clickhouse

src/Jiaowu.Api/Controllers/ClickHouseAnalyticsController.cs

@@ -0,0 +1,88 @@
+using Jiaowu.Api.Domain.Identity;
+using Jiaowu.Api.Infrastructure.Analytics;
+using Jiaowu.Api.Infrastructure.Auth;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Jiaowu.Api.Controllers;
+
+[ApiController]
+[Authorize(Roles = AnalyticsUsers)]
+[Route("api/clickhouse-analytics")]
+public sealed class ClickHouseAnalyticsController(
+    ClickHouseAnalyticsClient client,
+    ClickHouseAnalyticsOptions options,
+    ICurrentUserDataScope currentUserDataScope) : ControllerBase
+{
+    private const string AnalyticsUsers =
+        SystemRoles.SuperAdmin + "," + SystemRoles.AcademicAdmin + "," +
+        SystemRoles.CollegeAdmin + "," + SystemRoles.Leader;
+
+    [HttpGet("status")]
+    public ActionResult GetStatus() => Ok(new
+    {
+        options.Enabled,
+        options.SyncIntervalSeconds,
+        options.SourceLookbackDays,
+        options.BatchSize,
+        options.Database
+    });
+
+    [HttpGet("overview")]
+    public async Task<ActionResult> GetOverview(
+        DateOnly? from,
+        DateOnly? to,
+        CancellationToken cancellationToken)
+    {
+        if (!options.Enabled)
+            return Conflict(new ProblemDetails
+            {
+                Title = "ClickHouse 分析未启用",
+                Detail = "请先配置 ClickHouseAnalytics 并启动分析库。",
+                Status = StatusCodes.Status409Conflict
+            });
+
+        var end = to ?? DateOnly.FromDateTime(DateTime.UtcNow);
+        var start = from ?? end.AddDays(-29);
+        if (start > end || end.DayNumber - start.DayNumber > 366)
+            return ValidationProblem("分析时间范围应为 1 到 366 天，且开始日期不能晚于结束日期。");
+
+        var scope = currentUserDataScope.Current;
+        var collegeFilter = scope.RestrictedCollegeId is { } collegeId
+            ? $" AND collegeId = toUUID('{collegeId:D}')"
+            : string.Empty;
+        var dateFilter = $"attendanceDate >= toDate('{start:yyyy-MM-dd}') AND attendanceDate <= toDate('{end:yyyy-MM-dd}')";
+
+        var attendance = await client.QueryAsync($"""
+            SELECT attendanceDate, count() AS total, countIf(status = 1) AS present,
+                   countIf(status = 2) AS absent, countIf(status = 3) AS late
+            FROM {options.Database}.attendanceRecords FINAL
+            WHERE {dateFilter}{collegeFilter}
+            GROUP BY attendanceDate ORDER BY attendanceDate
+            """, cancellationToken);
+        var grades = await client.QueryAsync($"""
+            SELECT academicTermId, any(academicTermName) AS academicTermName,
+                   sum(studentCount) AS studentCount,
+                   round(sum(averageScore * studentCount) / nullIf(sum(studentCount), 0), 2) AS averageScore,
+                   round(sum(passedCount) / nullIf(sum(studentCount), 0), 4) AS passRate
+            FROM {options.Database}.gradeStatistics FINAL
+            WHERE 1 = 1{collegeFilter}
+            GROUP BY academicTermId ORDER BY academicTermName
+            """, cancellationToken);
+
+        // Audit data has no college dimension, so it is never exposed to a
+        // college-scoped administrator.
+        var audit = scope.RestrictedCollegeId is null
+            ? await client.QueryAsync($"""
+                SELECT toDate(occurredAt) AS date, count() AS total,
+                       countIf(statusCode >= 400) AS failed
+                FROM {options.Database}.auditEvents FINAL
+                WHERE occurredAt >= toDateTime('{start:yyyy-MM-dd}')
+                  AND occurredAt < toDateTime('{end.AddDays(1):yyyy-MM-dd}')
+                GROUP BY date ORDER BY date
+                """, cancellationToken)
+            : [];
+
+        return Ok(new { Start = start, End = end, Attendance = attendance, Grades = grades, Audit = audit });
+    }
+}