{ "name": "WF-006: Ops Alerts (Budget/Anomalies)", "nodes": [ { "parameters": { "rule": { "interval": [ { "field": "hours", "hoursInterval": 1 } ] } }, "id": "cron-trigger", "name": "Hourly Trigger", "type": "n8n-nodes-base.scheduleTrigger", "typeVersion": 1.1, "position": [ 250, 300 ] }, { "parameters": { "operation": "executeQuery", "query": "WITH recent_metrics AS (SELECT tenant_id, campaign_id, SUM(spend) as total_spend, AVG(roas) as avg_roas, AVG(ctr) as avg_ctr, MAX(date) as last_date FROM ad_platform_metrics WHERE date >= CURRENT_DATE - INTERVAL '7 days' GROUP BY tenant_id, campaign_id), baseline AS (SELECT tenant_id, campaign_id, AVG(spend) as baseline_spend, AVG(roas) as baseline_roas, AVG(ctr) as baseline_ctr FROM ad_platform_metrics WHERE date >= CURRENT_DATE - INTERVAL '30 days' AND date < CURRENT_DATE - INTERVAL '7 days' GROUP BY tenant_id, campaign_id) SELECT c.id as campaign_id, c.name as campaign_name, c.budget, c.platform, t.id as tenant_id, t.name as tenant_name, t.owner_email, rm.total_spend, rm.avg_roas, rm.avg_ctr, b.baseline_roas, b.baseline_ctr, CASE WHEN c.budget > 0 AND rm.total_spend / c.budget > 0.9 THEN 'budget_exhaustion' WHEN rm.total_spend > b.baseline_spend * 2 THEN 'spend_spike' WHEN b.baseline_roas > 0 AND rm.avg_roas < b.baseline_roas * 0.5 THEN 'roas_collapse' WHEN b.baseline_ctr > 0 AND rm.avg_ctr < b.baseline_ctr * 0.5 THEN 'ctr_drop' ELSE NULL END as alert_type FROM campaigns c JOIN tenants t ON t.id = c.tenant_id LEFT JOIN recent_metrics rm ON rm.campaign_id = c.id LEFT JOIN baseline b ON b.campaign_id = c.id WHERE c.status = 'active'" }, "id": "detect-anomalies", "name": "Detect Anomalies", "type": "n8n-nodes-base.postgres", "typeVersion": 2.3, "position": [ 450, 300 ], "credentials": { "postgres": { "name": "" } } }, { "parameters": { "conditions": { "string": [ { "value1": "={{ $json.alert_type }}", "operation": "isNotEmpty" } ] } }, "id": "filter-alerts", "name": "Filter Alerts Only", "type": "n8n-nodes-base.filter", "typeVersion": 2, "position": [ 650, 300 ] }, { "parameters": { "operation": "executeQuery", "query": "SELECT 1 FROM workflow_executions WHERE idempotency_key = 'WF-006:{{ $json.campaign_id }}:{{ $json.alert_type }}:{{ $now.format(\"yyyy-MM-dd-HH\") }}'" }, "id": "check-idempotency", "name": "Check Idempotency", "type": "n8n-nodes-base.postgres", "typeVersion": 2.3, "position": [ 850, 300 ], "credentials": { "postgres": { "name": "" } } }, { "parameters": { "conditions": { "boolean": [ { "value1": "={{ $json.length }}", "value2": 0, "operation": "equal" } ] } }, "id": "filter-not-alerted", "name": "Skip Already Alerted", "type": "n8n-nodes-base.filter", "typeVersion": 2, "position": [ 1050, 300 ] }, { "parameters": { "jsCode": "// Determine severity and recommendation\nconst alert = $input.first().json;\n\nconst severityMap = {\n 'budget_exhaustion': 'critical',\n 'spend_spike': 'high',\n 'roas_collapse': 'critical',\n 'ctr_drop': 'medium',\n 'creative_fatigue': 'medium',\n 'conversion_drop': 'high'\n};\n\nconst descriptionMap = {\n 'budget_exhaustion': `Campaign budget is ${Math.round((alert.total_spend / alert.budget) * 100)}% exhausted. Consider increasing budget or pausing to avoid overspend.`,\n 'spend_spike': `Spend has increased by ${Math.round((alert.total_spend / (alert.baseline_spend || 1)) * 100)}% compared to baseline. Review for potential issues.`,\n 'roas_collapse': `ROAS has dropped to ${alert.avg_roas?.toFixed(2) || 'N/A'} from baseline ${alert.baseline_roas?.toFixed(2) || 'N/A'}. Immediate review recommended.`,\n 'ctr_drop': `CTR has dropped to ${(alert.avg_ctr * 100)?.toFixed(2) || 'N/A'}% from baseline ${(alert.baseline_ctr * 100)?.toFixed(2) || 'N/A'}%. Consider refreshing creatives.`\n};\n\nconst recommendationMap = {\n 'budget_exhaustion': 'Increase daily budget or pause campaign to prevent overspend.',\n 'spend_spike': 'Review recent changes and audience targeting for anomalies.',\n 'roas_collapse': 'Pause underperforming ad sets and review targeting.',\n 'ctr_drop': 'Refresh creative assets or adjust audience targeting.'\n};\n\nconst forceReview = ['budget_exhaustion', 'roas_collapse'].includes(alert.alert_type);\n\nreturn [{\n json: {\n ...alert,\n severity: severityMap[alert.alert_type] || 'medium',\n description: descriptionMap[alert.alert_type] || 'Anomaly detected',\n recommendation: recommendationMap[alert.alert_type] || 'Review campaign performance',\n force_review: forceReview\n }\n}];" }, "id": "enrich-alert", "name": "Enrich Alert Data", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 1250, 300 ] }, { "parameters": { "fromEmail": "={{ $env.SMTP_FROM_EMAIL }}", "toEmail": "={{ $json.owner_email }}", "subject": "[DeepSolution Alert] {{ $json.severity.toUpperCase() }}: {{ $json.alert_type.replace('_', ' ').toUpperCase() }} - {{ $json.campaign_name }}", "emailType": "html", "html": "\n\n\n \n\n\n
\n
\n

\u26a0\ufe0f ALERT: {{ $json.alert_type.replace('_', ' ').toUpperCase() }}

\n
\n
\n

Campaign: {{ $json.campaign_name }}

\n

Platform: {{ $json.platform }}

\n

Severity: {{ $json.severity.toUpperCase() }}

\n

Detected at: {{ $now.format('yyyy-MM-dd HH:mm') }}

\n \n
\n

Details:

\n

{{ $json.description }}

\n
\n \n
\n
\n Current Spend
\n ${{ $json.total_spend?.toFixed(2) || '0.00' }}\n
\n
\n Budget
\n ${{ $json.budget?.toFixed(2) || 'N/A' }}\n
\n
\n ROAS
\n {{ $json.avg_roas?.toFixed(2) || 'N/A' }}\n
\n
\n \n

Recommended Action:

\n

{{ $json.recommendation }}

\n \n {{#if $json.force_review}}\n

\u26a1 A campaign re-evaluation has been automatically triggered.

\n {{/if}}\n \n

View Campaign

\n
\n
\n

DeepSolution Ops Monitoring

\n
\n
\n\n", "options": {} }, "id": "send-alert", "name": "Send Alert Email", "type": "n8n-nodes-base.emailSend", "typeVersion": 2.1, "position": [ 1450, 300 ], "credentials": { "smtp": { "name": "" } } }, { "parameters": { "conditions": { "boolean": [ { "value1": "={{ $json.force_review }}", "operation": "isTrue" } ] } }, "id": "check-force-review", "name": "Check Force Review", "type": "n8n-nodes-base.if", "typeVersion": 2, "position": [ 1650, 300 ] }, { "parameters": { "operation": "executeQuery", "query": "UPDATE campaigns SET force_review = true WHERE id = '{{ $json.campaign_id }}'" }, "id": "trigger-review", "name": "Trigger Force Review", "type": "n8n-nodes-base.postgres", "typeVersion": 2.3, "position": [ 1850, 200 ], "credentials": { "postgres": { "name": "" } } }, { "parameters": {}, "id": "merge-paths", "name": "Merge Paths", "type": "n8n-nodes-base.merge", "typeVersion": 2.1, "position": [ 2050, 300 ] }, { "parameters": { "operation": "executeQuery", "query": "INSERT INTO workflow_executions (id, workflow_id, idempotency_key, tenant_id, entity_id, entity_type, status, created_at) VALUES (gen_random_uuid(), 'WF-006', 'WF-006:{{ $json.campaign_id }}:{{ $json.alert_type }}:{{ $now.format(\"yyyy-MM-dd-HH\") }}', '{{ $json.tenant_id }}', '{{ $json.campaign_id }}', 'campaign', 'completed', NOW())" }, "id": "record-execution", "name": "Record Execution", "type": "n8n-nodes-base.postgres", "typeVersion": 2.3, "position": [ 2250, 300 ], "credentials": { "postgres": { "name": "" } } }, { "parameters": { "operation": "executeQuery", "query": "INSERT INTO workflow_audit_logs (id, workflow_id, tenant_id, event_type, entity_type, entity_id, payload, created_at) VALUES (gen_random_uuid(), 'WF-006', '{{ $json.tenant_id }}', '{{ $json.force_review ? \"FORCE_REVIEW_TRIGGERED\" : \"OPS_ALERT_TRIGGERED\" }}', 'campaign', '{{ $json.campaign_id }}', '{{ JSON.stringify({alert_type: $json.alert_type, severity: $json.severity}) }}', NOW())" }, "id": "audit-log", "name": "Write Audit Log", "type": "n8n-nodes-base.postgres", "typeVersion": 2.3, "position": [ 2450, 300 ], "credentials": { "postgres": { "name": "" } } } ], "connections": { "Hourly Trigger": { "main": [ [ { "node": "Detect Anomalies", "type": "main", "index": 0 } ] ] }, "Detect Anomalies": { "main": [ [ { "node": "Filter Alerts Only", "type": "main", "index": 0 } ] ] }, "Filter Alerts Only": { "main": [ [ { "node": "Check Idempotency", "type": "main", "index": 0 } ] ] }, "Check Idempotency": { "main": [ [ { "node": "Skip Already Alerted", "type": "main", "index": 0 } ] ] }, "Skip Already Alerted": { "main": [ [ { "node": "Enrich Alert Data", "type": "main", "index": 0 } ] ] }, "Enrich Alert Data": { "main": [ [ { "node": "Send Alert Email", "type": "main", "index": 0 } ] ] }, "Send Alert Email": { "main": [ [ { "node": "Check Force Review", "type": "main", "index": 0 } ] ] }, "Check Force Review": { "main": [ [ { "node": "Trigger Force Review", "type": "main", "index": 0 } ], [ { "node": "Merge Paths", "type": "main", "index": 1 } ] ] }, "Trigger Force Review": { "main": [ [ { "node": "Merge Paths", "type": "main", "index": 0 } ] ] }, "Merge Paths": { "main": [ [ { "node": "Record Execution", "type": "main", "index": 0 } ] ] }, "Record Execution": { "main": [ [ { "node": "Write Audit Log", "type": "main", "index": 0 } ] ] } }, "settings": { "executionOrder": "v1", "saveManualExecutions": true, "callerPolicy": "workflowsFromSameOwner", "errorWorkflow": "error-handler" }, "tags": [ { "name": "ops", "id": "tag-ops" }, { "name": "scheduled", "id": "tag-scheduled" }, { "name": "alerts", "id": "tag-alerts" } ], "triggerCount": 1, "updatedAt": "2024-12-19T00:00:00.000Z", "versionId": "1.0.0" }