调课

src/Jiaowu.Api/Infrastructure/Persistence/AppDbContext.cs

@@ -953,6 +953,7 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
             entity.HasIndex(x => new { x.TeachingTaskId, x.Status });
             entity.HasIndex(x => x.ApplicantUserId);
             entity.HasIndex(x => new { x.Status, x.CreatedAt });
+            entity.HasIndex(x => new { x.SourceScheduleEntryId, x.SourceWeek });
             entity.HasOne(x => x.TeachingTask).WithMany()
                 .HasForeignKey(x => x.TeachingTaskId).OnDelete(DeleteBehavior.Restrict);
             entity.HasOne(x => x.Classroom).WithMany()

src/Jiaowu.Api/Infrastructure/Persistence/DevelopmentSqliteMigrator.cs

@@ -60,6 +60,8 @@ public sealed class DevelopmentSqliteMigrator(
         "20260726_32_classroom_reservations";
     private const string BackgroundJobOutboxMigration =
         "20260726_33_background_job_outbox";
+    private const string CourseAdjustmentOccurrencesMigration =
+        "20260727_34_course_adjustment_occurrences";
 
     public async Task MigrateAsync(CancellationToken cancellationToken = default)
     {
@@ -278,6 +280,21 @@ public sealed class DevelopmentSqliteMigrator(
             courseAdjustmentsExist ? [] : CourseAdjustmentsStatements,
             cancellationToken);
 
+        var courseAdjustmentOccurrencesExist = await db.Database
+            .SqlQueryRaw<int>(
+                """
+                SELECT COUNT(*) AS "Value"
+                FROM pragma_table_info('CourseAdjustments')
+                WHERE name = 'SourceScheduleEntryId'
+                """)
+            .AnyAsync(value => value > 0, cancellationToken);
+        await ApplyMigrationAsync(
+            CourseAdjustmentOccurrencesMigration,
+            courseAdjustmentOccurrencesExist
+                ? []
+                : CourseAdjustmentOccurrencesStatements,
+            cancellationToken);
+
         var attendanceAppealExists = await db.Database
             .SqlQueryRaw<int>(
                 """
@@ -1772,6 +1789,12 @@ public sealed class DevelopmentSqliteMigrator(
             "Type" INTEGER NOT NULL,
             "Status" INTEGER NOT NULL,
             "ApplicantUserId" TEXT NOT NULL,
+            "SourceScheduleEntryId" TEXT NULL,
+            "SourceWeek" INTEGER NULL,
+            "SourceDate" TEXT NULL,
+            "SourceStartPeriod" INTEGER NULL,
+            "SourcePeriodCount" INTEGER NULL,
+            "SourceClassroomId" TEXT NULL,
             "TargetDate" TEXT NULL,
             "DayOfWeek" INTEGER NULL,
             "StartPeriod" INTEGER NULL,
@@ -1817,6 +1840,17 @@ public sealed class DevelopmentSqliteMigrator(
         """CREATE INDEX "IX_Notifications_CreatedAt" ON "Notifications" ("CreatedAt");"""
     ];
 
+    private static readonly string[] CourseAdjustmentOccurrencesStatements =
+    [
+        """ALTER TABLE "CourseAdjustments" ADD "SourceScheduleEntryId" TEXT NULL;""",
+        """ALTER TABLE "CourseAdjustments" ADD "SourceWeek" INTEGER NULL;""",
+        """ALTER TABLE "CourseAdjustments" ADD "SourceDate" TEXT NULL;""",
+        """ALTER TABLE "CourseAdjustments" ADD "SourceStartPeriod" INTEGER NULL;""",
+        """ALTER TABLE "CourseAdjustments" ADD "SourcePeriodCount" INTEGER NULL;""",
+        """ALTER TABLE "CourseAdjustments" ADD "SourceClassroomId" TEXT NULL;""",
+        """CREATE INDEX "IX_CourseAdjustments_SourceScheduleEntryId_SourceWeek" ON "CourseAdjustments" ("SourceScheduleEntryId", "SourceWeek");"""
+    ];
+
     private static readonly string[] AttendanceAppealStatements =
     [
         """ALTER TABLE "AttendanceRecords" ADD COLUMN "AppealStatus" INTEGER NOT NULL DEFAULT 0;""",

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260727002230_CourseAdjustmentOccurrences.cs

@@ -0,0 +1,88 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
+{
+    /// <inheritdoc />
+    public partial class CourseAdjustmentOccurrences : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<Guid>(
+                name: "SourceClassroomId",
+                table: "CourseAdjustments",
+                type: "char(36)",
+                nullable: true);
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "SourceDate",
+                table: "CourseAdjustments",
+                type: "date",
+                nullable: true);
+
+            migrationBuilder.AddColumn<int>(
+                name: "SourcePeriodCount",
+                table: "CourseAdjustments",
+                type: "int",
+                nullable: true);
+
+            migrationBuilder.AddColumn<Guid>(
+                name: "SourceScheduleEntryId",
+                table: "CourseAdjustments",
+                type: "char(36)",
+                nullable: true);
+
+            migrationBuilder.AddColumn<int>(
+                name: "SourceStartPeriod",
+                table: "CourseAdjustments",
+                type: "int",
+                nullable: true);
+
+            migrationBuilder.AddColumn<int>(
+                name: "SourceWeek",
+                table: "CourseAdjustments",
+                type: "int",
+                nullable: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_CourseAdjustments_SourceScheduleEntryId_SourceWeek",
+                table: "CourseAdjustments",
+                columns: new[] { "SourceScheduleEntryId", "SourceWeek" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_CourseAdjustments_SourceScheduleEntryId_SourceWeek",
+                table: "CourseAdjustments");
+
+            migrationBuilder.DropColumn(
+                name: "SourceClassroomId",
+                table: "CourseAdjustments");
+
+            migrationBuilder.DropColumn(
+                name: "SourceDate",
+                table: "CourseAdjustments");
+
+            migrationBuilder.DropColumn(
+                name: "SourcePeriodCount",
+                table: "CourseAdjustments");
+
+            migrationBuilder.DropColumn(
+                name: "SourceScheduleEntryId",
+                table: "CourseAdjustments");
+
+            migrationBuilder.DropColumn(
+                name: "SourceStartPeriod",
+                table: "CourseAdjustments");
+
+            migrationBuilder.DropColumn(
+                name: "SourceWeek",
+                table: "CourseAdjustments");
+        }
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/AppDbContextModelSnapshot.cs

@@ -714,6 +714,24 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                     b.Property<Guid?>("ReviewedByUserId")
                         .HasColumnType("char(36)");
 
+                    b.Property<Guid?>("SourceClassroomId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<DateTime?>("SourceDate")
+                        .HasColumnType("date");
+
+                    b.Property<int?>("SourcePeriodCount")
+                        .HasColumnType("int");
+
+                    b.Property<Guid?>("SourceScheduleEntryId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<int?>("SourceStartPeriod")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("SourceWeek")
+                        .HasColumnType("int");
+
                     b.Property<int?>("StartPeriod")
                         .HasColumnType("int");
 
@@ -746,6 +764,8 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
 
                     b.HasIndex("SubstituteTeacherId");
 
+                    b.HasIndex("SourceScheduleEntryId", "SourceWeek");
+
                     b.HasIndex("Status", "CreatedAt");
 
                     b.HasIndex("TeachingTaskId", "Status");
@@ -3473,10 +3493,10 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                     b.HasIndex("JobKind", "JobId")
                         .IsUnique();
 
-                    b.HasIndex("State", "CreatedAt");
-
                     b.HasIndex("State", "CompletedAt");
 
+                    b.HasIndex("State", "CreatedAt");
+
                     b.ToTable("BackgroundJobOutboxMessages");
                 });