{
  "kind": "open-flow-workflow",
  "version": 1,
  "name": "Email Trending Show HN Stories",
  "content": {
    "modelVersion": 14,
    "document": {
      "bindings": {},
      "graph": {
        "nodes": {
          "n_6a84493d0baffba6": {
            "name": "Every day at 13:00 UTC",
            "kind": "cron",
            "cronTimes": [
              {
                "type": "cron",
                "expression": "0 13 * * *",
                "timezone": "UTC"
              }
            ]
          },
          "n_027244151273b1dd": {
            "inputs": {
              "url": {
                "kind": "value",
                "value": "https://news.ycombinator.com/"
              },
              "extractRules": {
                "kind": "value",
                "value": {
                  "stories": {
                    "selector": "tr.athing",
                    "type": "list",
                    "output": {
                      "rank": ".rank",
                      "title": ".titleline > a",
                      "url": {
                        "selector": ".titleline > a",
                        "output": "@href"
                      }
                    }
                  }
                }
              },
              "renderJs": {
                "kind": "value",
                "value": false
              },
              "transparentStatusCode": {
                "kind": "value",
                "value": true
              }
            },
            "name": "Read Hacker News front page",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "description": "The public URL to extract data from with ScrapingBee.",
                  "jsonSchema": {
                    "type": "string",
                    "format": "uri",
                    "description": "The public URL to extract data from with ScrapingBee."
                  },
                  "nullable": false,
                  "handle": "url"
                },
                {
                  "description": "The extraction rules object serialized into the extract_rules query parameter.",
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": {
                      "description": "A JSON-compatible value used in ScrapingBee extraction rules or responses."
                    },
                    "description": "The extraction rules object serialized into the extract_rules query parameter."
                  },
                  "nullable": false,
                  "handle": "extractRules"
                },
                {
                  "description": "Whether ScrapingBee should render JavaScript before returning the page.",
                  "jsonSchema": {
                    "type": "boolean",
                    "description": "Whether ScrapingBee should render JavaScript before returning the page."
                  },
                  "nullable": true,
                  "handle": "renderJs",
                  "value": null
                },
                {
                  "description": "How many milliseconds ScrapingBee should wait before returning the page.",
                  "jsonSchema": {
                    "type": "integer",
                    "minimum": 0,
                    "description": "How many milliseconds ScrapingBee should wait before returning the page."
                  },
                  "nullable": true,
                  "handle": "waitMs",
                  "value": null
                },
                {
                  "description": "The CSS selector ScrapingBee should wait for before returning the page.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "The CSS selector ScrapingBee should wait for before returning the page."
                  },
                  "nullable": true,
                  "handle": "waitFor",
                  "value": null
                },
                {
                  "description": "The device preset used for the request.",
                  "jsonSchema": {
                    "type": "string",
                    "enum": [
                      "desktop",
                      "mobile"
                    ],
                    "description": "The device preset used for the request."
                  },
                  "nullable": true,
                  "handle": "device",
                  "value": null
                },
                {
                  "description": "Whether ScrapingBee should block ads on the page.",
                  "jsonSchema": {
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                    "description": "Whether ScrapingBee should block ads on the page."
                  },
                  "nullable": true,
                  "handle": "blockAds",
                  "value": null
                },
                {
                  "description": "Whether ScrapingBee should block images and CSS resources.",
                  "jsonSchema": {
                    "type": "boolean",
                    "description": "Whether ScrapingBee should block images and CSS resources."
                  },
                  "nullable": true,
                  "handle": "blockResources",
                  "value": null
                },
                {
                  "description": "The two-letter country code used for request geolocation.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 2,
                    "maxLength": 2,
                    "description": "The two-letter country code used for request geolocation."
                  },
                  "nullable": true,
                  "handle": "countryCode",
                  "value": null
                },
                {
                  "description": "Whether ScrapingBee should use premium proxy routing.",
                  "jsonSchema": {
                    "type": "boolean",
                    "description": "Whether ScrapingBee should use premium proxy routing."
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                  "nullable": true,
                  "handle": "premiumProxy",
                  "value": null
                },
                {
                  "description": "Whether ScrapingBee should use stealth proxy routing.",
                  "jsonSchema": {
                    "type": "boolean",
                    "description": "Whether ScrapingBee should use stealth proxy routing."
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                  "nullable": true,
                  "handle": "stealthProxy",
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                },
                {
                  "description": "Whether ScrapingBee should return the target page status code transparently.",
                  "jsonSchema": {
                    "type": "boolean",
                    "description": "Whether ScrapingBee should return the target page status code transparently."
                  },
                  "nullable": true,
                  "handle": "transparentStatusCode",
                  "value": null
                },
                {
                  "description": "How many times ScrapingBee should retry the request on failure.",
                  "jsonSchema": {
                    "type": "integer",
                    "exclusiveMinimum": 0,
                    "description": "How many times ScrapingBee should retry the request on failure."
                  },
                  "nullable": true,
                  "handle": "retry",
                  "value": null
                }
              ],
              "outputs": [
                {
                  "description": "The structured data object returned by ScrapingBee extract_rules.",
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": {
                      "description": "A JSON-compatible value used in ScrapingBee extraction rules or responses."
                    },
                    "description": "The structured data object returned by ScrapingBee extract_rules."
                  },
                  "nullable": false,
                  "handle": "data"
                },
                {
                  "description": "The HTTP status code returned by ScrapingBee.",
                  "jsonSchema": {
                    "type": "integer",
                    "description": "The HTTP status code returned by ScrapingBee."
                  },
                  "nullable": false,
                  "handle": "statusCode"
                },
                {
                  "description": "The final resolved URL reported by ScrapingBee.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "The final resolved URL reported by ScrapingBee."
                  },
                  "nullable": true,
                  "handle": "resolvedUrl"
                },
                {
                  "description": "The request credit cost reported by ScrapingBee.",
                  "jsonSchema": {
                    "type": "number",
                    "description": "The request credit cost reported by ScrapingBee."
                  },
                  "nullable": true,
                  "handle": "creditCost"
                }
              ],
              "name": "Read Hacker News front page",
              "executor": {
                "kind": "connector",
                "action": "scrapingbee.extract_data"
              }
            }
          },
          "n_f854ad462fe3982a": {
            "inputs": {
              "data": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_027244151273b1dd",
                    "output": "data"
                  }
                ]
              },
              "statusCode": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_027244151273b1dd",
                    "output": "statusCode"
                  }
                ]
              }
            },
            "name": "Select and format Show HN stories",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": {
                      "description": "A JSON-compatible value used in ScrapingBee extraction rules or responses."
                    },
                    "description": "The structured data object returned by ScrapingBee extract_rules."
                  },
                  "nullable": false,
                  "handle": "data"
                },
                {
                  "jsonSchema": {
                    "type": "integer",
                    "description": "The HTTP status code returned by ScrapingBee."
                  },
                  "nullable": false,
                  "handle": "statusCode"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "boolean"
                  },
                  "nullable": false,
                  "handle": "hasStories"
                },
                {
                  "jsonSchema": {
                    "type": "string",
                    "description": "The plain text email body."
                  },
                  "nullable": true,
                  "handle": "text"
                }
              ],
              "name": "Select and format Show HN stories",
              "moduleId": "n_ea45e95d6caa1ff9",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
          },
          "n_bb3108aa8a033db5": {
            "inputs": {},
            "name": "Any Show HN stories?",
            "kind": "condition",
            "matchMode": "first",
            "cases": [
              {
                "output": "yes",
                "groups": [
                  {
                    "expressions": [
                      {
                        "left": {
                          "kind": "source",
                          "source": {
                            "kind": "node",
                            "nodeId": "n_f854ad462fe3982a",
                            "output": "hasStories"
                          }
                        },
                        "operator": "isTrue"
                      }
                    ]
                  }
                ]
              }
            ]
          },
          "n_b51d64433025fdd0": {
            "inputs": {
              "to": {
                "kind": "value",
                "value": [
                  "you@example.com"
                ]
              },
              "subject": {
                "kind": "value",
                "value": "Trending Show HN"
              },
              "text": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_f854ad462fe3982a",
                    "output": "text"
                  }
                ]
              }
            },
            "name": "Email the digest",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "description": "The primary recipient email addresses.",
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "string",
                      "minLength": 1,
                      "format": "email",
                      "description": "An email address."
                    },
                    "minItems": 1,
                    "description": "The primary recipient email addresses."
                  },
                  "nullable": false,
                  "handle": "to"
                },
                {
                  "description": "The carbon-copy recipient email addresses.",
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "string",
                      "minLength": 1,
                      "format": "email",
                      "description": "An email address."
                    },
                    "minItems": 1,
                    "description": "The carbon-copy recipient email addresses."
                  },
                  "nullable": true,
                  "handle": "cc",
                  "value": null
                },
                {
                  "description": "The blind-carbon-copy recipient email addresses.",
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "string",
                      "minLength": 1,
                      "format": "email",
                      "description": "An email address."
                    },
                    "minItems": 1,
                    "description": "The blind-carbon-copy recipient email addresses."
                  },
                  "nullable": true,
                  "handle": "bcc",
                  "value": null
                },
                {
                  "description": "An email address.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "format": "email",
                    "description": "An email address."
                  },
                  "nullable": true,
                  "handle": "replyTo",
                  "value": null
                },
                {
                  "description": "The email subject.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "The email subject."
                  },
                  "nullable": false,
                  "handle": "subject"
                },
                {
                  "description": "The plain text email body.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "The plain text email body."
                  },
                  "nullable": true,
                  "handle": "text",
                  "value": null
                },
                {
                  "description": "The HTML email body.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "The HTML email body."
                  },
                  "nullable": true,
                  "handle": "html",
                  "value": null
                },
                {
                  "description": "Attachments to fetch and include in the outgoing email.",
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "object",
                      "properties": {
                        "filename": {
                          "type": "string",
                          "minLength": 1,
                          "description": "The filename to use for the outgoing attachment."
                        },
                        "contentType": {
                          "type": "string",
                          "minLength": 1,
                          "description": "The MIME content type of the attachment."
                        },
                        "contentUrl": {
                          "type": "string",
                          "format": "uri",
                          "description": "The public HTTP or HTTPS URL to fetch attachment content from."
                        }
                      },
                      "required": [
                        "filename",
                        "contentUrl"
                      ],
                      "additionalProperties": false,
                      "description": "An attachment to fetch and include in an outgoing email."
                    },
                    "minItems": 1,
                    "maxItems": 10,
                    "description": "Attachments to fetch and include in the outgoing email."
                  },
                  "nullable": true,
                  "handle": "attachments",
                  "value": null
                }
              ],
              "outputs": [
                {
                  "description": "The SMTP Message-ID returned by the mail client.",
                  "jsonSchema": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "The SMTP Message-ID returned by the mail client."
                  },
                  "nullable": true,
                  "handle": "messageId"
                },
                {
                  "description": "Recipient addresses accepted by the SMTP server.",
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "string",
                      "minLength": 1,
                      "format": "email",
                      "description": "An email address."
                    },
                    "description": "Recipient addresses accepted by the SMTP server."
                  },
                  "nullable": false,
                  "handle": "accepted"
                },
                {
                  "description": "Recipient addresses rejected by the SMTP server.",
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "string",
                      "minLength": 1,
                      "format": "email",
                      "description": "An email address."
                    },
                    "description": "Recipient addresses rejected by the SMTP server."
                  },
                  "nullable": false,
                  "handle": "rejected"
                },
                {
                  "description": "The SMTP response text returned by the server.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "The SMTP response text returned by the server."
                  },
                  "nullable": false,
                  "handle": "response"
                }
              ],
              "name": "Email the digest",
              "executor": {
                "kind": "connector",
                "action": "generic_imap.send_email"
              }
            }
          },
          "n_d5a3d71349dad4f5": {
            "inputs": {
              "accepted": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_b51d64433025fdd0",
                    "output": "accepted"
                  }
                ]
              },
              "rejected": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_b51d64433025fdd0",
                    "output": "rejected"
                  }
                ]
              },
              "response": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_b51d64433025fdd0",
                    "output": "response"
                  }
                ]
              }
            },
            "name": "Confirm SMTP acceptance",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "string",
                      "minLength": 1,
                      "format": "email",
                      "description": "An email address."
                    },
                    "description": "Recipient addresses accepted by the SMTP server."
                  },
                  "nullable": false,
                  "handle": "accepted"
                },
                {
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "string",
                      "minLength": 1,
                      "format": "email",
                      "description": "An email address."
                    },
                    "description": "Recipient addresses rejected by the SMTP server."
                  },
                  "nullable": false,
                  "handle": "rejected"
                },
                {
                  "jsonSchema": {
                    "type": "string",
                    "description": "The SMTP response text returned by the server."
                  },
                  "nullable": false,
                  "handle": "response"
                }
              ],
              "outputs": [],
              "name": "Confirm SMTP acceptance",
              "moduleId": "n_7ed8fd0c0eba3e94",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
          }
        },
        "edges": [
          {
            "source": "n_b51d64433025fdd0",
            "target": "n_d5a3d71349dad4f5"
          },
          {
            "source": "n_6a84493d0baffba6",
            "target": "n_027244151273b1dd"
          },
          {
            "source": "n_027244151273b1dd",
            "target": "n_f854ad462fe3982a"
          },
          {
            "source": "n_f854ad462fe3982a",
            "target": "n_bb3108aa8a033db5"
          },
          {
            "source": "n_bb3108aa8a033db5",
            "target": "n_b51d64433025fdd0",
            "sourceHandle": "yes"
          }
        ]
      }
    },
    "modules": {
      "n_ea45e95d6caa1ff9": {
        "name": "Select and format Show HN stories",
        "imports": [],
        "source": "export default function main({data,statusCode}) {\n  if(statusCode<200||statusCode>=300||!Array.isArray(data?.stories)||data.stories.length===0)throw Error('Hacker News page did not return a story list');\n  const chosen=[];\n  for(const story of data.stories){\n    if(typeof story?.title!=='string'||typeof story.rank!=='string'||typeof story.url!=='string'||!story.url)throw Error('Incomplete story in page');\n    if(!story.title.includes('Show HN:'))continue;\n    const url=story.url.startsWith('item?id=')?'https://news.ycombinator.com/'+story.url:story.url;\n    if(!/^https?:\\/\\//i.test(url))throw Error('Unsupported story URL');\n    chosen.push(`${story.rank} ${story.title}\\n${url}`);\n  }\n  return {hasStories:chosen.length>0,text:'Currently trending \"Show HN\":\\n\\n'+chosen.join('\\n\\n')+'\\n'};\n}\n"
      },
      "n_7ed8fd0c0eba3e94": {
        "name": "Confirm SMTP acceptance",
        "imports": [],
        "source": "export default function confirmEmail({accepted,rejected,response}){if(!Array.isArray(accepted)||!accepted.length||!Array.isArray(rejected)||rejected.length||typeof response!=='string')throw Error('Email was not accepted by SMTP');return {};}\n"
      }
    }
  },
  "presentation": {
    "designer": {
      "version": 1,
      "flow": {
        "direction": "vertical"
      }
    }
  }
}