proposals and refactoring

This commit is contained in:
2022-06-19 20:54:39 +03:00
parent 30c51ecac1
commit 11f81d46ce
9 changed files with 545 additions and 370 deletions

View File

@@ -1,42 +1,74 @@
from resolvers.auth import login, sign_out, is_email_used, register, confirm
from resolvers.zine import create_shout, get_shout_by_slug, \
top_month, top_overall, recent_published, recent_all, top_viewed, \
shouts_by_authors, shouts_by_topics, shouts_by_communities, \
shouts_reviewed, shouts_subscribed
from resolvers.profile import get_users_by_slugs, get_current_user
from resolvers.auth import login, sign_out, is_email_used, register, confirm, auth_forget, auth_reset
from resolvers.zine import get_shout_by_slug, subscribe, unsubscribe, view_shout, rate_shout, \
top_month, top_overall, recent_published, recent_all, top_viewed, \
shouts_by_authors, shouts_by_topics, shouts_by_communities
from resolvers.profile import get_users_by_slugs, get_current_user, shouts_reviewed, shouts_subscribed
from resolvers.topics import topic_subscribe, topic_unsubscribe, topics_by_author, \
topics_by_community, topics_by_slugs
from resolvers.comments import create_comment
topics_by_community, topics_by_slugs
from resolvers.comments import create_comment, delete_comment, update_comment, rate_comment
from resolvers.collab import get_shout_proposals, create_proposal, delete_proposal, \
update_proposal, rate_proposal, decline_proposal, disable_proposal, accept_proposal
from resolvers.editor import create_shout, delete_shout, update_shout
from resolvers.community import create_community, delete_community, get_community, get_communities
__all__ = [
"login",
"register",
"is_email_used",
"confirm",
# TODO: "reset_password_code",
# TODO: "reset_password_confirm",
"create_shout",
"get_current_user",
"get_users_by_slugs",
"get_shout_by_slug",
"recent_published",
"recent_all",
"shouts_by_topics",
"shouts_by_authors",
"shouts_by_communities",
"shouts_subscribed",
"shouts_reviewed",
"top_month",
"top_overall",
"top_viewed",
"topics_by_slugs",
"topics_by_community",
"topics_by_author",
"topic_subscribe",
"topic_unsubscribe",
"create_community",
"delete_community",
"get_community",
"get_communities"
]
# auth
"login",
"register",
"is_email_used",
"confirm",
"auth_forget",
"auth_reset"
# profile
"get_current_user",
"get_users_by_slugs",
# zine
"recent_published",
"recent_all",
"shouts_by_topics",
"shouts_by_authors",
"shouts_by_communities",
"shouts_subscribed",
"shouts_reviewed",
"top_month",
"top_overall",
"top_viewed",
"rate_shout",
"view_shout",
"get_shout_by_slug",
# editor
"create_shout",
"update_shout",
"delete_shout",
# topics
"topics_by_slugs",
"topics_by_community",
"topics_by_author",
"topic_subscribe",
"topic_unsubscribe",
# communities
"get_community",
"get_communities",
"create_community",
"delete_community",
# comments
"get_shout_comments",
"create_comment",
"update_comment",
"delete_comment",
# collab
"get_shout_proposals",
"create_proposal",
"update_proposal",
"disable_proposal",
"accept_proposal",
"decline_proposal",
"delete_proposal"
]

View File

@@ -18,6 +18,7 @@ from settings import JWT_AUTH_HEADER
@mutation.field("confirmEmail")
async def confirm(*_, confirm_token):
''' confirm owning email address '''
auth_token, user = await Authorize.confirm(confirm_token)
if auth_token:
user.emailConfirmed = True
@@ -29,6 +30,7 @@ async def confirm(*_, confirm_token):
@mutation.field("registerUser")
async def register(*_, email: str, password: str = ""):
''' creates new user account '''
with local_session() as session:
user = session.query(User).filter(User.email == email).first()
if user:
@@ -51,7 +53,8 @@ async def register(*_, email: str, password: str = ""):
return { "user": user }
@mutation.field("requestPasswordUpdate")
async def request_password_update(_, info, email):
async def auth_forget(_, info, email):
''' send email to recover account '''
with local_session() as session:
user = session.query(User).filter(User.email == email).first()
if not user:
@@ -62,9 +65,10 @@ async def request_password_update(_, info, email):
return {}
@mutation.field("updatePassword")
async def update_password(_, info, password, token):
async def auth_reset(_, info, password, resetToken):
''' set the new password '''
try:
user_id = await ResetPassword.verify(token)
user_id = await ResetPassword.verify(resetToken)
except InvalidToken as e:
return {"error" : e.message}
@@ -79,6 +83,7 @@ async def update_password(_, info, password, token):
@query.field("signIn")
async def login(_, info: GraphQLResolveInfo, email: str, password: str = ""):
with local_session() as session:
orm_user = session.query(User).filter(User.email == email).first()
if orm_user is None:
@@ -126,4 +131,4 @@ async def sign_out(_, info: GraphQLResolveInfo):
async def is_email_used(_, info, email):
with local_session() as session:
user = session.query(User).filter(User.email == email).first()
return not user is None
return not user is None

191
resolvers/collab.py Normal file
View File

@@ -0,0 +1,191 @@
from orm import Proposal, ProposalRating, UserStorage
from orm.base import local_session
from resolvers.base import mutation, query, subscription
from auth.authenticate import login_required
import asyncio
from datetime import datetime
class ProposalResult:
def __init__(self, status, proposal):
self.status = status
self.proposal = proposal
@query.field("getShoutProposals")
@login_required
async def get_shout_proposals(_, info, slug):
auth = info.context["request"].auth
user_id = auth.user_id
with local_session() as session:
proposals = session.query(Proposal).\
options(selectinload(Proposal.ratings)).\
filter(Proposal.shout == slug).\
group_by(Proposal.id).all()
shout = session.query(Shout).filter(Shout.slug == slug).first()
authors = [author.id for author in shout.authors]
if user_id not in authors:
return {"error": "access denied"}
for proposal in proposals:
proposal.createdBy = await UserStorage.get_user(proposal.createdBy)
return proposals
@mutation.field("createProposal")
@login_required
async def create_proposal(_, info, body, shout, range = None):
auth = info.context["request"].auth
user_id = auth.user_id
proposal = Proposal.create(
createdBy = user_id,
body = body,
shout = shout,
range = range
)
result = ProposalResult("NEW", proposal)
await ProposalSubscriptions.put(result)
return {"proposal": proposal}
@mutation.field("updateProposal")
@login_required
async def update_proposal(_, info, id, body):
auth = info.context["request"].auth
user_id = auth.user_id
with local_session() as session:
proposal = session.query(Proposal).filter(Proposal.id == id).first()
shout = session.query(Shout).filter(Shout.sllug == proposal.shout).first()
authors = [author.id for author in shout.authors]
if not proposal:
return {"error": "invalid proposal id"}
if proposal.author in authors:
return {"error": "access denied"}
proposal.body = body
proposal.updatedAt = datetime.now()
session.commit()
result = ProposalResult("UPDATED", proposal)
await ProposalSubscriptions.put(result)
return {"proposal": proposal}
@mutation.field("deleteProposal")
@login_required
async def delete_proposal(_, info, id):
auth = info.context["request"].auth
user_id = auth.user_id
with local_session() as session:
proposal = session.query(Proposal).filter(Proposal.id == id).first()
if not proposal:
return {"error": "invalid proposal id"}
if proposal.createdBy != user_id:
return {"error": "access denied"}
proposal.deletedAt = datetime.now()
session.commit()
result = ProposalResult("DELETED", proposal)
await ProposalSubscriptions.put(result)
return {}
@mutation.field("disableProposal")
@login_required
async def disable_proposal(_, info, id):
auth = info.context["request"].auth
user_id = auth.user_id
with local_session() as session:
proposal = session.query(Proposal).filter(Proposal.id == id).first()
if not proposal:
return {"error": "invalid proposal id"}
if proposal.createdBy != user_id:
return {"error": "access denied"}
proposal.deletedAt = datetime.now()
session.commit()
result = ProposalResult("DISABLED", proposal)
await ProposalSubscriptions.put(result)
return {}
@mutation.field("rateProposal")
@login_required
async def rate_proposal(_, info, id, value):
auth = info.context["request"].auth
user_id = auth.user_id
with local_session() as session:
proposal = session.query(Proposal).filter(Proposal.id == id).first()
if not proposal:
return {"error": "invalid proposal id"}
rating = session.query(ProposalRating).\
filter(ProposalRating.proposal_id == id and ProposalRating.createdBy == user_id).first()
if rating:
rating.value = value
session.commit()
if not rating:
ProposalRating.create(
proposal_id = id,
createdBy = user_id,
value = value)
result = ProposalResult("UPDATED_RATING", proposal)
await ProposalSubscriptions.put(result)
return {}
@mutation.field("acceptProposal")
@login_required
async def accept_proposal(_, info, id):
auth = info.context["request"].auth
user_id = auth.user_id
with local_session() as session:
proposal = session.query(Proposal).filter(Proposal.id == id).first()
shout = session.query(Shout).filter(Shout.slug == proposal.shout).first()
authors = [author.id for author in shout.authors]
if not proposal:
return {"error": "invalid proposal id"}
if user_id not in authors:
return {"error": "access denied"}
proposal.acceptedAt = datetime.now()
proposal.acceptedBy = user_id
session.commit()
result = ProposalResult("ACCEPTED", proposal)
await ProposalSubscriptions.put(result)
return {}
@mutation.field("declineProposal")
@login_required
async def decline_proposal(_, info, id):
auth = info.context["request"].auth
user_id = auth.user_id
with local_session() as session:
proposal = session.query(Proposal).filter(Proposal.id == id).first()
shout = session.query(Shout).filter(Shout.slug == proposal.shout).first()
authors = [author.id for author in shout.authors]
if not proposal:
return {"error": "invalid proposal id"}
if user_id not in authors:
return {"error": "access denied"}
proposal.acceptedAt = datetime.now()
proposal.acceptedBy = user_id
session.commit()
result = ProposalResult("DECLINED", proposal)
await ProposalSubscriptions.put(result)
return {}

View File

@@ -1,123 +1,109 @@
from orm import Proposal, ProposalRating
from orm import Shout, ShoutRating, ShoutRatingStorage
from orm.base import local_session
from resolvers.base import mutation, query, subscription
from auth.authenticate import login_required
import asyncio
from datetime import datetime
class ProposalResult:
def __init__(self, status, proposal):
self.status = status
self.proposal = proposal
@mutation.field("createProposal")
@mutation.field("createShout")
@login_required
async def create_proposal(_, info, body, shout, range = None):
async def create_shout(_, info, input):
user = info.context["request"].user
topic_slugs = input.get("topic_slugs", [])
if topic_slugs:
del input["topic_slugs"]
new_shout = Shout.create(**input)
ShoutAuthor.create(
shout = new_shout.slug,
user = user.slug)
if "mainTopic" in input:
topic_slugs.append(input["mainTopic"])
for slug in topic_slugs:
topic = ShoutTopic.create(
shout = new_shout.slug,
topic = slug)
new_shout.topic_slugs = topic_slugs
task = GitTask(
input,
user.username,
user.email,
"new shout %s" % (new_shout.slug)
)
await ShoutSubscriptions.send_shout(new_shout)
return {
"shout" : new_shout
}
@mutation.field("updateShout")
@login_required
async def update_shout(_, info, input):
auth = info.context["request"].auth
user_id = auth.user_id
proposal = Proposal.create(
createdBy = user_id,
body = body,
shout = shout,
range = range
slug = input["slug"]
session = local_session()
user = session.query(User).filter(User.id == user_id).first()
shout = session.query(Shout).filter(Shout.slug == slug).first()
if not shout:
return {
"error" : "shout not found"
}
authors = [author.id for author in shout.authors]
if not user_id in authors:
scopes = auth.scopes
print(scopes)
if not Resource.shout_id in scopes:
return {
"error" : "access denied"
}
shout.update(input)
shout.updatedAt = datetime.now()
session.commit()
session.close()
for topic in input.get("topic_slugs", []):
ShoutTopic.create(
shout = slug,
topic = topic)
task = GitTask(
input,
user.username,
user.email,
"update shout %s" % (slug)
)
result = ProposalResult("NEW", proposal)
await ProposalSubscriptions.put(result)
return {
"shout" : shout
}
return {"proposal": proposal}
@mutation.field("updateProposal")
@mutation.field("deleteShout")
@login_required
async def update_proposal(_, info, id, body):
async def delete_shout(_, info, slug):
auth = info.context["request"].auth
user_id = auth.user_id
with local_session() as session:
proposal = session.query(Proposal).filter(Proposal.id == id).first()
shout = session.query(Shout.slug === proposal.shout)
if not proposal:
return {"error": "invalid proposal id"}
if proposal.author != user_id:
return {"error": "access denied"}
proposal.body = body
proposal.updatedAt = datetime.now()
session.commit()
result = ProposalResult("UPDATED", proposal)
await ProposalSubscriptions.put(result)
return {"proposal": proposal}
@mutation.field("deleteProposal")
@login_required
async def delete_proposal(_, info, id):
auth = info.context["request"].auth
user_id = auth.user_id
with local_session() as session:
proposal = session.query(Proposal).filter(Proposal.id == id).first()
if not proposal:
return {"error": "invalid proposal id"}
if proposal.createdBy != user_id:
shout = session.query(Shout).filter(Shout.slug == slug).first()
authors = [author.id for author in shout.authors]
if not comment:
return {"error": "invalid shout slug"}
if user_id not in authors:
return {"error": "access denied"}
proposal.deletedAt = datetime.now()
shout.deletedAt = datetime.now()
session.commit()
result = ProposalResult("DELETED", proposal)
await ProposalSubscriptions.put(result)
return {}
@mutation.field("rateProposal")
@login_required
async def rate_proposal(_, info, id, value):
auth = info.context["request"].auth
user_id = auth.user_id
with local_session() as session:
proposal = session.query(Proposal).filter(Proposal.id == id).first()
if not proposal:
return {"error": "invalid proposal id"}
rating = session.query(ProposalRating).\
filter(ProposalRating.proposal_id == id and ProposalRating.createdBy == user_id).first()
if rating:
rating.value = value
session.commit()
if not rating:
ProposalRating.create(
proposal_id = id,
createdBy = user_id,
value = value)
result = ProposalResult("UPDATED_RATING", proposal)
await ProposalSubscriptions.put(result)
return {}
@mutation.field("acceptProposal")
@login_required
async def accept_proposal(_, info, id):
auth = info.context["request"].auth
user_id = auth.user_id
with local_session() as session:
proposal = session.query(Proposal).filter(Proposal.id == id).first()
if not proposal:
return {"error": "invalid proposal id"}
if proposal.acceptedBy == user_id: # TODO: manage ACL here to give access all editors
return {"error": "access denied"}
proposal.acceptedAt = datetime.now()
proposal.acceptedBy = user_id
session.commit()
result = ProposalResult("ACCEPTED", proposal)
await ProposalSubscriptions.put(result)
return {}
return {}

View File

@@ -153,36 +153,95 @@ def author_unsubscribe(user, slug):
session.delete(sub)
session.commit()
@mutation.field("subscribe")
@query.field("shoutsRatedByUser")
@login_required
async def subscribe(_, info, subscription, slug):
async def shouts_rated_by_user(_, info, page, size):
user = info.context["request"].user
try:
if subscription == "AUTHOR":
author_subscribe(user, slug)
elif subscription == "TOPIC":
topic_subscribe(user, slug)
elif subscription == "COMMUNITY":
community_subscribe(user, slug)
except Exception as e:
return {"error" : e}
with local_session() as session:
shouts = session.query(Shout).\
join(ShoutRating).\
where(ShoutRating.rater == user.slug).\
order_by(desc(ShoutRating.ts)).\
limit(size).\
offset( (page - 1) * size)
return {}
return {
"shouts" : shouts
}
@mutation.field("unsubscribe")
@query.field("userUnpublishedShouts")
@login_required
async def unsubscribe(_, info, subscription, slug):
async def user_unpublished_shouts(_, info, page, size):
user = info.context["request"].user
try:
if subscription == "AUTHOR":
author_unsubscribe(user, slug)
elif subscription == "TOPIC":
topic_unsubscribe(user, slug)
elif subscription == "COMMUNITY":
community_unsubscribe(user, slug)
except Exception as e:
return {"error" : e}
with local_session() as session:
shouts = session.query(Shout).\
join(ShoutAuthor).\
where(and_(Shout.publishedAt == None, ShoutAuthor.user == user.slug)).\
order_by(desc(Shout.createdAt)).\
limit(size).\
offset( (page - 1) * size)
return {
"shouts" : shouts
}
@query.field("shoutsReviewed")
@login_required
async def shouts_reviewed(_, info, page, size):
user = info.context["request"].user
with local_session() as session:
shouts_by_rating = session.query(Shout).\
join(ShoutRating).\
where(and_(Shout.publishedAt != None, ShoutRating.rater == user.slug))
shouts_by_comment = session.query(Shout).\
join(Comment).\
where(and_(Shout.publishedAt != None, Comment.author == user.id))
shouts = shouts_by_rating.union(shouts_by_comment).\
order_by(desc(Shout.publishedAt)).\
limit(size).\
offset( (page - 1) * size)
return shouts
@query.field("shoutsSubscribed")
@login_required
async def shouts_subscribed(_, info, page, size):
user = info.context["request"].user
with local_session() as session:
shouts_by_topic = session.query(Shout).\
join(ShoutTopic).\
join(TopicSubscription, ShoutTopic.topic == TopicSubscription.topic).\
where(TopicSubscription.subscriber == user.slug)
shouts_by_author = session.query(Shout).\
join(ShoutAuthor).\
join(AuthorSubscription, ShoutAuthor.user == AuthorSubscription.author).\
where(AuthorSubscription.subscriber == user.slug)
shouts_by_community = session.query(Shout).\
join(Community).\
join(CommunitySubscription).\
where(CommunitySubscription.subscriber == user.slug)
shouts = shouts_by_topic.union(shouts_by_author).\
union(shouts_by_community).\
order_by(desc(Shout.createdAt)).\
limit(size).\
offset( (page - 1) * size)
return shouts
@query.field("shoutsCommentedByUser")
async def shouts_commented_by_user(_, info, slug, page, size):
user = await UserStorage.get_user_by_slug(slug)
if not user:
return {}
with local_session() as session:
shouts = session.query(Shout).\
join(Comment).\
where(Comment.author == user.id).\
order_by(desc(Comment.createdAt)).\
limit(size).\
offset( (page - 1) * size)
return shouts
return {}

View File

@@ -257,113 +257,6 @@ async def recent_commented(_, info, page, size):
async with ShoutsCache.lock:
return ShoutsCache.recent_commented[(page - 1) * size : page * size]
@mutation.field("createShout")
@login_required
async def create_shout(_, info, input):
user = info.context["request"].user
topic_slugs = input.get("topic_slugs", [])
if topic_slugs:
del input["topic_slugs"]
new_shout = Shout.create(**input)
ShoutAuthor.create(
shout = new_shout.slug,
user = user.slug)
if "mainTopic" in input:
topic_slugs.append(input["mainTopic"])
for slug in topic_slugs:
topic = ShoutTopic.create(
shout = new_shout.slug,
topic = slug)
new_shout.topic_slugs = topic_slugs
task = GitTask(
input,
user.username,
user.email,
"new shout %s" % (new_shout.slug)
)
await ShoutSubscriptions.send_shout(new_shout)
return {
"shout" : new_shout
}
@mutation.field("updateShout")
@login_required
async def update_shout(_, info, input):
auth = info.context["request"].auth
user_id = auth.user_id
slug = input["slug"]
session = local_session()
user = session.query(User).filter(User.id == user_id).first()
shout = session.query(Shout).filter(Shout.slug == slug).first()
if not shout:
return {
"error" : "shout not found"
}
authors = [author.id for author in shout.authors]
if not user_id in authors:
scopes = auth.scopes
print(scopes)
if not Resource.shout_id in scopes:
return {
"error" : "access denied"
}
shout.update(input)
shout.updatedAt = datetime.now()
session.commit()
session.close()
for topic in input.get("topic_slugs", []):
ShoutTopic.create(
shout = slug,
topic = topic)
task = GitTask(
input,
user.username,
user.email,
"update shout %s" % (slug)
)
return {
"shout" : shout
}
@mutation.field("rateShout")
@login_required
async def rate_shout(_, info, slug, value):
auth = info.context["request"].auth
user = info.context["request"].user
with local_session() as session:
rating = session.query(ShoutRating).\
filter(and_(ShoutRating.rater == user.slug, ShoutRating.shout == slug)).first()
if rating:
rating.value = value;
rating.ts = datetime.now()
session.commit()
else:
rating = ShoutRating.create(
rater = user.slug,
shout = slug,
value = value
)
await ShoutRatingStorage.update_rating(rating)
return {"error" : ""}
@mutation.field("viewShout")
async def view_shout(_, info, slug):
await ShoutViewStorage.inc_view(slug)
@@ -439,94 +332,61 @@ async def shouts_by_communities(_, info, slugs, page, size):
offset(page * size)
return shouts
@query.field("shoutsSubscribed")
@mutation.field("subscribe")
@login_required
async def shouts_subscribed(_, info, page, size):
async def subscribe(_, info, subscription, slug):
user = info.context["request"].user
with local_session() as session:
shouts_by_topic = session.query(Shout).\
join(ShoutTopic).\
join(TopicSubscription, ShoutTopic.topic == TopicSubscription.topic).\
where(TopicSubscription.subscriber == user.slug)
shouts_by_author = session.query(Shout).\
join(ShoutAuthor).\
join(AuthorSubscription, ShoutAuthor.user == AuthorSubscription.author).\
where(AuthorSubscription.subscriber == user.slug)
shouts_by_community = session.query(Shout).\
join(Community).\
join(CommunitySubscription).\
where(CommunitySubscription.subscriber == user.slug)
shouts = shouts_by_topic.union(shouts_by_author).\
union(shouts_by_community).\
order_by(desc(Shout.createdAt)).\
limit(size).\
offset( (page - 1) * size)
return shouts
try:
if subscription == "AUTHOR":
author_subscribe(user, slug)
elif subscription == "TOPIC":
topic_subscribe(user, slug)
elif subscription == "COMMUNITY":
community_subscribe(user, slug)
except Exception as e:
return {"error" : e}
@query.field("shoutsReviewed")
return {}
@mutation.field("unsubscribe")
@login_required
async def shouts_reviewed(_, info, page, size):
async def unsubscribe(_, info, subscription, slug):
user = info.context["request"].user
with local_session() as session:
shouts_by_rating = session.query(Shout).\
join(ShoutRating).\
where(and_(Shout.publishedAt != None, ShoutRating.rater == user.slug))
shouts_by_comment = session.query(Shout).\
join(Comment).\
where(and_(Shout.publishedAt != None, Comment.author == user.id))
shouts = shouts_by_rating.union(shouts_by_comment).\
order_by(desc(Shout.publishedAt)).\
limit(size).\
offset( (page - 1) * size)
return shouts
try:
if subscription == "AUTHOR":
author_unsubscribe(user, slug)
elif subscription == "TOPIC":
topic_unsubscribe(user, slug)
elif subscription == "COMMUNITY":
community_unsubscribe(user, slug)
except Exception as e:
return {"error" : e}
@query.field("shoutsCommentedByUser")
async def shouts_commented_by_user(_, info, slug, page, size):
user = await UserStorage.get_user_by_slug(slug)
if not user:
return {}
return {}
with local_session() as session:
shouts = session.query(Shout).\
join(Comment).\
where(Comment.author == user.id).\
order_by(desc(Comment.createdAt)).\
limit(size).\
offset( (page - 1) * size)
return shouts
@query.field("shoutsRatedByUser")
@mutation.field("rateShout")
@login_required
async def shouts_rated_by_user(_, info, page, size):
async def rate_shout(_, info, slug, value):
auth = info.context["request"].auth
user = info.context["request"].user
with local_session() as session:
shouts = session.query(Shout).\
join(ShoutRating).\
where(ShoutRating.rater == user.slug).\
order_by(desc(ShoutRating.ts)).\
limit(size).\
offset( (page - 1) * size)
rating = session.query(ShoutRating).\
filter(and_(ShoutRating.rater == user.slug, ShoutRating.shout == slug)).first()
if rating:
rating.value = value;
rating.ts = datetime.now()
session.commit()
else:
rating = ShoutRating.create(
rater = user.slug,
shout = slug,
value = value
)
return {
"shouts" : shouts
}
await ShoutRatingStorage.update_rating(rating)
@query.field("userUnpublishedShouts")
@login_required
async def user_unpublished_shouts(_, info, page, size):
user = info.context["request"].user
with local_session() as session:
shouts = session.query(Shout).\
join(ShoutAuthor).\
where(and_(Shout.publishedAt == None, ShoutAuthor.user == user.slug)).\
order_by(desc(Shout.createdAt)).\
limit(size).\
offset( (page - 1) * size)
return {
"shouts" : shouts
}
return {"error" : ""}