[To Main / DESENG-578] Remove default taxon data (#2457)

* Remove default taxon data from the GDX tenant

CHANGELOG.MD

@@ -1,4 +1,8 @@
 ## April 10, 2024
+
+- **Task** Remove default taxa from GDX tenant [DESENG-578](https://apps.itsm.gov.bc.ca/jira/browse/DESENG-578)
+  - Removed the pre-populated taxon entries from the GDX tenant.
+  - With the power of the editor interface, tenants are now expected to create their own taxon entries.
 - **Task** Update contributing guide for developers [DESENG-475](https://apps.itsm.gov.bc.ca/jira/browse/DESENG-475)
 
 ## April 09, 2024

met-api/migrations/versions/e4d15a1af865_remove_default_taxon_data.py

@@ -0,0 +1,135 @@
+"""Remove default taxon data from GDX tenant
+
+Revision ID: e4d15a1af865
+Revises: f8bc8ce202f3
+Create Date: 2024-02-08 12:40:09.456210
+
+"""
+from alembic import op
+from sqlalchemy.sql import table, column
+from sqlalchemy import String, Integer, DateTime, Boolean, Text
+from datetime import datetime, timezone
+
+
+# revision identifiers, used by Alembic.
+revision = 'e4d15a1af865'
+down_revision = 'f8bc8ce202f3'
+branch_labels = None
+depends_on = None
+
+tenant_id = 1  # GDX tenant
+
+# ad-hoc table definition for metadata taxa so we can manipulate its data
+engagement_metadata_taxa_table = table(
+    'engagement_metadata_taxa',
+    column('id', Integer),
+    column('tenant_id', Integer),
+    column('name', String(64)),
+    column('description', String(256)),
+    column('freeform', Boolean),
+    column('data_type', String(64)),
+    column('default_value', Text),
+    column('one_per_engagement', Boolean),
+    column('position', Integer),
+    column('created_date', DateTime),
+    column('updated_date', DateTime),
+    column('created_by', String(50)),
+    column('updated_by', String(50)),
+)
+
+
+# Data to be removed (or inserted if downgrading)
+taxa_data = [
+    {
+        'position': 0,
+        'tenant_id': tenant_id,
+        'name': 'keywords',
+        'description': 'Keywords for categorizing the engagement',
+        'freeform': True,
+        'one_per_engagement': False,
+        'data_type': 'text',
+    },
+    {
+        'position': 1,
+        'tenant_id': tenant_id,
+        'name': 'description',
+        'description': 'Description of the engagement',
+        'freeform': True,
+        'data_type': 'long_text',
+        'one_per_engagement': True,
+    },
+    {
+        'position': 2,
+        'tenant_id': tenant_id,
+        'name': 'jira_ticket_url',
+        'description': 'URL of the Jira ticket for this engagement',
+        'freeform': True,
+        'data_type': 'text',
+        'one_per_engagement': True,
+    },
+    {
+        'position': 3,
+        'tenant_id': tenant_id,
+        'name': 'pmo_project_number',
+        'description': 'PMO project number',
+        'freeform': True,
+        'data_type': 'text',
+        'one_per_engagement': True,
+    },
+    {
+        'position': 4,
+        'tenant_id': tenant_id,
+        'name': 'engagement_category',
+        'description': 'Category of the engagement',
+        'data_type': 'text',
+        'freeform': False,
+        'one_per_engagement': False,
+    },
+    {
+        'position': 5,
+        'tenant_id': tenant_id,
+        'name': 'engagement_method',
+        'description': 'Method of engagement',
+        'data_type': 'text',
+        'default_value': "Survey",
+        'freeform': False,
+        'one_per_engagement': False,
+    },
+    {
+        'position': 6,
+        'tenant_id': tenant_id,
+        'name': 'language',
+        'description': 'Language of the engagement',
+        'data_type': 'text',
+        'default_value': "English",
+        'freeform': False,
+        'one_per_engagement': False,
+    },
+    {
+        'position': 7,
+        'tenant_id': tenant_id,
+        'name': 'ministry',
+        'description': 'Ministry of the engagement',
+        'freeform': False,
+        'data_type': 'text',
+        'one_per_engagement': True,
+    },
+]
+
+
+def upgrade():
+    for taxa in taxa_data:
+        op.execute(
+            engagement_metadata_taxa_table.delete().where(
+                engagement_metadata_taxa_table.c.name == taxa['name']
+            )
+        )
+
+
+def downgrade():
+    for taxa in taxa_data:
+        taxa['created_date'] = datetime.now(timezone.utc)
+        taxa['updated_date'] = datetime.now(timezone.utc)
+
+    # Perform bulk insert
+    op.bulk_insert(engagement_metadata_taxa_table, taxa_data)