Automatisation WordPress avec n8n : création d'articles AI

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  "name": "Write a WordPress post with AI (starting from a few keywords)",
  "tags": [],
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      "name": "Form",
      "type": "n8n-nodes-base.formTrigger",
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      "webhookId": "4b937814-e829-4df7-aaba-31192babf7e1",
      "parameters": {
        "path": "create-wordpress-post",
        "formTitle": "Create a WordPress post with AI",
        "formFields": {
          "values": [
            {
              "fieldLabel": "Keywords (comma-separated)",
              "requiredField": true
            },
            {
              "fieldType": "dropdown",
              "fieldLabel": "Number of chapters",
              "fieldOptions": {
                "values": [
                  {
                    "option": "1"
                  },
                  {
                    "option": "2"
                  },
                  {
                    "option": "3"
                  },
                  {
                    "option": "4"
                  },
                  {
                    "option": "5"
                  },
                  {
                    "option": "6"
                  },
                  {
                    "option": "7"
                  },
                  {
                    "option": "8"
                  },
                  {
                    "option": "9"
                  },
                  {
                    "option": "10"
                  }
                ]
              },
              "requiredField": true
            },
            {
              "fieldType": "number",
              "fieldLabel": "Max words count",
              "requiredField": true
            }
          ]
        },
        "responseMode": "responseNode",
        "formDescription": "Fill this form with the required information to create a draft post on WordPress"
      },
      "typeVersion": 2
    },
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        "color": 4,
        "width": 301.3874093724939,
        "height": 371.765663140765,
        "content": "## Data check"
      },
      "typeVersion": 1
    },
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        "width": 272.8190508599808,
        "height": 80,
        "content": "Checks that the data returned by OpenAI is correct"
      },
      "typeVersion": 1
    },
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        "height": 371.7656631407652,
        "content": "## Draft on WordPress"
      },
      "typeVersion": 1
    },
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        "content": "The article is posted as a draft on WordPress"
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      "parameters": {
        "color": 3,
        "width": 557.7592769264069,
        "height": 369.2595606183891,
        "content": "## Featured image"
      },
      "typeVersion": 1
    },
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      "name": "Sticky Note11",
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      "parameters": {
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        "width": 517.9195082760601,
        "height": 80,
        "content": "The image is generated with Dall-E, uploaded to WordPress, and then connected to the post as its featured image"
      },
      "typeVersion": 1
    },
    {
      "id": "d1fd737b-7f14-4371-8720-7742f708e641",
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        "content": "Starting from the given keywords, generates the article title, subtitle, chapters, and image prompt"
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        "content": "## Article structure"
      },
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        "content": "## User form"
      },
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    },
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        "content": "The user triggers the post creation"
      },
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        "content": "## User feedback"
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        "content": "Final confirmation to the user"
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      "name": "Sticky Note6",
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        "content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nUser is notified to try again since some data is missing"
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        "content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nWikipedia is used to write the article"
      },
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      "name": "Settings",
      "type": "n8n-nodes-base.set",
      "position": [
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      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "3a433b0f-9957-4b64-ad81-359ab5e521d5",
              "name": "wordpress_url",
              "type": "string",
              "value": "https://you-wordpress-url-here.com/"
            },
            {
              "id": "ec5430e3-92c5-46e4-8c2c-c87291680892",
              "name": "keywords",
              "type": "string",
              "value": "={{ $json['Keywords (comma-separated)'] }}"
            },
            {
              "id": "5defb0a2-d921-4909-b10d-da59e1768496",
              "name": "chapters",
              "type": "number",
              "value": "={{ $json['Number of chapters'] }}"
            },
            {
              "id": "230ebd0b-73c2-4265-9b3c-57af7fbc48c8",
              "name": "words",
              "type": "number",
              "value": "={{ $json['Max words count'] }}"
            }
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        "content": "## Settings"
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        "content": "Set the URL of your WordPress here"
      },
      "typeVersion": 1
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      "id": "358ac79f-be7d-44eb-a353-b2ad4ac8d582",
      "name": "Check data consistency",
      "type": "n8n-nodes-base.if",
      "position": [
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      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
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          "conditions": [
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              "leftValue": "={{ $json.message.content.title }}",
              "rightValue": ""
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              "id": "a7fabfe1-3539-453a-93d9-8d6d395c3de4",
              "operator": {
                "type": "array",
                "operation": "lengthGte",
                "rightType": "number"
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              "leftValue": "={{ $json.message.content.chapters }}",
              "rightValue": "={{ 1 }}"
            },
            {
              "id": "a687081e-24e2-423c-a2da-b7c18baf0715",
              "operator": {
                "type": "string",
                "operation": "notEmpty",
                "singleValue": true
              },
              "leftValue": "={{ $json.message.content.subtitle }}",
              "rightValue": ""
            },
            {
              "id": "0a435a69-3699-4b98-b46f-40954c7a7816",
              "operator": {
                "type": "string",
                "operation": "notEmpty",
                "singleValue": true
              },
              "leftValue": "={{ $json.message.content.introduction }}",
              "rightValue": ""
            },
            {
              "id": "1a440144-21f3-42bd-9222-774bd564f3ef",
              "operator": {
                "type": "string",
                "operation": "notEmpty",
                "singleValue": true
              },
              "leftValue": "={{ $json.message.content.conclusions }}",
              "rightValue": ""
            },
            {
              "id": "834ce92d-b1e9-48ef-ae63-1d0841c900b5",
              "operator": {
                "type": "string",
                "operation": "notEmpty",
                "singleValue": true
              },
              "leftValue": "={{ $json.message.content.imagePrompt }}",
              "rightValue": ""
            }
          ]
        }
      },
      "typeVersion": 2
    },
    {
      "id": "479f474a-1687-4588-8485-d793afc6757d",
      "name": "Split out chapters",
      "type": "n8n-nodes-base.splitOut",
      "position": [
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        320
      ],
      "parameters": {
        "options": {},
        "fieldToSplitOut": "message.content.chapters"
      },
      "typeVersion": 1
    },
    {
      "id": "bde7b7db-45c6-4ab3-a705-358000cefbec",
      "name": "Merge chapters title and text",
      "type": "n8n-nodes-base.merge",
      "position": [
        1220,
        460
      ],
      "parameters": {
        "mode": "combine",
        "options": {},
        "combinationMode": "mergeByPosition"
      },
      "typeVersion": 2.1
    },
    {
      "id": "0079022b-eaa2-481b-8c78-f8623a63645b",
      "name": "Final article text",
      "type": "n8n-nodes-base.code",
      "position": [
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      ],
      "parameters": {
        "jsCode": "let article = \"\";\n\n// Introduction\narticle += $('Create post title and structure').first().json.message.content.introduction;\narticle += \"<br><br>\";\n\nfor (const item of $input.all()) {\n article += \"<strong>\" + item.json.title + \"</strong>\";\n article += \"<br><br>\";\n article += item.json.message.content;\n article += \"<br><br>\";\n}\n\n// Conclusions\narticle += \"<strong>Conclusions</strong>\";\narticle += \"<br><br>\";\narticle += $('Create post title and structure').first().json.message.content.conclusions;\n\n\nreturn [\n {\n \"article\": article\n }\n];"
      },
      "typeVersion": 1
    },
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      "name": "Post on Wordpress",
      "type": "n8n-nodes-base.wordpress",
      "position": [
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      ],
      "parameters": {
        "title": "={{ $('Create post title and structure').all()[0].json.message.content.title }}",
        "additionalFields": {
          "status": "draft",
          "content": "={{ $json.article }}"
        }
      },
      "credentials": {
        "wordpressApi": {
          "id": "xxxxxxxxxxx",
          "name": "WordPress Credentials"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "a609d80d-f586-4e5f-a72d-01257f676574",
      "name": "Upload media",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
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      ],
      "parameters": {
        "url": "https://wp-demo.mondo.surf/wp-json/wp/v2/media",
        "method": "POST",
        "options": {},
        "sendBody": true,
        "contentType": "binaryData",
        "sendHeaders": true,
        "authentication": "predefinedCredentialType",
        "headerParameters": {
          "parameters": [
            {
              "name": "Content-Disposition",
              "value": "attachment; filename=\"example.jpg\""
            }
          ]
        },
        "inputDataFieldName": "data",
        "nodeCredentialType": "wordpressApi"
      },
      "credentials": {
        "wordpressApi": {
          "id": "xxxxxxxxxxx",
          "name": "WordPress Credentials"
        }
      },
      "typeVersion": 4.1
    },
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      "id": "bdb2ef52-0201-4fe1-a7a6-59e34e21bf5e",
      "name": "Set image ID for the post",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
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      ],
      "parameters": {
        "url": "=https://wp-demo.mondo.surf/wp-json/wp/v2/posts/{{ $('Post on Wordpress').item.json.id }}",
        "method": "POST",
        "options": {},
        "sendQuery": true,
        "authentication": "predefinedCredentialType",
        "queryParameters": {
          "parameters": [
            {
              "name": "featured_media",
              "value": "={{ $json.id }}"
            }
          ]
        },
        "nodeCredentialType": "wordpressApi"
      },
      "credentials": {
        "wordpressApi": {
          "id": "xxxxxxxxxxx",
          "name": "WordPress Credentials"
        }
      },
      "typeVersion": 4.1
    },
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      "id": "a721762f-168d-4c87-ab6d-0d31deecd9a5",
      "name": "Respond: Success",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
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      ],
      "parameters": {
        "options": {},
        "respondWith": "json",
        "responseBody": "={\n \"formSubmittedText\": \"The article {{ $json.title.rendered }} was correctly created as a draft on WordPress!\"\n}"
      },
      "typeVersion": 1
    },
    {
      "id": "51b79bc2-035d-4db8-87bb-db6c889b164e",
      "name": "Respond: Error",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
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      ],
      "parameters": {
        "options": {},
        "respondWith": "json",
        "responseBody": "={\n 'formSubmittedText': 'There was a problem creating the article, please refresh the form and try again!'\n}\n\n"
      },
      "typeVersion": 1
    },
    {
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      "name": "Sticky Note16",
      "type": "n8n-nodes-base.stickyNote",
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      "parameters": {
        "color": 2,
        "width": 225.47038972308582,
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        "content": "## Chapters split"
      },
      "typeVersion": 1
    },
    {
      "id": "4115de31-d4e9-4d77-a055-3dead31c4dc5",
      "name": "Sticky Note17",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      ],
      "parameters": {
        "color": 7,
        "width": 185.6051460344073,
        "height": 80,
        "content": "Splits out chapter contents from the previous node"
      },
      "typeVersion": 1
    },
    {
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      "name": "Sticky Note18",
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        "content": "Writes the text for each chapter"
      },
      "typeVersion": 1
    },
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      "name": "Sticky Note19",
      "type": "n8n-nodes-base.stickyNote",
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      "parameters": {
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        "content": "## Chapters text"
      },
      "typeVersion": 1
    },
    {
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      "name": "Sticky Note21",
      "type": "n8n-nodes-base.stickyNote",
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      "parameters": {
        "color": 4,
        "width": 420.4253447940705,
        "height": 514.2177254645992,
        "content": "## Content preparation"
      },
      "typeVersion": 1
    },
    {
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      "name": "Sticky Note22",
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        "content": "Merges the content and prepare it before sending it to WordPress"
      },
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    },
    {
      "id": "903b695d-015a-4956-9c63-45802dfb9fdb",
      "name": "Generate featured image",
      "type": "@n8n/n8n-nodes-langchain.openAi",
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      "parameters": {
        "prompt": "=Generate a photographic image to be used as the cover image for the article titled: {{ $('Create post title and structure').all()[0].json.message.content.title }}. This is the prompt for the image: {{ $('Create post title and structure').all()[0].json.message.content.imagePrompt }}, photography, realistic, sigma 85mm f/1.4",
        "options": {
          "size": "1792x1024",
          "style": "natural",
          "quality": "hd"
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        "resource": "image"
      },
      "credentials": {
        "openAiApi": {
          "id": "xxxxxxxxxxx",
          "name": "OpenAI Credentials"
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      "typeVersion": 1
    },
    {
      "id": "faa847cb-9702-4207-aa1e-6d9f62493527",
      "name": "Wikipedia",
      "type": "@n8n/n8n-nodes-langchain.toolWikipedia",
      "position": [
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      "parameters": {},
      "typeVersion": 1
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      "name": "Create post title and structure",
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      "position": [
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      "parameters": {
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4-1106-preview",
          "cachedResultName": "GPT-4-1106-PREVIEW"
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        "options": {
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        "messages": {
          "values": [
            {
              "content": "=Write the title, the subtitle, the chapters details, the introduction, the conclusions, and an image prompt for a SEO-friendly article about these topics:\n{{ $json.keywords }}.\n\nInstructions:\n- Place the article title in a JSON field called `title`\n- Place the subtitle in a JSON field called `subtitle`\n- Place the introduction in a JSON field called `introduction`\n- In the introduction introduce the topic that is then explored in depth in the rest of the text\n- The introduction should be around 60 words\n- Place the conclusions in a JSON field called `conclusions`\n- The conclusions should be around 60 words\n- Use the conclusions to sum all said in the article and offer a conclusion to the reader\n- The image prompt will be used to produce a photographic cover image for the article and should depict the topics discussed in the article\n- Place the image prompt in a JSON field called `imagePrompt`\n- There should be {{ $json.chapters.toString() }} chapters.\n- For each chapter provide a title and an exaustive prompt that will be used to write the chapter text.\n- Place the chapters in an array field called `chapters`\n- For each chapter provide the fields `title` and `prompt`\n- The chapters should follow a logical flow and not repeat the same concepts.\n- The chapters should be one related to the other and not isolated blocks of text. The text should be fluent and folow a linear logic.\n- Don't start the chapters with \"Chapter 1\", \"Chapter 2\", \"Chapter 3\"... just write the title of the chapter\n- For the title and the capthers' titles don't use colons (`:`)\n- For the text, use HTML for formatting, but limited to bold, italic and lists.\n- Don't use markdown for formatting.\n- Always search on Wikipedia for useful information or verify the accuracy of what you write.\n- Never mention it if you don't find information on Wikipedia or the web\n- Go deep in the topic you treat, don't just throw some superficial info"
            }
          ]
        },
        "jsonOutput": true
      },
      "credentials": {
        "openAiApi": {
          "id": "xxxxxxxxxxx",
          "name": "OpenAI Credentials"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "2ecd3a50-a34f-4ab9-ad31-e4e6608708fb",
      "name": "Create chapters text",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "position": [
        820,
        320
      ],
      "parameters": {
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4-0125-preview",
          "cachedResultName": "GPT-4-0125-PREVIEW"
        },
        "options": {
          "maxTokens": 2048
        },
        "messages": {
          "values": [
            {
              "content": "=Write a chapter for the article: {{ $('Create post title and structure').item.json.message.content.title }}, {{ $('Create post title and structure').item.json.message.content.subtitle }}, that talks about {{ $('Settings').item.json[\"keywords\"] }}\n\nThis is the prompt for the chapter titled {{ $json.title }}: {{ $json.prompt }}.\n\nGuidelines:\n- Just return the plain text for each chapter (no JSON structure).\n- Don't use markdown for formatting.\n- Use HTML for formatting, but limited to bold, italic and lists.\n- Don't add internal titles or headings.\n- The length of each chapther should be around {{ Math.round(($('Settings').item.json.words - 120)/ $('Settings').item.json.chapters) }} words long\n- Go deep in the topic you treat, don't just throw some superficial info\n{{ $itemIndex > 0 ? \"- The previous chapter talks about \" + $input.all()[$itemIndex-1].json.title : \"\" }}\n{{ $itemIndex > 0 ? \"- The promt for the previous chapter is \" + $input.all()[$itemIndex-1].json.prompt : \"\" }}\n{{ $itemIndex < $input.all().length ? \"- The following chapter will talk about \" + $input.all()[$itemIndex+1].json.title: \"\" }}\n{{ $itemIndex < $input.all().length ? \"- The prompt for the following chapter is \" + $input.all()[$itemIndex+1].json.prompt : \"\" }}\n- Consider the previous and following chapters what writing the text for this chapter. The text must be coherent with the previous and following chapters.\n- This chapter should not repeat the concepts already exposed in the previous chapter.\n- This chapter is a part of a larger article so don't include an introduction or conclusions. This chapter should merge with the rest of the article.\n"
            }
          ]
        }
      },
      "credentials": {
        "openAiApi": {
          "id": "xxxxxxxxxxx",
          "name": "OpenAI Credentials"
        }
      },
      "typeVersion": 1
    }
  ],
  "active": true,
  "pinData": {},
  "settings": {
    "callerPolicy": "workflowsFromSameOwner",
    "executionOrder": "v1",
    "saveManualExecutions": true,
    "saveDataSuccessExecution": "all"
  },
  "versionId": "64d94f1e-51c8-40f7-a6b3-80fc43d9e71a",
  "connections": {
    "Form": {
      "main": [
        [
          {
            "node": "Settings",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Settings": {
      "main": [
        [
          {
            "node": "Create post title and structure",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Wikipedia": {
      "ai_tool": [
        [
          {
            "node": "Create post title and structure",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Upload media": {
      "main": [
        [
          {
            "node": "Set image ID for the post",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Post on Wordpress": {
      "main": [
        [
          {
            "node": "Generate featured image",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Final article text": {
      "main": [
        [
          {
            "node": "Post on Wordpress",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Split out chapters": {
      "main": [
        [
          {
            "node": "Merge chapters title and text",
            "type": "main",
            "index": 1
          },
          {
            "node": "Create chapters text",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Create chapters text": {
      "main": [
        [
          {
            "node": "Merge chapters title and text",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check data consistency": {
      "main": [
        [
          {
            "node": "Split out chapters",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Respond: Error",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Generate featured image": {
      "main": [
        [
          {
            "node": "Upload media",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set image ID for the post": {
      "main": [
        [
          {
            "node": "Respond: Success",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Merge chapters title and text": {
      "main": [
        [
          {
            "node": "Final article text",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Create post title and structure": {
      "main": [
        [
          {
            "node": "Check data consistency",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}