feat: add migration for cache table with necessary columns and indexes

crates/migration/src/lib.rs

@@ -2,6 +2,7 @@ pub use sea_orm_migration::prelude::*;
 
 mod m20260526_062833_create_account_table;
 mod m20260526_110957_create_transcations_table;
+mod m20260528_110733_create_cache_table;
 
 pub struct Migrator;
 
@@ -11,6 +12,7 @@ impl MigratorTrait for Migrator {
         vec![
             Box::new(m20260526_062833_create_account_table::Migration),
             Box::new(m20260526_110957_create_transcations_table::Migration),
+            Box::new(m20260528_110733_create_cache_table::Migration),
         ]
     }
 }

crates/migration/src/m20260528_110733_create_cache_table.rs

@@ -0,0 +1,61 @@
+use sea_orm_migration::{prelude::*, schema::*};
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .create_table(
+                Table::create()
+                    .table("cache")
+                    .comment("2 level cache for general use")
+                    .if_not_exists()
+                    .col(string("category").not_null().comment("Cache category"))
+                    .col(string("key").not_null().comment("Cache key"))
+                    .col(string("value").not_null().comment("Cache value"))
+                    .col(
+                        boolean("is_invalidated")
+                            .not_null()
+                            .comment("Whether the cache is manually invalidated"),
+                    )
+                    .col(string("expire_at").null().comment("Expiration time"))
+                    .col(string("created_at").not_null().comment("Creation time"))
+                    .col(string("updated_at").not_null().comment("Last update time"))
+                    //
+                    .primary_key(Index::create().col("category").col("key"))
+                    //
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_cache_category")
+                    .table("cache")
+                    .col("category")
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_cache_expire_at")
+                    .table("cache")
+                    .col("expire_at")
+                    .to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .drop_table(Table::drop().table("cache").to_owned())
+            .await
+    }
+}

src-tauri/src/db/entities/cache.rs

@@ -0,0 +1,24 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 2.0
+
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel, Serialize, Deserialize)]
+#[sea_orm(table_name = "cache")]
+#[allow(dead_code)]
+pub struct Model {
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub category: String,
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub key: String,
+    pub value: String,
+    pub is_invalidated: bool,
+    pub expire_at: Option<String>,
+    pub created_at: String,
+    pub updated_at: String,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}

src-tauri/src/db/entities/mod.rs

@@ -4,6 +4,7 @@ pub mod prelude;
 
 pub mod account;
 pub mod account_category;
+pub mod cache;
 pub mod category;
 pub mod tag;
 pub mod transaction;

src-tauri/src/db/entities/prelude.rs

@@ -4,6 +4,7 @@
 
 pub use super::account::Entity as Account;
 pub use super::account_category::Entity as AccountCategory;
+pub use super::cache::Entity as Cache;
 pub use super::category::Entity as Category;
 pub use super::tag::Entity as Tag;
 pub use super::transaction::Entity as Transaction;