Workflow: render a valid n8n JSON for Telegram Functionitem Create Scheduled
Integrations: cron, function, functionItem, httpRequest, manualTrigger, moveBinaryData, readBinaryFile, set, telegram, writeBinaryFile

{"nodes": [{"name": "On clicking 'execute'", "type": "n8n-nodes-base.manualTrigger", "position": [340, 380], "parameters": {}, "typeVersion": 1}, {"name": "Write Binary File", "type": "n8n-nodes-base.writeBinaryFile", "position": [1680, 280], "parameters": {"fileName": "={{$node[\"Config\"].parameter[\"values\"][\"string\"][0][\"value\"]}}"}, "typeVersion": 1}, {"name": "Read Binary File", "type": "n8n-nodes-base.readBinaryFile", "position": [580, 460], "parameters": {"filePath": "={{$node[\"Config\"].parameter[\"values\"][\"string\"][0][\"value\"]}}"}, "typeVersion": 1, "continueOnFail": true, "alwaysOutputData": true}, {"name": "HTTP Request", "type": "n8n-nodes-base.httpRequest", "position": [1020, 460], "parameters": {"url": "https://readwise.io/reader/api/state/", "options": {}, "authentication": "headerAuth", "queryParametersUi": {"parameter": [{"name": "schemaVersion", "value": "5"}, {"name": "filter[updated_at][gt]", "value": "={{$json[\"last_synced\"]}}"}]}, "headerParametersUi": {"parameter": []}}, "credentials": {"httpHeaderAuth": {"id": "10", "name": "Header Auth account"}}, "typeVersion": 1}, {"name": "Telegram", "type": "n8n-nodes-base.telegram", "position": [1480, 460], "parameters": {"text": "={{$json[\"title\"]}} by {{$json[\"author\"]}}\n\n{{$json[\"summary\"]}}\n\n{{$json[\"url\"]}}", "chatId": "={{$node[\"Config\"].parameter[\"values\"][\"number\"][0][\"value\"]}}", "additionalFields": {}}, "credentials": {"telegramApi": {"id": "2", "name": "my bot"}}, "typeVersion": 1}, {"name": "Binary to json", "type": "n8n-nodes-base.moveBinaryData", "position": [800, 460], "parameters": {"options": {}}, "typeVersion": 1, "alwaysOutputData": true}, {"name": "Json to binary", "type": "n8n-nodes-base.moveBinaryData", "position": [1480, 280], "parameters": {"mode": "jsonToBinary", "options": {}}, "typeVersion": 1}, {"name": "Set new update time", "type": "n8n-nodes-base.functionItem", "position": [1280, 280], "parameters": {"functionCode": "return {\n  last_synced: new Date().getTime()\n};"}, "typeVersion": 1}, {"name": "Split into baches", "type": "n8n-nodes-base.function", "position": [1280, 460], "parameters": {"functionCode": "const newValue = Object.values(items[0].json.documents).filter(it => it.category === 'article').filter(it => it.children.length === 0).map(it => ({\n  json: {\n      url: it.url,\n  title: it.title,\n  author: it.author,\n  summary: it.summary,\n  saved_at: new Date(it.saved_at),\n  }\n}))\n\n\nreturn newValue;"}, "typeVersion": 1}, {"name": "Cron", "type": "n8n-nodes-base.cron", "position": [340, 540], "parameters": {"triggerTimes": {"item": [{"mode": "everyX", "unit": "minutes", "value": 10}]}}, "typeVersion": 1}, {"name": "Config", "type": "n8n-nodes-base.set", "position": [800, 300], "parameters": {"values": {"number": [{"name": "Telegram chat it", "value": 19999}], "string": [{"name": "file path", "value": "/whatever/readwiseLastSynced.json"}]}, "options": {}}, "typeVersion": 1}], "connections": {"Cron": {"main": [[{"node": "Read Binary File", "type": "main", "index": 0}]]}, "HTTP Request": {"main": [[{"node": "Split into baches", "type": "main", "index": 0}, {"node": "Set new update time", "type": "main", "index": 0}]]}, "Binary to json": {"main": [[{"node": "HTTP Request", "type": "main", "index": 0}]]}, "Json to binary": {"main": [[{"node": "Write Binary File", "type": "main", "index": 0}]]}, "Read Binary File": {"main": [[{"node": "Binary to json", "type": "main", "index": 0}]]}, "Split into baches": {"main": [[{"node": "Telegram", "type": "main", "index": 0}]]}, "Set new update time": {"main": [[{"node": "Json to binary", "type": "main", "index": 0}]]}, "On clicking 'execute'": {"main": [[{"node": "Read Binary File", "type": "main", "index": 0}]]}}}