ȴh!SrSSKrSSKJr SSKJr SSKJr "SS\R5r "SS \R5r "S S \R5r "S S \R5r "SS\R5r g)a" Core Models for Stream Processor Application This module contains abstract base models and shared functionality that is used across multiple applications in the Stream Processor project. These models provide common fields and methods that promote consistency and reduce code duplication. N)models)timezone)Userc^\rSrSrSr\R "SSS9r\R "SSS9r"SS 5r U4S jr S r U=r $) TimestampedModelaw Abstract base model that provides timestamp fields. This model adds created_at and updated_at fields to any model that inherits from it. These fields are automatically managed and provide audit trail capabilities. Attributes: created_at (DateTimeField): Timestamp when the record was created updated_at (DateTimeField): Timestamp when the record was last modified Tz&Timestamp when this record was created) auto_now_add help_textz,Timestamp when this record was last modified)auto_nowr c\rSrSrSrSrg)TimestampedModel.Meta)TN__name__ __module__ __qualname____firstlineno__abstract__static_attributes__r[R"5Ul[TU]"U0UD6 g)aj Override save method to ensure updated_at is always current. This method ensures that the updated_at field is always set to the current timestamp when a record is saved, regardless of whether it's a new record or an update. Args: *args: Variable length argument list for parent save method **kwargs: Arbitrary keyword arguments for parent save method N)rnow updated_atsupersave)selfargskwargs __class__s rrTimestampedModel.save-s##,,.  d%f%r)r) rrrr__doc__r DateTimeField created_atrrrr __classcell__)r#s@rrrsL %%:J %%@J &&rrcf\rSrSrSr\R "S\RSSS9r "SS5r S r g ) UUIDModel?a1 Abstract base model that provides UUID primary key. This model uses UUID as the primary key instead of the default auto-incrementing integer. UUIDs are useful for distributed systems and provide better security by making IDs unpredictable. Attributes: id (UUIDField): Primary key using UUID format TFz!Unique identifier for this record) primary_keydefaulteditabler c\rSrSrSrSrg)UUIDModel.MetaSTrNrrrrrr0SrrrrN) rrrrr%r UUIDFielduuiduuid4idrrrrrr*r*?s3     5  Brr*cl\rSrSrSr\R "\\RSSS9r "SS5r Sr S r g ) UserOwnedModelXa@ Abstract base model for records that belong to a specific user. This model adds a foreign key relationship to the User model, allowing records to be associated with specific users. It also provides utility methods for checking ownership. Attributes: owner (ForeignKey): Reference to the User who owns this record z %(class)s_setzUser who owns this record) on_delete related_namer c\rSrSrSrSrg)UserOwnedModel.MetalTrNrrrrrr<lrrrc URU:H$)a- Check if this record is owned by the specified user. This method provides a convenient way to check ownership of a record, which is useful for permission checking. Args: user (User): The user to check ownership against Returns: bool: True if the user owns this record, False otherwise )owner)r users r is_owned_byUserOwnedModel.is_owned_bypszzT!!rrN) rrrrr%r ForeignKeyrCASCADEr?rrArrrrr7r7Xs8     ..$-  E "rr7ct\rSrSrSr/SQr\R"S\SSSS9r"S S 5r S r S r S r Sr Srg) StatusModelz Abstract base model that provides status tracking. This model adds status field with common status choices that can be used across different types of records. Attributes: status (CharField): Current status of the record ))activeActive)inactiveInactive)pendingPending) processing Processing) completed Completed)failedFailed) cancelled CancelledrLTzCurrent status of this record) max_lengthchoicesr-db_indexr c\rSrSrSrSrg)StatusModel.MetaTrNrrrrrr[rrrc URS:H$)zl Check if this record has an active status. Returns: bool: True if status is 'active', False otherwise rHstatusr s r is_activeStatusModel.is_active{{h&&rc URS:H$)zx Check if this record is currently being processed. Returns: bool: True if status is 'processing', False otherwise rNr^r`s r is_processingStatusModel.is_processings{{l**rc URS:H$)zs Check if this record has completed processing. Returns: bool: True if status is 'completed', False otherwise rPr^r`s r is_completedStatusModel.is_completeds{{k))rc URS:H$)zm Check if this record has failed processing. Returns: bool: True if status is 'failed', False otherwise rRr^r`s r is_failedStatusModel.is_failedrcrrN)rrrrr%STATUS_CHOICESr CharFieldr_rrarerhrkrrrrrFrFsMN  1 F'+*'rrFc\rSrSrSr\R "SSSSS9r\R"SS9r \R"SS S 9r \R"SSS S 9r "S S5r Sr\SSj5rSrg)ConfigurationModela Abstract base model for configuration records. This model provides a structure for storing configuration key-value pairs with metadata about when they were created and last modified. Attributes: key (CharField): Configuration key identifier value (TextField): Configuration value (can store JSON) description (TextField): Human-readable description of the setting is_active (BooleanField): Whether this configuration is active dTz0Unique identifier for this configuration setting)rWuniquerYr z2Configuration value (can be JSON for complex data))r z3Description of what this configuration setting does)blankr z,Whether this configuration setting is active)r-rYr c\rSrSrSrS/rSrg)ConfigurationModel.MetaTkeyrN)rrrrrorderingrrrrrrvs7rrcUR$)zj String representation of the configuration. Returns: str: Configuration key for easy identification )rxr`s r__str__ConfigurationModel.__str__s xxrNcURRUSS9nUR$!URa Us$f=f)aK Get configuration value by key with optional default. This class method provides a convenient way to retrieve configuration values with fallback to default values. Args: key (str): Configuration key to look up default: Default value if key is not found Returns: str: Configuration value or default if not found T)rxra)objectsgetvalue DoesNotExist)clsrxr-configs rget_config_value#ConfigurationModel.get_config_valuesA [[___=F<<  N s %(==r)N)rrrrr%rrnrx TextFieldr description BooleanFieldrarr{ classmethodrrrrrrprps    D  C   F E ""GK ##@I  rrp)r%r3 django.dbr django.utilsrdjango.contrib.auth.modelsrModelrr*r7rFrprrrrso !+,&v||,&^ 2%"V\\%"PE'&,,E'PKKr