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failed = 0
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self = ViewedStorage
if self.disabled:
return
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while True:
try:
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logger.info(" - Обновление записей...")
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await self.update_pages()
failed = 0
except Exception:
failed += 1
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logger.info(" - Обновление не удалось #%d, ожидание 10 секунд" % failed)
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if failed > 3:
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logger.info(" - Больше не пытаемся обновить")
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break
if failed == 0:
when = datetime.now(timezone.utc) + timedelta(seconds=self.period)
t = format(when.astimezone().isoformat())
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logger.info(" ⎩ Следующее обновление: %s" % (t.split("T")[0] + " " + t.split("T")[1].split(".")[0]))
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await asyncio.sleep(self.period)
else:
await asyncio.sleep(10)
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logger.info(" - Попытка снова обновить данные")