fix: make annoucement filed in speakers call nullable

app/api/schema/speakers_calls.py

@@ -54,7 +54,7 @@ def validate_date(self, data, original_data):
         #                               "speakers-call ends-at should be before event starts-at")
 
     id = fields.Str(dump_only=True)
-    announcement = fields.Str(required=True)
+    announcement = fields.Str(required=False)
     starts_at = fields.DateTime(required=True)
     ends_at = fields.DateTime(required=True)
     hash = fields.Str(allow_none=True)

app/models/speakers_call.py

@@ -9,7 +9,7 @@ class SpeakersCall(SoftDeletionModel):
 
     __tablename__ = 'speakers_calls'
     id = db.Column(db.Integer, primary_key=True)
-    announcement = db.Column(db.Text, nullable=False)
+    announcement = db.Column(db.Text, nullable=True)
     starts_at = db.Column(db.DateTime(timezone=True), nullable=False)
     ends_at = db.Column(db.DateTime(timezone=True), nullable=False)
     hash = db.Column(db.String, nullable=True)

migrations/versions/rev-2020-11-12-09:02:31-aa9daed401f7_.py

@@ -0,0 +1,32 @@
+"""empty message
+
+Revision ID: aa9daed401f7
+Revises: 5e7082330d80
+Create Date: 2020-11-12 09:02:31.174541
+
+"""
+
+from alembic import op
+import sqlalchemy as sa
+import sqlalchemy_utils
+
+
+# revision identifiers, used by Alembic.
+revision = 'aa9daed401f7'
+down_revision = '5e7082330d80'
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('speakers_calls', 'announcement',
+               existing_type=sa.TEXT(),
+               nullable=True)
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('speakers_calls', 'announcement',
+               existing_type=sa.TEXT(),
+               nullable=False)
+    # ### end Alembic commands ###