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from typing import Optional, Dict
from datetime import datetime
from szurubooru import db, model, errors, rest, search
from szurubooru.func import (
auth, tags, posts, snapshots, favorites, scores, serialization, versions)
_search_executor_config = search.configs.PostSearchConfig()
_search_executor = search.Executor(_search_executor_config)
def _get_post_id(params: Dict[str, str]) -> int:
try:
return int(params['post_id'])
except TypeError:
raise posts.InvalidPostIdError(
'Invalid post ID: %r.' % params['post_id'])
def _get_post(params: Dict[str, str]) -> model.Post:
return posts.get_post_by_id(_get_post_id(params))
def _serialize_post(
ctx: rest.Context, post: Optional[model.Post]) -> rest.Response:
return posts.serialize_post(
post,
ctx.user,
options=serialization.get_serialization_options(ctx))
@rest.routes.get('/posts/?')
def get_posts(
ctx: rest.Context, _params: Dict[str, str] = {}) -> rest.Response:
auth.verify_privilege(ctx.user, 'posts:list')
_search_executor_config.user = ctx.user
return _search_executor.execute_and_serialize(
ctx, lambda post: _serialize_post(ctx, post))
@rest.routes.post('/posts/?')
def create_post(
ctx: rest.Context, _params: Dict[str, str] = {}) -> rest.Response:
anonymous = ctx.get_param_as_bool('anonymous', default=False)
if anonymous:
auth.verify_privilege(ctx.user, 'posts:create:anonymous')
else:
auth.verify_privilege(ctx.user, 'posts:create:identified')
content = ctx.get_file('content')
tag_names = ctx.get_param_as_string_list('tags', default=[])
safety = ctx.get_param_as_string('safety')
source = ctx.get_param_as_string('source', default='')
if ctx.has_param('contentUrl') and not source:
source = ctx.get_param_as_string('contentUrl', default='')
relations = ctx.get_param_as_int_list('relations', default=[])
notes = ctx.get_param_as_list('notes', default=[])
flags = ctx.get_param_as_string_list('flags', default=[])
post, new_tags = posts.create_post(
content, tag_names, None if anonymous else ctx.user)
if len(new_tags):
auth.verify_privilege(ctx.user, 'tags:create')
posts.update_post_safety(post, safety)
posts.update_post_source(post, source)
posts.update_post_relations(post, relations)
posts.update_post_notes(post, notes)
posts.update_post_flags(post, flags)
if ctx.has_file('thumbnail'):
posts.update_post_thumbnail(post, ctx.get_file('thumbnail'))
ctx.session.add(post)
ctx.session.flush()
snapshots.create(post, None if anonymous else ctx.user)
for tag in new_tags:
snapshots.create(tag, None if anonymous else ctx.user)
ctx.session.commit()
return _serialize_post(ctx, post)
@rest.routes.get('/post/(?P<post_id>[^/]+)/?')
def get_post(ctx: rest.Context, params: Dict[str, str]) -> rest.Response:
auth.verify_privilege(ctx.user, 'posts:view')
post = _get_post(params)
return _serialize_post(ctx, post)
@rest.routes.put('/post/(?P<post_id>[^/]+)/?')
def update_post(ctx: rest.Context, params: Dict[str, str]) -> rest.Response:
post = _get_post(params)
versions.verify_version(post, ctx)
versions.bump_version(post)
if ctx.has_file('content'):
auth.verify_privilege(ctx.user, 'posts:edit:content')
posts.update_post_content(post, ctx.get_file('content'))
if ctx.has_param('tags'):
auth.verify_privilege(ctx.user, 'posts:edit:tags')
new_tags = posts.update_post_tags(
post, ctx.get_param_as_string_list('tags'))
if len(new_tags):
auth.verify_privilege(ctx.user, 'tags:create')
db.session.flush()
for tag in new_tags:
snapshots.create(tag, ctx.user)
if ctx.has_param('safety'):
auth.verify_privilege(ctx.user, 'posts:edit:safety')
posts.update_post_safety(post, ctx.get_param_as_string('safety'))
if ctx.has_param('source'):
auth.verify_privilege(ctx.user, 'posts:edit:source')
posts.update_post_source(post, ctx.get_param_as_string('source'))
elif ctx.has_param('contentUrl'):
posts.update_post_source(post, ctx.get_param_as_string('contentUrl'))
if ctx.has_param('relations'):
auth.verify_privilege(ctx.user, 'posts:edit:relations')
posts.update_post_relations(
post, ctx.get_param_as_int_list('relations'))
if ctx.has_param('notes'):
auth.verify_privilege(ctx.user, 'posts:edit:notes')
posts.update_post_notes(post, ctx.get_param_as_list('notes'))
if ctx.has_param('flags'):
auth.verify_privilege(ctx.user, 'posts:edit:flags')
posts.update_post_flags(post, ctx.get_param_as_string_list('flags'))
if ctx.has_file('thumbnail'):
auth.verify_privilege(ctx.user, 'posts:edit:thumbnail')
posts.update_post_thumbnail(post, ctx.get_file('thumbnail'))
post.last_edit_time = datetime.utcnow()
ctx.session.flush()
snapshots.modify(post, ctx.user)
ctx.session.commit()
return _serialize_post(ctx, post)
@rest.routes.delete('/post/(?P<post_id>[^/]+)/?')
def delete_post(ctx: rest.Context, params: Dict[str, str]) -> rest.Response:
auth.verify_privilege(ctx.user, 'posts:delete')
post = _get_post(params)
versions.verify_version(post, ctx)
snapshots.delete(post, ctx.user)
posts.delete(post)
ctx.session.commit()
return {}
@rest.routes.post('/post-merge/?')
def merge_posts(
ctx: rest.Context, _params: Dict[str, str] = {}) -> rest.Response:
source_post_id = ctx.get_param_as_int('remove')
target_post_id = ctx.get_param_as_int('mergeTo')
source_post = posts.get_post_by_id(source_post_id)
target_post = posts.get_post_by_id(target_post_id)
replace_content = ctx.get_param_as_bool('replaceContent')
versions.verify_version(source_post, ctx, 'removeVersion')
versions.verify_version(target_post, ctx, 'mergeToVersion')
versions.bump_version(target_post)
auth.verify_privilege(ctx.user, 'posts:merge')
posts.merge_posts(source_post, target_post, replace_content)
snapshots.merge(source_post, target_post, ctx.user)
ctx.session.commit()
return _serialize_post(ctx, target_post)
@rest.routes.get('/featured-post/?')
def get_featured_post(
ctx: rest.Context, _params: Dict[str, str] = {}) -> rest.Response:
auth.verify_privilege(ctx.user, 'posts:view:featured')
post = posts.try_get_featured_post()
return _serialize_post(ctx, post)
@rest.routes.post('/featured-post/?')
def set_featured_post(
ctx: rest.Context, _params: Dict[str, str] = {}) -> rest.Response:
auth.verify_privilege(ctx.user, 'posts:feature')
post_id = ctx.get_param_as_int('id')
post = posts.get_post_by_id(post_id)
featured_post = posts.try_get_featured_post()
if featured_post and featured_post.post_id == post.post_id:
raise posts.PostAlreadyFeaturedError(
'Post %r is already featured.' % post_id)
posts.feature_post(post, ctx.user)
snapshots.modify(post, ctx.user)
ctx.session.commit()
return _serialize_post(ctx, post)
@rest.routes.put('/post/(?P<post_id>[^/]+)/score/?')
def set_post_score(ctx: rest.Context, params: Dict[str, str]) -> rest.Response:
auth.verify_privilege(ctx.user, 'posts:score')
post = _get_post(params)
score = ctx.get_param_as_int('score')
scores.set_score(post, ctx.user, score)
ctx.session.commit()
return _serialize_post(ctx, post)
@rest.routes.delete('/post/(?P<post_id>[^/]+)/score/?')
def delete_post_score(
ctx: rest.Context, params: Dict[str, str]) -> rest.Response:
auth.verify_privilege(ctx.user, 'posts:score')
post = _get_post(params)
scores.delete_score(post, ctx.user)
ctx.session.commit()
return _serialize_post(ctx, post)
@rest.routes.post('/post/(?P<post_id>[^/]+)/favorite/?')
def add_post_to_favorites(
ctx: rest.Context, params: Dict[str, str]) -> rest.Response:
auth.verify_privilege(ctx.user, 'posts:favorite')
post = _get_post(params)
favorites.set_favorite(post, ctx.user)
ctx.session.commit()
return _serialize_post(ctx, post)
@rest.routes.delete('/post/(?P<post_id>[^/]+)/favorite/?')
def delete_post_from_favorites(
ctx: rest.Context, params: Dict[str, str]) -> rest.Response:
auth.verify_privilege(ctx.user, 'posts:favorite')
post = _get_post(params)
favorites.unset_favorite(post, ctx.user)
ctx.session.commit()
return _serialize_post(ctx, post)
@rest.routes.get('/post/(?P<post_id>[^/]+)/around/?')
def get_posts_around(
ctx: rest.Context, params: Dict[str, str]) -> rest.Response:
auth.verify_privilege(ctx.user, 'posts:list')
_search_executor_config.user = ctx.user
post_id = _get_post_id(params)
return _search_executor.get_around_and_serialize(
ctx, post_id, lambda post: _serialize_post(ctx, post))
@rest.routes.post('/posts/reverse-search/?')
def get_posts_by_image(
ctx: rest.Context, _params: Dict[str, str] = {}) -> rest.Response:
auth.verify_privilege(ctx.user, 'posts:reverse_search')
content = ctx.get_file('content')
try:
lookalikes = posts.search_by_image(content)
except (errors.ThirdPartyError, errors.ProcessingError):
lookalikes = []
return {
'exactPost':
_serialize_post(ctx, posts.search_by_image_exact(content)),
'similarPosts':
[
{
'distance': lookalike.distance,
'post': _serialize_post(ctx, lookalike.post),
}
for lookalike in lookalikes
],
}
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