feat: preliminary signal definition

Author: mariajgrimaldi

openedx_events/learning/signals.py

@@ -7,3 +7,69 @@
 They also must comply with the payload definition specified in
 docs/decisions/0003-events-payload.rst
 """
+
+from openedx_events.learning.data import (
+    CertificateData,
+    CohortData,
+    EnrollmentData,
+    RegistrationData,
+    StudentData,
+)
+from openedx_events.tooling import OpenEdxPublicSignal
+
+STUDENT_REGISTRATION_COMPLETED = OpenEdxPublicSignal(
+    event_type="org.openedx.learning.student.registration.completed.v1",
+    data={
+        "user": StudentData,
+        "registration": RegistrationData,
+    }
+)
+
+
+SESSION_LOGIN_COMPLETED = OpenEdxPublicSignal(
+    event_type="org.openedx.learning.student.registration.completed.v1",
+    data={
+        "user": StudentData,
+        "registration": RegistrationData,
+    }
+)
+
+
+COURSE_ENROLLMENT_CREATED = OpenEdxPublicSignal(
+    event_type="org.openedx.learning.course.enrollment.created.v1",
+    data={
+        "enrollment": EnrollmentData,
+    }
+)
+
+
+COURSE_ENROLLMENT_DEACTIVATED = OpenEdxPublicSignal(
+    event_type="org.openedx.learning.course.enrollment.deactivated.v1",
+    data={
+        "enrollment": EnrollmentData,
+    }
+)
+
+
+CERTIFICATE_CREATED = OpenEdxPublicSignal(
+    event_type="org.openedx.learning.certificate.created.v1",
+    data={
+        "certificate": CertificateData,
+    }
+)
+
+
+CERTIFICATE_CHANGED = OpenEdxPublicSignal(
+    event_type="org.openedx.learning.certificate.changed.v1",
+    data={
+        "certificate": CertificateData,
+    }
+)
+
+
+COHORT_MEMBERSHIP_CHANGED = OpenEdxPublicSignal(
+    event_type="org.openedx.learning.cohort_membership.changed.v1",
+    data={
+        "cohort": CohortData,
+    }
+)