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from abc import ABC
from typing import Any, Optional
from beanie.odm.operators.find import BaseFindOperator
class BaseFindArrayOperator(BaseFindOperator, ABC): ...
class All(BaseFindArrayOperator):
"""
`$all` array query operator
Example:
```python
class Sample(Document):
results: List[int]
All(Sample.results, [80, 85])
```
Will return query object like
```python
{"results": {"$all": [80, 85]}}
```
MongoDB doc:
<https://docs.mongodb.com/manual/reference/operator/query/all>
"""
def __init__(
self,
field,
values: list,
):
self.field = field
self.values_list = values
@property
def query(self):
return {self.field: {"$all": self.values_list}}
class ElemMatch(BaseFindArrayOperator):
"""
`$elemMatch` array query operator
Example:
```python
class Sample(Document):
results: List[int]
ElemMatch(Sample.results, {"$in": [80, 85]})
```
Will return query object like
```python
{"results": {"$elemMatch": {"$in": [80, 85]}}}
```
MongoDB doc:
<https://docs.mongodb.com/manual/reference/operator/query/elemMatch/>
"""
def __init__(
self,
field,
expression: Optional[dict] = None,
**kwargs: Any,
):
self.field = field
if expression is None:
self.expression = kwargs
else:
self.expression = expression
@property
def query(self):
return {self.field: {"$elemMatch": self.expression}}
class Size(BaseFindArrayOperator):
"""
`$size` array query operator
Example:
```python
class Sample(Document):
results: List[int]
Size(Sample.results, 2)
```
Will return query object like
```python
{"results": {"$size": 2}}
```
MongoDB doc:
<https://docs.mongodb.com/manual/reference/operator/query/size/>
"""
def __init__(
self,
field,
num: int,
):
self.field = field
self.num = num
@property
def query(self):
return {self.field: {"$size": self.num}}
|
