TopShouts -> ShoutsCache
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@@ -69,7 +69,7 @@ class GitTask:
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print("git task worker error = %s" % (err))
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class TopShouts:
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class ShoutsCache:
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limit = 50
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period = 60*60 #1 hour
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month_ago = datetime.now() - timedelta(days = 30)
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@@ -80,15 +80,15 @@ class TopShouts:
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with local_session() as session:
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stmt = select(Shout).\
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order_by(desc("createdAt")).\
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limit(TopShouts.limit)
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limit(ShoutsCache.limit)
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shouts = []
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for row in session.execute(stmt):
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shout = row.Shout
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shout.rating = await ShoutRatingStorage.get_rating(shout.id)
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shout.views = await ShoutViewStorage.get_view(shout.id)
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shouts.append(shout)
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async with TopShouts.lock:
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TopShouts.recent_shouts = shouts
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async with ShoutsCache.lock:
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ShoutsCache.recent_shouts = shouts
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@staticmethod
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@@ -98,15 +98,15 @@ class TopShouts:
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join(ShoutRating).\
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group_by(Shout.id).\
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order_by(desc("rating")).\
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limit(TopShouts.limit)
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limit(ShoutsCache.limit)
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shouts = []
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for row in session.execute(stmt):
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shout = row.Shout
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shout.rating = row.rating
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shout.views = await ShoutViewStorage.get_view(shout.id)
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shouts.append(shout)
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async with TopShouts.lock:
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TopShouts.top_overall = shouts
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async with ShoutsCache.lock:
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ShoutsCache.top_overall = shouts
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@staticmethod
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async def prepare_top_month():
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@@ -116,57 +116,57 @@ class TopShouts:
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stmt = select(Shout, func.sum(ShoutRating.value).label("rating")).\
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join(ShoutRating).\
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join(ShoutViewByDay).\
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where(ShoutViewByDay.day > TopShouts.month_ago).\
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where(ShoutViewByDay.day > ShoutsCache.month_ago).\
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group_by(Shout.id).\
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order_by(desc("rating")).\
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limit(TopShouts.limit)
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limit(ShoutsCache.limit)
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shouts = []
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for row in session.execute(stmt):
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shout = row.Shout
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shout.rating = row.rating
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shout.views = await ShoutViewStorage.get_view(shout.id)
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shouts.append(shout)
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async with TopShouts.lock:
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TopShouts.top_month = shouts
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async with ShoutsCache.lock:
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ShoutsCache.top_month = shouts
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@staticmethod
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async def prepare_top_viewed():
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with local_session() as session:
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stmt = select(Shout, func.sum(ShoutViewByDay.value).label("view")).\
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join(ShoutViewByDay).\
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where(ShoutViewByDay.day > TopShouts.month_ago).\
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where(ShoutViewByDay.day > ShoutsCache.month_ago).\
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group_by(Shout.id).\
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order_by(desc("view")).\
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limit(TopShouts.limit)
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limit(ShoutsCache.limit)
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shouts = []
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for row in session.execute(stmt):
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shout = row.Shout
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shout.rating = await ShoutRatingStorage.get_rating(shout.id)
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shout.view = row.view
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shouts.append(shout)
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async with TopShouts.lock:
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TopShouts.top_viewed = shouts
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async with ShoutsCache.lock:
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ShoutsCache.top_viewed = shouts
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@staticmethod
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async def prepare_top_authors():
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with local_session() as session:
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shout_with_view = select(Shout.id, func.sum(ShoutViewByDay.value).label("view")).\
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join(ShoutViewByDay).\
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where(ShoutViewByDay.day > TopShouts.month_ago).\
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where(ShoutViewByDay.day > ShoutsCache.month_ago).\
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group_by(Shout.id).\
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order_by(desc("view")).cte()
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stmt = select(ShoutAuthor.user, func.sum(shout_with_view.c.view).label("view")).\
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join(shout_with_view, ShoutAuthor.shout == shout_with_view.c.id).\
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group_by(ShoutAuthor.user).\
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order_by(desc("view")).\
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limit(TopShouts.limit)
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limit(ShoutsCache.limit)
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authors = {}
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for row in session.execute(stmt):
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authors[row.user] = row.view
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authors_ids = authors.keys()
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authors = session.query(User).filter(User.id.in_(authors_ids)).all()
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async with TopShouts.lock:
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TopShouts.top_authors = authors
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async with ShoutsCache.lock:
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ShoutsCache.top_authors = authors
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@staticmethod
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@@ -175,42 +175,42 @@ class TopShouts:
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while True:
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try:
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print("shouts cache updating...")
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await TopShouts.prepare_top_month()
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await TopShouts.prepare_top_overall()
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await TopShouts.prepare_top_viewed()
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await TopShouts.prepare_recent_shouts()
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await TopShouts.prepare_top_authors()
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await ShoutsCache.prepare_top_month()
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await ShoutsCache.prepare_top_overall()
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await ShoutsCache.prepare_top_viewed()
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await ShoutsCache.prepare_recent_shouts()
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await ShoutsCache.prepare_top_authors()
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print("shouts cache update finished")
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except Exception as err:
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print("shouts cache worker error = %s" % (err))
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await asyncio.sleep(TopShouts.period)
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await asyncio.sleep(ShoutsCache.period)
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@query.field("topViewed")
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async def top_viewed(_, info, limit):
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async with TopShouts.lock:
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return TopShouts.top_viewed[:limit]
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async with ShoutsCache.lock:
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return ShoutsCache.top_viewed[:limit]
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@query.field("topMonth")
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async def top_month(_, info, limit):
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async with TopShouts.lock:
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return TopShouts.top_month[:limit]
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async with ShoutsCache.lock:
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return ShoutsCache.top_month[:limit]
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@query.field("topOverall")
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async def top_overall(_, info, limit):
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async with TopShouts.lock:
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return TopShouts.top_overall[:limit]
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async with ShoutsCache.lock:
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return ShoutsCache.top_overall[:limit]
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@query.field("recents")
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async def recent_shouts(_, info, limit):
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async with TopShouts.lock:
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return TopShouts.recent_shouts[:limit]
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async with ShoutsCache.lock:
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return ShoutsCache.recent_shouts[:limit]
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@query.field("topAuthors")
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async def top_authors(_, info, limit):
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async with TopShouts.lock:
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return TopShouts.top_authors[:limit]
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async with ShoutsCache.lock:
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return ShoutsCache.top_authors[:limit]
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@mutation.field("createShout")
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