{
  "kind": "open-flow-workflow",
  "version": 1,
  "name": "Negative Event Feedback to Mattermost",
  "content": {
    "modelVersion": 14,
    "document": {
      "bindings": {},
      "graph": {
        "nodes": {
          "n_ce9293f35ef828cd": {
            "name": "Receive event feedback",
            "kind": "integration",
            "config": {
              "formId": {
                "kind": "value",
                "value": "YOUR_TYPEFORM_FORM_ID"
              }
            },
            "definition": {
              "configInputs": [
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "maxLength": 128,
                    "title": "Form ID"
                  },
                  "nullable": false,
                  "handle": "formId"
                }
              ],
              "definitionVersion": 2,
              "description": "Receives complete Typeform submissions through an automatically managed signed webhook.",
              "displayName": "Completed Form Response",
              "key": "typeform.on_form_response",
              "name": "on_form_response",
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "object",
                    "properties": {
                      "eventId": {
                        "type": "string"
                      },
                      "form_id": {
                        "type": "string"
                      },
                      "token": {
                        "type": "string"
                      },
                      "submitted_at": {
                        "type": "string"
                      },
                      "answers": {
                        "type": "array",
                        "items": {
                          "type": "object"
                        }
                      },
                      "definition": {
                        "type": "object"
                      }
                    },
                    "required": [
                      "eventId",
                      "form_id",
                      "token",
                      "submitted_at",
                      "answers"
                    ]
                  },
                  "nullable": false,
                  "handle": "response"
                }
              ],
              "provider": "typeform",
              "type": "integration",
              "endpoint": {
                "body": {
                  "allowArray": false,
                  "allowEmpty": false,
                  "formats": [
                    "json"
                  ]
                },
                "methods": [
                  "POST"
                ],
                "successStatus": 200
              }
            }
          },
          "n_8a8b9c2da970fc7b": {
            "inputs": {
              "response": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_ce9293f35ef828cd",
                    "output": "response"
                  }
                ]
              },
              "questionTitle": {
                "kind": "value",
                "value": "What did you think about the event?"
              }
            },
            "name": "Read the event feedback answer",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "response"
                },
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
                  "handle": "questionTitle"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
                  "handle": "feedback"
                }
              ],
              "name": "Read the event feedback answer",
              "moduleId": "n_67079c7318749ee4",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
          },
          "n_d8317bcf3989771b": {
            "inputs": {
              "feedback": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_8a8b9c2da970fc7b",
                    "output": "feedback"
                  }
                ]
              },
              "region": {
                "kind": "value",
                "value": "us-east-1"
              },
              "languageCode": {
                "kind": "value",
                "value": "en"
              },
              "accessKeyId": {
                "kind": "unset"
              },
              "secretAccessKey": {
                "kind": "unset"
              },
              "sessionToken": {
                "kind": "unset"
              }
            },
            "name": "Sign the Comprehend request",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
                  "handle": "feedback"
                },
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
                  "handle": "region"
                },
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
                  "handle": "languageCode"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "accessKeyId"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "secretAccessKey"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": true,
                  "handle": "sessionToken"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "format": "uri"
                  },
                  "nullable": false,
                  "handle": "url"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": {
                      "type": "string"
                    }
                  },
                  "nullable": false,
                  "handle": "headers"
                },
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
                  "handle": "body"
                }
              ],
              "name": "Sign the Comprehend request",
              "moduleId": "n_057edb96a2c7cc6b",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
          },
          "n_98e8903d169e9500": {
            "inputs": {
              "url": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_d8317bcf3989771b",
                    "output": "url"
                  }
                ]
              },
              "headers": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_d8317bcf3989771b",
                    "output": "headers"
                  }
                ]
              },
              "body": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_d8317bcf3989771b",
                    "output": "body"
                  }
                ]
              }
            },
            "name": "Detect sentiment with Comprehend",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "url"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": {
                      "type": "string"
                    }
                  },
                  "nullable": true,
                  "handle": "headers"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "body"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {},
                  "nullable": true,
                  "handle": "body"
                },
                {
                  "jsonSchema": {
                    "type": "integer"
                  },
                  "nullable": false,
                  "handle": "statusCode"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": {
                      "type": "string"
                    }
                  },
                  "nullable": false,
                  "handle": "headers"
                }
              ],
              "name": "Detect sentiment with Comprehend",
              "executor": {
                "method": "POST",
                "query": {
                  "mode": "fields",
                  "names": []
                },
                "headers": {
                  "mode": "object",
                  "names": []
                },
                "bodyFormat": "text",
                "authentication": {
                  "type": "none"
                },
                "responseFormat": "json",
                "statusPolicy": "success",
                "kind": "http-request"
              }
            }
          },
          "n_15f8228d2bbab41f": {
            "inputs": {
              "assessment": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_98e8903d169e9500",
                    "output": "body"
                  }
                ]
              },
              "feedback": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_8a8b9c2da970fc7b",
                    "output": "feedback"
                  }
                ]
              }
            },
            "name": "Check the returned sentiment",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {},
                  "nullable": true,
                  "handle": "assessment"
                },
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
                  "handle": "feedback"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "assessment"
                },
                {
                  "jsonSchema": {
                    "type": "boolean"
                  },
                  "nullable": false,
                  "handle": "negative"
                },
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
                  "handle": "message"
                }
              ],
              "name": "Check the returned sentiment",
              "moduleId": "n_ea2fa9b4c52ab563",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
          },
          "n_526e2768810bf920": {
            "inputs": {},
            "name": "Notify for negative feedback",
            "kind": "condition",
            "matchMode": "first",
            "cases": [
              {
                "output": "negative",
                "groups": [
                  {
                    "expressions": [
                      {
                        "left": {
                          "kind": "source",
                          "source": {
                            "kind": "node",
                            "nodeId": "n_15f8228d2bbab41f",
                            "output": "negative"
                          }
                        },
                        "operator": "==",
                        "right": {
                          "kind": "value",
                          "value": true
                        }
                      }
                    ]
                  }
                ]
              }
            ]
          },
          "n_3717325ae0c9f0b8": {
            "inputs": {
              "channelId": {
                "kind": "value",
                "value": "YOUR_MATTERMOST_CHANNEL_ID"
              },
              "message": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_15f8228d2bbab41f",
                    "output": "message"
                  }
                ]
              },
              "props": {
                "kind": "value",
                "value": {
                  "attachments": []
                }
              }
            },
            "name": "Post the negative feedback",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "description": "A Mattermost object ID.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "A Mattermost object ID."
                  },
                  "nullable": false,
                  "handle": "channelId"
                },
                {
                  "description": "The Markdown message body to post.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "The Markdown message body to post."
                  },
                  "nullable": false,
                  "handle": "message"
                },
                {
                  "description": "Optional root post ID for replying in a thread.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "Optional root post ID for replying in a thread."
                  },
                  "nullable": true,
                  "handle": "rootId",
                  "value": null
                },
                {
                  "description": "Optional Mattermost post props object.",
                  "jsonSchema": {
                    "type": "object",
                    "properties": {},
                    "additionalProperties": true,
                    "description": "Optional Mattermost post props object."
                  },
                  "nullable": true,
                  "handle": "props",
                  "value": null
                }
              ],
              "outputs": [
                {
                  "description": "A Mattermost post object.",
                  "jsonSchema": {
                    "type": "object",
                    "properties": {},
                    "additionalProperties": true,
                    "description": "A Mattermost post object."
                  },
                  "nullable": false,
                  "handle": "post"
                },
                {
                  "description": "The raw Mattermost API JSON response.",
                  "jsonSchema": {
                    "description": "The raw Mattermost API JSON response."
                  },
                  "nullable": false,
                  "handle": "raw"
                }
              ],
              "name": "Post the negative feedback",
              "executor": {
                "kind": "connector",
                "action": "mattermost.create_post"
              }
            }
          },
          "n_4477edba915b6ecc": {
            "inputs": {
              "post": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_3717325ae0c9f0b8",
                    "output": "post"
                  }
                ]
              },
              "assessment": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_15f8228d2bbab41f",
                    "output": "assessment"
                  }
                ]
              }
            },
            "name": "Confirm the feedback post",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "object",
                    "properties": {},
                    "additionalProperties": true,
                    "description": "A Mattermost post object."
                  },
                  "nullable": false,
                  "handle": "post"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "assessment"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "boolean"
                  },
                  "nullable": false,
                  "handle": "posted"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "assessment"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "properties": {},
                    "additionalProperties": true,
                    "description": "A Mattermost post object."
                  },
                  "nullable": true,
                  "handle": "post"
                }
              ],
              "name": "Confirm the feedback post",
              "moduleId": "n_19f0a7ca712c806c",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
          },
          "n_ab581cf7815e3b19": {
            "inputs": {
              "assessment": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_15f8228d2bbab41f",
                    "output": "assessment"
                  }
                ]
              }
            },
            "name": "Keep nonnegative feedback silent",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "assessment"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "boolean"
                  },
                  "nullable": false,
                  "handle": "posted"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "assessment"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "properties": {},
                    "additionalProperties": true,
                    "description": "A Mattermost post object."
                  },
                  "nullable": true,
                  "handle": "post"
                }
              ],
              "name": "Keep nonnegative feedback silent",
              "moduleId": "n_a5ac59cffd4b9240",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
          },
          "n_792d82f93f643fb5": {
            "name": "Feedback notification result",
            "kind": "outputs",
            "outputDefs": [
              {
                "jsonSchema": {
                  "type": "boolean"
                },
                "nullable": false,
                "handle": "posted"
              },
              {
                "jsonSchema": {
                  "type": "object",
                  "additionalProperties": true
                },
                "nullable": false,
                "handle": "assessment"
              },
              {
                "jsonSchema": {
                  "type": "object",
                  "properties": {},
                  "additionalProperties": true,
                  "description": "A Mattermost post object."
                },
                "nullable": true,
                "handle": "post"
              }
            ],
            "outputMappings": {
              "posted": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_4477edba915b6ecc",
                    "output": "posted"
                  },
                  {
                    "kind": "node",
                    "nodeId": "n_ab581cf7815e3b19",
                    "output": "posted"
                  }
                ]
              },
              "assessment": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_4477edba915b6ecc",
                    "output": "assessment"
                  },
                  {
                    "kind": "node",
                    "nodeId": "n_ab581cf7815e3b19",
                    "output": "assessment"
                  }
                ]
              },
              "post": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_4477edba915b6ecc",
                    "output": "post"
                  },
                  {
                    "kind": "node",
                    "nodeId": "n_ab581cf7815e3b19",
                    "output": "post"
                  }
                ]
              }
            }
          }
        },
        "edges": [
          {
            "source": "n_ce9293f35ef828cd",
            "target": "n_8a8b9c2da970fc7b"
          },
          {
            "source": "n_8a8b9c2da970fc7b",
            "target": "n_d8317bcf3989771b"
          },
          {
            "source": "n_d8317bcf3989771b",
            "target": "n_98e8903d169e9500"
          },
          {
            "source": "n_98e8903d169e9500",
            "target": "n_15f8228d2bbab41f"
          },
          {
            "source": "n_15f8228d2bbab41f",
            "target": "n_526e2768810bf920"
          },
          {
            "source": "n_526e2768810bf920",
            "target": "n_ab581cf7815e3b19",
            "sourceHandle": "otherwise"
          },
          {
            "source": "n_526e2768810bf920",
            "target": "n_3717325ae0c9f0b8",
            "sourceHandle": "negative"
          },
          {
            "source": "n_3717325ae0c9f0b8",
            "target": "n_4477edba915b6ecc"
          },
          {
            "source": "n_4477edba915b6ecc",
            "target": "n_792d82f93f643fb5"
          },
          {
            "source": "n_ab581cf7815e3b19",
            "target": "n_792d82f93f643fb5"
          }
        ]
      }
    },
    "modules": {
      "n_67079c7318749ee4": {
        "name": "Read the event feedback answer",
        "imports": [],
        "source": "export default function typeformEventFeedback({ response, questionTitle }) {\n  if (!response || !Array.isArray(response.answers) || !Array.isArray(response.definition?.fields)) throw new Error('Expected a complete Typeform response');\n  if (typeof questionTitle !== 'string' || !questionTitle.trim()) throw new Error('Configure the feedback question title');\n  const fields = response.definition.fields.filter(field => field?.title === questionTitle);\n  if (fields.length !== 1 || typeof fields[0].id !== 'string' || !fields[0].id || response.definition.fields.filter(field => field?.id === fields[0].id).length !== 1) throw new Error('The feedback question title must identify one field');\n  const answers = response.answers.filter(answer => answer?.field?.id === fields[0].id);\n  if (answers.length !== 1 || answers[0].type !== 'text' || typeof answers[0].text !== 'string' || !answers[0].text.trim()) throw new Error('One nonblank text feedback answer is required');\n  return { feedback: answers[0].text };\n}\n"
      },
      "n_057edb96a2c7cc6b": {
        "name": "Sign the Comprehend request",
        "imports": [],
        "source": "import { createHash, createHmac } from 'node:crypto';\n\nexport default function comprehendSignedRequest({ feedback, region, languageCode, accessKeyId, secretAccessKey, sessionToken }) {\n  if (typeof feedback !== 'string' || !feedback.trim()) throw new Error('Feedback text is missing');\n  if (typeof region !== 'string' || !/^[a-z]{2}(?:-[a-z]+){1,2}-[0-9]+$/.test(region)) throw new Error('Configure a valid AWS region');\n  if (!['en', 'es', 'fr', 'de', 'it', 'pt', 'ar', 'hi', 'ja', 'ko', 'zh', 'zh-TW'].includes(languageCode)) throw new Error('Configure a supported Comprehend language code');\n  const required = (value, name) => { if (typeof value !== 'string' || !value.trim()) throw new Error('Select the AWS ' + name + ' secret Variable'); return value.trim(); };\n  const keyId = required(accessKeyId, 'access key ID'), secret = required(secretAccessKey, 'secret access key');\n  if (sessionToken != null && typeof sessionToken !== 'string') throw new Error('The AWS session token must be text');\n  const token = sessionToken?.trim() ?? '', service = 'comprehend', host = service + '.' + region + '.amazonaws.com' + (region.startsWith('cn-') ? '.cn' : '');\n  const body = JSON.stringify({ Text: feedback, LanguageCode: languageCode }), timestamp = new Date().toISOString().replace(/[:-]|\\.\\d{3}/g, ''), date = timestamp.slice(0, 8);\n  const headers = { 'content-type': 'application/x-amz-json-1.1', host, 'x-amz-date': timestamp, 'x-amz-target': 'Comprehend_20171127.DetectSentiment', ...(token ? { 'x-amz-security-token': token } : {}) };\n  const names = Object.keys(headers).sort(), signedHeaders = names.join(';'), canonicalHeaders = names.map(name => name + ':' + headers[name].trim().replace(/\\s+/g, ' ') + '\\n').join('');\n  const hash = value => createHash('sha256').update(value).digest('hex'), hmac = (key, value) => createHmac('sha256', key).update(value).digest();\n  const scope = date + '/' + region + '/' + service + '/aws4_request', canonical = ['POST', '/', '', canonicalHeaders, signedHeaders, hash(body)].join('\\n');\n  const toSign = ['AWS4-HMAC-SHA256', timestamp, scope, hash(canonical)].join('\\n');\n  const signingKey = hmac(hmac(hmac(hmac('AWS4' + secret, date), region), service), 'aws4_request'), signature = createHmac('sha256', signingKey).update(toSign).digest('hex');\n  delete headers.host;\n  headers.authorization = 'AWS4-HMAC-SHA256 Credential=' + keyId + '/' + scope + ', SignedHeaders=' + signedHeaders + ', Signature=' + signature;\n  return { url: 'https://' + host + '/', body, headers };\n}\n"
      },
      "n_ea2fa9b4c52ab563": {
        "name": "Check the returned sentiment",
        "imports": [],
        "source": "export default function comprehendFeedbackDecision({ assessment, feedback }) {\n  if (!assessment || typeof assessment !== 'object' || Array.isArray(assessment) || !['POSITIVE', 'NEGATIVE', 'NEUTRAL', 'MIXED'].includes(assessment.Sentiment)) throw new Error('Comprehend did not return a valid sentiment');\n  for (const name of ['Positive', 'Negative', 'Neutral', 'Mixed']) {\n    const score = assessment.SentimentScore?.[name];\n    if (typeof score !== 'number' || !Number.isFinite(score) || score < 0 || score > 1) throw new Error('Comprehend did not return a valid ' + name + ' confidence');\n  }\n  if (typeof feedback !== 'string' || !feedback.trim()) throw new Error('Original feedback text is missing');\n  return { assessment, negative: assessment.Sentiment === 'NEGATIVE', message: 'You got new feedback with a score of ' + assessment.SentimentScore.Negative + '. Here is what it says:' + feedback };\n}\n"
      },
      "n_19f0a7ca712c806c": {
        "name": "Confirm the feedback post",
        "imports": [],
        "source": "export default function mattermostFeedbackPosted({ post, assessment }) {\n  if (!post || typeof post !== 'object' || Array.isArray(post) || typeof post.id !== 'string' || !post.id.trim()) throw new Error('Mattermost did not return a saved post ID');\n  return { posted: true, assessment, post };\n}\n"
      },
      "n_a5ac59cffd4b9240": {
        "name": "Keep nonnegative feedback silent",
        "imports": [],
        "source": "export default function negativeFeedbackSkipped({ assessment }) {\n  return { posted: false, assessment, post: null };\n}\n"
      }
    }
  },
  "presentation": {
    "designer": {
      "version": 1,
      "flow": {
        "direction": "vertical"
      }
    }
  }
}