考试排考

2026-07-25 14:51:17 +08:00
parent 36049af692
commit 4e7da6709e
12 changed files with 1306 additions and 118 deletions
@@ -564,13 +564,16 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
            entity.Property(x => x.Notes).HasMaxLength(500);
            entity.HasIndex(x => new { x.ExamPlanId, x.StartsAt });
            entity.HasIndex(x => x.TeachingTaskId);
-            entity.HasIndex(x => x.ClassroomId);
+            entity.HasIndex(x => new { x.ExamPlanId, x.ExamDate });
+            entity.HasIndex(x => x.RequiredBuildingId);
            entity.HasOne(x => x.ExamPlan).WithMany(x => x.Sessions)
                .HasForeignKey(x => x.ExamPlanId).OnDelete(DeleteBehavior.Cascade);
            entity.HasOne(x => x.TeachingTask).WithMany()
                .HasForeignKey(x => x.TeachingTaskId).OnDelete(DeleteBehavior.Restrict);
            entity.HasOne(x => x.Classroom).WithMany()
-                .HasForeignKey(x => x.ClassroomId).OnDelete(DeleteBehavior.Restrict);
+                .HasForeignKey(x => x.ClassroomId).OnDelete(DeleteBehavior.SetNull);
+            entity.HasOne(x => x.RequiredBuilding).WithMany()
+                .HasForeignKey(x => x.RequiredBuildingId).OnDelete(DeleteBehavior.SetNull);
        });
        builder.Entity<ExamSessionInvigilator>(entity =>
        {
@@ -583,8 +583,12 @@ public sealed class DatabaseInitializer(
                {
                    TeachingTaskId = task.Id,
                    ClassroomId = room.Id,
+                    ExamDate = new DateOnly(2027, 1, 8),
+                    StartPeriod = 1,
+                    PeriodCount = 2,
                    StartsAt = new DateTime(2027, 1, 8, 9, 0, 0, DateTimeKind.Utc),
                    EndsAt = new DateTime(2027, 1, 8, 11, 0, 0, DateTimeKind.Utc),
+                    RequiredInvigilatorCount = 2,
                    Invigilators =
                    [
                        new ExamSessionInvigilator { TeacherId = teacher.Id }
@@ -32,6 +32,8 @@ public sealed class DevelopmentSqliteMigrator(
        "20260725_18_schedule_publish_jobs";
    private const string FlexibleGradesMigration =
        "20260725_19_flexible_grades";
+    private const string ExamSchedulingOptimizationMigration =
+        "20260725_20_exam_scheduling_optimization";

    public async Task MigrateAsync(CancellationToken cancellationToken = default)
    {
@@ -208,6 +210,21 @@ public sealed class DevelopmentSqliteMigrator(
            AttendanceMigration,
            attendanceSheetsExist ? [] : AttendanceStatements,
            cancellationToken);
+
+        var examSchedulingOptimizationExists = await db.Database
+            .SqlQueryRaw<int>(
+                """
+                SELECT COUNT(*) AS "Value"
+                FROM pragma_table_info('ExamSessions')
+                WHERE name = 'ExamDate'
+                """)
+            .AnyAsync(value => value > 0, cancellationToken);
+        await ApplyMigrationAsync(
+            ExamSchedulingOptimizationMigration,
+            examSchedulingOptimizationExists
+                ? []
+                : ExamSchedulingOptimizationStatements,
+            cancellationToken);
    }

    private async Task ApplyMigrationAsync(
@@ -1367,4 +1384,81 @@ public sealed class DevelopmentSqliteMigrator(
            ON "SchedulePublishJobs" ("RequestedByUserId");
        """
    ];
+
+    private static readonly string[] ExamSchedulingOptimizationStatements =
+    [
+        """
+        ALTER TABLE "ExamSessions" ADD COLUMN "ExamDate" TEXT NOT NULL DEFAULT '2027-01-01';
+        """,
+        """
+        ALTER TABLE "ExamSessions" ADD COLUMN "StartPeriod" INTEGER NOT NULL DEFAULT 1;
+        """,
+        """
+        ALTER TABLE "ExamSessions" ADD COLUMN "PeriodCount" INTEGER NOT NULL DEFAULT 2;
+        """,
+        """
+        ALTER TABLE "ExamSessions" ADD COLUMN "RequiredBuildingId" TEXT NULL;
+        """,
+        """
+        ALTER TABLE "ExamSessions" ADD COLUMN "RequiredInvigilatorCount" INTEGER NOT NULL DEFAULT 2;
+        """,
+        """
+        CREATE TABLE "ExamSessions_Temp" (
+            "Id" TEXT NOT NULL CONSTRAINT "PK_ExamSessions" PRIMARY KEY,
+            "ExamPlanId" TEXT NOT NULL,
+            "TeachingTaskId" TEXT NOT NULL,
+            "ClassroomId" TEXT NULL,
+            "ExamDate" TEXT NOT NULL,
+            "StartPeriod" INTEGER NOT NULL,
+            "PeriodCount" INTEGER NOT NULL,
+            "StartsAt" TEXT NOT NULL,
+            "EndsAt" TEXT NOT NULL,
+            "RequiredBuildingId" TEXT NULL,
+            "RequiredInvigilatorCount" INTEGER NOT NULL,
+            "Notes" TEXT NULL,
+            "CreatedAt" TEXT NOT NULL,
+            "UpdatedAt" TEXT NOT NULL,
+            CONSTRAINT "FK_ExamSessions_ExamPlans_ExamPlanId"
+                FOREIGN KEY ("ExamPlanId") REFERENCES "ExamPlans" ("Id") ON DELETE CASCADE,
+            CONSTRAINT "FK_ExamSessions_TeachingTasks_TeachingTaskId"
+                FOREIGN KEY ("TeachingTaskId") REFERENCES "TeachingTasks" ("Id") ON DELETE RESTRICT,
+            CONSTRAINT "FK_ExamSessions_Classrooms_ClassroomId"
+                FOREIGN KEY ("ClassroomId") REFERENCES "Classrooms" ("Id") ON DELETE SET NULL,
+            CONSTRAINT "FK_ExamSessions_Buildings_RequiredBuildingId"
+                FOREIGN KEY ("RequiredBuildingId") REFERENCES "Buildings" ("Id") ON DELETE SET NULL
+        );
+        """,
+        """
+        INSERT INTO "ExamSessions_Temp"
+            ("Id","ExamPlanId","TeachingTaskId","ClassroomId","ExamDate",
+             "StartPeriod","PeriodCount","StartsAt","EndsAt",
+             "RequiredBuildingId","RequiredInvigilatorCount",
+             "Notes","CreatedAt","UpdatedAt")
+        SELECT "Id","ExamPlanId","TeachingTaskId","ClassroomId",
+               '2027-01-01',
+               1,2,
+               "StartsAt","EndsAt",
+               NULL,2,
+               "Notes","CreatedAt","UpdatedAt"
+        FROM "ExamSessions";
+        """,
+        "DROP TABLE \"ExamSessions\";",
+        "ALTER TABLE \"ExamSessions_Temp\" RENAME TO \"ExamSessions\";",
+        """
+        CREATE INDEX "IX_ExamSessions_ExamPlanId_StartsAt"
+            ON "ExamSessions" ("ExamPlanId", "StartsAt");
+        """,
+        """
+        CREATE INDEX "IX_ExamSessions_TeachingTaskId"
+            ON "ExamSessions" ("TeachingTaskId");
+        """,
+        """
+        CREATE INDEX "IX_ExamSessions_ExamPlanId_ExamDate"
+            ON "ExamSessions" ("ExamPlanId", "ExamDate");
+        """,
+        """
+        CREATE INDEX "IX_ExamSessions_RequiredBuildingId"
+            ON "ExamSessions" ("RequiredBuildingId");
+        """
+    ];
 }
@@ -0,0 +1,158 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
+{
+    /// <inheritdoc />
+    public partial class ExamSchedulingOptimization : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            // Drop old FK/index on ClassroomId
+            migrationBuilder.DropForeignKey(
+                name: "FK_ExamSessions_Classrooms_ClassroomId",
+                table: "ExamSessions");
+
+            migrationBuilder.DropIndex(
+                name: "IX_ExamSessions_ClassroomId",
+                table: "ExamSessions");
+
+            // Make ClassroomId nullable
+            migrationBuilder.AlterColumn<Guid>(
+                name: "ClassroomId",
+                table: "ExamSessions",
+                type: "char(36)",
+                nullable: true,
+                oldClrType: typeof(Guid),
+                oldType: "char(36)");
+
+            // Add new columns
+            migrationBuilder.AddColumn<DateOnly>(
+                name: "ExamDate",
+                table: "ExamSessions",
+                type: "date",
+                nullable: false,
+                defaultValue: new DateOnly(2027, 1, 1));
+
+            migrationBuilder.AddColumn<int>(
+                name: "StartPeriod",
+                table: "ExamSessions",
+                type: "int",
+                nullable: false,
+                defaultValue: 1);
+
+            migrationBuilder.AddColumn<int>(
+                name: "PeriodCount",
+                table: "ExamSessions",
+                type: "int",
+                nullable: false,
+                defaultValue: 2);
+
+            migrationBuilder.AddColumn<Guid>(
+                name: "RequiredBuildingId",
+                table: "ExamSessions",
+                type: "char(36)",
+                nullable: true);
+
+            migrationBuilder.AddColumn<int>(
+                name: "RequiredInvigilatorCount",
+                table: "ExamSessions",
+                type: "int",
+                nullable: false,
+                defaultValue: 2);
+
+            // Re-add FK/index on ClassroomId (nullable, SetNull)
+            migrationBuilder.CreateIndex(
+                name: "IX_ExamSessions_ClassroomId",
+                table: "ExamSessions",
+                column: "ClassroomId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_ExamSessions_Classrooms_ClassroomId",
+                table: "ExamSessions",
+                column: "ClassroomId",
+                principalTable: "Classrooms",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.SetNull);
+
+            // New indices
+            migrationBuilder.CreateIndex(
+                name: "IX_ExamSessions_ExamPlanId_ExamDate",
+                table: "ExamSessions",
+                columns: new[] { "ExamPlanId", "ExamDate" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ExamSessions_RequiredBuildingId",
+                table: "ExamSessions",
+                column: "RequiredBuildingId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_ExamSessions_Buildings_RequiredBuildingId",
+                table: "ExamSessions",
+                column: "RequiredBuildingId",
+                principalTable: "Buildings",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.SetNull);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            // Remove new FK/index
+            migrationBuilder.DropForeignKey(
+                name: "FK_ExamSessions_Buildings_RequiredBuildingId",
+                table: "ExamSessions");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_ExamSessions_Classrooms_ClassroomId",
+                table: "ExamSessions");
+
+            migrationBuilder.DropIndex(
+                name: "IX_ExamSessions_ClassroomId",
+                table: "ExamSessions");
+
+            migrationBuilder.DropIndex(
+                name: "IX_ExamSessions_ExamPlanId_ExamDate",
+                table: "ExamSessions");
+
+            migrationBuilder.DropIndex(
+                name: "IX_ExamSessions_RequiredBuildingId",
+                table: "ExamSessions");
+
+            // Drop new columns
+            migrationBuilder.DropColumn(name: "RequiredInvigilatorCount", table: "ExamSessions");
+            migrationBuilder.DropColumn(name: "RequiredBuildingId", table: "ExamSessions");
+            migrationBuilder.DropColumn(name: "PeriodCount", table: "ExamSessions");
+            migrationBuilder.DropColumn(name: "StartPeriod", table: "ExamSessions");
+            migrationBuilder.DropColumn(name: "ExamDate", table: "ExamSessions");
+
+            // Restore ClassroomId to non-nullable
+            migrationBuilder.AlterColumn<Guid>(
+                name: "ClassroomId",
+                table: "ExamSessions",
+                type: "char(36)",
+                nullable: false,
+                defaultValue: Guid.Empty,
+                oldClrType: typeof(Guid),
+                oldType: "char(36)",
+                oldNullable: true);
+
+            // Restore original FK/index
+            migrationBuilder.CreateIndex(
+                name: "IX_ExamSessions_ClassroomId",
+                table: "ExamSessions",
+                column: "ClassroomId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_ExamSessions_Classrooms_ClassroomId",
+                table: "ExamSessions",
+                column: "ClassroomId",
+                principalTable: "Classrooms",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Restrict);
+        }
+    }
+}