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from beanie.odm.operators.update import BaseUpdateOperator
class BaseUpdateArrayOperator(BaseUpdateOperator):
operator = ""
def __init__(self, expression):
self.expression = expression
@property
def query(self):
return {self.operator: self.expression}
class AddToSet(BaseUpdateArrayOperator):
"""
`$addToSet` update array query operator
Example:
```python
class Sample(Document):
results: List[int]
AddToSet({Sample.results: 2})
```
Will return query object like
```python
{"$addToSet": {"results": 2}}
```
MongoDB docs:
<https://docs.mongodb.com/manual/reference/operator/update/addToSet/>
"""
operator = "$addToSet"
class Pop(BaseUpdateArrayOperator):
"""
`$pop` update array query operator
Example:
```python
class Sample(Document):
results: List[int]
Pop({Sample.results: 2})
```
Will return query object like
```python
{"$pop": {"results": -1}}
```
MongoDB docs:
<https://docs.mongodb.com/manual/reference/operator/update/pop/>
"""
operator = "$pop"
class Pull(BaseUpdateArrayOperator):
"""
`$pull` update array query operator
Example:
```python
class Sample(Document):
results: List[int]
Pull(In(Sample.result: [1,2,3,4,5])
```
Will return query object like
```python
{"$pull": { "results": { $in: [1,2,3,4,5] }}}
```
MongoDB docs:
<https://docs.mongodb.com/manual/reference/operator/update/pull/>
"""
operator = "$pull"
class Push(BaseUpdateArrayOperator):
"""
`$push` update array query operator
Example:
```python
class Sample(Document):
results: List[int]
Push({Sample.results: 1})
```
Will return query object like
```python
{"$push": { "results": 1}}
```
MongoDB docs:
<https://docs.mongodb.com/manual/reference/operator/update/push/>
"""
operator = "$push"
class PullAll(BaseUpdateArrayOperator):
"""
`$pullAll` update array query operator
Example:
```python
class Sample(Document):
results: List[int]
PullAll({ Sample.results: [ 0, 5 ] })
```
Will return query object like
```python
{"$pullAll": { "results": [ 0, 5 ] }}
```
MongoDB docs:
<https://docs.mongodb.com/manual/reference/operator/update/pullAll/>
"""
operator = "$pullAll"
|
