{ "id": "7", "name": "Coffee Bot (Mattermost)", "nodes": [ { "name": "Divide into groups", "type": "n8n-nodes-base.function", "position": [ 1060, 300 ], "parameters": { "functionCode": "const ideal_group_size = 3;\nlet groups = [];\nlet data_as_array = [];\nlet newItems = [];\n\n// Take all the users and add them to an array\nfor (let j = 0; j < items.length; j++) {\n data_as_array.push({username: items[j].json.username, email: items[j].json.email});\n}\n\n// Fisher-Yates (aka Knuth) Shuffle\nfunction shuffle(array) {\n var currentIndex = array.length, temporaryValue, randomIndex;\n\n // While there remain elements to shuffle...\n while (0 !== currentIndex) {\n\n // Pick a remaining element...\n randomIndex = Math.floor(Math.random() * currentIndex);\n currentIndex -= 1;\n\n // And swap it with the current element.\n temporaryValue = array[currentIndex];\n array[currentIndex] = array[randomIndex];\n array[randomIndex] = temporaryValue;\n }\n\n return array;\n}\n\n// Randomize the sequence of names in the array\ndata_as_array = shuffle(data_as_array);\n\n// Create groups of ideal group size (3)\nfor (let i = 0; i < data_as_array.length; i += ideal_group_size) {\n groups.push(data_as_array.slice(i, i + ideal_group_size));\n}\n\n// Make sure that no group has just one person. If it does, take\n// one from previous group and add it to that group \nfor (let k = 0; k < groups.length; k++) {\n if (groups[k].length === 1) {\n groups[k].push(groups[k-1].shift());\n }\n}\n\nfor (let l = 0; l < groups.length; l++) {\n newItems.push({json: {groupsUsername: groups[l].map(a=> a.username), groupsEmail: groups[l].map(b=> b.email)}})\n}\n\nreturn newItems;" }, "typeVersion": 1 }, { "name": "Greetings", "type": "n8n-nodes-base.mattermost", "position": [ 650, 300 ], "parameters": { "message": "👋 Happy Monday\n\nGroups for this week's virtual coffee are:", "channelId": "Enter Your Channel ID", "attachments": [], "otherOptions": {} }, "credentials": { "mattermostApi": "Mattermost Cred" }, "typeVersion": 1 }, { "name": "Weekly trigger on monday", "type": "n8n-nodes-base.cron", "position": [ 450, 300 ], "parameters": { "triggerTimes": { "item": [ { "hour": 10, "mode": "everyWeek" } ] } }, "typeVersion": 1 }, { "name": "Announce groups", "type": "n8n-nodes-base.mattermost", "position": [ 1250, 200 ], "parameters": { "message": "=☀️ {{$node[\"Divide into groups\"].json[\"groupsUsername\"].join(', ')}}", "channelId": "=", "attachments": [], "otherOptions": {} }, "credentials": { "mattermostApi": "Mattermost Cred" }, "typeVersion": 1 }, { "name": "Employees in coffee chat channel", "type": "n8n-nodes-base.mattermost", "position": [ 850, 300 ], "parameters": { "resource": "user", "operation": "getAll", "additionalFields": { "inChannel": "={{$node[\"Greetings\"].parameter[\"channelId\"]}}" } }, "credentials": { "mattermostApi": "Mattermost Cred" }, "typeVersion": 1 }, { "name": "Send calendar invites", "type": "n8n-nodes-base.googleCalendar", "position": [ 1250, 400 ], "parameters": { "end": "2020-12-17T18:38:49.000Z", "start": "2020-12-17T18:08:49.000Z", "calendar": "Enter Your Google Calendar", "additionalFields": { "summary": "n8n coffee catchup", "attendees": [ "={{$node[\"Divide into groups\"].json[\"groupsEmail\"].join(',')}}" ], "guestsCanModify": true, "conferenceDataUi": { "conferenceDataValues": { "conferenceSolution": "hangoutsMeet" } } } }, "credentials": { "googleCalendarOAuth2Api": "Google Calendar Cred" }, "typeVersion": 1 } ], "active": false, "settings": {}, "connections": { "Greetings": { "main": [ [ { "node": "Employees in coffee chat channel", "type": "main", "index": 0 } ] ] }, "Divide into groups": { "main": [ [ { "node": "Announce groups", "type": "main", "index": 0 }, { "node": "Send calendar invites", "type": "main", "index": 0 } ] ] }, "Weekly trigger on monday": { "main": [ [ { "node": "Greetings", "type": "main", "index": 0 } ] ] }, "Employees in coffee chat channel": { "main": [ [ { "node": "Divide into groups", "type": "main", "index": 0 } ] ] } } }