feat: Add enterprise signal for learner credit fulfillment revokation

ENT-9213

openedx_events/enterprise/data.py

@@ -94,3 +94,66 @@ class LedgerTransaction(BaseLedgerTransaction):
     parent_content_key = attr.ib(type=str, default=None)
     fulfillment_identifier = attr.ib(type=str, default=None)
     reversal = attr.ib(type=LedgerTransactionReversal, default=None)
+
+
+@attr.s(frozen=True)
+class EnterpriseCustomerUser:
+    """
+    Defines the common attributes of enterprise fulfillment classes.
+    """
+    id = attr.ib(type=int)
+    created = attr.ib(type=datetime)
+    modified = attr.ib(type=datetime)
+    enterprise_customer_uuid = attr.ib(type=UUID)
+    user_id = attr.ib(type=int)
+    active = attr.ib(type=bool)
+    linked = attr.ib(type=bool)
+    is_relinkable = attr.ib(type=bool)
+    invite_key = attr.ib(type=UUID)
+    should_inactivate_other_customers = attr.ib(type=bool)
+
+
+@attr.s(frozen=True)
+class EnterpriseCourseEnrollment:
+    """
+    Defines the common attributes of enterprise fulfillment classes.
+    """
+    id = attr.ib(type=int)
+    created = attr.ib(type=datetime)
+    modified = attr.ib(type=datetime)
+    enterprise_customer_user = attr.ib(type=EnterpriseCustomerUser, default=None)
+    course_id = attr.ib(type=CourseKey)
+    saved_for_later = attr.ib(type=bool)
+    source_slug = attr.ib(type=str)
+    unenrolled = attr.ib(type=bool)
+    unenrolled_at = attr.ib(type=datetime)
+
+
+@attr.s(frozen=True)
+class BaseEnterpriseFulfillment:
+    """
+    Defines the common attributes of enterprise fulfillment classes.
+    """
+    uuid = attr.ib(type=UUID)
+    created = attr.ib(type=datetime)
+    modified = attr.ib(type=datetime)
+    fulfillment_type = attr.ib(type=str)
+    enterprise_course_entitlement_uuid = attr.ib(type=UUID)
+    enterprise_course_enrollment = attr.ib(type=EnterpriseCourseEnrollment, default=None)
+    is_revoked = attr.ib(type=bool)
+
+
+@attr.s(frozen=True)
+class EnterpriseLearnerCreditFulfillment(BaseEnterpriseFulfillment):
+    """
+    Attributes of an ``enterprise.LearnerCreditEnterpriseCourseEnrollment`` record.
+    """
+    transaction_id = attr.ib(type=UUID)
+
+
+@attr.s(frozen=True)
+class EnterpriseLicensedFulfillment(BaseEnterpriseFulfillment):
+    """
+    Attributes of an ``enterprise.LicensedEnterpriseCourseEnrollment`` record.
+    """
+    license_uuid = attr.ib(type=UUID)

openedx_events/enterprise/signals.py

@@ -8,7 +8,7 @@
 docs/decisions/0003-events-payload.rst
 """
 
-from openedx_events.enterprise.data import LedgerTransaction, SubsidyRedemption
+from openedx_events.enterprise.data import LedgerTransaction, SubsidyRedemption, EnterpriseLearnerCreditFulfillment
 from openedx_events.tooling import OpenEdxPublicSignal
 
 # .. event_type: org.openedx.enterprise.subsidy.redeemed.v1
@@ -84,3 +84,16 @@
         "ledger_transaction": LedgerTransaction,
     }
 )
+
+
+# .. event_type: org.openedx.enterprise.learner_credit_fulfillment.revoked.v1
+# .. event_name: LEARNER_CREDIT_FULFILMENT_REVOKED
+# .. event_description: emitted when a LearnerCreditEnterpriseCourseEnrollment is revoked. This most often happens when
+#      an enterprise learner unenrolls from an LC-subsidized course enrollment.
+# .. event_data: LedgerTransaction
+LEARNER_CREDIT_FULFILLMENT_REVOKED = OpenEdxPublicSignal(
+    event_type="org.openedx.enterprise.learner_credit_fulfillment.revoked.v1",
+    data={
+        "learner_credit_fulfillment": EnterpriseLearnerCreditFulfillment,
+    }
+)