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Reimplements API methods using ORM

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This commit is contained in:
Oleg Silkin 2020-03-31 13:55:44 -04:00
parent e0b6d16c89
commit 1153711636
2 changed files with 126 additions and 59 deletions
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31
src/database/models.py
View file

@ -126,37 +126,6 @@ def get_comment(comment_id: str) -> dict:
.pop())
def get_comment_ids(claim_id: str = None, parent_id: str = None,
page: int = 1, page_size: int = 50, flattened=False) -> dict:
results = comment_list(
claim_id, parent_id,
top_level=(parent_id is None),
page=page, page_size=page_size,
select_fields=['comment_id', 'parent_id']
)
if flattened:
results.update({
'items': [item['comment_id'] for item in results['items']],
'replies': [(item['comment_id'], item.get('parent_id')) for item in results['items']]
})
return results
def get_comments_by_id(comment_ids: typing.Union[list, tuple]) -> dict:
expression = Comment.comment_id.in_(comment_ids)
return comment_list(expressions=expression, page_size=len(comment_ids))
def get_channel_from_comment_id(comment_id: str) -> dict:
results = comment_list(
expressions=(Comment.comment_id == comment_id),
select_fields=['channel_name', 'channel_id', 'channel_url'],
page_size=1
)
# todo: make the return type here consistent
return results['items'].pop()
def create_comment_id(comment: str, channel_id: str, timestamp: int):
# We convert the timestamp from seconds into minutes
# to prevent spammers from commenting the same BS everywhere.

152
src/server/handles.py
View file

@ -1,16 +1,22 @@
import asyncio
import logging
import time
import typing
from aiohttp import web
from aiojobs.aiohttp import atomic
import src.database.queries as db
from src.database.writes import abandon_comment, create_comment
from src.database.writes import hide_comments
from src.database.writes import edit_comment
from src.misc import clean_input_params
from src.server.validation import validate_signature_from_claim
from src.misc import clean_input_params, get_claim_from_id
from src.server.errors import make_error, report_error
from src.database.models import Comment, Channel
from src.database.models import get_comment
from src.database.models import comment_list
from src.database.models import create_comment
from src.database.models import edit_comment
from src.database.models import delete_comment
from src.database.models import set_hidden_flag
logger = logging.getLogger(__name__)
@ -20,37 +26,127 @@ def ping(*args):
return 'pong'
def handle_get_channel_from_comment_id(app, kwargs: dict):
return db.get_channel_id_from_comment_id(app['reader'], **kwargs)
def handle_get_channel_from_comment_id(app: web.Application, comment_id: str) -> dict:
comment = get_comment(comment_id)
return {
'channel_id': comment['channel_id'],
'channel_name': comment['channel_name']
}
def handle_get_comment_ids(app, kwargs):
return db.get_comment_ids(app['reader'], **kwargs)
def handle_get_comment_ids(
app: web.Application,
claim_id: str,
parent_id: str = None,
page: int = 1,
page_size: int = 50,
flattened=False
) -> dict:
results = comment_list(
claim_id=claim_id,
parent_id=parent_id,
top_level=(parent_id is None),
page=page,
page_size=page_size,
select_fields=['comment_id', 'parent_id']
)
if flattened:
results.update({
'items': [item['comment_id'] for item in results['items']],
'replies': [(item['comment_id'], item.get('parent_id'))
for item in results['items']]
})
return results
def handle_get_claim_comments(app, kwargs):
return db.get_claim_comments(app['reader'], **kwargs)
def handle_get_comments_by_id(
app: web.Application,
comment_ids: typing.Union[list, tuple]
) -> dict:
expression = Comment.comment_id.in_(comment_ids)
return comment_list(expressions=expression, page_size=len(comment_ids))
def handle_get_comments_by_id(app, kwargs):
return db.get_comments_by_id(app['reader'], **kwargs)
def handle_get_claim_comments(
app: web.Application,
claim_id: str,
parent_id: str = None,
page: int = 1,
page_size: int = 50,
top_level: bool = False
) -> dict:
return comment_list(
claim_id=claim_id,
parent_id=parent_id,
page=page,
page_size=page_size,
top_level=top_level
)
def handle_get_claim_hidden_comments(app, kwargs):
return db.get_claim_hidden_comments(app['reader'], **kwargs)
def handle_get_claim_hidden_comments(
app: web.Application,
claim_id: str,
hidden: bool,
page: int = 1,
page_size: int = 50,
) -> dict:
exclude = 'hidden' if hidden else 'visible'
return comment_list(
claim_id=claim_id,
exclude_mode=exclude,
page=page,
page_size=page_size
)
def get_channel_from_comment_id(app, comment_id: str) -> dict:
results = comment_list(
expressions=(Comment.comment_id == comment_id),
select_fields=['channel_name', 'channel_id', 'channel_url'],
page_size=1
)
# todo: make the return type here consistent
return results['items'].pop()
async def handle_abandon_comment(app, params):
return {'abandoned': await abandon_comment(app, **params)}
# return {'abandoned': await abandon_comment(app, **params)}
raise NotImplementedError
async def handle_hide_comments(app, params):
return {'hidden': await hide_comments(app, **params)}
async def handle_hide_comments(app, pieces: list = None, claim_id: str = None) -> dict:
# return {'hidden': await hide_comments(app, **params)}
raise NotImplementedError
async def handle_edit_comment(app, params):
if await edit_comment(app, **params):
return db.get_comment_or_none(app['reader'], params['comment_id'])
async def handle_edit_comment(app, comment: str = None, comment_id: str = None,
signature: str = None, signing_ts: str = None, **params) -> dict:
current = get_comment(comment_id)
channel_claim = await get_claim_from_id(app, current['channel_id'])
if not validate_signature_from_claim(channel_claim, signature, signing_ts, comment):
raise ValueError('Signature could not be validated')
with app['db'].atomic():
if not edit_comment(comment_id, comment, signature, signing_ts):
raise ValueError('Comment could not be edited')
return get_comment(comment_id)
def handle_create_comment(app, comment: str = None, claim_id: str = None,
parent_id: str = None, channel_id: str = None, channel_name: str = None,
signature: str = None, signing_ts: str = None) -> dict:
with app['db'].atomic():
return create_comment(
comment=comment,
claim_id=claim_id,
parent_id=parent_id,
channel_id=channel_id,
channel_name=channel_name,
signature=signature,
signing_ts=signing_ts
)
METHODS = {
@ -59,8 +155,8 @@ METHODS = {
'get_claim_hidden_comments': handle_get_claim_hidden_comments, # this gets used
'get_comment_ids': handle_get_comment_ids,
'get_comments_by_id': handle_get_comments_by_id, # this gets used
'get_channel_from_comment_id': handle_get_channel_from_comment_id, # this gets used
'create_comment': create_comment, # this gets used
'get_channel_from_comment_id': get_channel_from_comment_id, # this gets used
'create_comment': handle_create_comment, # this gets used
'delete_comment': handle_abandon_comment,
'abandon_comment': handle_abandon_comment, # this gets used
'hide_comments': handle_hide_comments, # this gets used
@ -78,17 +174,19 @@ async def process_json(app, body: dict) -> dict:
start = time.time()
try:
if asyncio.iscoroutinefunction(METHODS[method]):
result = await METHODS[method](app, params)
result = await METHODS[method](app, **params)
else:
result = METHODS[method](app, params)
response['result'] = result
result = METHODS[method](app, **params)
except Exception as err:
logger.exception(f'Got {type(err).__name__}:')
logger.exception(f'Got {type(err).__name__}:\n{err}')
if type(err) in (ValueError, TypeError): # param error, not too important
response['error'] = make_error('INVALID_PARAMS', err)
else:
response['error'] = make_error('INTERNAL', err)
await app['webhooks'].spawn(report_error(app, err, body))
else:
response['result'] = result
finally:
end = time.time()