sync-docs-and-fixes

src/shared/db/schema.ts

@@ -25,10 +25,6 @@ export const users = mysqlTable("users", {
   email: varchar("email", { length: 255 }).notNull().unique(),
   emailVerified: timestamp("emailVerified", { mode: "date" }),
   image: varchar("image", { length: 255 }),
-  
-  // Custom Role Field for RBAC (Default Role)
-  role: varchar("role", { length: 50 }).default("student"),
-  
   // Credentials Auth (Optional)
   password: varchar("password", { length: 255 }), 
 
@@ -338,23 +334,27 @@ export const classes = mysqlTable("classes", {
   }).onDelete("set null"),
 }));
 
-export const classSubjectEnum = mysqlEnum("subject", ["语文", "数学", "英语", "美术", "体育", "科学", "社会", "音乐"]);
-
 export const classSubjectTeachers = mysqlTable("class_subject_teachers", {
   classId: varchar("class_id", { length: 128 }).notNull(),
-  subject: classSubjectEnum.notNull(),
+  subjectId: varchar("subject_id", { length: 128 }).notNull(),
   teacherId: varchar("teacher_id", { length: 128 }).references(() => users.id, { onDelete: "set null" }),
   createdAt: timestamp("created_at").defaultNow().notNull(),
   updatedAt: timestamp("updated_at").defaultNow().onUpdateNow().notNull(),
 }, (table) => ({
-  pk: primaryKey({ columns: [table.classId, table.subject] }),
+  pk: primaryKey({ columns: [table.classId, table.subjectId] }),
   classIdx: index("class_subject_teachers_class_idx").on(table.classId),
   teacherIdx: index("class_subject_teachers_teacher_idx").on(table.teacherId),
+  subjectIdIdx: index("class_subject_teachers_subject_id_idx").on(table.subjectId),
   classFk: foreignKey({
     columns: [table.classId],
     foreignColumns: [classes.id],
     name: "cst_c_fk",
   }).onDelete("cascade"),
+  subjectFk: foreignKey({
+    columns: [table.subjectId],
+    foreignColumns: [subjects.id],
+    name: "cst_s_fk",
+  }).onDelete("cascade"),
 }));
 
 export const classEnrollments = mysqlTable("class_enrollments", {