自动排课：保留手工安排，按教师、行政班、周次、节次、容量和场地约束补排。
课程约束：可限定校区、教学楼、指定教室、允许上课日、最早/最晚节次。 无教室课程：教室可为空，但仍校验教师和班级冲突。 作息维护：按学期维护节次、上下课时间和启用状态。 发布保护：发布前重新检查全部约束，并阻止学时未排满的课表发布。 工作台升级：增加“排课规则与作息”“自动排课”入口，自动生成后仍支持手工微调。 同时兼容 SQLite 和 MySQL，已生成正式迁移。
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@@ -19,6 +19,8 @@ public sealed class DevelopmentSqliteMigrator(
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private const string DegreeAwardsMigration = "20260724_11_degree_awards";
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private const string GraduationClearanceMigration = "20260724_12_graduation_clearance";
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private const string CourseCategoriesMigration = "20260724_13_course_categories";
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private const string SchedulingOptimizationMigration =
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"20260724_14_scheduling_optimization";
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public async Task MigrateAsync(CancellationToken cancellationToken = default)
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{
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@@ -107,6 +109,18 @@ public sealed class DevelopmentSqliteMigrator(
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"ALTER TABLE", StringComparison.OrdinalIgnoreCase))
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: CourseCategoriesStatements,
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cancellationToken);
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var schedulingOptimizationExists = await db.Database
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.SqlQueryRaw<int>(
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"""
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SELECT COUNT(*) AS "Value"
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FROM sqlite_master
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WHERE type = 'table' AND name = 'ScheduleTimeSlots'
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""")
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.AnyAsync(value => value > 0, cancellationToken);
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await ApplyMigrationAsync(
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SchedulingOptimizationMigration,
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schedulingOptimizationExists ? [] : SchedulingOptimizationStatements,
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cancellationToken);
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}
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private async Task ApplyMigrationAsync(
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@@ -814,4 +828,129 @@ public sealed class DevelopmentSqliteMigrator(
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ON "Courses" ("CourseCategoryId");
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"""
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];
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private static readonly string[] SchedulingOptimizationStatements =
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[
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"""
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CREATE TABLE "ScheduleEntries_New" (
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"Id" TEXT NOT NULL CONSTRAINT "PK_ScheduleEntries" PRIMARY KEY,
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"SchedulePlanId" TEXT NOT NULL,
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"TeachingTaskId" TEXT NOT NULL,
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"ClassroomId" TEXT NULL,
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"DayOfWeek" INTEGER NOT NULL,
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"StartPeriod" INTEGER NOT NULL,
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"PeriodCount" INTEGER NOT NULL,
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"StartWeek" INTEGER NOT NULL,
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"EndWeek" INTEGER NOT NULL,
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"WeekPattern" INTEGER NOT NULL,
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"Notes" TEXT NULL,
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"CreatedAt" TEXT NOT NULL,
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"UpdatedAt" TEXT NOT NULL,
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CONSTRAINT "FK_ScheduleEntries_SchedulePlans_SchedulePlanId"
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FOREIGN KEY ("SchedulePlanId") REFERENCES "SchedulePlans" ("Id")
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ON DELETE CASCADE,
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CONSTRAINT "FK_ScheduleEntries_TeachingTasks_TeachingTaskId"
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FOREIGN KEY ("TeachingTaskId") REFERENCES "TeachingTasks" ("Id")
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ON DELETE RESTRICT,
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CONSTRAINT "FK_ScheduleEntries_Classrooms_ClassroomId"
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FOREIGN KEY ("ClassroomId") REFERENCES "Classrooms" ("Id")
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ON DELETE SET NULL
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);
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""",
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"""
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INSERT INTO "ScheduleEntries_New"
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SELECT "Id", "SchedulePlanId", "TeachingTaskId", "ClassroomId",
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"DayOfWeek", "StartPeriod", "PeriodCount", "StartWeek", "EndWeek",
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"WeekPattern", "Notes", "CreatedAt", "UpdatedAt"
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FROM "ScheduleEntries";
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""",
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"""DROP TABLE "ScheduleEntries";""",
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"""ALTER TABLE "ScheduleEntries_New" RENAME TO "ScheduleEntries";""",
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"""
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CREATE INDEX "IX_ScheduleEntries_SchedulePlanId_DayOfWeek_StartPeriod"
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ON "ScheduleEntries" ("SchedulePlanId", "DayOfWeek", "StartPeriod");
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""",
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"""
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CREATE INDEX "IX_ScheduleEntries_TeachingTaskId"
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ON "ScheduleEntries" ("TeachingTaskId");
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""",
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"""
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CREATE INDEX "IX_ScheduleEntries_ClassroomId"
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ON "ScheduleEntries" ("ClassroomId");
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""",
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"""
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CREATE TABLE "ScheduleTimeSlots" (
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"Id" TEXT NOT NULL CONSTRAINT "PK_ScheduleTimeSlots" PRIMARY KEY,
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"AcademicTermId" TEXT NOT NULL,
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"PeriodNumber" INTEGER NOT NULL,
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"Name" TEXT NOT NULL,
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"StartsAt" TEXT NOT NULL,
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"EndsAt" TEXT NOT NULL,
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"IsEnabled" INTEGER NOT NULL,
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"CreatedAt" TEXT NOT NULL,
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"UpdatedAt" TEXT NOT NULL,
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CONSTRAINT "FK_ScheduleTimeSlots_AcademicTerms_AcademicTermId"
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FOREIGN KEY ("AcademicTermId") REFERENCES "AcademicTerms" ("Id")
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ON DELETE CASCADE
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);
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""",
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"""
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CREATE UNIQUE INDEX "IX_ScheduleTimeSlots_AcademicTermId_PeriodNumber"
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ON "ScheduleTimeSlots" ("AcademicTermId", "PeriodNumber");
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""",
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"""
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CREATE TABLE "TeachingTaskScheduleConstraints" (
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"Id" TEXT NOT NULL CONSTRAINT "PK_TeachingTaskScheduleConstraints" PRIMARY KEY,
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"TeachingTaskId" TEXT NOT NULL,
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"RequiresClassroom" INTEGER NOT NULL,
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"RequiredCampusId" TEXT NULL,
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"RequiredBuildingId" TEXT NULL,
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"AllowedDayOfWeeks" TEXT NULL,
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"EarliestPeriod" INTEGER NULL,
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"LatestPeriod" INTEGER NULL,
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"CreatedAt" TEXT NOT NULL,
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"UpdatedAt" TEXT NOT NULL,
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CONSTRAINT "FK_TeachingTaskScheduleConstraints_TeachingTasks_TeachingTaskId"
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FOREIGN KEY ("TeachingTaskId") REFERENCES "TeachingTasks" ("Id")
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ON DELETE CASCADE,
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CONSTRAINT "FK_TeachingTaskScheduleConstraints_Campuses_RequiredCampusId"
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FOREIGN KEY ("RequiredCampusId") REFERENCES "Campuses" ("Id")
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ON DELETE RESTRICT,
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CONSTRAINT "FK_TeachingTaskScheduleConstraints_Buildings_RequiredBuildingId"
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FOREIGN KEY ("RequiredBuildingId") REFERENCES "Buildings" ("Id")
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ON DELETE RESTRICT
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);
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""",
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"""
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CREATE UNIQUE INDEX "IX_TeachingTaskScheduleConstraints_TeachingTaskId"
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ON "TeachingTaskScheduleConstraints" ("TeachingTaskId");
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""",
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"""
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CREATE INDEX "IX_TeachingTaskScheduleConstraints_RequiredCampusId"
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ON "TeachingTaskScheduleConstraints" ("RequiredCampusId");
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""",
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"""
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CREATE INDEX "IX_TeachingTaskScheduleConstraints_RequiredBuildingId"
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ON "TeachingTaskScheduleConstraints" ("RequiredBuildingId");
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""",
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"""
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CREATE TABLE "TeachingTaskAllowedClassrooms" (
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"TeachingTaskScheduleConstraintId" TEXT NOT NULL,
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"ClassroomId" TEXT NOT NULL,
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CONSTRAINT "PK_TeachingTaskAllowedClassrooms"
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PRIMARY KEY ("TeachingTaskScheduleConstraintId", "ClassroomId"),
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CONSTRAINT "FK_TeachingTaskAllowedClassrooms_Constraints"
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FOREIGN KEY ("TeachingTaskScheduleConstraintId")
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REFERENCES "TeachingTaskScheduleConstraints" ("Id")
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ON DELETE CASCADE,
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CONSTRAINT "FK_TeachingTaskAllowedClassrooms_Classrooms_ClassroomId"
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FOREIGN KEY ("ClassroomId") REFERENCES "Classrooms" ("Id")
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ON DELETE RESTRICT
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);
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""",
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"""
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CREATE INDEX "IX_TeachingTaskAllowedClassrooms_ClassroomId"
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ON "TeachingTaskAllowedClassrooms" ("ClassroomId");
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"""
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];
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}
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