{ "edges": [ { "to": "984a6b52-88ac-45b3-8609-304ed0d4f1a8", "from": "3650268d-d219-45fc-8827-6792434af319", "toPort": "0", "fromPort": "ai_languageModel" }, { "to": "270c9b77-67cc-454f-8d0e-2e09ac26d2e5", "from": "025dc1e0-f596-4ba8-be6f-142d8fec46bd", "toPort": "0", "fromPort": "0" }, { "to": "984a6b52-88ac-45b3-8609-304ed0d4f1a8", "from": "bb25e4a1-cf34-4693-ae7c-0108c653ee59", "toPort": "0", "fromPort": "0" }, { "to": "2c5f57f2-42cd-454b-a531-5d4128706d61", "from": "3f66044c-56ed-4f63-8a0f-c9e92db2ba81", "toPort": "0", "fromPort": "0" }, { "to": "39af1065-74b1-44e2-86ca-1aa0de152996", "from": "3f66044c-56ed-4f63-8a0f-c9e92db2ba81", "toPort": "0", "fromPort": "0" }, { "to": "3f66044c-56ed-4f63-8a0f-c9e92db2ba81", "from": "270c9b77-67cc-454f-8d0e-2e09ac26d2e5", "toPort": "0", "fromPort": "0" }, { "to": "025dc1e0-f596-4ba8-be6f-142d8fec46bd", "from": "984a6b52-88ac-45b3-8609-304ed0d4f1a8", "toPort": "0", "fromPort": "0" } ], "nodes": [ { "id": "bb25e4a1-cf34-4693-ae7c-0108c653ee59", "name": "Workout Log Form", "type": "trigger", "params": { "kind": "n8n-nodes-base.formTrigger", "path": "9caa6885-c1c2-44b1-b749-ca28333a9cdf", "options": {}, "formTitle": "Workout Logger", "formFields": { "values": [ { "fieldType": "textarea", "fieldLabel": "What did you do today?", "placeholder": "e.g. Bench press 60kg x 10 x 3, Running 5km 28min, Squats bodyweight 20 reps x 4", "requiredField": true }, { "fieldType": "dropdown", "fieldLabel": "How do you feel? (1-10)", "fieldOptions": { "values": [ { "option": "1 - Exhausted" }, { "option": "2" }, { "option": "3" }, { "option": "4" }, { "option": "5 - Normal" }, { "option": "6" }, { "option": "7" }, { "option": "8" }, { "option": "9" }, { "option": "10 - Amazing" } ] }, "requiredField": true }, { "fieldType": "number", "fieldLabel": "Duration (minutes)", "requiredField": true }, { "fieldType": "textarea", "fieldLabel": "Notes", "placeholder": "Any injuries, PRs, or things to remember" } ] }, "formDescription": "Log your workout and get AI-powered analysis on muscle groups, calories, and progress tips." }, "position": [ -160, 64 ] }, { "id": "984a6b52-88ac-45b3-8609-304ed0d4f1a8", "name": "Analyze Workout with AI", "type": "llm", "params": { "text": "You are a certified personal trainer and sports scientist. Analyze this workout log and return ONLY valid JSON (no markdown, no extra text):\n\nWorkout description: {{ $json['What did you do today?'] }}\nDuration: {{ $json['Duration (minutes)'] }} minutes\nFeeling: {{ $json['How do you feel? (1-10)'] }}\nNotes: {{ $json['Notes'] || 'None' }}\n\nReturn this exact JSON structure:\n{\n \"exercises\": [\n {\n \"name\": \"Exercise name\",\n \"type\": \"strength/cardio/flexibility/other\",\n \"muscle_groups\": [\"primary muscles worked\"],\n \"sets\": 0,\n \"reps\": 0,\n \"weight_kg\": 0,\n \"duration_min\": 0,\n \"estimated_calories\": 0\n }\n ],\n \"summary\": {\n \"total_exercises\": 0,\n \"total_calories\": 0,\n \"primary_type\": \"strength/cardio/mixed\",\n \"muscle_groups_hit\": [\"list of all muscles worked\"],\n \"intensity\": \"low/moderate/high/very high\"\n },\n \"tips\": [\n \"One specific, actionable tip based on this workout\",\n \"Another tip about recovery or next session\"\n ],\n \"next_workout_suggestion\": \"Brief suggestion for complementary workout\"\n}", "prompt": "You are a certified personal trainer and sports scientist. Analyze this workout log and return ONLY valid JSON (no markdown, no extra text):\n\nWorkout description: {{ $json['What did you do today?'] }}\nDuration: {{ $json['Duration (minutes)'] }} minutes\nFeeling: {{ $json['How do you feel? (1-10)'] }}\nNotes: {{ $json['Notes'] || 'None' }}\n\nReturn this exact JSON structure:\n{\n \"exercises\": [\n {\n \"name\": \"Exercise name\",\n \"type\": \"strength/cardio/flexibility/other\",\n \"muscle_groups\": [\"primary muscles worked\"],\n \"sets\": 0,\n \"reps\": 0,\n \"weight_kg\": 0,\n \"duration_min\": 0,\n \"estimated_calories\": 0\n }\n ],\n \"summary\": {\n \"total_exercises\": 0,\n \"total_calories\": 0,\n \"primary_type\": \"strength/cardio/mixed\",\n \"muscle_groups_hit\": [\"list of all muscles worked\"],\n \"intensity\": \"low/moderate/high/very high\"\n },\n \"tips\": [\n \"One specific, actionable tip based on this workout\",\n \"Another tip about recovery or next session\"\n ],\n \"next_workout_suggestion\": \"Brief suggestion for complementary workout\"\n}", "provider": "openai", "promptType": "define", "approximated": true }, "position": [ 48, 64 ] }, { "id": "3650268d-d219-45fc-8827-6792434af319", "name": "Google Gemini", "type": "llm", "params": { "options": { "temperature": 0.2 }, "provider": "google", "modelName": "models/gemini-1.5-flash-latest", "temperature": 0.2 }, "position": [ 48, 240 ] }, { "id": "025dc1e0-f596-4ba8-be6f-142d8fec46bd", "name": "Parse AI Results", "type": "code", "params": { "jsCode": "// Parse and validate AI workout analysis\nconst aiResponse = $json.response || $json.text || '';\n\n// Extract JSON from response\nlet jsonStr = aiResponse;\nconst jsonMatch = aiResponse.match(/```(?:json)?\\s*([\\s\\S]*?)```/);\nif (jsonMatch) {\n jsonStr = jsonMatch[1].trim();\n}\n\nlet parsed;\ntry {\n parsed = JSON.parse(jsonStr);\n} catch (e) {\n parsed = {\n exercises: [],\n summary: {\n total_exercises: 0,\n total_calories: 0,\n primary_type: 'unknown',\n muscle_groups_hit: [],\n intensity: 'moderate'\n },\n tips: ['Could not parse workout details. Try being more specific next time.'],\n next_workout_suggestion: 'Rest day or light cardio'\n };\n}\n\n// Get original form data\nconst form = $('Workout Log Form').first().json;\nconst feelingRaw = form['How do you feel? (1-10)'] || '5';\nconst feeling = parseInt(feelingRaw.match(/\\d+/)?.[0] || '5');\n\nreturn {\n date: new Date().toISOString().split('T')[0],\n workout_description: form['What did you do today?'],\n duration_min: parseInt(form['Duration (minutes)']) || 0,\n feeling: feeling,\n notes: form['Notes'] || '',\n exercises: parsed.exercises || [],\n exercise_count: (parsed.exercises || []).length,\n total_calories: parsed.summary?.total_calories || 0,\n primary_type: parsed.summary?.primary_type || 'unknown',\n muscle_groups: (parsed.summary?.muscle_groups_hit || []).join(', '),\n intensity: parsed.summary?.intensity || 'moderate',\n tips: (parsed.tips || []).join(' | '),\n next_suggestion: parsed.next_workout_suggestion || '',\n logged_at: new Date().toISOString()\n};" }, "position": [ 336, 64 ] }, { "id": "270c9b77-67cc-454f-8d0e-2e09ac26d2e5", "name": "Save to Workout Sheet", "type": "integration", "params": { "columns": { "value": { "Date": "={{ $json.date }}", "Tips": "={{ $json.tips }}", "Type": "={{ $json.primary_type }}", "Notes": "={{ $json.notes }}", "Feeling": "={{ $json.feeling }}", "Muscles": "={{ $json.muscle_groups }}", "Workout": "={{ $json.workout_description }}", "Calories": "={{ $json.total_calories }}", "Duration": "={{ $json.duration_min }}", "Exercises": "={{ $json.exercise_count }}", "Intensity": "={{ $json.intensity }}", "Logged At": "={{ $json.logged_at }}", "Next Suggestion": "={{ $json.next_suggestion }}" }, "mappingMode": "defineBelow" }, "options": { "cellFormat": "USER_ENTERED" }, "service": "googleSheets", "operation": "appendOrUpdate", "sheetName": "Workouts", "documentId": "YOUR_GOOGLE_SHEET_ID" }, "position": [ 528, 64 ] }, { "id": "3f66044c-56ed-4f63-8a0f-c9e92db2ba81", "name": "Build Summary Message", "type": "code", "params": { "jsCode": "// Build a nice summary for notifications\nconst w = $json;\n\n// Emoji for feeling\nconst feelEmoji = w.feeling >= 8 ? '🔥' : w.feeling >= 5 ? '💪' : '😤';\n\n// Emoji for type\nconst typeEmoji = {\n 'strength': '🏋️',\n 'cardio': '🏃',\n 'mixed': '🏋️🏃',\n 'flexibility': '🧘'\n};\nconst tEmoji = typeEmoji[w.primary_type] || '💪';\n\nconst intensityBar = {\n 'low': '🟢',\n 'moderate': '🟡',\n 'high': '🟠',\n 'very high': '🔴'\n};\nconst iBar = intensityBar[w.intensity] || '🟡';\n\nconst slackMsg = [\n `${tEmoji} *Workout Logged* — ${w.date}`,\n ``,\n `*What:* ${w.workout_description}`,\n `*Duration:* ${w.duration_min} min | *Feeling:* ${w.feeling}/10 ${feelEmoji}`,\n `*Type:* ${w.primary_type} | *Intensity:* ${iBar} ${w.intensity}`,\n `*Calories:* ~${w.total_calories} kcal`,\n `*Muscles:* ${w.muscle_groups}`,\n ``,\n `💡 *Tips:* ${w.tips}`,\n `📋 *Next time:* ${w.next_suggestion}`,\n w.notes ? `📌 ${w.notes}` : ''\n].filter(Boolean).join('\\n');\n\nconst emailHtml = `

${tEmoji} Workout Summary — ${w.date}

Workout: ${w.workout_description}
\nDuration: ${w.duration_min} min | Feeling: ${w.feeling}/10 ${feelEmoji}
\nType: ${w.primary_type} | Intensity: ${w.intensity}
\nEstimated Calories: ~${w.total_calories} kcal
\nMuscle Groups: ${w.muscle_groups}

💡 Tips

${w.tips.replace(/ \\| /g, '
')}

📋 Next Workout Suggestion

${w.next_suggestion}

\n${w.notes ? '

Notes: ' + w.notes + '

' : ''}\n

Logged automatically via n8n Workout Tracker

`;\n\nreturn {\n ...w,\n slack_message: slackMsg,\n email_html: emailHtml\n};" }, "position": [ 736, 64 ] }, { "id": "2c5f57f2-42cd-454b-a531-5d4128706d61", "name": "Notify on Slack", "type": "integration", "params": { "text": "={{ $json.slack_message }}", "select": "channel", "service": "slack", "channelId": "YOUR_SLACK_CHANNEL_ID", "operation": "read", "otherOptions": {} }, "position": [ 1008, -16 ] }, { "id": "39af1065-74b1-44e2-86ca-1aa0de152996", "name": "Email Summary", "type": "integration", "params": { "sendTo": "YOUR_EMAIL_ADDRESS", "message": "={{ $json.email_html }}", "options": {}, "service": "gmail", "subject": "Workout logged: {{ $json.primary_type }} {{ $json.duration_min }}min — {{ $json.total_calories }} kcal ({{ $json.date }})", "operation": "read" }, "position": [ 1008, 176 ] } ] }

Log workouts and get AI fitness analysis with a form, Google Gemini, Sheets, Slack, and Gmail