{
  "nodes": [
    {
      "name": "Switch",
      "type": "n8n-nodes-base.switch",
      "notes": "check bot commands",
      "position": [
        460,
        480
      ],
      "parameters": {
        "rules": {
          "rules": [
            {
              "value2": "/start"
            },
            {
              "output": 1,
              "value2": "/getweather"
            }
          ]
        },
        "value1": "={{$json[\"message\"][\"text\"]}}",
        "dataType": "string",
        "fallbackOutput": 3
      },
      "notesInFlow": true,
      "typeVersion": 1
    },
    {
      "name": "msg_greet",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1820,
        300
      ],
      "parameters": {
        "text": "=Nice to meet you, {{$node[\"Telegram Trigger\"].json[\"message\"][\"from\"][\"first_name\"]}}.\nI am n8n-powered bot, I can send you a weather data for several European capitals. The data is an image generated in ggplot2 package of R programming language.\nType /getweather to begin.",
        "chatId": "={{$node[\"Telegram Trigger\"].json[\"message\"][\"chat\"][\"id\"]}}",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "17",
          "name": "n8n R test bot"
        }
      },
      "notesInFlow": true,
      "typeVersion": 1
    },
    {
      "name": "msg_wrongcommand",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1820,
        1160
      ],
      "parameters": {
        "text": "=Sorry, {{$node[\"Telegram Trigger\"].json[\"message\"][\"from\"][\"first_name\"]}}, your command was not recognized.\n/getweather - show image with the weather info.",
        "chatId": "={{$node[\"Telegram Trigger\"].json[\"message\"][\"chat\"][\"id\"]}}",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "17",
          "name": "n8n R test bot"
        }
      },
      "notesInFlow": true,
      "typeVersion": 1
    },
    {
      "name": "Telegram Trigger",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        300,
        480
      ],
      "webhookId": "2512ec1e-bcff-4dfb-9ef3-208aaecc5634",
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "17",
          "name": "n8n R test bot"
        }
      },
      "typeVersion": 1
    },
    {
      "name": "msg_getweather",
      "type": "n8n-nodes-base.telegram",
      "position": [
        2020,
        820
      ],
      "parameters": {
        "chatId": "={{$node[\"Telegram Trigger\"].json[\"message\"][\"chat\"][\"id\"]}}",
        "operation": "sendPhoto",
        "binaryData": true,
        "additionalFields": {
          "caption": "=Here's your image, {{$node[\"Telegram Trigger\"].json[\"message\"][\"from\"][\"first_name\"]}}."
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "17",
          "name": "n8n R test bot"
        }
      },
      "notesInFlow": true,
      "typeVersion": 1
    },
    {
      "name": "City List",
      "type": "n8n-nodes-base.function",
      "position": [
        1040,
        640
      ],
      "parameters": {
        "functionCode": "return [{Cityid: 2643743, Cityname:\"London\",    Country: \"GB\"},\r\n        {Cityid: 2950159, Cityname:\"Berlin\",    Country: \"DE\"},\r\n        {Cityid: 3117735, Cityname:\"Madrid\",    Country: \"ES\"},\r\n        {Cityid: 3169070, Cityname:\"Rome\",      Country: \"IT\"},\r\n        {Cityid: 683506,  Cityname:\"Bucharest\", Country: \"RO\"},\r\n        {Cityid: 2968815, Cityname:\"Paris\",     Country: \"FR\"},\r\n        {Cityid: 2761369, Cityname:\"Vienna\",    Country: \"AT\"},\r\n        {Cityid: 756135,  Cityname:\"Warsaw\",    Country: \"PL\"},\r\n        {Cityid: 3054638, Cityname:\"Budapest\",  Country: \"HU\"},\r\n        {Cityid: 792680,  Cityname:\"Belgrade\",  Country: \"RS\"}];"
      },
      "typeVersion": 1
    },
    {
      "name": "Convert API response",
      "type": "n8n-nodes-base.function",
      "position": [
        860,
        840
      ],
      "parameters": {
        "functionCode": "// this data is stored as a CSV file and then processed in the R script. Please check the R code here:\n// https://gist.github.com/ed-parsadanyan/0561cd12d545e642fcef17dcb0872b00\nvar data = [];\n\nfor (item of items) {\n  data.push({CityName: item.json.name+', '+item.json.sys.country,\n             TempCur : item.json.main.temp,\n             TempMin : item.json.main.temp_min,\n             TempMax : item.json.main.temp_max\n  });\n}\n\nreturn data;"
      },
      "typeVersion": 1
    },
    {
      "name": "Get weather data",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1220,
        640
      ],
      "parameters": {
        "url": "=https://api.openweathermap.org/data/2.5/weather?id={{$json[\"Cityid\"]}}&units=metric&appid=6d3fff582a101700576faf74734f9535",
        "options": {}
      },
      "typeVersion": 1,
      "continueOnFail": true
    },
    {
      "name": "Spreadsheet File",
      "type": "n8n-nodes-base.spreadsheetFile",
      "position": [
        1040,
        840
      ],
      "parameters": {
        "options": {
          "fileName": "={{$node[\"Filename\"].json[\"filename\"]}}.{{$parameter[\"fileFormat\"]}}"
        },
        "operation": "toFile",
        "fileFormat": "csv"
      },
      "typeVersion": 1
    },
    {
      "name": "Write csv",
      "type": "n8n-nodes-base.writeBinaryFile",
      "position": [
        1220,
        840
      ],
      "parameters": {
        "fileName": "={{$node[\"Filename\"].json[\"foldername\"]}}{{$binary.data.fileName}}"
      },
      "typeVersion": 1
    },
    {
      "name": "Filename",
      "type": "n8n-nodes-base.set",
      "position": [
        860,
        640
      ],
      "parameters": {
        "values": {
          "string": [
            {
              "name": "filename",
              "value": "=request_from{{$node[\"Telegram Trigger\"].json[\"message\"][\"from\"][\"id\"]}}_{{DateTime.now().toISO({ format: 'basic' }).split('.')[0]}}"
            },
            {
              "name": "foldername",
              "value": "/home/node/.n8n/weather-bot/"
            },
            {
              "name": "imgname",
              "value": "=request_from{{$node[\"Telegram Trigger\"].json[\"message\"][\"from\"][\"id\"]}}"
            }
          ]
        },
        "options": {}
      },
      "typeVersion": 1
    },
    {
      "name": "msg_errorAPI",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1820,
        640
      ],
      "parameters": {
        "text": "=Sorry, {{$node[\"Telegram Trigger\"].json[\"message\"][\"from\"][\"first_name\"]}}, an error occurred while fetching weather data. Please try again later.",
        "chatId": "={{$node[\"Telegram Trigger\"].json[\"message\"][\"chat\"][\"id\"]}}",
        "additionalFields": {
          "parse_mode": "Markdown"
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "17",
          "name": "n8n R test bot"
        }
      },
      "notesInFlow": true,
      "typeVersion": 1
    },
    {
      "name": "Any errors API?",
      "type": "n8n-nodes-base.if",
      "position": [
        1580,
        640
      ],
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{$json[\"error\"][\"name\"]}}",
              "value2": "Error"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "name": "msg_errorR",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1820,
        1000
      ],
      "parameters": {
        "text": "=Sorry, {{$node[\"Telegram Trigger\"].json[\"message\"][\"from\"][\"first_name\"]}}, an error occurred while creating an image. Please try again later.",
        "chatId": "={{$node[\"Telegram Trigger\"].json[\"message\"][\"chat\"][\"id\"]}}",
        "additionalFields": {
          "parse_mode": "Markdown"
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "17",
          "name": "n8n R test bot"
        }
      },
      "notesInFlow": true,
      "typeVersion": 1
    },
    {
      "name": "Read Binary File",
      "type": "n8n-nodes-base.readBinaryFile",
      "position": [
        1820,
        820
      ],
      "parameters": {
        "filePath": "={{$node[\"Filename\"].json[\"foldername\"]}}{{$node[\"Filename\"].json[\"imgname\"]}}.png"
      },
      "typeVersion": 1
    },
    {
      "name": "R successful?",
      "type": "n8n-nodes-base.if",
      "position": [
        1580,
        840
      ],
      "parameters": {
        "conditions": {
          "number": [
            {
              "value1": "={{$json[\"exitCode\"]}}",
              "operation": "equal"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Merge",
      "type": "n8n-nodes-base.merge",
      "position": [
        680,
        1160
      ],
      "parameters": {
        "mode": "passThrough"
      },
      "typeVersion": 1
    },
    {
      "name": "Merge1",
      "type": "n8n-nodes-base.merge",
      "position": [
        680,
        300
      ],
      "parameters": {
        "mode": "passThrough"
      },
      "typeVersion": 1
    },
    {
      "name": "msg_pleasewait",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1820,
        460
      ],
      "parameters": {
        "text": "=Please wait while your request is being processed...",
        "chatId": "={{$node[\"Telegram Trigger\"].json[\"message\"][\"chat\"][\"id\"]}}",
        "additionalFields": {
          "parse_mode": "Markdown"
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "17",
          "name": "n8n R test bot"
        }
      },
      "notesInFlow": true,
      "typeVersion": 1
    },
    {
      "name": "Merge2",
      "type": "n8n-nodes-base.merge",
      "position": [
        680,
        640
      ],
      "parameters": {
        "mode": "wait"
      },
      "typeVersion": 1
    },
    {
      "name": "Run R script",
      "type": "n8n-nodes-base.executeCommand",
      "position": [
        1400,
        840
      ],
      "parameters": {
        "command": "=Rscript --vanilla '{{$node[\"Filename\"].json[\"foldername\"]}}dumbbell_plot.R' '{{$node[\"Filename\"].json[\"foldername\"]}}{{$node[\"Filename\"].json[\"filename\"]}}.csv' '{{$node[\"Filename\"].json[\"foldername\"]}}{{$node[\"Filename\"].json[\"imgname\"]}}.png' >& {{$node[\"Filename\"].json[\"foldername\"]}}{{$node[\"Filename\"].json[\"filename\"]}}.log"
      },
      "typeVersion": 1,
      "continueOnFail": true
    }
  ],
  "connections": {
    "Merge": {
      "main": [
        [
          {
            "node": "msg_wrongcommand",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Merge1": {
      "main": [
        [
          {
            "node": "msg_greet",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Merge2": {
      "main": [
        [
          {
            "node": "Filename",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Switch": {
      "main": [
        [
          {
            "node": "Merge1",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "msg_pleasewait",
            "type": "main",
            "index": 0
          },
          {
            "node": "Merge2",
            "type": "main",
            "index": 0
          }
        ],
        null,
        [
          {
            "node": "Merge",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Filename": {
      "main": [
        [
          {
            "node": "City List",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "City List": {
      "main": [
        [
          {
            "node": "Get weather data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Write csv": {
      "main": [
        [
          {
            "node": "Run R script",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Run R script": {
      "main": [
        [
          {
            "node": "R successful?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "R successful?": {
      "main": [
        [
          {
            "node": "Read Binary File",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "msg_errorR",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "msg_pleasewait": {
      "main": [
        [
          {
            "node": "Merge2",
            "type": "main",
            "index": 1
          }
        ]
      ]
    },
    "Any errors API?": {
      "main": [
        [
          {
            "node": "msg_errorAPI",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Convert API response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get weather data": {
      "main": [
        [
          {
            "node": "Any errors API?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Read Binary File": {
      "main": [
        [
          {
            "node": "msg_getweather",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Spreadsheet File": {
      "main": [
        [
          {
            "node": "Write csv",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Telegram Trigger": {
      "main": [
        [
          {
            "node": "Switch",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Convert API response": {
      "main": [
        [
          {
            "node": "Spreadsheet File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}