调课、停课、补课申请

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

@@ -36,6 +36,8 @@ public sealed class DevelopmentSqliteMigrator(
         "20260725_20_exam_scheduling_optimization";
     private const string RetakeEnrollmentMigration =
         "20260725_21_retake_enrollment";
+    private const string CourseAdjustmentsMigration =
+        "20260725_22_course_adjustments";
 
     public async Task MigrateAsync(CancellationToken cancellationToken = default)
     {
@@ -240,6 +242,19 @@ public sealed class DevelopmentSqliteMigrator(
             RetakeEnrollmentMigration,
             retakeEnrollmentExists ? [] : RetakeEnrollmentStatements,
             cancellationToken);
+
+        var courseAdjustmentsExist = await db.Database
+            .SqlQueryRaw<int>(
+                """
+                SELECT COUNT(*) AS "Value"
+                FROM sqlite_master
+                WHERE type = 'table' AND name = 'CourseAdjustments'
+                """)
+            .AnyAsync(value => value > 0, cancellationToken);
+        await ApplyMigrationAsync(
+            CourseAdjustmentsMigration,
+            courseAdjustmentsExist ? [] : CourseAdjustmentsStatements,
+            cancellationToken);
     }
 
     private async Task ApplyMigrationAsync(
@@ -1484,4 +1499,58 @@ public sealed class DevelopmentSqliteMigrator(
         ADD COLUMN "EnrollmentType" INTEGER NOT NULL DEFAULT 1;
         """
     ];
+
+    private static readonly string[] CourseAdjustmentsStatements =
+    [
+        """
+        CREATE TABLE "CourseAdjustments" (
+            "Id" TEXT NOT NULL CONSTRAINT "PK_CourseAdjustments" PRIMARY KEY,
+            "TeachingTaskId" TEXT NOT NULL,
+            "Type" INTEGER NOT NULL,
+            "Status" INTEGER NOT NULL,
+            "ApplicantUserId" TEXT NOT NULL,
+            "TargetDate" TEXT NULL,
+            "DayOfWeek" INTEGER NULL,
+            "StartPeriod" INTEGER NULL,
+            "PeriodCount" INTEGER NULL,
+            "ClassroomId" TEXT NULL,
+            "SubstituteTeacherId" TEXT NULL,
+            "CancelWeek" INTEGER NULL,
+            "CancelDate" TEXT NULL,
+            "Reason" TEXT NOT NULL,
+            "ReviewComment" TEXT NULL,
+            "SubmittedAt" TEXT NULL,
+            "ReviewedAt" TEXT NULL,
+            "ReviewedByUserId" TEXT NULL,
+            "CreatedAt" TEXT NOT NULL,
+            "UpdatedAt" TEXT NOT NULL,
+            CONSTRAINT "FK_CourseAdjustments_TeachingTasks"
+                FOREIGN KEY ("TeachingTaskId") REFERENCES "TeachingTasks" ("Id")
+                ON DELETE RESTRICT,
+            CONSTRAINT "FK_CourseAdjustments_Classrooms"
+                FOREIGN KEY ("ClassroomId") REFERENCES "Classrooms" ("Id")
+                ON DELETE SET NULL,
+            CONSTRAINT "FK_CourseAdjustments_Teachers"
+                FOREIGN KEY ("SubstituteTeacherId") REFERENCES "Teachers" ("Id")
+                ON DELETE SET NULL
+        );
+        """,
+        """CREATE INDEX "IX_CourseAdjustments_TeachingTaskId_Status" ON "CourseAdjustments" ("TeachingTaskId", "Status");""",
+        """CREATE INDEX "IX_CourseAdjustments_ApplicantUserId" ON "CourseAdjustments" ("ApplicantUserId");""",
+        """CREATE INDEX "IX_CourseAdjustments_Status_CreatedAt" ON "CourseAdjustments" ("Status", "CreatedAt");""",
+        """
+        CREATE TABLE "Notifications" (
+            "Id" TEXT NOT NULL CONSTRAINT "PK_Notifications" PRIMARY KEY,
+            "UserId" TEXT NOT NULL,
+            "Title" TEXT NOT NULL,
+            "Content" TEXT NOT NULL,
+            "IsRead" INTEGER NOT NULL,
+            "LinkUrl" TEXT NULL,
+            "CreatedAt" TEXT NOT NULL,
+            "UpdatedAt" TEXT NOT NULL
+        );
+        """,
+        """CREATE INDEX "IX_Notifications_UserId_IsRead" ON "Notifications" ("UserId", "IsRead");""",
+        """CREATE INDEX "IX_Notifications_CreatedAt" ON "Notifications" ("CreatedAt");"""
+    ];
 }