New task_log model with schema, and migration

crc/models/task_log.py

@@ -0,0 +1,23 @@
+from crc import db, ma
+from crc.models.study import StudyModel
+from crc.models.workflow import WorkflowModel
+from sqlalchemy import func
+
+
+class TaskLogModel(db.Model):
+    __tablename__ = 'task_log'
+    id = db.Column(db.Integer, primary_key=True)
+    level = db.Column(db.String)
+    code = db.Column(db.String)
+    message = db.Column(db.String)
+    study_id = db.Column(db.Integer, db.ForeignKey(StudyModel.id), nullable=False)
+    workflow_id = db.Column(db.Integer, db.ForeignKey(WorkflowModel.id), nullable=False)
+    task = db.Column(db.String)
+    timestamp = db.Column(db.DateTime(timezone=True), default=func.now())
+
+
+class TaskLogModelSchema(ma.Schema):
+
+    class Meta:
+        model = TaskLogModel
+        fields = ["id", "level", "code", "message", "study_id", "workflow_id", "timestamp"]

migrations/versions/a4f87f90cc64_add_log_table.py

@@ -0,0 +1,36 @@
+"""add log table
+
+Revision ID: a4f87f90cc64
+Revises: ba6df7e560a1
+Create Date: 2021-10-27 10:54:40.233325
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'a4f87f90cc64'
+down_revision = 'ba6df7e560a1'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table('task_log',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('level', sa.String(), nullable=True),
+    sa.Column('code', sa.String(), nullable=True),
+    sa.Column('message', sa.String(), nullable=True),
+    sa.Column('study_id', sa.Integer(), nullable=False),
+    sa.Column('workflow_id', sa.Integer(), nullable=False),
+    sa.Column('task', sa.String(), nullable=True),
+    sa.Column('timestamp', sa.DateTime(timezone=True), nullable=True),
+    sa.ForeignKeyConstraint(['study_id'], ['study.id'], ),
+    sa.ForeignKeyConstraint(['workflow_id'], ['workflow.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+
+
+def downgrade():
+    op.drop_table('task_log')