feat: update services to include transaction handling and refactor database connection setup

src-tauri/Cargo.toml

@@ -3,7 +3,7 @@ name = "otter"
 version = "0.1.0"
 description = "A Tauri App"
 authors = ["you"]
-edition = "2021"
+edition = "2024"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
@@ -23,9 +23,10 @@ tauri-plugin-opener = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 async-trait = "0.1.89"
-decimal = "2.1.0"
+rust_decimal = "1.42.0"
 
 sea-orm.workspace = true
 migration = { path = "../crates/migration" }
 chrono.workspace = true
+thiserror = "2.0.18"
 

src-tauri/src/lib.rs

@@ -12,6 +12,7 @@ use tauri::Manager;
 
 use crate::services::create_services;
 
+mod commands;
 mod db;
 mod services;
 
@@ -27,8 +28,31 @@ pub fn run() {
     tauri::Builder::default()
         .setup(|app| {
             tauri::async_runtime::block_on(async {
-                let mut connect_options =
-                    ConnectOptions::new("sqlite://finance_manager.db".to_string());
+                // Get the app's data directory
+                let app_data_dir = app
+                    .path()
+                    .app_data_dir()
+                    .expect("Failed to get app data directory");
+
+                // Create the directory if it doesn't exist
+                std::fs::create_dir_all(&app_data_dir)
+                    .expect("Failed to create app data directory");
+
+                // Construct the database path
+                let db_path = app_data_dir.join("finance_manager.db");
+
+                // Ensure the database file exists
+                if !db_path.exists() {
+                    std::fs::File::create(&db_path).expect("Failed to create database file");
+                }
+
+                // Get the canonical path
+                let canonical_path = db_path
+                    .canonicalize()
+                    .expect("Failed to get canonical path");
+                let db_url = format!("sqlite://{}", canonical_path.to_string_lossy());
+
+                let mut connect_options = ConnectOptions::new(db_url);
                 connect_options.after_connect(|conn| {
                     Box::pin(async move {
                         // Enable foreign key support for SQLite
@@ -50,12 +74,22 @@ pub fn run() {
                 migration::Migrator::up(&db, None)
                     .await
                     .expect("Failed to run migrations");
-                app.manage(create_services(db))
+
+                let services = create_services(db);
+                app.manage(services)
             });
             Ok(())
         })
         .plugin(tauri_plugin_opener::init())
-        .invoke_handler(tauri::generate_handler![greet])
+        .invoke_handler(tauri::generate_handler![
+            greet,
+            commands::get_account,
+            commands::get_accounts,
+            commands::create_account,
+            commands::get_transactions_for_account,
+            commands::create_transaction,
+            commands::update_transaction
+        ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
 }

src-tauri/src/services/mod.rs

@@ -2,22 +2,65 @@ use std::sync::Arc;
 
 use sea_orm::DatabaseConnection;
 
-pub mod accounts;
+use crate::services::{
+    accounts::{
+        AccountsService, AccountsServiceImpl,
+        category::{AccountCategoryService, AccountCategoryServiceImpl},
+    },
+    transaction::{
+        TransactionService, TransactionServiceImpl,
+        category::{CategoryService, CategoryServiceImpl},
+        tag::{TagService, TagServiceImpl},
+    },
+};
 
-pub struct Services {
-    pub account_category: Arc<dyn accounts::category::AccountCategoryService>,
-    pub accounts: Arc<dyn accounts::AccountsService>,
+pub mod accounts;
+pub mod transaction;
+
+pub type AppState = Services<
+    dyn AccountCategoryService,
+    dyn AccountsService,
+    dyn TransactionService,
+    dyn CategoryService,
+    dyn TagService,
+>;
+
+#[derive(Clone)]
+pub struct Services<AC, A, T, TC, TT>
+where
+    AC: AccountCategoryService + ?Sized,
+    A: AccountsService + ?Sized,
+    T: TransactionService + ?Sized,
+    TC: CategoryService + ?Sized,
+    TT: TagService + ?Sized,
+{
+    pub account_category: Arc<AC>,
+    pub accounts: Arc<A>,
+    pub transaction: Arc<T>,
+    pub transaction_category: Arc<TC>,
+    pub transaction_tag: Arc<TT>,
 }
 
-pub fn create_services(db: DatabaseConnection) -> Services {
-    let account_category_service = Arc::new(accounts::category::AccountCategoryServiceImpl::new(
+pub fn create_services(db: DatabaseConnection) -> AppState {
+    let account_category_service: Arc<dyn AccountCategoryService> =
+        Arc::new(AccountCategoryServiceImpl::new(db.clone()));
+    let account_service: Arc<dyn AccountsService> = Arc::new(AccountsServiceImpl::new(
         db.clone(),
+        Arc::new(AccountCategoryServiceImpl::new(db.clone())),
     ));
+    let transaction_category_service: Arc<dyn CategoryService> =
+        Arc::new(CategoryServiceImpl::new(db.clone()));
+    let transaction_tag_service: Arc<dyn TagService> = Arc::new(TagServiceImpl::new(db.clone()));
     Services {
         account_category: account_category_service.clone(),
-        accounts: Arc::new(accounts::AccountsServiceImpl::new(
-            db,
-            account_category_service,
-        )),
+        accounts: account_service.clone(),
+        transaction: Arc::new(TransactionServiceImpl::new(
+            db.clone(),
+            account_service.clone(),
+            transaction_category_service.clone(),
+            transaction_tag_service.clone(),
+        )) as Arc<dyn TransactionService>,
+        transaction_category: transaction_category_service,
+        transaction_tag: transaction_tag_service,
     }
 }