ConceptPortal-public/rsconcept/backend/apps/rsform/views/rsforms.py
Ivan 8697ee6175
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Refactoring: improving backend
2024-07-22 21:20:51 +03:00

516 lines
18 KiB
Python

''' Endpoints for RSForm. '''
import json
from typing import Union, cast
import pyconcept
from django.db import transaction
from django.http import HttpResponse
from drf_spectacular.utils import extend_schema, extend_schema_view
from rest_framework import generics
from rest_framework import status as c
from rest_framework import views, viewsets
from rest_framework.decorators import action, api_view
from rest_framework.request import Request
from rest_framework.response import Response
from shared import messages as msg
from shared import permissions
from .. import models as m
from .. import serializers as s
from .. import utils
@extend_schema(tags=['RSForm'])
@extend_schema_view()
class RSFormViewSet(viewsets.GenericViewSet, generics.ListAPIView, generics.RetrieveAPIView):
''' Endpoint: RSForm operations. '''
queryset = m.RSForm.objects.all()
serializer_class = s.LibraryItemSerializer
def _get_schema(self) -> m.RSForm:
return cast(m.RSForm, self.get_object())
def get_permissions(self):
''' Determine permission class. '''
if self.action in [
'load_trs',
'reset_aliases',
'cst_create',
'cst_delete_multiple',
'cst_rename',
'cst_substitute'
]:
permission_list = [permissions.ItemEditor]
elif self.action in [
'contents',
'details',
'export_trs',
'resolve',
'check'
]:
permission_list = [permissions.ItemAnyone]
else:
permission_list = [permissions.Anyone]
return [permission() for permission in permission_list]
@extend_schema(
summary='create constituenta',
tags=['Constituenta'],
request=s.CstCreateSerializer,
responses={
c.HTTP_201_CREATED: s.NewCstResponse,
c.HTTP_400_BAD_REQUEST: None,
c.HTTP_403_FORBIDDEN: None,
c.HTTP_404_NOT_FOUND: None
}
)
@action(detail=True, methods=['post'], url_path='cst-create')
def cst_create(self, request: Request, pk):
''' Create new constituenta. '''
schema = self._get_schema()
serializer = s.CstCreateSerializer(data=request.data)
serializer.is_valid(raise_exception=True)
data = serializer.validated_data
if 'insert_after' in data:
try:
insert_after = m.Constituenta.objects.get(pk=data['insert_after'])
except m.LibraryItem.DoesNotExist:
return Response(status=c.HTTP_404_NOT_FOUND)
else:
insert_after = None
new_cst = schema.create_cst(data, insert_after)
schema.refresh_from_db()
response = Response(
status=c.HTTP_201_CREATED,
data={
'new_cst': s.CstSerializer(new_cst).data,
'schema': s.RSFormParseSerializer(schema).data
}
)
response['Location'] = new_cst.get_absolute_url()
return response
@extend_schema(
summary='produce the structure of a given constituenta',
tags=['RSForm'],
request=s.CstTargetSerializer,
responses={
c.HTTP_200_OK: s.NewMultiCstResponse,
c.HTTP_400_BAD_REQUEST: None,
c.HTTP_403_FORBIDDEN: None,
c.HTTP_404_NOT_FOUND: None
}
)
@action(detail=True, methods=['patch'], url_path='cst-produce-structure')
def produce_structure(self, request: Request, pk):
''' Produce a term for every element of the target constituenta typification. '''
schema = self._get_schema()
serializer = s.CstTargetSerializer(data=request.data, context={'schema': schema})
serializer.is_valid(raise_exception=True)
cst = cast(m.Constituenta, serializer.validated_data['target'])
schema_details = s.RSFormParseSerializer(schema).data['items']
cst_parse = next(item for item in schema_details if item['id'] == cst.id)['parse']
if not cst_parse['typification']:
return Response(
status=c.HTTP_400_BAD_REQUEST,
data={f'{cst.id}': msg.constituentaNoStructure()}
)
result = schema.produce_structure(cst, cst_parse)
return Response(
status=c.HTTP_200_OK,
data={
'cst_list': result,
'schema': s.RSFormParseSerializer(schema).data
}
)
@extend_schema(
summary='rename constituenta',
tags=['Constituenta'],
request=s.CstRenameSerializer,
responses={
c.HTTP_200_OK: s.NewCstResponse,
c.HTTP_400_BAD_REQUEST: None,
c.HTTP_403_FORBIDDEN: None,
c.HTTP_404_NOT_FOUND: None
}
)
@action(detail=True, methods=['patch'], url_path='cst-rename')
def cst_rename(self, request: Request, pk):
''' Rename constituenta possibly changing type. '''
schema = self._get_schema()
serializer = s.CstRenameSerializer(data=request.data, context={'schema': schema})
serializer.is_valid(raise_exception=True)
cst = cast(m.Constituenta, serializer.validated_data['target'])
old_alias = cst.alias
cst.alias = serializer.validated_data['alias']
cst.cst_type = serializer.validated_data['cst_type']
with transaction.atomic():
cst.save()
schema.apply_mapping(mapping={old_alias: cst.alias}, change_aliases=False)
schema.refresh_from_db()
cst.refresh_from_db()
return Response(
status=c.HTTP_200_OK,
data={
'new_cst': s.CstSerializer(cst).data,
'schema': s.RSFormParseSerializer(schema).data
}
)
@extend_schema(
summary='substitute constituenta',
tags=['RSForm'],
request=s.CstSubstituteSerializer,
responses={
c.HTTP_200_OK: s.RSFormParseSerializer,
c.HTTP_400_BAD_REQUEST: None,
c.HTTP_403_FORBIDDEN: None,
c.HTTP_404_NOT_FOUND: None
}
)
@action(detail=True, methods=['patch'], url_path='cst-substitute')
def cst_substitute(self, request: Request, pk):
''' Substitute occurrences of constituenta with another one. '''
schema = self._get_schema()
serializer = s.CstSubstituteSerializer(
data=request.data,
context={'schema': schema}
)
serializer.is_valid(raise_exception=True)
with transaction.atomic():
for substitution in serializer.validated_data['substitutions']:
original = cast(m.Constituenta, substitution['original'])
replacement = cast(m.Constituenta, substitution['substitution'])
schema.substitute(original, replacement, substitution['transfer_term'])
schema.refresh_from_db()
return Response(
status=c.HTTP_200_OK,
data=s.RSFormParseSerializer(schema).data
)
@extend_schema(
summary='delete constituents',
tags=['RSForm'],
request=s.CstListSerializer,
responses={
c.HTTP_200_OK: s.RSFormParseSerializer,
c.HTTP_400_BAD_REQUEST: None,
c.HTTP_403_FORBIDDEN: None,
c.HTTP_404_NOT_FOUND: None
}
)
@action(detail=True, methods=['patch'], url_path='cst-delete-multiple')
def cst_delete_multiple(self, request: Request, pk):
''' Endpoint: Delete multiple constituents. '''
schema = self._get_schema()
serializer = s.CstListSerializer(
data=request.data,
context={'schema': schema}
)
serializer.is_valid(raise_exception=True)
schema.delete_cst(serializer.validated_data['items'])
schema.refresh_from_db()
return Response(
status=c.HTTP_200_OK,
data=s.RSFormParseSerializer(schema).data
)
@extend_schema(
summary='move constituenta',
tags=['RSForm'],
request=s.CstMoveSerializer,
responses={
c.HTTP_200_OK: s.RSFormParseSerializer,
c.HTTP_400_BAD_REQUEST: None,
c.HTTP_403_FORBIDDEN: None,
c.HTTP_404_NOT_FOUND: None
}
)
@action(detail=True, methods=['patch'], url_path='cst-moveto')
def cst_moveto(self, request: Request, pk):
''' Endpoint: Move multiple constituents. '''
schema = self._get_schema()
serializer = s.CstMoveSerializer(
data=request.data,
context={'schema': schema}
)
serializer.is_valid(raise_exception=True)
schema.move_cst(
listCst=serializer.validated_data['items'],
target=serializer.validated_data['move_to']
)
return Response(
status=c.HTTP_200_OK,
data=s.RSFormParseSerializer(schema).data
)
@extend_schema(
summary='reset aliases, update expressions and references',
tags=['RSForm'],
request=None,
responses={
c.HTTP_200_OK: s.RSFormParseSerializer,
c.HTTP_403_FORBIDDEN: None,
c.HTTP_404_NOT_FOUND: None
}
)
@action(detail=True, methods=['patch'], url_path='reset-aliases')
def reset_aliases(self, request: Request, pk):
''' Endpoint: Recreate all aliases based on order. '''
schema = self._get_schema()
schema.reset_aliases()
return Response(
status=c.HTTP_200_OK,
data=s.RSFormParseSerializer(schema).data
)
@extend_schema(
summary='restore order based on types and term graph',
tags=['RSForm'],
request=None,
responses={
c.HTTP_200_OK: s.RSFormParseSerializer,
c.HTTP_403_FORBIDDEN: None,
c.HTTP_404_NOT_FOUND: None
}
)
@action(detail=True, methods=['patch'], url_path='restore-order')
def restore_order(self, request: Request, pk):
''' Endpoint: Restore order based on types and term graph. '''
schema = self._get_schema()
schema.restore_order()
return Response(
status=c.HTTP_200_OK,
data=s.RSFormParseSerializer(schema).data
)
@extend_schema(
summary='load data from TRS file',
tags=['RSForm'],
request=s.RSFormUploadSerializer,
responses={
c.HTTP_200_OK: s.RSFormParseSerializer,
c.HTTP_400_BAD_REQUEST: None,
c.HTTP_403_FORBIDDEN: None,
c.HTTP_404_NOT_FOUND: None
}
)
@action(detail=True, methods=['patch'], url_path='load-trs')
def load_trs(self, request: Request, pk):
''' Endpoint: Load data from file and replace current schema. '''
input_serializer = s.RSFormUploadSerializer(data=request.data)
input_serializer.is_valid(raise_exception=True)
schema = self._get_schema()
load_metadata = input_serializer.validated_data['load_metadata']
data = utils.read_zipped_json(request.FILES['file'].file, utils.EXTEOR_INNER_FILENAME)
data['id'] = schema.pk
serializer = s.RSFormTRSSerializer(
data=data,
context={'load_meta': load_metadata}
)
serializer.is_valid(raise_exception=True)
result = serializer.save()
return Response(
status=c.HTTP_200_OK,
data=s.RSFormParseSerializer(result).data
)
@extend_schema(
summary='get all constituents data from DB',
tags=['RSForm'],
request=None,
responses={
c.HTTP_200_OK: s.RSFormSerializer,
c.HTTP_404_NOT_FOUND: None
}
)
@action(detail=True, methods=['get'], url_path='contents')
def contents(self, request: Request, pk):
''' Endpoint: View schema db contents (including constituents). '''
schema = s.RSFormSerializer(self.get_object())
return Response(
status=c.HTTP_200_OK,
data=schema.data
)
@extend_schema(
summary='get all constituents data and parses',
tags=['RSForm'],
request=None,
responses={
c.HTTP_200_OK: s.RSFormParseSerializer,
c.HTTP_404_NOT_FOUND: None
}
)
@action(detail=True, methods=['get'], url_path='details')
def details(self, request: Request, pk):
''' Endpoint: Detailed schema view including statuses and parse. '''
serializer = s.RSFormParseSerializer(self._get_schema())
return Response(
status=c.HTTP_200_OK,
data=serializer.data
)
@extend_schema(
summary='check RSLang expression',
tags=['RSForm', 'FormalLanguage'],
request=s.ExpressionSerializer,
responses={
c.HTTP_200_OK: s.ExpressionParseSerializer,
c.HTTP_404_NOT_FOUND: None
},
)
@action(detail=True, methods=['post'], url_path='check')
def check(self, request: Request, pk):
''' Endpoint: Check RSLang expression against schema context. '''
serializer = s.ExpressionSerializer(data=request.data)
serializer.is_valid(raise_exception=True)
expression = serializer.validated_data['expression']
schema = s.PyConceptAdapter(self._get_schema())
result = pyconcept.check_expression(json.dumps(schema.data), expression)
return Response(
status=c.HTTP_200_OK,
data=json.loads(result)
)
@extend_schema(
summary='resolve text with references',
tags=['RSForm', 'NaturalLanguage'],
request=s.TextSerializer,
responses={
c.HTTP_200_OK: s.ResolverSerializer,
c.HTTP_404_NOT_FOUND: None
}
)
@action(detail=True, methods=['post'], url_path='resolve')
def resolve(self, request: Request, pk):
''' Endpoint: Resolve references in text against schema terms context. '''
serializer = s.TextSerializer(data=request.data)
serializer.is_valid(raise_exception=True)
text = serializer.validated_data['text']
resolver = self._get_schema().resolver()
resolver.resolve(text)
return Response(
status=c.HTTP_200_OK,
data=s.ResolverSerializer(resolver).data
)
@extend_schema(
summary='export as TRS file',
tags=['RSForm'],
request=None,
responses={
(c.HTTP_200_OK, 'application/zip'): bytes,
c.HTTP_404_NOT_FOUND: None
}
)
@action(detail=True, methods=['get'], url_path='export-trs')
def export_trs(self, request: Request, pk):
''' Endpoint: Download Exteor compatible file. '''
data = s.RSFormTRSSerializer(self._get_schema()).data
file = utils.write_zipped_json(data, utils.EXTEOR_INNER_FILENAME)
filename = utils.filename_for_schema(self._get_schema().alias)
response = HttpResponse(file, content_type='application/zip')
response['Content-Disposition'] = f'attachment; filename={filename}'
return response
class TrsImportView(views.APIView):
''' Endpoint: Upload RS form in Exteor format. '''
serializer_class = s.FileSerializer
permission_classes = [permissions.GlobalUser]
@extend_schema(
summary='import TRS file into RSForm',
tags=['RSForm'],
request=s.FileSerializer,
responses={
c.HTTP_201_CREATED: s.LibraryItemSerializer,
c.HTTP_403_FORBIDDEN: None
}
)
def post(self, request: Request):
data = utils.read_zipped_json(request.FILES['file'].file, utils.EXTEOR_INNER_FILENAME)
owner = cast(m.User, self.request.user)
_prepare_rsform_data(data, request, owner)
serializer = s.RSFormTRSSerializer(
data=data,
context={'load_meta': True}
)
serializer.is_valid(raise_exception=True)
schema = serializer.save()
result = s.LibraryItemSerializer(schema)
return Response(
status=c.HTTP_201_CREATED,
data=result.data
)
@extend_schema(
summary='create new RSForm empty or from file',
tags=['RSForm'],
request=s.LibraryItemSerializer,
responses={
c.HTTP_201_CREATED: s.LibraryItemSerializer,
c.HTTP_400_BAD_REQUEST: None,
c.HTTP_403_FORBIDDEN: None
}
)
@api_view(['POST'])
def create_rsform(request: Request):
''' Endpoint: Create RSForm from user input and/or trs file. '''
owner = cast(m.User, request.user) if not request.user.is_anonymous else None
if 'file' not in request.FILES:
return Response(
status=c.HTTP_400_BAD_REQUEST,
data={'file': msg.missingFile()}
)
else:
data = utils.read_zipped_json(request.FILES['file'].file, utils.EXTEOR_INNER_FILENAME)
_prepare_rsform_data(data, request, owner)
serializer_rsform = s.RSFormTRSSerializer(data=data, context={'load_meta': True})
serializer_rsform.is_valid(raise_exception=True)
schema = serializer_rsform.save()
result = s.LibraryItemSerializer(schema)
return Response(
status=c.HTTP_201_CREATED,
data=result.data
)
def _prepare_rsform_data(data: dict, request: Request, owner: Union[m.User, None]):
data['owner'] = owner
if 'title' in request.data and request.data['title'] != '':
data['title'] = request.data['title']
if data['title'] == '':
data['title'] = 'Без названия ' + request.FILES['file'].fileName
if 'alias' in request.data and request.data['alias'] != '':
data['alias'] = request.data['alias']
if 'comment' in request.data and request.data['comment'] != '':
data['comment'] = request.data['comment']
visible = True
if 'visible' in request.data:
visible = request.data['visible'] == 'true'
data['visible'] = visible
read_only = False
if 'read_only' in request.data:
read_only = request.data['read_only'] == 'true'
data['read_only'] = read_only
data['access_policy'] = request.data.get('access_policy', m.AccessPolicy.PUBLIC)
data['location'] = request.data.get('location', m.LocationHead.USER)