Bucket File Processor

/**
 * Demonstrates bucket nodes. Downloads a file, processes it,
 * and uploads the result.
 */

webhook process_file {
  label: "Process File"
  schema: @json {
    {
      "type": "object",
      "required": ["input_path"],
      "properties": {
        "input_path": { "type": "string" },
        "output_path": { "type": "string" }
      }
    }
  }
}

graph file_pipeline {
  label: "File Processing Pipeline"

  root {
    type: code
    label: "Extract paths"
    code: @ts { return context.nodes.root.input }
    outputSchema: @json {
      {
        "type": "object",
        "properties": {
          "input_path": { "type": "string" },
          "output_path": { "type": "string" }
        }
      }
    }
  }

  node download {
    type: bucket
    label: "Download input file"
    operation: "download"
    path: @ts { return context.nodes.root.output.input_path }
  }

  node process {
    type: code
    label: "Process file content"
    code: @ts {
      const content = context.nodes.download.output
      return {
        processed: true,
        original_path: context.nodes.root.output.input_path,
        content: content
      }
    }
  }

  node upload {
    type: bucket
    label: "Upload result"
    operation: "upload"
    path: @ts {
      return context.nodes.root.output.output_path || "processed/" + context.nodes.root.output.input_path
    }
  }

  flow {
    root -> download
    download -> process
    process -> upload
  }
}

trigger on_file {
  webhook:process_file -> file_pipeline
  enabled: true
}