RESTful Service to list configured Attribute Sets

[gunterze]

Related: #812
swagger.json

{
    "/attribute-set/{type}": {
      "get": {
        "tags": [
          "CONFIG-RS"
        ],
        "summary": "Get Attribute Set",
        "operationId": "getAttributeSet",
        "produces": [
          "application/json"
        ],
        "parameters": [
          {
            "name": "type",
            "in": "path",
            "description": "type of Attribute Sets to return",
            "required": true,
            "type": "string",
            "enum": [
              "DIFF_RS",
              "WADO_RS"
            ]
          }
        ],
        "responses": {
          "200": {
            "description": "successful operation",
            "schema": {
              "$ref": "attributeSets.schema.json"
            }
          },
          "default": {
            "description": "unexpected error"
          }
        }
      }
    }
}

attributeSets.schema.json

{
  "title": "Attribute Sets",
  "type": "array",
  "items": {
    "required": [
      "type",
      "id"
    ],
    "properties": {
      "type": {
        "title": "Attribute Set Type",
        "description": "Specifies if this Attribute Set is used by Query Parameter 'comparefield' of DIFF-RS or by Query Parameter 'includefields' of WADO-RS requests.",
        "type": "string",
        "enum": [
          "DIFF_RS",
          "WADO_RS"
        ]
      },
      "id": {
        "title": "Attribute Set ID",
        "description": "ID used by Query Parameter 'comparefield' of DIFF-RS requests and by Query Parameter 'includefields' of WADO-RS Metadata requests to refer this Attribute Set.",
        "type": "string"
      },
      "title": {
        "title": "Attribute Set Title",
        "description": "Title of this Attribute Set.",
        "type": "string"
      },
      "description": {
        "title": "Attribute Set Description",
        "description": "Unconstrained text description of this Attribute Set",
        "type": "string"
      }
    }
  }
}

[gunterze]

• rename Attribute Set property name -> id
• return added Attribute Set property title
• remove not installed from returned list of attribute sets
• order list of Attribute Sets by its number