{
	"ownerApp" : "Orchestrator",
	"name" : "user-group-role_created",
	"createBy" : "Marco Lettere",
	"description": "Handle workflow related to Portal event user-group-role_created",
	"version" : 1,
	"ownerEmail" : "m.lettere@gmail.com",
	"inputParameters" : ["role", "user", "group"],
	"tasks" : [
		{
			"name": "LAMBDA_TASK",
			"taskReferenceName": "init",
			"type": "LAMBDA",
			"inputParameters": {
				"keycloak": "{{ keycloak }}",
				"keycloak_admin" : "{{ keycloak_admin }}",
				"scriptExpression": "1"
			}
		},
		{
			"name" : "pyrest",
			"taskReferenceName" : "authorize",
			"type" : "SIMPLE",
			"inputParameters" : {
				"url" : "${init.input.keycloak}/protocol/openid-connect/token",
				"method" : "POST",
				"headers" : {
					"Accept" : "application/json"
				},
				"body" : {
					"client_id" : "orchestrator", 
					"client_secret" : "{{ keycloak_auth }}",
					"grant_type" : "client_credentials"
				}
			}
		},
		{
			"name" : "pyrest",
			"taskReferenceName" : "lookup_user",
			"type" : "SIMPLE",
			"inputParameters" : {
				"url" : "${init.input.keycloak_admin}/users?username=${workflow.input.user}",
				"method" : "GET",
				"headers" : {
					"Authorization" : "Bearer ${authorize.output.body.access_token}",
					"Accept" : "application/json"
				}
			}
		},
		{
                        "name": "check_user_existance",
                        "taskReferenceName": "check_user_existance",
                        "inputParameters": {
                                "user": "${lookup_user.output.body[0]}"
                        },
                        "type": "DECISION",
                        "caseExpression": "($.user == null ? 'true' : 'false')",
                        "decisionCases": {
                                "true": [
                                        {
                                                "name" : "terminate",
                                                "taskReferenceName" : "terminate_when_no_user",
                                                "type" : "TERMINATE",
                                                "inputParameters" : {
                                                        "terminationStatus" : "COMPLETED"
                                                }
                                        }
                                ]
                        }
                },
		{
			"name" : "pyrest",
			"taskReferenceName" : "lookup_client",
			"type" : "SIMPLE",
			"inputParameters" : {
				"url" : "${init.input.keycloak_admin}/clients",
				"params" : { "clientId" : "${workflow.input.group}"},
				"method" : "GET",
				"headers" : {
					"Authorization" : "Bearer ${authorize.output.body.access_token}",
					"Accept" : "application/json"
				}
			}
		},
		{
			"name" : "pyrest",
			"taskReferenceName" : "get_client_roles",
			"type" : "SIMPLE",
			"inputParameters" : {
				"url" : "${init.input.keycloak_admin}/clients/${lookup_client.output.body[0].id}/roles",
				"method" : "GET",
				"expect" : [200,404],
				"headers" : {
					"Authorization" : "Bearer ${authorize.output.body.access_token}",
					"Accept" : "application/json"
				}
			}
		},
		{
			"name": "check_task",
			"taskReferenceName": "check",
			"inputParameters": {
				"prev_status": "${get_client_roles.output.status}"
			},
			"type": "DECISION",
			"caseValueParam": "prev_status",
			"decisionCases": {
				"200": [
					{
					"name": "LAMBDA_TASK",
					"taskReferenceName": "select_role",
					"type": "LAMBDA",
					"inputParameters": {
						"role": "${workflow.input.role}",
						"roles" : "${get_client_roles.output.body}",
						"scriptExpression": "for(var i=0; i < $.roles.length;i++){if($.roles[i]['name'] == $.role) return Java.to([$.roles[i]], 'java.lang.Object[]')}"
						}
					},
					{
						"name" : "pyrest",
						"taskReferenceName" : "assign_role_to_user",
						"type" : "SIMPLE",
						"inputParameters" : {
							"url" : "${init.input.keycloak_admin}/users/${lookup_user.output.body[0].id}/role-mappings/clients/${lookup_client.output.body[0].id}",
							"expect" : [204, 404],
							"method" : "POST",
							"body" : "${select_role.output.result}",
							"headers" : {
								"Authorization" : "Bearer ${authorize.output.body.access_token}",
								"Content-Type" : "application/json"
							}
						}
					}	
				]
			}
		}
	]
}