Initial commit: Shop Database Flask Application

Flask backend with Vue 3 frontend for shop floor machine management.
Includes database schema export for MySQL shopdb_flask database.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

shopdb/core/api/businessunits.py

@@ -0,0 +1,144 @@
+"""Business Units API endpoints - Full CRUD."""
+
+from flask import Blueprint, request
+from flask_jwt_extended import jwt_required
+
+from shopdb.extensions import db
+from shopdb.core.models import BusinessUnit
+from shopdb.utils.responses import (
+    success_response,
+    error_response,
+    paginated_response,
+    ErrorCodes
+)
+from shopdb.utils.pagination import get_pagination_params, paginate_query
+
+businessunits_bp = Blueprint('businessunits', __name__)
+
+
+@businessunits_bp.route('', methods=['GET'])
+@jwt_required(optional=True)
+def list_businessunits():
+    """List all business units."""
+    page, per_page = get_pagination_params(request)
+
+    query = BusinessUnit.query
+
+    if request.args.get('active', 'true').lower() != 'false':
+        query = query.filter(BusinessUnit.isactive == True)
+
+    if search := request.args.get('search'):
+        query = query.filter(
+            db.or_(
+                BusinessUnit.businessunit.ilike(f'%{search}%'),
+                BusinessUnit.code.ilike(f'%{search}%')
+            )
+        )
+
+    query = query.order_by(BusinessUnit.businessunit)
+
+    items, total = paginate_query(query, page, per_page)
+    data = [bu.to_dict() for bu in items]
+
+    return paginated_response(data, page, per_page, total)
+
+
+@businessunits_bp.route('/<int:bu_id>', methods=['GET'])
+@jwt_required(optional=True)
+def get_businessunit(bu_id: int):
+    """Get a single business unit."""
+    bu = BusinessUnit.query.get(bu_id)
+
+    if not bu:
+        return error_response(
+            ErrorCodes.NOT_FOUND,
+            f'Business unit with ID {bu_id} not found',
+            http_code=404
+        )
+
+    data = bu.to_dict()
+    data['parent'] = bu.parent.to_dict() if bu.parent else None
+    data['children'] = [c.to_dict() for c in bu.children]
+
+    return success_response(data)
+
+
+@businessunits_bp.route('', methods=['POST'])
+@jwt_required()
+def create_businessunit():
+    """Create a new business unit."""
+    data = request.get_json()
+
+    if not data or not data.get('businessunit'):
+        return error_response(ErrorCodes.VALIDATION_ERROR, 'businessunit is required')
+
+    if BusinessUnit.query.filter_by(businessunit=data['businessunit']).first():
+        return error_response(
+            ErrorCodes.CONFLICT,
+            f"Business unit '{data['businessunit']}' already exists",
+            http_code=409
+        )
+
+    bu = BusinessUnit(
+        businessunit=data['businessunit'],
+        code=data.get('code'),
+        description=data.get('description'),
+        parentid=data.get('parentid')
+    )
+
+    db.session.add(bu)
+    db.session.commit()
+
+    return success_response(bu.to_dict(), message='Business unit created', http_code=201)
+
+
+@businessunits_bp.route('/<int:bu_id>', methods=['PUT'])
+@jwt_required()
+def update_businessunit(bu_id: int):
+    """Update a business unit."""
+    bu = BusinessUnit.query.get(bu_id)
+
+    if not bu:
+        return error_response(
+            ErrorCodes.NOT_FOUND,
+            f'Business unit with ID {bu_id} not found',
+            http_code=404
+        )
+
+    data = request.get_json()
+    if not data:
+        return error_response(ErrorCodes.VALIDATION_ERROR, 'No data provided')
+
+    if 'businessunit' in data and data['businessunit'] != bu.businessunit:
+        if BusinessUnit.query.filter_by(businessunit=data['businessunit']).first():
+            return error_response(
+                ErrorCodes.CONFLICT,
+                f"Business unit '{data['businessunit']}' already exists",
+                http_code=409
+            )
+
+    for key in ['businessunit', 'code', 'description', 'parentid', 'isactive']:
+        if key in data:
+            setattr(bu, key, data[key])
+
+    db.session.commit()
+    return success_response(bu.to_dict(), message='Business unit updated')
+
+
+@businessunits_bp.route('/<int:bu_id>', methods=['DELETE'])
+@jwt_required()
+def delete_businessunit(bu_id: int):
+    """Delete (deactivate) a business unit."""
+    bu = BusinessUnit.query.get(bu_id)
+
+    if not bu:
+        return error_response(
+            ErrorCodes.NOT_FOUND,
+            f'Business unit with ID {bu_id} not found',
+            http_code=404
+        )
+
+    bu.isactive = False
+    db.session.commit()
+
+    return success_response(message='Business unit deleted')