feat(dashboard): added stats endpoint to compute stats on server side and avoid limit

apps/sim/app/api/logs/stats/route.ts

@@ -0,0 +1,297 @@
+import { db } from '@sim/db'
+import { permissions, workflow, workflowExecutionLogs } from '@sim/db/schema'
+import { createLogger } from '@sim/logger'
+import { and, eq, sql } from 'drizzle-orm'
+import { type NextRequest, NextResponse } from 'next/server'
+import { z } from 'zod'
+import { getSession } from '@/lib/auth'
+import { generateRequestId } from '@/lib/core/utils/request'
+import { buildFilterConditions, LogFilterParamsSchema } from '@/lib/logs/filters'
+
+const logger = createLogger('LogsStatsAPI')
+
+export const revalidate = 0
+
+const StatsQueryParamsSchema = LogFilterParamsSchema.extend({
+  segmentCount: z.coerce.number().optional().default(72),
+})
+
+export interface SegmentStats {
+  timestamp: string
+  totalExecutions: number
+  successfulExecutions: number
+  avgDurationMs: number
+}
+
+export interface WorkflowStats {
+  workflowId: string
+  workflowName: string
+  segments: SegmentStats[]
+  overallSuccessRate: number
+  totalExecutions: number
+  totalSuccessful: number
+}
+
+export interface DashboardStatsResponse {
+  workflows: WorkflowStats[]
+  aggregateSegments: SegmentStats[]
+  totalRuns: number
+  totalErrors: number
+  avgLatency: number
+  timeBounds: {
+    start: string
+    end: string
+  }
+  segmentMs: number
+}
+
+export async function GET(request: NextRequest) {
+  const requestId = generateRequestId()
+
+  try {
+    const session = await getSession()
+    if (!session?.user?.id) {
+      logger.warn(`[${requestId}] Unauthorized logs stats access attempt`)
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+    }
+
+    const userId = session.user.id
+
+    try {
+      const { searchParams } = new URL(request.url)
+      const params = StatsQueryParamsSchema.parse(Object.fromEntries(searchParams.entries()))
+
+      const workspaceFilter = eq(workflowExecutionLogs.workspaceId, params.workspaceId)
+
+      const commonFilters = buildFilterConditions(params, { useSimpleLevelFilter: true })
+      const whereCondition = commonFilters ? and(workspaceFilter, commonFilters) : workspaceFilter
+
+      const boundsQuery = await db
+        .select({
+          minTime: sql<string>`MIN(${workflowExecutionLogs.startedAt})`,
+          maxTime: sql<string>`MAX(${workflowExecutionLogs.startedAt})`,
+        })
+        .from(workflowExecutionLogs)
+        .innerJoin(workflow, eq(workflowExecutionLogs.workflowId, workflow.id))
+        .innerJoin(
+          permissions,
+          and(
+            eq(permissions.entityType, 'workspace'),
+            eq(permissions.entityId, workflowExecutionLogs.workspaceId),
+            eq(permissions.userId, userId)
+          )
+        )
+        .where(whereCondition)
+
+      const bounds = boundsQuery[0]
+      const now = new Date()
+
+      let startTime: Date
+      let endTime: Date
+
+      if (!bounds?.minTime || !bounds?.maxTime) {
+        endTime = now
+        startTime = new Date(now.getTime() - 24 * 60 * 60 * 1000)
+      } else {
+        startTime = new Date(bounds.minTime)
+        endTime = new Date(Math.max(new Date(bounds.maxTime).getTime(), now.getTime()))
+      }
+
+      const totalMs = Math.max(1, endTime.getTime() - startTime.getTime())
+      const segmentMs = Math.max(60000, Math.floor(totalMs / params.segmentCount))
+
+      const statsQuery = await db
+        .select({
+          workflowId: workflowExecutionLogs.workflowId,
+          workflowName: workflow.name,
+          segmentIndex:
+            sql<number>`FLOOR(EXTRACT(EPOCH FROM (${workflowExecutionLogs.startedAt} - ${startTime}::timestamp)) * 1000 / ${segmentMs})`.as(
+              'segment_index'
+            ),
+          totalExecutions: sql<number>`COUNT(*)`.as('total_executions'),
+          successfulExecutions:
+            sql<number>`COUNT(*) FILTER (WHERE ${workflowExecutionLogs.level} != 'error')`.as(
+              'successful_executions'
+            ),
+          avgDurationMs:
+            sql<number>`COALESCE(AVG(${workflowExecutionLogs.totalDurationMs}) FILTER (WHERE ${workflowExecutionLogs.totalDurationMs} > 0), 0)`.as(
+              'avg_duration_ms'
+            ),
+        })
+        .from(workflowExecutionLogs)
+        .innerJoin(workflow, eq(workflowExecutionLogs.workflowId, workflow.id))
+        .innerJoin(
+          permissions,
+          and(
+            eq(permissions.entityType, 'workspace'),
+            eq(permissions.entityId, workflowExecutionLogs.workspaceId),
+            eq(permissions.userId, userId)
+          )
+        )
+        .where(whereCondition)
+        .groupBy(
+          workflowExecutionLogs.workflowId,
+          workflow.name,
+          sql`FLOOR(EXTRACT(EPOCH FROM (${workflowExecutionLogs.startedAt} - ${startTime}::timestamp)) * 1000 / ${segmentMs})`
+        )
+        .orderBy(workflowExecutionLogs.workflowId, sql`segment_index`)
+
+      const workflowMap = new Map<
+        string,
+        {
+          workflowId: string
+          workflowName: string
+          segments: Map<number, SegmentStats>
+          totalExecutions: number
+          totalSuccessful: number
+        }
+      >()
+
+      for (const row of statsQuery) {
+        const segmentIndex = Math.min(
+          params.segmentCount - 1,
+          Math.max(0, Math.floor(Number(row.segmentIndex)))
+        )
+
+        if (!workflowMap.has(row.workflowId)) {
+          workflowMap.set(row.workflowId, {
+            workflowId: row.workflowId,
+            workflowName: row.workflowName,
+            segments: new Map(),
+            totalExecutions: 0,
+            totalSuccessful: 0,
+          })
+        }
+
+        const wf = workflowMap.get(row.workflowId)!
+        wf.totalExecutions += Number(row.totalExecutions)
+        wf.totalSuccessful += Number(row.successfulExecutions)
+
+        const existing = wf.segments.get(segmentIndex)
+        if (existing) {
+          const oldTotal = existing.totalExecutions
+          const newTotal = oldTotal + Number(row.totalExecutions)
+          existing.totalExecutions = newTotal
+          existing.successfulExecutions += Number(row.successfulExecutions)
+          existing.avgDurationMs =
+            newTotal > 0
+              ? (existing.avgDurationMs * oldTotal +
+                  Number(row.avgDurationMs || 0) * Number(row.totalExecutions)) /
+                newTotal
+              : 0
+        } else {
+          wf.segments.set(segmentIndex, {
+            timestamp: new Date(startTime.getTime() + segmentIndex * segmentMs).toISOString(),
+            totalExecutions: Number(row.totalExecutions),
+            successfulExecutions: Number(row.successfulExecutions),
+            avgDurationMs: Number(row.avgDurationMs || 0),
+          })
+        }
+      }
+
+      const workflows: WorkflowStats[] = []
+      for (const wf of workflowMap.values()) {
+        const segments: SegmentStats[] = []
+        for (let i = 0; i < params.segmentCount; i++) {
+          const existing = wf.segments.get(i)
+          if (existing) {
+            segments.push(existing)
+          } else {
+            segments.push({
+              timestamp: new Date(startTime.getTime() + i * segmentMs).toISOString(),
+              totalExecutions: 0,
+              successfulExecutions: 0,
+              avgDurationMs: 0,
+            })
+          }
+        }
+
+        workflows.push({
+          workflowId: wf.workflowId,
+          workflowName: wf.workflowName,
+          segments,
+          totalExecutions: wf.totalExecutions,
+          totalSuccessful: wf.totalSuccessful,
+          overallSuccessRate:
+            wf.totalExecutions > 0 ? (wf.totalSuccessful / wf.totalExecutions) * 100 : 100,
+        })
+      }
+
+      workflows.sort((a, b) => {
+        const errA = a.overallSuccessRate < 100 ? 1 - a.overallSuccessRate / 100 : 0
+        const errB = b.overallSuccessRate < 100 ? 1 - b.overallSuccessRate / 100 : 0
+        if (errA !== errB) return errB - errA
+        return a.workflowName.localeCompare(b.workflowName)
+      })
+
+      const aggregateSegments: SegmentStats[] = []
+      let totalRuns = 0
+      let totalErrors = 0
+      let weightedLatencySum = 0
+      let latencyCount = 0
+
+      for (let i = 0; i < params.segmentCount; i++) {
+        let segTotal = 0
+        let segSuccess = 0
+        let segWeightedLatency = 0
+        let segLatencyCount = 0
+
+        for (const wf of workflows) {
+          const seg = wf.segments[i]
+          segTotal += seg.totalExecutions
+          segSuccess += seg.successfulExecutions
+          if (seg.avgDurationMs > 0 && seg.totalExecutions > 0) {
+            segWeightedLatency += seg.avgDurationMs * seg.totalExecutions
+            segLatencyCount += seg.totalExecutions
+          }
+        }
+
+        totalRuns += segTotal
+        totalErrors += segTotal - segSuccess
+        weightedLatencySum += segWeightedLatency
+        latencyCount += segLatencyCount
+
+        aggregateSegments.push({
+          timestamp: new Date(startTime.getTime() + i * segmentMs).toISOString(),
+          totalExecutions: segTotal,
+          successfulExecutions: segSuccess,
+          avgDurationMs: segLatencyCount > 0 ? segWeightedLatency / segLatencyCount : 0,
+        })
+      }
+
+      const avgLatency = latencyCount > 0 ? weightedLatencySum / latencyCount : 0
+
+      const response: DashboardStatsResponse = {
+        workflows,
+        aggregateSegments,
+        totalRuns,
+        totalErrors,
+        avgLatency,
+        timeBounds: {
+          start: startTime.toISOString(),
+          end: endTime.toISOString(),
+        },
+        segmentMs,
+      }
+
+      return NextResponse.json(response, { status: 200 })
+    } catch (validationError) {
+      if (validationError instanceof z.ZodError) {
+        logger.warn(`[${requestId}] Invalid logs stats request parameters`, {
+          errors: validationError.errors,
+        })
+        return NextResponse.json(
+          {
+            error: 'Invalid request parameters',
+            details: validationError.errors,
+          },
+          { status: 400 }
+        )
+      }
+      throw validationError
+    }
+  } catch (error: any) {
+    logger.error(`[${requestId}] logs stats fetch error`, error)
+    return NextResponse.json({ error: error.message }, { status: 500 })
+  }
+}