n8n-workflows/workflows/12_Find_a_New_Book.json

{
  "id": "12",
  "name": "Find a New Book",
  "nodes": [
    {
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        40,
        140
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "name": "Every Friday at 11:00 AM",
      "type": "n8n-nodes-base.cron",
      "position": [
        20,
        330
      ],
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "hour": 11,
              "mode": "everyWeek",
              "weekday": "5"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Set Subject",
      "type": "n8n-nodes-base.set",
      "position": [
        220,
        330
      ],
      "parameters": {
        "values": {
          "string": [
            {
              "name": "subject",
              "value": "juvenile_literature"
            }
          ]
        },
        "options": {},
        "keepOnlySet": true
      },
      "typeVersion": 1
    },
    {
      "name": "Retrieve Book Count",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        420,
        330
      ],
      "parameters": {
        "url": "=http://openlibrary.org/subjects/{{$json[\"subject\"]}}.json",
        "options": {},
        "queryParametersUi": {
          "parameter": [
            {
              "name": "limit",
              "value": "0"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Check Book Count",
      "type": "n8n-nodes-base.if",
      "position": [
        620,
        330
      ],
      "parameters": {
        "conditions": {
          "number": [
            {
              "value1": "={{$node[\"Retrieve Book Count\"].json[\"work_count\"]}}",
              "operation": "larger"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Select Random Book",
      "type": "n8n-nodes-base.function",
      "position": [
        820,
        330
      ],
      "parameters": {
        "functionCode": "var retrieve_book = 0;\nvar book_count = items[0].json.work_count;\n\nretrieve_book = Math.floor(Math.random() * book_count) + 1\n\nitems[0].json.retrieve_book = retrieve_book;\nreturn items;"
      },
      "typeVersion": 1
    },
    {
      "name": "Retrieve Detailed Book Info",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1260,
        330
      ],
      "parameters": {
        "url": "=http://openlibrary.org.{{$node[\"Retrieve Basic Book Info\"].json[\"works\"][0][\"key\"]}}.json",
        "options": {},
        "queryParametersUi": {
          "parameter": [
            {
              "name": "limit",
              "value": "1"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Retrieve Basic Book Info",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1040,
        330
      ],
      "parameters": {
        "url": "=http://openlibrary.org/subjects/{{$json[\"name\"]}}.json",
        "options": {},
        "queryParametersUi": {
          "parameter": [
            {
              "name": "limit",
              "value": "1"
            },
            {
              "name": "offset",
              "value": "={{$json[\"retrieve_book\"]}}"
            },
            {
              "name": "detail",
              "value": "true"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Book Recommendation",
      "type": "n8n-nodes-base.set",
      "position": [
        1830,
        330
      ],
      "parameters": {
        "values": {
          "string": [
            {
              "name": "msgSubject",
              "value": "=Book Recommendation: {{$node[\"Create Author String\"].json[\"title\"]}}"
            },
            {
              "name": "msgBody",
              "value": "=<H2><a href=\"{{$node[\"Create Author String\"].json[\"URL\"]}}\">{{$node[\"Create Author String\"].json[\"title\"]}}</a></H2>\n<p><em>By {{$node[\"Create Author String\"].json[\"authors\"]}}</em><br>\n{{$node[\"Create Author String\"].json[\"description\"]}}</p>"
            }
          ]
        },
        "options": {},
        "keepOnlySet": true
      },
      "typeVersion": 1
    },
    {
      "name": "Filtered Book Info",
      "type": "n8n-nodes-base.set",
      "position": [
        1460,
        330
      ],
      "parameters": {
        "values": {
          "string": [
            {
              "name": "authors",
              "value": "={{$node[\"Retrieve Basic Book Info\"].json[\"works\"][0][\"authors\"]}}"
            },
            {
              "name": "title",
              "value": "={{$node[\"Retrieve Basic Book Info\"].json[\"works\"][0][\"title\"]}}"
            },
            {
              "name": "description",
              "value": "={{$node[\"Retrieve Detailed Book Info\"].json[\"description\"][\"value\"]}}"
            },
            {
              "name": "URL",
              "value": "=https://openlibrary.org{{$node[\"Retrieve Basic Book Info\"].json[\"works\"][0][\"key\"]}}"
            }
          ]
        },
        "options": {},
        "keepOnlySet": true
      },
      "typeVersion": 1
    },
    {
      "name": "Create Author String",
      "type": "n8n-nodes-base.function",
      "position": [
        1630,
        330
      ],
      "parameters": {
        "functionCode": "var arrAuthors = items[0].json.authors;\n\nvar arrNames = arrAuthors.map(function(author) {\n  return \"<a href=\\\"https://openlibrary.org\" + author['key'] + \"\\\">\" + author['name'] + \"</a>\";\n});\n\nvar names = arrNames.join(\", \");\n\nitems[0].json.authors = names;\n\nreturn items;"
      },
      "typeVersion": 1
    },
    {
      "name": "Send No Book Email",
      "type": "n8n-nodes-base.emailSend",
      "position": [
        830,
        520
      ],
      "parameters": {
        "html": "=<p>Unfortunately, there are no books available for the subject of <em>{{$node[\"Check Book Count\"].json[\"name\"]}}</em>. Please update your n8n workflow with a different subject.</p>\n\n<p>A list of all available subjects can be found at <a href=\"https://openlibrary.org/subjects\">the Open Library</a>.</p>",
        "options": {},
        "subject": "=Book not found in {{$node[\"Check Book Count\"].json[\"name\"]}}",
        "toEmail": "john.doe@example.com",
        "fromEmail": "john.doe@example.com"
      },
      "credentials": {
        "smtp": "Gmail Creds"
      },
      "typeVersion": 1
    },
    {
      "name": "Send Book Email",
      "type": "n8n-nodes-base.emailSend",
      "position": [
        2030,
        330
      ],
      "parameters": {
        "html": "={{$node[\"Book Recommendation\"].json[\"msgBody\"]}}",
        "options": {},
        "subject": "={{$node[\"Book Recommendation\"].json[\"msgSubject\"]}}",
        "toEmail": "john.doe@example.com",
        "fromEmail": "john.doe@example.com"
      },
      "credentials": {
        "smtp": "Gmail Creds"
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "settings": {},
  "connections": {
    "Set Subject": {
      "main": [
        [
          {
            "node": "Retrieve Book Count",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Book Count": {
      "main": [
        [
          {
            "node": "Select Random Book",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Send No Book Email",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Filtered Book Info": {
      "main": [
        [
          {
            "node": "Create Author String",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Select Random Book": {
      "main": [
        [
          {
            "node": "Retrieve Basic Book Info",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Book Recommendation": {
      "main": [
        [
          {
            "node": "Send Book Email",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Retrieve Book Count": {
      "main": [
        [
          {
            "node": "Check Book Count",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Create Author String": {
      "main": [
        [
          {
            "node": "Book Recommendation",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "On clicking 'execute'": {
      "main": [
        [
          {
            "node": "Set Subject",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Every Friday at 11:00 AM": {
      "main": [
        [
          {
            "node": "Set Subject",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Retrieve Basic Book Info": {
      "main": [
        [
          {
            "node": "Retrieve Detailed Book Info",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Retrieve Detailed Book Info": {
      "main": [
        [
          {
            "node": "Filtered Book Info",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}