flogo.json

{
  "name": "flogo-demo-services",
  "type": "flogo:app",
  "version": "0.0.1",
  "appModel": "1.0.0",
  "triggers": [
    {
      "id": "smiley_from_rest",
      "ref": "github.com/TIBCOSoftware/flogo-contrib/trigger/rest",
      "name": "Smiley from REST",
      "description": "Triggers the display of the selected smiley on the Raspberry Pi screen by a REST request.",
      "settings": {
        "port": 4445
      },
      "handlers": [
        {
          "action": {
            "ref": "github.com/TIBCOSoftware/flogo-contrib/action/flow",
            "data": {
              "flowURI": "res://flow:flogo_smiley_demo"
            },
            "mappings": {
              "input": [
                {
                  "mapTo": "smileyId",
                  "type": "assign",
                  "value": "$.pathParams.smileyId"
                }
              ],
              "output": [
                {
                  "mapTo": "code",
                  "type": "assign",
                  "value": "$.returnCode"
                }
              ]
            }
          },
          "settings": {
            "method": "GET",
            "path": "/v1/smiley/:smileyId"
          }
        }
      ]
    },
    {
      "id": "smiley_from_mqtt",
      "ref": "github.com/TIBCOSoftware/flogo-contrib/trigger/mqtt",
      "name": "Smiley from MQTT",
      "description": "Triggers the display of the selected smiley on the Raspberry Pi screen by a MQTT message.",
      "settings": {
        "broker": "$env[MQTT_BROKER]",
        "id": "$env[MQTT_ID]"
      },
      "handlers": [
        {
          "action": {
            "ref": "github.com/TIBCOSoftware/flogo-contrib/action/flow",
            "data": {
              "flowURI": "res://flow:flogo_smiley_demo"
            },
            "mappings": {
              "input": [
                {
                  "mapTo": "smileyId",
                  "type": "assign",
                  "value": "$.message"
                }
              ]
	    }
	  },
          "settings": {
            "topic": "demo"
          }
        }
      ]
    }
  ],
  "resources": [
    {
      "id": "flow:flogo_smiley_demo",
      "data": {
        "name": "Flogo Smiley Demo",
        "description": "This is a simple API to display smiley pictures on a screen of a Raspberry PI running a Flogo IoT application",
        "metadata": {
          "input": [
            {
              "name": "smileyId",
              "type": "string"
            },
            {
              "name": "smileyFile",
              "type": "string"
            }
          ],
          "output": [
            {
              "name": "returnCode",
              "type": "integer"
            }
          ]
        },
        "tasks": [
          {
            "id": "log_2",
            "name": "Log Smiley ID",
            "description": "Log the received smiley ID",
            "activity": {
              "ref": "github.com/TIBCOSoftware/flogo-contrib/activity/log",
              "input": {
                "flowInfo": "false",
                "addToFlow": "false"
              },
              "mappings": {
                "input": [
                  {
                    "type": "expression",
                    "value": "string.concat(\"Receive request with smiley id: \", $flow.smileyId)",
                    "mapTo": "message"
                  }
                ]
              }
            }
          },
          {
            "id": "log_3",
            "name": "Log Smiley Request",
            "description": "Log the request to send to the Raspberry Pi",
            "activity": {
              "ref": "github.com/TIBCOSoftware/flogo-contrib/activity/log",
              "input": {
                "flowInfo": "false",
                "addToFlow": "false"
              },
              "mappings": {
                "input": [
                  {
                    "type": "expression",
                    "value": "string.concat(\"Forwarding request to: http://\", $env.RPI_HOST, \":\", $env.RPI_PORT, \"/v1/smiley/\", $flow.smileyId)",
                    "mapTo": "message"
                  }
                ]
              }
            }
          },
          {
            "id": "rest_8",
            "name": "Invoke REST Service",
            "description": "Simple REST Activity",
            "activity": {
              "ref": "github.com/TIBCOSoftware/flogo-contrib/activity/rest",
              "input": {
                "method": "GET"
              },
              "mappings": {
                "input": [
                  {
                    "type": "expression",
                    "value": "string.concat(\"http://\", $env.RPI_HOST, \":\", $env.RPI_PORT, \"/v1/smiley/:smileyId\")",
                    "mapTo": "uri"
                  },
                  {
                    "type": "object",
                    "value": {
                      "smileyId": "{{$flow.smileyId}}"
                    },
                    "mapTo": "pathParams"
                  }
                ]
              }
            }
          },
          {
            "id": "actreply_7",
            "name": "Reply To Trigger",
            "description": "Send HTTP 200 status code",
            "activity": {
              "ref": "github.com/TIBCOSoftware/flogo-contrib/activity/actreply",
              "input": {
                "mappings": [
                  {
                    "mapTo": "returnCode",
                    "type": "literal",
                    "value": 200
                  }
                ]
              }
            }
          }
        ],
        "links": [
          {
            "from": "log_2",
            "to": "log_3"
          },
          {
            "from": "log_3",
            "to": "rest_8"
          },
          {
            "from": "rest_8",
            "to": "actreply_7"
          }
        ]
      }
    }
  ]
}