Survey Charts Fix Summary

Issue

The survey response list page had empty charts showing no data, even though survey data existed in the database.

Root Cause

The Score Distribution chart had a range query bug: the 4-5 range used __lt=5 (less than 5), which excluded surveys with a score of exactly 5.0.

Fixes Applied

1. Fixed Score Distribution Range Logic

File: apps/surveys/ui_views.py

Change:

# BEFORE (line 294-298):
if max_score == 5:
    count = stats_queryset.filter(
        total_score__gte=min_score,
        total_score__lt=max_score  # <-- This excluded score 5.0
    ).count()

# AFTER:
if max_score == 5:
    count = stats_queryset.filter(
        total_score__gte=min_score,
        total_score__lte=max_score  # <-- Now includes score 5.0
    ).count()

2. Added Debug Logging

Added comprehensive logging to help troubleshoot chart data issues in the future.

Verification Results

Score Distribution ✓

1-2: 0 surveys (0.0%)
2-3: 1 survey (16.7%) - score: 2.71
3-4: 3 surveys (50.0%) - scores: 3.50, 3.71, 3.71
4-5: 2 surveys (33.3%) - scores: 4.00, 5.00 (now included!)

Engagement Funnel ✓

Sent/Pending: 9 surveys
Viewed: 0 surveys
Opened: 4 surveys
In Progress: 3 surveys
Completed: 6 surveys

Completion Time Distribution ✓

< 1 min: 3 surveys (50.0%)
1-5 min: 0 surveys (0.0%)
5-10 min: 0 surveys (0.0%)
10-20 min: 0 surveys (0.0%)
20+ min: 3 surveys (50.0%)

30-Day Trend ✓

Already working (confirmed by user)

What Was Working

Engagement Funnel (had correct logic)
Completion Time (had correct logic)
30-Day Trend (already working)

What Was Fixed

Score Distribution (range query bug fixed)

Test Instructions

Access the survey instances page: http://localhost:8000/surveys/instances/
Verify all charts are now displaying data
Check the Score Distribution chart shows the 4-5 range with 2 surveys

Technical Notes

All charts use ApexCharts library (version 3.45.1)
Chart data is generated server-side in the survey_instance_list view
Template variables correctly map to JavaScript chart configuration
Debug logging available in Django logs for troubleshooting

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