117 lines
3.5 KiB
Python
117 lines
3.5 KiB
Python
import uuid
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from account.models import User
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from connector.fields import ConnectorAuthJSONField
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from connector_auth.models import ConnectorAuth
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from connector_processor.connector_processor import ConnectorProcessor
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from connector_processor.constants import ConnectorKeys
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from django.db import models
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from project.models import Project
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from utils.models.base_model import BaseModel
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from workflow_manager.workflow.models import Workflow
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from backend.constants import FieldLengthConstants as FLC
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CONNECTOR_NAME_SIZE = 128
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VERSION_NAME_SIZE = 64
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class ConnectorInstance(BaseModel):
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class ConnectorType(models.TextChoices):
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INPUT = "INPUT", "Input"
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OUTPUT = "OUTPUT", "Output"
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class ConnectorMode(models.IntegerChoices):
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UNKNOWN = 0, "UNKNOWN"
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FILE_SYSTEM = 1, "FILE_SYSTEM"
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DATABASE = 2, "DATABASE"
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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connector_name = models.TextField(
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max_length=CONNECTOR_NAME_SIZE, null=False, blank=False
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)
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project = models.ForeignKey(
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Project,
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on_delete=models.CASCADE,
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related_name="project_connectors",
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null=True,
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blank=True,
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)
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workflow = models.ForeignKey(
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Workflow,
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on_delete=models.CASCADE,
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related_name="workflow_connectors",
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null=False,
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blank=False,
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)
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connector_id = models.CharField(
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max_length=FLC.CONNECTOR_ID_LENGTH, default=""
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)
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# TODO Required to be removed
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connector_metadata = ConnectorAuthJSONField(
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db_column="connector_metadata", null=False, blank=False, default=dict
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)
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connector_metadata_b = models.BinaryField(null=True)
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connector_version = models.CharField(
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max_length=VERSION_NAME_SIZE, default=""
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)
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connector_type = models.CharField(choices=ConnectorType.choices)
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connector_auth = models.ForeignKey(
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ConnectorAuth, on_delete=models.SET_NULL, null=True, blank=True
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)
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connector_mode = models.CharField(
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choices=ConnectorMode.choices,
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default=ConnectorMode.UNKNOWN,
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db_comment="0: UNKNOWN, 1: FILE_SYSTEM, 2: DATABASE",
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)
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created_by = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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related_name="created_connectors",
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null=True,
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blank=True,
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)
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modified_by = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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related_name="modified_connectors",
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null=True,
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blank=True,
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)
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def get_connector_metadata(self) -> dict[str, str]:
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"""Gets connector metadata and refreshes the tokens if needed in case
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of OAuth."""
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tokens_refreshed = False
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if self.connector_auth:
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(
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self.connector_metadata,
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tokens_refreshed,
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) = self.connector_auth.get_and_refresh_tokens()
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if tokens_refreshed:
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self.save()
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return self.connector_metadata
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@staticmethod
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def supportsOAuth(connector_id: str) -> bool:
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return bool(
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ConnectorProcessor.get_connector_data_with_key(
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connector_id, ConnectorKeys.OAUTH
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)
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)
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def __str__(self) -> str:
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return (
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f"Connector({self.id}, type{self.connector_type},"
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f" workflow: {self.workflow})"
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)
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class Meta:
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constraints = [
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models.UniqueConstraint(
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fields=["connector_name", "workflow", "connector_type"],
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name="unique_connector",
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),
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]
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