Workflow: post to mattermost v2
Integrations: cron, function, httpRequest, if, noOp, rssFeedRead

{"id": "2", "name": "post to mattermost v2", "nodes": [{"name": "RSS Feed Read", "type": "n8n-nodes-base.rssFeedRead", "position": [580, 150], "parameters": {"url": "{HERE YOUR TINY TINY RSS PUBLIC FEED}"}, "typeVersion": 1}, {"name": "HTTP Request", "type": "n8n-nodes-base.httpRequest", "position": [1170, 90], "parameters": {"url": "=https://{HERE YOUR MASTONDON INSTANCE URL}/api/v1/statuses?access_token={HERE YOUR MASTODON ACCESS TOKEN}", "options": {}, "requestMethod": "POST", "queryParametersUi": {"parameter": [{"name": "status", "value": "={{$node[\"RSS Feed Read\"].json[\"title\"]}} \n{{$node[\"RSS Feed Read\"].json[\"link\"]}}"}]}}, "typeVersion": 1}, {"name": "Cron", "type": "n8n-nodes-base.cron", "position": [400, 150], "parameters": {"triggerTimes": {"item": [{"mode": "everyX", "unit": "minutes", "value": 10}]}}, "typeVersion": 1}, {"name": "Function", "type": "n8n-nodes-base.function", "position": [790, 150], "parameters": {"functionCode": "// Get the global workflow static data\nconst staticData = getWorkflowStaticData('global');\n\n// Access its data\nconst lastRssId = staticData.lastRssId\n\nlet list = []\n\n\nfor (const item of $items(\"RSS Feed Read\")){\n  let currentId = item.json[\"id\"].split('/').pop()\n  if(currentId == lastRssId) break;\n  list.push({'json': {\n    'id': currentId,\n    'lastId': lastRssId,\n    'title': item.json[\"title\"],\n    'url': item.json[\"link\"]\n  }})\n}\n\n\n// Get the last ID from Rss Feed\nlet currentRssId = $item(0).$node[\"RSS Feed Read\"].json[\"id\"].split('/').pop()\n\n// TODO: make a loop to get all the items beyond the last saved id\nif(!lastRssId || currentRssId != lastRssId)\n{  \n  // Update its data\n  staticData.lastRssId = currentRssId;\n  \n}\nelse { list = [{'json':{'id': 'NaN', 'lastId': staticData.lastRssId }}] }\nreturn list;\n\n"}, "typeVersion": 1}, {"name": "IF", "type": "n8n-nodes-base.if", "position": [960, 150], "parameters": {"conditions": {"string": [{"value1": "={{$node[\"Function\"].json[\"id\"]}}", "value2": "NaN", "operation": "notEqual"}], "boolean": []}}, "typeVersion": 1}, {"name": "NoOp", "type": "n8n-nodes-base.noOp", "position": [1180, 280], "parameters": {}, "typeVersion": 1}], "active": true, "settings": {}, "connections": {"IF": {"main": [[{"node": "HTTP Request", "type": "main", "index": 0}], [{"node": "NoOp", "type": "main", "index": 0}]]}, "Cron": {"main": [[{"node": "RSS Feed Read", "type": "main", "index": 0}]]}, "Function": {"main": [[{"node": "IF", "type": "main", "index": 0}]]}, "RSS Feed Read": {"main": [[{"node": "Function", "type": "main", "index": 0}]]}}}