2021.4 #19
@ -23,10 +23,7 @@ class ServiceCollection(ServiceCollectionABC):
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def _add_descriptor(self, service: Union[type, object], lifetime: ServiceLifetimeEnum):
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found = False
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for descriptor in self._service_descriptors:
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if not isinstance(service, type):
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service = type(service)
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if descriptor.service_type == service:
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if isinstance(service, descriptor.service_type):
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found = True
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if found:
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@ -39,23 +36,24 @@ class ServiceCollection(ServiceCollectionABC):
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self._service_descriptors.append(ServiceDescriptor(service, lifetime))
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def add_db_context(self, db_context_type: Type[DatabaseContextABC], db_settings: DatabaseSettings):
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db_context = db_context_type(db_settings)
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db_context.connect(CredentialManager.build_string(db_settings.connection_string, db_settings.credentials))
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self._database_context = db_context_type(db_settings)
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self._database_context.connect(CredentialManager.build_string(db_settings.connection_string, db_settings.credentials))
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def add_singleton(self, service_type: Union[type, object], service: Union[type, object] = None):
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impl = None
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if service is not None:
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if isinstance(service, type):
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service = self.build_service_provider().build_service(service)
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impl = self.build_service_provider().build_service(service)
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self._add_descriptor(service, ServiceLifetimeEnum.singleton)
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self._add_descriptor(impl, ServiceLifetimeEnum.singleton)
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else:
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if isinstance(service_type, type):
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service_type = self.build_service_provider().build_service(service_type)
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impl = self.build_service_provider().build_service(service_type)
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self._add_descriptor(service_type, ServiceLifetimeEnum.singleton)
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self._add_descriptor(impl, ServiceLifetimeEnum.singleton)
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def add_scoped(self, service_type: Type, service: Callable = None):
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pass
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raise Exception('Not implemented')
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def add_transient(self, service_type: Union[type], service: Union[type] = None):
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if service is not None:
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@ -64,4 +62,4 @@ class ServiceCollection(ServiceCollectionABC):
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self._add_descriptor(service_type, ServiceLifetimeEnum.transient)
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def build_service_provider(self) -> ServiceProviderABC:
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return ServiceProvider(self._service_descriptors, self._configuration)
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return ServiceProvider(self._service_descriptors, self._configuration, self._database_context)
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@ -4,6 +4,7 @@ from typing import Optional
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from cpl.configuration.configuration_abc import ConfigurationABC
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from cpl.configuration.configuration_model_abc import ConfigurationModelABC
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from cpl.database.context.database_context_abc import DatabaseContextABC
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from cpl.dependency_injection.service_provider_abc import ServiceProviderABC
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from cpl.dependency_injection.service_descriptor import ServiceDescriptor
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from cpl.dependency_injection.service_lifetime_enum import ServiceLifetimeEnum
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@ -12,11 +13,12 @@ from cpl.environment.application_environment_abc import ApplicationEnvironmentAB
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class ServiceProvider(ServiceProviderABC):
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def __init__(self, service_descriptors: list[ServiceDescriptor], config: ConfigurationABC):
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def __init__(self, service_descriptors: list[ServiceDescriptor], config: ConfigurationABC, db_context: Optional[DatabaseContextABC]):
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ServiceProviderABC.__init__(self)
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self._service_descriptors: list[ServiceDescriptor] = service_descriptors
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self._configuration: ConfigurationABC = config
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self._database_context = db_context
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def _find_service(self, service_type: type) -> [ServiceDescriptor]:
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for descriptor in self._service_descriptors:
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@ -58,8 +60,8 @@ class ServiceProvider(ServiceProviderABC):
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elif issubclass(parameter.annotation, ApplicationEnvironmentABC):
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params.append(self._configuration.environment)
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# elif issubclass(parameter.annotation, DatabaseContextABC):
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# params.append(self._database_context)
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elif issubclass(parameter.annotation, DatabaseContextABC):
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params.append(self._database_context)
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elif issubclass(parameter.annotation, ConfigurationModelABC):
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params.append(self._configuration.get_configuration(parameter.annotation))
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@ -5,6 +5,7 @@ from cpl.configuration import ConfigurationABC
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from cpl.console import Console
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from cpl.dependency_injection import ServiceProviderABC
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from cpl.logging import LoggerABC
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from model.user_repo_abc import UserRepoABC
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class Application(ApplicationABC):
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@ -22,3 +23,4 @@ class Application(ApplicationABC):
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self._logger.debug(__name__, f'Host: {self._configuration.environment.host_name}')
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self._logger.debug(__name__, f'Environment: {self._configuration.environment.environment_name}')
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self._logger.debug(__name__, f'Customer: {self._configuration.environment.customer}')
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self._services.get_service(UserRepoABC).add_test_user()
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14
src/tests/custom/database/src/model/city_model.py
Normal file
14
src/tests/custom/database/src/model/city_model.py
Normal file
@ -0,0 +1,14 @@
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from sqlalchemy import Column, Integer, String
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from cpl.database import DatabaseModel
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class CityModel(DatabaseModel):
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__tablename__ = 'Cities'
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Id = Column(Integer, primary_key=True, nullable=False, autoincrement=True)
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Name = Column(String(64), nullable=False)
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ZIP = Column(String(5), nullable=False)
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def __init__(self, name: str, zip_code: str):
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self.Name = name
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self.ZIP = zip_code
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18
src/tests/custom/database/src/model/user_model.py
Normal file
18
src/tests/custom/database/src/model/user_model.py
Normal file
@ -0,0 +1,18 @@
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from sqlalchemy import Column, Integer, String, ForeignKey
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from sqlalchemy.orm import relationship
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from cpl.database import DatabaseModel
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from .city_model import CityModel
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class UserModel(DatabaseModel):
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__tablename__ = 'Users'
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Id = Column(Integer, primary_key=True, nullable=False, autoincrement=True)
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Name = Column(String(64), nullable=False)
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City_Id = Column(Integer, ForeignKey('Cities.Id'), nullable=False)
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City = relationship("CityModel")
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def __init__(self, name: str, city: CityModel):
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self.Name = name
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self.City_Id = city.Id
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self.City = city
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23
src/tests/custom/database/src/model/user_repo.py
Normal file
23
src/tests/custom/database/src/model/user_repo.py
Normal file
@ -0,0 +1,23 @@
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from cpl.database.context import DatabaseContextABC
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from .city_model import CityModel
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from .user_model import UserModel
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from .user_repo_abc import UserRepoABC
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class UserRepo(UserRepoABC):
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def __init__(self, db_context: DatabaseContextABC):
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UserRepoABC.__init__(self)
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self._session = db_context.session
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self._user_query = db_context.session.query(UserModel)
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def create(self): pass
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def add_test_user(self):
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city = CityModel('Haren', '49733')
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city2 = CityModel('Meppen', '49716')
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self._session.add(city2)
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user = UserModel('TestUser', city)
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self._session.add(user)
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self._session.commit()
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7
src/tests/custom/database/src/model/user_repo_abc.py
Normal file
7
src/tests/custom/database/src/model/user_repo_abc.py
Normal file
@ -0,0 +1,7 @@
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from abc import ABC, abstractmethod
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class UserRepoABC(ABC):
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@abstractmethod
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def __init__(self): pass
|
@ -4,6 +4,8 @@ from cpl.database import DatabaseSettings
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from cpl.dependency_injection import ServiceProviderABC, ServiceCollectionABC
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from cpl.logging import LoggerABC, Logger
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from model.db_context import DBContext
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from model.user_repo import UserRepo
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from model.user_repo_abc import UserRepoABC
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class Startup(StartupABC):
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@ -30,6 +32,8 @@ class Startup(StartupABC):
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db_settings: DatabaseSettings = self._configuration.get_configuration(DatabaseSettings)
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self._services.add_db_context(DBContext, db_settings)
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self._services.add_singleton(UserRepoABC, UserRepo)
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self._services.add_singleton(LoggerABC, Logger)
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return self._services.build_service_provider()
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|
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