You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
199 lines
7.4 KiB
199 lines
7.4 KiB
from bson import ObjectId
|
|
from flask import request
|
|
from mongoengine import Document, ObjectIdField, ListField, \
|
|
EmbeddedDocumentField, ReferenceField, ImageField, FileField, DecimalField, QuerySet
|
|
from base64 import b64encode
|
|
|
|
from mongoengine.base import BaseField
|
|
|
|
|
|
class Resource:
|
|
model: Document = None
|
|
qs: dict = {}
|
|
eqs: dict = {}
|
|
build_reference: bool = False
|
|
base64_image: bool = True
|
|
base64_image_as_full: bool = False
|
|
limit: int = 10
|
|
offset: int = 0
|
|
fields: list = []
|
|
ignore_fields: list = []
|
|
mask_fields: dict = {}
|
|
meta: dict = {}
|
|
as_pk: str = 'id'
|
|
query_document: Document = None
|
|
|
|
def __init__(self, model: Document):
|
|
self.model = model
|
|
self.limit = 10
|
|
if 'no_image' in request.args:
|
|
self.base64_image = False
|
|
if 'with_sub_docs' in request.args:
|
|
self.build_reference = request.args.get('with_sub_docs')
|
|
if 'thumb' in request.args:
|
|
self.base64_image = True
|
|
self.base64_image_as_full = False
|
|
if 'full_image' in request.args:
|
|
self.base64_image = True
|
|
self.base64_image_as_full = True
|
|
if 'limit' in request.args:
|
|
self.limit = int(request.args.get('limit'))
|
|
if 'fields' in request.args:
|
|
self.fields = request.args.get('fields')
|
|
if 'offset' in request.args:
|
|
self.offset = int(request.args.get('offset'))
|
|
self.meta = getattr(self.model, '_meta')
|
|
|
|
if 'ignore_fields' in self.meta:
|
|
self.ignore_fields = self.meta.get('ignore_fields')
|
|
if 'with_sub_docs' in self.meta:
|
|
self.build_reference = self.meta.get('with_sub_docs')
|
|
if 'mask_fields' in self.meta:
|
|
self.mask_fields = self.meta.get('mask_fields')
|
|
if 'document' in self.meta:
|
|
self.model = self.meta.get('document')
|
|
if 'query' in self.meta:
|
|
self.qs = self.meta.get('query')
|
|
if 'as_pk' in self.meta:
|
|
self.as_pk = self.meta.get('as_pk')
|
|
if 'query_document' in self.meta:
|
|
self.query_document = self.meta.get('query_document')
|
|
|
|
def external_query(self, qs: dict):
|
|
self.eqs = qs
|
|
|
|
def query(self, qs: dict) -> None:
|
|
|
|
self.qs = qs
|
|
|
|
def to_json(self, pk: str = None) -> tuple:
|
|
query = {}
|
|
if self.qs:
|
|
for key, val in self.qs.items():
|
|
if callable(val):
|
|
query.update({key: val()})
|
|
else:
|
|
query.update({key: val})
|
|
if self.query_document:
|
|
query = {}
|
|
if self.eqs:
|
|
for key, val in self.eqs.items():
|
|
if callable(val):
|
|
query.update({key: val()})
|
|
else:
|
|
query.update({key: val})
|
|
data = self.query_document.objects.filter(**query)
|
|
field_name = ""
|
|
for i in self.model._fields_ordered:
|
|
try:
|
|
if isinstance(getattr(self.model, i).document_type, self.query_document.__class__):
|
|
field_name = i + "__in"
|
|
except:
|
|
pass
|
|
query.clear()
|
|
query = {field_name: [i.id for i in data]}
|
|
for key, val in self.qs.items():
|
|
if callable(val):
|
|
query.update({key: val()})
|
|
else:
|
|
query.update({key: val})
|
|
print(query)
|
|
data = self.model.objects.filter(**query)
|
|
|
|
count = data.count()
|
|
if pk:
|
|
json_data = self.parse_fields(data.get(**{self.as_pk: pk}), self.model)
|
|
else:
|
|
data = data[self.offset:self.limit + self.offset]
|
|
json_data = []
|
|
for item in data:
|
|
item_data = self.parse_fields(item, self.model)
|
|
json_data.append(item_data)
|
|
return count, json_data
|
|
|
|
def parse_field(self, field: BaseField, value: any) -> any:
|
|
|
|
if isinstance(field, ObjectIdField):
|
|
return str(value)
|
|
elif isinstance(field, ReferenceField):
|
|
|
|
if self.build_reference:
|
|
return self.parse_fields(value, field.document_type)
|
|
if value:
|
|
return str(value.id)
|
|
else:
|
|
return value
|
|
|
|
elif isinstance(field, ImageField):
|
|
if self.base64_image and value:
|
|
if self.base64_image_as_full:
|
|
file = b64encode(value.read()).decode("utf-8")
|
|
else:
|
|
try:
|
|
file = b64encode(value.thumbnail.read()).decode("utf-8")
|
|
except:
|
|
file = b64encode(value.read()).decode("utf-8")
|
|
return {
|
|
"size": value.size,
|
|
"upload_date": value.gridout.upload_date,
|
|
"format": value.format,
|
|
"base64": file
|
|
}
|
|
else:
|
|
if value:
|
|
return {
|
|
"size": value.size
|
|
}
|
|
else:
|
|
return None
|
|
elif isinstance(field, DecimalField):
|
|
return float(value)
|
|
elif isinstance(field, FileField):
|
|
return "file"
|
|
elif isinstance(field, ListField):
|
|
if isinstance(field.field, EmbeddedDocumentField):
|
|
return [self.parse_fields(item, field.field.document_type) for item in value]
|
|
elif isinstance(field.field, ReferenceField) and self.build_reference:
|
|
return [self.parse_fields(item, field.field.document_type) for item in value]
|
|
else:
|
|
return [self.parse_field(field.field, item) for item in value]
|
|
elif isinstance(value, QuerySet):
|
|
if value.count() > 0:
|
|
return [self.parse_fields(i, value._document) for i in value]
|
|
|
|
else:
|
|
return value
|
|
|
|
def parse_fields(self, item: Document, model: Document) -> dict:
|
|
parsed_item = {}
|
|
|
|
fields = list(getattr(model, "_fields_ordered"))
|
|
if self.model != model:
|
|
in_meta = getattr(model,'_meta')
|
|
if in_meta.get('ignore_fields'):
|
|
self.ignore_fields += in_meta.get('ignore_fields')
|
|
for key, val in model.__dict__.items():
|
|
if isinstance(getattr(model, key), property):
|
|
fields.append(key)
|
|
for i in fields:
|
|
if i not in self.ignore_fields:
|
|
field = getattr(model, i)
|
|
if i not in self.mask_fields:
|
|
if not item is None:
|
|
value = getattr(item, i)
|
|
else:
|
|
value = None
|
|
else:
|
|
value = getattr(item, i)
|
|
if self.mask_fields.get(i) == 'all':
|
|
value = '*************'
|
|
elif self.mask_fields.get(i) == 'email':
|
|
value = '{}****@{}***.{}'.format(value[0], value.split("@")[1][0],
|
|
'.'.join(value.split("@")[1].split(".")[1:]))
|
|
else:
|
|
value = '*************'
|
|
if not value is None:
|
|
parsed_item.update({i: self.parse_field(field, value)})
|
|
else:
|
|
parsed_item.update({i: None})
|
|
return parsed_item
|
|
|