import asyncio import json import os import time from datetime import datetime, timedelta, timezone from typing import Dict # ga from google.analytics.data_v1beta import BetaAnalyticsDataClient from google.analytics.data_v1beta.types import ( DateRange, Dimension, Metric, RunReportRequest, ) from orm.author import Author from orm.shout import Shout, ShoutAuthor, ShoutTopic from orm.topic import Topic from services.db import local_session from utils.logger import root_logger as logger GOOGLE_KEYFILE_PATH = os.environ.get("GOOGLE_KEYFILE_PATH", "/dump/google-service.json") GOOGLE_PROPERTY_ID = os.environ.get("GOOGLE_PROPERTY_ID", "") VIEWS_FILEPATH = "/dump/views.json" class ViewedStorage: lock = asyncio.Lock() views_by_shout = {} shouts_by_topic = {} shouts_by_author = {} views = None period = 60 * 60 # каждый час analytics_client: BetaAnalyticsDataClient | None = None auth_result = None disabled = False start_date = datetime.now().strftime("%Y-%m-%d") @staticmethod async def init(): """Подключение к клиенту Google Analytics с использованием аутентификации""" self = ViewedStorage async with self.lock: # Загрузка предварительно подсчитанных просмотров из файла JSON self.load_precounted_views() os.environ.setdefault("GOOGLE_APPLICATION_CREDENTIALS", GOOGLE_KEYFILE_PATH) if GOOGLE_KEYFILE_PATH and os.path.isfile(GOOGLE_KEYFILE_PATH): # Using a default constructor instructs the client to use the credentials # specified in GOOGLE_APPLICATION_CREDENTIALS environment variable. self.analytics_client = BetaAnalyticsDataClient() logger.info(" * Клиент Google Analytics успешно авторизован") # Запуск фоновой задачи _task = asyncio.create_task(self.worker()) else: logger.warning(" * please, add Google Analytics credentials file") self.disabled = True @staticmethod def load_precounted_views(): """Загрузка предварительно подсчитанных просмотров из файла JSON""" self = ViewedStorage viewfile_path = VIEWS_FILEPATH if not os.path.exists(viewfile_path): viewfile_path = os.path.join(os.path.curdir, "views.json") if not os.path.exists(viewfile_path): logger.warning(" * views.json not found") return logger.info(f" * loading views from {viewfile_path}") try: start_date_int = os.path.getmtime(viewfile_path) start_date_str = datetime.fromtimestamp(start_date_int).strftime("%Y-%m-%d") self.start_date = start_date_str now_date = datetime.now().strftime("%Y-%m-%d") if now_date == self.start_date: logger.info(" * views data is up to date!") else: logger.warn(f" * {viewfile_path} is too old: {self.start_date}") with open(viewfile_path, "r") as file: precounted_views = json.load(file) self.views_by_shout.update(precounted_views) logger.info(f" * {len(precounted_views)} shouts with views was loaded.") except Exception as e: logger.error(f"precounted views loading error: {e}") # noinspection PyTypeChecker @staticmethod async def update_pages(): """Запрос всех страниц от Google Analytics, отсортированных по количеству просмотров""" self = ViewedStorage logger.info(" ⎧ views update from Google Analytics ---") if not self.disabled: try: start = time.time() async with self.lock: if self.analytics_client: request = RunReportRequest( property=f"properties/{GOOGLE_PROPERTY_ID}", dimensions=[Dimension(name="pagePath")], metrics=[Metric(name="screenPageViews")], date_ranges=[DateRange(start_date=self.start_date, end_date="today")], ) response = self.analytics_client.run_report(request) if response and isinstance(response.rows, list): slugs = set() for row in response.rows: print( row.dimension_values[0].value, row.metric_values[0].value, ) # Извлечение путей страниц из ответа Google Analytics if isinstance(row.dimension_values, list): page_path = row.dimension_values[0].value slug = page_path.split("discours.io/")[-1] views_count = int(row.metric_values[0].value) # 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" ⎪ collected pages: {len(slugs)} ") end = time.time() logger.info(" ⎪ views update time: %fs " % (end - start)) except Exception as error: logger.error(error) self.disabled = True @staticmethod def get_shout(shout_slug) -> int: """Получение метрики просмотров shout по slug.""" self = ViewedStorage return self.views_by_shout.get(shout_slug, 0) @staticmethod def get_shout_media(shout_slug) -> Dict[str, int]: """Получение метрики воспроизведения shout по slug.""" self = ViewedStorage return self.views_by_shout.get(shout_slug, 0) @staticmethod def get_topic(topic_slug) -> int: """Получение суммарного значения просмотров темы.""" self = ViewedStorage return sum(self.views_by_shout.get(shout_slug, 0) for shout_slug in self.shouts_by_topic.get(topic_slug, [])) @staticmethod def get_author(author_slug) -> int: """Получение суммарного значения просмотров автора.""" self = ViewedStorage return sum(self.views_by_shout.get(shout_slug, 0) for shout_slug in self.shouts_by_author.get(author_slug, [])) @staticmethod def update_topics(shout_slug): """Обновление счетчиков темы по slug shout""" self = ViewedStorage with local_session() as session: # Определение вспомогательной функции для избежания повторения кода def update_groups(dictionary, key, value): dictionary[key] = list(set(dictionary.get(key, []) + [value])) # Обновление тем и авторов с использованием вспомогательной функции 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) @staticmethod async def worker(): """Асинхронная задача обновления""" failed = 0 self = ViewedStorage if self.disabled: return while True: try: await self.update_pages() failed = 0 except Exception as exc: failed += 1 logger.debug(exc) logger.info(" - update failed #%d, wait 10 secs" % failed) if failed > 3: logger.info(" - views update failed, not trying anymore") break if failed == 0: when = datetime.now(timezone.utc) + timedelta(seconds=self.period) t = format(when.astimezone().isoformat()) logger.info(" ⎩ next update: %s" % (t.split("T")[0] + " " + t.split("T")[1].split(".")[0])) await asyncio.sleep(self.period) else: await asyncio.sleep(10) logger.info(" - try to update views again")