Initial commit: Happy Up monorepo through Sprint 5.

Document-driven MVP with FastAPI backend, Vue H5, WeChat mini shell, product demo, and Docker dev stack. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-23 11:42:40 +08:00
commit 1aaef71f52
116 changed files with 10550 additions and 0 deletions
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+from datetime import datetime, timedelta, timezone
+
+from sqlalchemy import func, select
+from sqlalchemy.orm import Session
+
+from app.db.models import AnalysisTask, Child, Report, TrainingPlan, TrainingRecord, Video
+
+
+def _tenant_child_ids_subquery(tenant_id: int):
+    return select(Child.id).where(Child.tenant_id == tenant_id).scalar_subquery()
+
+
+def get_dashboard_metrics(db: Session, tenant_id: int | None = None) -> dict:
+    since = datetime.now(timezone.utc) - timedelta(days=30)
+
+    child_q = select(func.count()).select_from(Child).where(Child.status == "active")
+    video_q = select(func.count()).select_from(Video)
+    report_q = select(func.count()).select_from(Report).where(Report.status == "published")
+    plan_q = select(func.count()).select_from(TrainingPlan).where(TrainingPlan.status == "active")
+    new_child_q = select(func.count()).select_from(Child).where(Child.created_at >= since)
+    succeeded_q = select(func.count()).select_from(AnalysisTask).where(
+        AnalysisTask.status == "SUCCEEDED"
+    )
+    reassessment_q = select(func.count()).select_from(AnalysisTask).where(
+        AnalysisTask.task_type == "reassessment", AnalysisTask.status == "SUCCEEDED"
+    )
+    pending_review_q = select(func.count()).select_from(Report).where(Report.reviewed_by.is_(None))
+    pending_training_q = select(func.count()).select_from(TrainingRecord).where(
+        TrainingRecord.score.is_not(None)
+    )
+
+    if tenant_id:
+        tenant_children = _tenant_child_ids_subquery(tenant_id)
+        child_q = child_q.where(Child.tenant_id == tenant_id)
+        new_child_q = new_child_q.where(Child.tenant_id == tenant_id)
+        video_q = video_q.where(Video.child_id.in_(tenant_children))
+        report_q = report_q.where(Report.child_id.in_(tenant_children))
+        plan_q = plan_q.where(TrainingPlan.child_id.in_(tenant_children))
+        succeeded_q = succeeded_q.where(AnalysisTask.child_id.in_(tenant_children))
+        reassessment_q = reassessment_q.where(AnalysisTask.child_id.in_(tenant_children))
+        pending_review_q = pending_review_q.where(Report.child_id.in_(tenant_children))
+        pending_training_q = pending_training_q.where(TrainingRecord.child_id.in_(tenant_children))
+
+    new_children = db.scalar(new_child_q) or 0
+    uploaded_videos = db.scalar(video_q) or 0
+    completed_reports = db.scalar(report_q) or 0
+    active_plans = db.scalar(plan_q) or 0
+    succeeded_tasks = db.scalar(succeeded_q) or 0
+    reassessment_done = db.scalar(reassessment_q) or 0
+
+    conversion_rate = round(completed_reports / max(succeeded_tasks, 1), 2)
+    reassessment_rate = round(reassessment_done / max(active_plans, 1), 2)
+
+    pending_review = db.scalar(pending_review_q) or 0
+    pending_training = db.scalar(pending_training_q) or 0
+
+    return {
+        "newChildren": new_children,
+        "uploadedVideos": uploaded_videos,
+        "completedReports": completed_reports,
+        "activePlans": active_plans,
+        "conversionRate": min(conversion_rate, 1.0),
+        "reassessmentCompletionRate": min(reassessment_rate, 1.0),
+        "pendingReviewReports": pending_review,
+        "pendingTrainingReview": pending_training,
+    }