feat(database)!: switch from diesel to sea-orm

database/entity/src/sea_orm_active_enums.rs

@@ -0,0 +1,25 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.12
+
+use sea_orm::entity::prelude::*;
+
+#[derive(
+    Debug,
+    Clone,
+    PartialEq,
+    Eq,
+    EnumIter,
+    DeriveActiveEnum,
+    :: serde :: Serialize,
+    :: serde :: Deserialize,
+    :: utoipa :: ToSchema,
+)]
+#[sea_orm(rs_type = "String", db_type = "Enum", enum_name = "user_role")]
+#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+pub enum UserRole {
+    #[sea_orm(string_value = "student")]
+    Student,
+    #[sea_orm(string_value = "teacher")]
+    Teacher,
+    #[sea_orm(string_value = "admin")]
+    Admin,
+}