from typing import Union
import pymongo
from pymongo.collection import Collection
from pymysql.connections import Connection
from engine import Engine, EnginePool


class MongoDB(Engine):

    def __init__(self, host: str, db: str, collection: str):
        self.host = host
        self.conn = pymongo.MongoClient(self.host)
        self.db = self.conn.get_database(db)
        self.collection = self.db.get_collection(collection)

    def get(self, query: Union[dict, str]=None, offset: int=None, limit:
        int=None) ->dict:
        if query:
            data = self.collection.find(**query)
        else:
            data = self.collection.find()
        if offset:
            data.skip(offset)
        if limit:
            data.limit(limit)
        return data

    def count(self, query: Union[dict, str]=None) ->int:
        return self.collection.estimated_document_count()


class MongoDBPool(EnginePool):

    def __init__(self, host: str, db: str, collection: str):
        self.host = host
        self.conn = pymongo.MongoClient(host)
        self.db = self.conn.get_database(db)
        self.collection = self.db.get_collection(collection)

    def make_connection(self) ->Collection:
        conn = pymongo.MongoClient(self.host)
        db = conn.get_database(self.db)
        return db.get_collection(self.collection)

    def get(self, connection: Union[Connection, Collection], query: Union[
        dict, str]=None, offset: int=None, limit: int=None) ->dict:
        if query:
            data = connection.find(**query)
        else:
            data = connection.find()
        if offset:
            data.skip(offset)
        if limit:
            data.limit(limit)
        return data

    def count(self, connection: Union[Connection, Collection], query: Union
        [dict, str]=None) ->int:
        return connection.estimated_document_count()

c6a2905bcdfc241c649e6420df1d137b8c842f7d
<mask token>


class MongoDB(Engine):
    <mask token>
    <mask token>

    def count(self, query: Union[dict, str]=None) ->int:
        return self.collection.estimated_document_count()


class MongoDBPool(EnginePool):

    def __init__(self, host: str, db: str, collection: str):
        self.host = host
        self.conn = pymongo.MongoClient(host)
        self.db = self.conn.get_database(db)
        self.collection = self.db.get_collection(collection)

    def make_connection(self) ->Collection:
        conn = pymongo.MongoClient(self.host)
        db = conn.get_database(self.db)
        return db.get_collection(self.collection)

    def get(self, connection: Union[Connection, Collection], query: Union[
        dict, str]=None, offset: int=None, limit: int=None) ->dict:
        if query:
            data = connection.find(**query)
        else:
            data = connection.find()
        if offset:
            data.skip(offset)
        if limit:
            data.limit(limit)
        return data

    def count(self, connection: Union[Connection, Collection], query: Union
        [dict, str]=None) ->int:
        return connection.estimated_document_count()

<mask token>


class MongoDB(Engine):

    def __init__(self, host: str, db: str, collection: str):
        self.host = host
        self.conn = pymongo.MongoClient(self.host)
        self.db = self.conn.get_database(db)
        self.collection = self.db.get_collection(collection)
    <mask token>

    def count(self, query: Union[dict, str]=None) ->int:
        return self.collection.estimated_document_count()


class MongoDBPool(EnginePool):

    def __init__(self, host: str, db: str, collection: str):
        self.host = host
        self.conn = pymongo.MongoClient(host)
        self.db = self.conn.get_database(db)
        self.collection = self.db.get_collection(collection)

    def make_connection(self) ->Collection:
        conn = pymongo.MongoClient(self.host)
        db = conn.get_database(self.db)
        return db.get_collection(self.collection)

    def get(self, connection: Union[Connection, Collection], query: Union[
        dict, str]=None, offset: int=None, limit: int=None) ->dict:
        if query:
            data = connection.find(**query)
        else:
            data = connection.find()
        if offset:
            data.skip(offset)
        if limit:
            data.limit(limit)
        return data

    def count(self, connection: Union[Connection, Collection], query: Union
        [dict, str]=None) ->int:
        return connection.estimated_document_count()

<mask token>


class MongoDB(Engine):

    def __init__(self, host: str, db: str, collection: str):
        self.host = host
        self.conn = pymongo.MongoClient(self.host)
        self.db = self.conn.get_database(db)
        self.collection = self.db.get_collection(collection)

    def get(self, query: Union[dict, str]=None, offset: int=None, limit:
        int=None) ->dict:
        if query:
            data = self.collection.find(**query)
        else:
            data = self.collection.find()
        if offset:
            data.skip(offset)
        if limit:
            data.limit(limit)
        return data

    def count(self, query: Union[dict, str]=None) ->int:
        return self.collection.estimated_document_count()


class MongoDBPool(EnginePool):

    def __init__(self, host: str, db: str, collection: str):
        self.host = host
        self.conn = pymongo.MongoClient(host)
        self.db = self.conn.get_database(db)
        self.collection = self.db.get_collection(collection)

    def make_connection(self) ->Collection:
        conn = pymongo.MongoClient(self.host)
        db = conn.get_database(self.db)
        return db.get_collection(self.collection)

    def get(self, connection: Union[Connection, Collection], query: Union[
        dict, str]=None, offset: int=None, limit: int=None) ->dict:
        if query:
            data = connection.find(**query)
        else:
            data = connection.find()
        if offset:
            data.skip(offset)
        if limit:
            data.limit(limit)
        return data

    def count(self, connection: Union[Connection, Collection], query: Union
        [dict, str]=None) ->int:
        return connection.estimated_document_count()

from typing import Union
import pymongo
from pymongo.collection import Collection
from pymysql.connections import Connection
from engine import Engine, EnginePool


class MongoDB(Engine):

    def __init__(self, host: str, db: str, collection: str):
        self.host = host
        self.conn = pymongo.MongoClient(self.host)
        self.db = self.conn.get_database(db)
        self.collection = self.db.get_collection(collection)

    def get(self, query: Union[dict, str]=None, offset: int=None, limit:
        int=None) ->dict:
        if query:
            data = self.collection.find(**query)
        else:
            data = self.collection.find()
        if offset:
            data.skip(offset)
        if limit:
            data.limit(limit)
        return data

    def count(self, query: Union[dict, str]=None) ->int:
        return self.collection.estimated_document_count()


class MongoDBPool(EnginePool):

    def __init__(self, host: str, db: str, collection: str):
        self.host = host
        self.conn = pymongo.MongoClient(host)
        self.db = self.conn.get_database(db)
        self.collection = self.db.get_collection(collection)

    def make_connection(self) ->Collection:
        conn = pymongo.MongoClient(self.host)
        db = conn.get_database(self.db)
        return db.get_collection(self.collection)

    def get(self, connection: Union[Connection, Collection], query: Union[
        dict, str]=None, offset: int=None, limit: int=None) ->dict:
        if query:
            data = connection.find(**query)
        else:
            data = connection.find()
        if offset:
            data.skip(offset)
        if limit:
            data.limit(limit)
        return data

    def count(self, connection: Union[Connection, Collection], query: Union
        [dict, str]=None) ->int:
        return connection.estimated_document_count()
