Endpoint to create DataSource

🛠️ Create DataSource

📋 Endpoints Required

• POST /api/v1/advocacy_groups/:id/data_sources/ — create resource

🗂️ Data Schema

Describe or paste the expected request/response shape below.

{
  name: string,
  description: string,
  url: string <optional>,
  tags: string[],
  allowAggregation: boolean
}

✅ Acceptance Criteria

• All endpoints return correct HTTP status codes
• Input validation is applied to request bodies and query params
• Errors return consistent, descriptive JSON responses
• Endpoints are protected by appropriate auth/authorization middleware
• Pagination supported on the list endpoint
• Unit tests cover each endpoint (happy path + error cases)
• Integration tests pass in CI
• OpenAPI / Swagger docs updated

🔒 Auth & Permissions

N/A

🔗 Related

💬 Additional Context

This Endpoint will require writing data into two tables: datasets.data_sources and advocacy_group_data_sources. The constructor for the latter junction table will be like this:

{
  advocacy_group_id: number,
  data_source_id: number
}

Start at the POST /api/v1/advocacy_groups/:id/data_sources/ entry point and inspect the existing models or migrations for datasets.data_sources and advocacy_group_data_sources. Check the endpoint's current tests and determine what remains for authorization, pagination, and OpenAPI documentation. Done means the required behavior, validation, error responses, permissions, tests, and documentation are complete.