Updated Service Metric API description

[sujata-m]

DevBoard Task

https://dev.azure.com/TDEI-UW/TDEI/_workitems/edit/1720

Changes Introduced

• Updated service metric description
• Added 400 status code
• Added project_group object in response.

Impacted Areas for Testing

• New api /api/v1/service-metrics/:project_group_id to be verified
  Sample API Response -

Success Response -

{
     "project_group": {
        "id": "Project Group ID",
        "name": "Project Group Name"
    },
    "services": [
        {
            "service_id": "48504101-4ccd-45fc-be9c-99fedb0d3b9b",
            "service_name": "SNOHOMISH COUNTY",
            "dataset_count": 1,
            "total_unzipped_size_mb": 2.92
        },
        {
            "service_id": "499e09db-c801-4c85-b77a-036bb339c82f",
            "service_name": "BALTIMORE COUNTY",
            "dataset_count": 1,
            "total_unzipped_size_mb": 24.78
        },
        {
            "service_id": "ce5de72a-fd1e-4320-9513-3c663acc13be",
            "service_name": "MULTNOMAH COUNTY",
            "dataset_count": 1,
            "total_unzipped_size_mb": 150.38
        },
        {
            "service_id": "d3ade021-78e9-4627-917c-b9bc25b07521",
            "service_name": "HARFORD COUNTY",
            "dataset_count": 1,
            "total_unzipped_size_mb": 45.49
        },
        {
            "service_id": "df4c6f39-8a32-4641-bd0f-a0d7a72d3c99",
            "service_name": "KING COUNTY",
            "dataset_count": 1,
            "total_unzipped_size_mb": 31.45
        },
        {
            "service_id": "e56cab99-af51-481f-b2e0-c1cde1ef9694",
            "service_name": "COLUMBIA COUNTY",
            "dataset_count": 1,
            "total_unzipped_size_mb": 0.98
        }
    ]
}

400 Response -

invalid input syntax for type uuid: "f6111128-5057-4293-8f81-a5529c703e0"

404 Response -

Project group with ID f6111128-5057-4293-8f81-a5529c703e01 does not exist.

500 Response -

Internal Server Error