{
  "nodes": [
    {
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        270,
        300
      ],
      "parameters": {},
      "typeVersion": 1,
      "id": "create-update-discourse-post-0"
    },
    {
      "name": "Set topic details",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "const forumUrl='',categoryId='',title='',initial='',updated='';if(!/^https:\\/\\/[^\\s?#]+$/i.test(forumUrl)||!/^\\d+$/.test(categoryId)||+categoryId<1||![title,initial,updated].every(x=>x.trim()))throw Error('Enter forum URL, category, title and both post bodies');return [{json:{forumUrl:forumUrl.replace(/\\/+$/,''),categoryId:+categoryId,title,initial,updated}}];"
      },
      "id": "create-update-discourse-post-1"
    },
    {
      "name": "Discourse",
      "type": "n8n-nodes-base.discourse",
      "position": [
        470,
        300
      ],
      "parameters": {
        "title": "={{ $(\"Set topic details\").first().json.title }}",
        "content": "={{ $(\"Set topic details\").first().json.initial }}",
        "additionalFields": {
          "category": "={{ $(\"Set topic details\").first().json.categoryId }}"
        }
      },
      "typeVersion": 1,
      "id": "create-update-discourse-post-2"
    },
    {
      "name": "Prepare post update",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "const id=$input.first().json.id,s=$('Set topic details').first().json;if(!Number.isSafeInteger(id)||id<1)throw Error('Missing post ID');return [{json:{id,url:s.forumUrl+'/posts/'+id+'.json',body:{post:{raw:s.updated}}}}];"
      },
      "id": "create-update-discourse-post-3"
    },
    {
      "name": "Update the post",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "parameters": {
        "method": "PUT",
        "url": "={{ $json.url }}",
        "authentication": "predefinedCredentialType",
        "nodeCredentialType": "discourseApi",
        "sendBody": true,
        "contentType": "json",
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify($json.body) }}",
        "options": {
          "timeout": 30000
        }
      },
      "id": "create-update-discourse-post-4"
    },
    {
      "name": "Confirm post update",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "const id=$('Prepare post update').first().json.id;if($input.first().json.post?.id!==id)throw Error('Discourse did not confirm the updated post');return [{json:{id}}];"
      },
      "id": "create-update-discourse-post-5"
    },
    {
      "name": "Discourse2",
      "type": "n8n-nodes-base.discourse",
      "position": [
        870,
        300
      ],
      "parameters": {
        "postId": "={{ $(\"Prepare post update\").first().json.id }}",
        "operation": "get"
      },
      "typeVersion": 1,
      "id": "create-update-discourse-post-6"
    },
    {
      "name": "Verify the post",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "const post=$input.first().json;if(post.id!==$('Prepare post update').first().json.id)throw Error('Discourse did not return the same post');return [{json:post}];"
      },
      "id": "create-update-discourse-post-7"
    }
  ],
  "connections": {
    "On clicking 'execute'": {
      "main": [
        [
          {
            "node": "Set topic details",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set topic details": {
      "main": [
        [
          {
            "node": "Discourse",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Discourse": {
      "main": [
        [
          {
            "node": "Prepare post update",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Prepare post update": {
      "main": [
        [
          {
            "node": "Update the post",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Update the post": {
      "main": [
        [
          {
            "node": "Confirm post update",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Confirm post update": {
      "main": [
        [
          {
            "node": "Discourse2",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Discourse2": {
      "main": [
        [
          {
            "node": "Verify the post",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "name": "Create and Update a Discourse Post",
  "active": false,
  "pinData": {}
}