Task: Run weekly inventories on Shopify sales 

n8n workflow JSON:
{"nodes":[{"name":"Cron","type":"n8n-nodes-base.cron","position":[-700,1500],"parameters":{"triggerTimes":{"item":[{"hour":10,"mode":"everyWeek"}]}},"typeVersion":1},{"name":"Shopify","type":"n8n-nodes-base.shopify","position":[-500,1500],"parameters":{"options":{},"operation":"getAll"},"credentials":{"shopifyApi":"shopify_nodeqa"},"typeVersion":1},{"name":"Function","type":"n8n-nodes-base.function","position":[300,1400],"parameters":{"functionCode":"let totalOrders = items.length;\nlet ordersSum = 0;\n\nfor(let i=0; i < items.length; i++) {\n  ordersSum = ordersSum + parseFloat(items[i].json.orderPrice);\n}\nreturn [{json:{totalOrders, ordersSum}}]"},"typeVersion":1},{"name":"Google Sheets","type":"n8n-nodes-base.googleSheets","position":[500,1500],"parameters":{"options":{},"sheetId":"1GVyV1yYwWZu510NTzVgi2RyesrsnuP3RxXmWbX1O7DQ","operation":"append","authentication":"oAuth2"},"credentials":{"googleSheetsOAuth2Api":"google_sheets_oauth"},"typeVersion":1},{"name":"Slack","type":"n8n-nodes-base.slack","position":[500,1300],"parameters":{"text":"=Hey team, this week we had {{$json[\"totalOrders\"]}} orders with a total value of € {{$json[\"ordersSum\"]}}.","channel":"shopify","attachments":[],"otherOptions":{}},"credentials":{"slackApi":"slack_nodeqa"},"typeVersion":1},{"name":"Date & Time","type":"n8n-nodes-base.dateTime","position":[-300,1500],"parameters":{"value":"={{$json[\"created_at\"]}}","options":{},"dataPropertyName":"order_date"},"typeVersion":1},{"name":"IF","type":"n8n-nodes-base.if","position":[-100,1500],"parameters":{"conditions":{"dateTime":[{"value1":"={{$node[\"Date & Time\"].json[\"order_date\"]}}","value2":"2021-08-17T15:00:53.223Z"}]}},"typeVersion":1},{"name":"NoOp","type":"n8n-nodes-base.noOp","position":[100,1600],"parameters":{},"typeVersion":1},{"name":"Set price","type":"n8n-nodes-base.set","position":[100,1400],"parameters":{"values":{"number":[{"name":"orderPrice","value":"={{$json[\"total_price\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1}],"connections":{"IF":{"main":[[{"node":"Set price","type":"main","index":0}],[{"node":"NoOp","type":"main","index":0}]]},"Cron":{"main":[[{"node":"Shopify","type":"main","index":0}]]},"Shopify":{"main":[[{"node":"Date & Time","type":"main","index":0}]]},"Function":{"main":[[{"node":"Slack","type":"main","index":0},{"node":"Google Sheets","type":"main","index":0}]]},"Set price":{"main":[[{"node":"Function","type":"main","index":0}]]},"Date & Time":{"main":[[{"node":"IF","type":"main","index":0}]]}}}