Task: Archive empty pages in Notion database

n8n workflow JSON:
{"id":115,"name":"Archive empty pages in Notion Database","nodes":[{"name":"Get All Databases","type":"n8n-nodes-base.notion","position":[240,300],"parameters":{"resource":"database","operation":"getAll","returnAll":true},"credentials":{"notionApi":{"id":"36","name":"Notion account"}},"typeVersion":2},{"name":"Get All Database Pages","type":"n8n-nodes-base.notion","position":[420,300],"parameters":{"simple":false,"options":{},"resource":"databasePage","operation":"getAll","returnAll":true,"databaseId":"={{$json[\"id\"]}}"},"credentials":{"notionApi":{"id":"36","name":"Notion account"}},"typeVersion":2},{"name":"Get Page Blocks","type":"n8n-nodes-base.notion","position":[1180,280],"parameters":{"blockId":"={{$json[\"id\"]}}","resource":"block","operation":"getAll","returnAll":true},"credentials":{"notionApi":{"id":"36","name":"Notion account"}},"typeVersion":2,"alwaysOutputData":true},{"name":"Process Blocks","type":"n8n-nodes-base.function","position":[1360,280],"parameters":{"functionCode":"let returnData = {\n  json: {\n    toDelete: false,\n    pageID: $node[\"SplitInBatches\"].json[\"id\"],\n  }\n};\n\nif (!items[0].json.id) {\n  returnData.json.toDelete = true;\n  return [returnData];\n}\n\nfor (item of items) {\n  \n  let toDelete = false;\n\n  let type = item.json.type;\n  let data = item.json[type];\n\n  if (!toDelete) {\n    if (data.text.length == 0) {\n      toDelete = true;\n    } else {\n      returnData.json.toDelete = false;\n      break;\n    }\n  }\n\n  returnData.json.toDelete = toDelete;\n}\n\nreturn [returnData];"},"typeVersion":1},{"name":"SplitInBatches","type":"n8n-nodes-base.splitInBatches","position":[1000,280],"parameters":{"options":{},"batchSize":1},"typeVersion":1},{"name":"Check for empty properties","type":"n8n-nodes-base.function","position":[600,300],"parameters":{"functionCode":"for (item of items) {\n\n  let toDelete = false;\n  for (const key in item.json.properties) {\n    let type = item.json.properties[key].type;\n    let data = item.json.properties[key][type];\n    \n    if (!data || data.length == 0) {\n      toDelete = true;\n    } else {\n      toDelete = false;\n      break;\n    }\n  }\n\n  item.json.toDelete = toDelete;\n}\n\nreturn items;"},"typeVersion":1},{"name":"Archive Page","type":"n8n-nodes-base.notion","position":[1760,260],"parameters":{"pageId":"={{$json[\"pageID\"]}}","operation":"archive"},"credentials":{"notionApi":{"id":"36","name":"Notion account"}},"typeVersion":2},{"name":"If toDelete","type":"n8n-nodes-base.if","position":[1560,280],"parameters":{"conditions":{"boolean":[{"value1":"={{$json[\"toDelete\"]}}","value2":true}]}},"typeVersion":1},{"name":"If Empty Properties","type":"n8n-nodes-base.if","position":[760,300],"parameters":{"conditions":{"boolean":[{"value1":"={{$json[\"toDelete\"]}}","value2":true}]}},"typeVersion":1},{"name":"Every day @ 2am","type":"n8n-nodes-base.cron","position":[80,300],"parameters":{"triggerTimes":{"item":[{"hour":2}]}},"typeVersion":1}],"active":false,"settings":{},"connections":{"If toDelete":{"main":[[{"node":"Archive Page","type":"main","index":0}]]},"Process Blocks":{"main":[[{"node":"If toDelete","type":"main","index":0},{"node":"SplitInBatches","type":"main","index":0}]]},"SplitInBatches":{"main":[[{"node":"Get Page Blocks","type":"main","index":0}]]},"Every day @ 2am":{"main":[[{"node":"Get All Databases","type":"main","index":0}]]},"Get Page Blocks":{"main":[[{"node":"Process Blocks","type":"main","index":0}]]},"Get All Databases":{"main":[[{"node":"Get All Database Pages","type":"main","index":0}]]},"If Empty Properties":{"main":[[{"node":"SplitInBatches","type":"main","index":0}]]},"Get All Database Pages":{"main":[[{"node":"Check for empty properties","type":"main","index":0}]]},"Check for empty properties":{"main":[[{"node":"If Empty Properties","type":"main","index":0}]]}}}