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from abc import ABC
from typing import Optional
from beanie.odm.operators.find import BaseFindOperator
class BaseFindEvaluationOperator(BaseFindOperator, ABC): ...
class Expr(BaseFindEvaluationOperator):
"""
`$type` query operator
Example:
```python
class Sample(Document):
one: int
two: int
Expr({"$gt": [ "$one" , "$two" ]})
```
Will return query object like
```python
{"$expr": {"$gt": [ "$one" , "$two" ]}}
```
MongoDB doc:
<https://docs.mongodb.com/manual/reference/operator/query/expr/>
"""
def __init__(self, expression: dict):
self.expression = expression
@property
def query(self):
return {"$expr": self.expression}
class JsonSchema(BaseFindEvaluationOperator):
"""
`$jsonSchema` query operator
MongoDB doc:
<https://docs.mongodb.com/manual/reference/operator/query/jsonSchema/>
"""
def __init__(self, expression: dict):
self.expression = expression
@property
def query(self):
return {"$jsonSchema": self.expression}
class Mod(BaseFindEvaluationOperator):
"""
`$mod` query operator
Example:
```python
class Sample(Document):
one: int
Mod(Sample.one, 4, 0)
```
Will return query object like
```python
{ "one": { "$mod": [ 4, 0 ] } }
```
MongoDB doc:
<https://docs.mongodb.com/manual/reference/operator/query/mod/>
"""
def __init__(self, field, divisor: int, remainder: int):
self.field = field
self.divisor = divisor
self.remainder = remainder
@property
def query(self):
return {self.field: {"$mod": [self.divisor, self.remainder]}}
class RegEx(BaseFindEvaluationOperator):
"""
`$regex` query operator
MongoDB doc:
<https://docs.mongodb.com/manual/reference/operator/query/regex/>
"""
def __init__(
self,
field,
pattern: str,
options: Optional[str] = None,
):
self.field = field
self.pattern = pattern
self.options = options
@property
def query(self):
expression = {"$regex": self.pattern}
if self.options:
expression["$options"] = self.options
return {self.field: expression}
class Text(BaseFindEvaluationOperator):
"""
`$text` query operator
Example:
```python
class Sample(Document):
description: Indexed(str, pymongo.TEXT)
Text("coffee")
```
Will return query object like
```python
{
"$text": {
"$search": "coffee" ,
"$caseSensitive": False,
"$diacriticSensitive": False
}
}
```
MongoDB doc:
<https://docs.mongodb.com/manual/reference/operator/query/text/>
Note: if you need to run a query against Azure Cosmos DB for MongoDB,
which does not support diacritic sensitivity yet, you can set
`diacritic_sensitive` argument to `None` to exclude it from the query.
"""
def __init__(
self,
search: str,
language: Optional[str] = None,
case_sensitive: bool = False,
diacritic_sensitive: Optional[bool] = False,
):
"""
:param search: str
:param language: Optional[str] = None
:param case_sensitive: bool = False
:param diacritic_sensitive: Optional[bool] = False
"""
self.search = search
self.language = language
self.case_sensitive = case_sensitive
self.diacritic_sensitive = diacritic_sensitive
@property
def query(self):
expression = {
"$text": {
"$search": self.search,
"$caseSensitive": self.case_sensitive,
}
}
if self.language:
expression["$text"]["$language"] = self.language
if self.diacritic_sensitive is not None:
expression["$text"]["$diacriticSensitive"] = (
self.diacritic_sensitive
)
return expression
class Where(BaseFindEvaluationOperator):
"""
`$where` query operator
MongoDB doc:
<https://docs.mongodb.com/manual/reference/operator/query/where/>
"""
def __init__(self, expression: str):
self.expression = expression
@property
def query(self):
return {"$where": self.expression}
|
