Refactors some backend stuff to core lib

41 files changed, 704 insertions, 51 deletions

diff --git a/backend/app/Cargo.lock b/backend/app/Cargo.lock
index f453ebe..0f6e6d4 100644
--- a/backend/app/Cargo.lock
+++ b/backend/app/Cargo.lock
@@ -138,6 +138,7 @@ checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 name = "budgeting_app_backend"
 version = "0.1.0"
 dependencies = [
+ "budgeting_app_core",
  "cfg-if",
  "chrono",
  "diesel",
@@ -146,6 +147,15 @@ dependencies = [
  "rocket",
  "rocket_sync_db_pools",
  "rusqlite",
+]
+
+[[package]]
+name = "budgeting_app_core"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "diesel",
+ "diesel_migrations",
  "serde",
 ]
 
diff --git a/backend/app/Cargo.toml b/backend/app/Cargo.toml
index af1c8ef..69e1ed1 100644
--- a/backend/app/Cargo.toml
+++ b/backend/app/Cargo.toml
@@ -4,6 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+budgeting_app_core = { path = "../core" }
 chrono = { version = "0.4.38", features = ["serde"] }
 cfg-if = "1.0.0"
 diesel = { version = "2.2.0", features = ["sqlite"] }
@@ -12,4 +13,3 @@ dotenvy = "0.15.7"
 rocket = { version = "0.5.1", features = ["json"] }
 rocket_sync_db_pools = { version = "0.1.0", features = ["diesel_sqlite_pool"] }
 rusqlite = { version = "0.32.1", features = ["bundled"] }
-serde = "1.0.209"
diff --git a/backend/app/Rocket.toml b/backend/app/Rocket.toml
index bb43355..088d632 100644
--- a/backend/app/Rocket.toml
+++ b/backend/app/Rocket.toml
@@ -1,2 +1,2 @@
 [global.databases]
-user_data = { url = "/home/joeac/src/budgeting-app/backend/user_data.sqlite" }
+user_data = { url = "/home/joeac/src/budgeting-app/backend/core/user_data.sqlite" }
diff --git a/backend/app/src/main.rs b/backend/app/src/main.rs
index c3e02e5..152f958 100644
--- a/backend/app/src/main.rs
+++ b/backend/app/src/main.rs
@@ -1,6 +1,6 @@
+use budgeting_app_core::MIGRATIONS;
 use diesel::SqliteConnection;
 use diesel_migrations::MigrationHarness;
-use diesel_migrations::{embed_migrations, EmbeddedMigrations};
 use rocket::fairing::AdHoc;
 use rocket::http::ContentType;
 use rocket::{launch, routes, Build, Rocket};
@@ -8,14 +8,10 @@ use rocket::{launch, routes, Build, Rocket};
 use crate::databases::UserDataDb;
 
 pub mod databases;
-pub mod models;
 pub mod queries;
 pub mod routes;
-pub mod schema;
 pub mod utils;
 
-pub const MIGRATIONS: EmbeddedMigrations = embed_migrations!("migrations");
-
 fn run_database_migrations(connection: &mut SqliteConnection) {
     connection
         .run_pending_migrations(MIGRATIONS)
diff --git a/backend/app/src/queries/accounts/get_all.rs b/backend/app/src/queries/accounts/get_all.rs
index 12941ac..bc67f77 100644
--- a/backend/app/src/queries/accounts/get_all.rs
+++ b/backend/app/src/queries/accounts/get_all.rs
@@ -1,7 +1,6 @@
+use budgeting_app_core::{models::account::Account, schema::accounts::dsl::accounts};
 use diesel::{result::Error, QueryDsl, RunQueryDsl, SelectableHelper, SqliteConnection};
 
-use crate::{models::account::Account, schema::accounts::dsl::accounts};
-
 pub fn get_all_accounts(connection: &mut SqliteConnection) -> Result<Vec<Account>, Error> {
     accounts.select(Account::as_select()).load(connection)
 }
diff --git a/backend/app/src/queries/accounts/insert.rs b/backend/app/src/queries/accounts/insert.rs
index c20cf60..1d1a323 100644
--- a/backend/app/src/queries/accounts/insert.rs
+++ b/backend/app/src/queries/accounts/insert.rs
@@ -1,9 +1,10 @@
+use budgeting_app_core::{
+    models::account::Account,
+    schema::accounts::dsl::accounts as accounts_table,
+};
 use diesel::prelude::*;
 use diesel::result::Error;
 
-use crate::models::account::Account;
-use crate::schema::accounts::dsl::accounts as accounts_table;
-
 pub fn insert_account(
     accounts: &[Account],
     connection: &mut SqliteConnection,
diff --git a/backend/app/src/queries/budget_updates/get_all.rs b/backend/app/src/queries/budget_updates/get_all.rs
index 97f2f2f..e6e4b59 100644
--- a/backend/app/src/queries/budget_updates/get_all.rs
+++ b/backend/app/src/queries/budget_updates/get_all.rs
@@ -1,4 +1,4 @@
-use crate::{
+use budgeting_app_core::{
     models::budget_update::BudgetUpdate,
     schema::budget_updates::dsl::budget_updates as budget_updates_table,
 };
diff --git a/backend/app/src/queries/budget_updates/get_first_with_date.rs b/backend/app/src/queries/budget_updates/get_first_with_date.rs
index a2824be..3856557 100644
--- a/backend/app/src/queries/budget_updates/get_first_with_date.rs
+++ b/backend/app/src/queries/budget_updates/get_first_with_date.rs
@@ -1,4 +1,4 @@
-use crate::{
+use budgeting_app_core::{
     models::budget_update::BudgetUpdate,
     schema::budget_updates::{
         self as budget_updates_schema, dsl::budget_updates as budget_updates_table,
diff --git a/backend/app/src/queries/budget_updates/get_most_recent_with_category_id.rs b/backend/app/src/queries/budget_updates/get_most_recent_with_category_id.rs
index 4753092..55012f5 100644
--- a/backend/app/src/queries/budget_updates/get_most_recent_with_category_id.rs
+++ b/backend/app/src/queries/budget_updates/get_most_recent_with_category_id.rs
@@ -1,4 +1,4 @@
-use crate::{
+use budgeting_app_core::{
     models::date_time_utc::DateTimeUtc,
     schema::budget_updates::{
         self as budget_updates_schema, dsl::budget_updates as budget_updates_table,
diff --git a/backend/app/src/queries/categories/get_all.rs b/backend/app/src/queries/categories/get_all.rs
index db5a073..b6ec756 100644
--- a/backend/app/src/queries/categories/get_all.rs
+++ b/backend/app/src/queries/categories/get_all.rs
@@ -1,4 +1,4 @@
-use crate::{models::category::Category, schema::categories::dsl::categories as categories_table};
+use budgeting_app_core::{models::category::Category, schema::categories::dsl::categories as categories_table};
 use diesel::{result::Error, QueryDsl, RunQueryDsl, SelectableHelper, SqliteConnection};
 
 pub fn get_all_categories(connection: &mut SqliteConnection) -> Result<Vec<Category>, Error> {
diff --git a/backend/app/src/queries/categories/get_all_ids.rs b/backend/app/src/queries/categories/get_all_ids.rs
index 7c7c912..48d5e57 100644
--- a/backend/app/src/queries/categories/get_all_ids.rs
+++ b/backend/app/src/queries/categories/get_all_ids.rs
@@ -1,4 +1,4 @@
-use crate::schema::categories::{self as categories_schema, dsl::categories as categories_table};
+use budgeting_app_core::schema::categories::{self as categories_schema, dsl::categories as categories_table};
 use diesel::{result::Error, QueryDsl, RunQueryDsl, SqliteConnection};
 
 pub fn get_all_category_ids(connection: &mut SqliteConnection) -> Result<Vec<i32>, Error> {
diff --git a/backend/app/src/queries/category_balances/get_all.rs b/backend/app/src/queries/category_balances/get_all.rs
index 713fbeb..7ee474a 100644
--- a/backend/app/src/queries/category_balances/get_all.rs
+++ b/backend/app/src/queries/category_balances/get_all.rs
@@ -1,5 +1,5 @@
+use budgeting_app_core::models::category_balance::CategoryBalance;
 use crate::{
-    models::category_balance::CategoryBalance,
     queries::{
         budget_updates::get_all_budget_updates,
         categories::get_all_categories,
diff --git a/backend/app/src/queries/category_budgets/get_most_recent_per_category_id.rs b/backend/app/src/queries/category_budgets/get_most_recent_per_category_id.rs
index 6b76efd..b71a5fb 100644
--- a/backend/app/src/queries/category_budgets/get_most_recent_per_category_id.rs
+++ b/backend/app/src/queries/category_budgets/get_most_recent_per_category_id.rs
@@ -1,11 +1,9 @@
-use crate::{
-    models::{budget::Budget, category_budget::CategoryBudget},
-    queries::{
-        budget_updates::{
-            get_first_budget_update_with_date, get_most_recent_budget_update_date_with_category_id,
-        },
-        categories::get_all_category_ids,
+use budgeting_app_core::models::{budget::Budget, category_budget::CategoryBudget};
+use crate::queries::{
+    budget_updates::{
+        get_first_budget_update_with_date, get_most_recent_budget_update_date_with_category_id,
     },
+    categories::get_all_category_ids,
 };
 use diesel::{result::Error, SqliteConnection};
 
diff --git a/backend/app/src/queries/category_transfers/sum_quantity_per_from_category_id.rs b/backend/app/src/queries/category_transfers/sum_quantity_per_from_category_id.rs
index ae3a51a..3c077aa 100644
--- a/backend/app/src/queries/category_transfers/sum_quantity_per_from_category_id.rs
+++ b/backend/app/src/queries/category_transfers/sum_quantity_per_from_category_id.rs
@@ -1,8 +1,8 @@
-use diesel::{dsl::sum, result::Error, QueryDsl, RunQueryDsl, SqliteConnection};
-
-use crate::schema::category_transfers::{
-    self as category_transfers_schema, dsl::category_transfers as category_transfers_table,
+use budgeting_app_core::schema::category_transfers::{
+    self as category_transfers_schema,
+    dsl::category_transfers as category_transfers_table,
 };
+use diesel::{dsl::sum, result::Error, QueryDsl, RunQueryDsl, SqliteConnection};
 
 pub fn sum_category_transfer_quantity_per_from_category_id(
     connection: &mut SqliteConnection,
diff --git a/backend/app/src/queries/category_transfers/sum_quantity_per_to_category_id.rs b/backend/app/src/queries/category_transfers/sum_quantity_per_to_category_id.rs
index fe6f3a7..6e81d7d 100644
--- a/backend/app/src/queries/category_transfers/sum_quantity_per_to_category_id.rs
+++ b/backend/app/src/queries/category_transfers/sum_quantity_per_to_category_id.rs
@@ -1,8 +1,8 @@
-use diesel::{dsl::sum, result::Error, QueryDsl, RunQueryDsl, SqliteConnection};
-
-use crate::schema::category_transfers::{
-    self as category_transfers_schema, dsl::category_transfers as category_transfers_table,
+use budgeting_app_core::schema::category_transfers::{
+    self as category_transfers_schema,
+    dsl::category_transfers as category_transfers_table,
 };
+use diesel::{dsl::sum, result::Error, QueryDsl, RunQueryDsl, SqliteConnection};
 
 pub fn sum_category_transfer_quantity_per_to_category_id(
     connection: &mut SqliteConnection,
diff --git a/backend/app/src/queries/transaction_categorisations/sum_quantity_per_category_id.rs b/backend/app/src/queries/transaction_categorisations/sum_quantity_per_category_id.rs
index 7f93e0c..90dc990 100644
--- a/backend/app/src/queries/transaction_categorisations/sum_quantity_per_category_id.rs
+++ b/backend/app/src/queries/transaction_categorisations/sum_quantity_per_category_id.rs
@@ -1,4 +1,4 @@
-use crate::schema::transaction_categorisations::{
+use budgeting_app_core::schema::transaction_categorisations::{
     self as transaction_categorisations_schema,
     dsl::transaction_categorisations as transaction_categorisations_table,
 };
diff --git a/backend/app/src/queries/transaction_categorisations/sum_quantity_per_to_category_id.rs b/backend/app/src/queries/transaction_categorisations/sum_quantity_per_to_category_id.rs
deleted file mode 100644
index e69de29..0000000
--- a/backend/app/src/queries/transaction_categorisations/sum_quantity_per_to_category_id.rs
+++ /dev/null
diff --git a/backend/app/src/routes/account.rs b/backend/app/src/routes/account.rs
index 7bbdb4f..7c29233 100644
--- a/backend/app/src/routes/account.rs
+++ b/backend/app/src/routes/account.rs
@@ -1,19 +1,19 @@
+use budgeting_app_core::models::account::Account;
 use diesel::result::DatabaseErrorKind;
 use rocket::http::Status;
 use rocket::serde::json::Json;
 use rocket::{get, post, Responder};
 
 use crate::databases::UserDataDb;
-use crate::models::account::Account;
 use crate::queries::accounts::{get_all_accounts as get_all_accounts_query, insert_account};
 
 #[get("/account")]
-pub async fn get_all_accounts(user_data_db: UserDataDb) -> Result<Json<Vec<Account>>, Status> {
+pub async fn get_all_accounts(user_data_db: UserDataDb) -> Result<Json<Vec<Account>>, (Status, String)> {
     user_data_db
         .run(get_all_accounts_query)
         .await
         .map(Json)
-        .map_err(|_| Status { code: 500 })
+        .map_err(|err| (Status::InternalServerError, err.to_string()))
 }
 
 #[derive(Responder)]
diff --git a/backend/app/src/routes/balance.rs b/backend/app/src/routes/balance.rs
index f423c90..642aff1 100644
--- a/backend/app/src/routes/balance.rs
+++ b/backend/app/src/routes/balance.rs
@@ -1,7 +1,8 @@
+use budgeting_app_core::models::category_balance::CategoryBalance;
 use rocket::{get, http::Status, serde::json::Json};
 
 use crate::{
-    databases::UserDataDb, models::category_balance::CategoryBalance,
+    databases::UserDataDb,
     queries::category_balances::get_all_category_balances as get_all_category_balances_query,
 };
 
diff --git a/backend/app/src/routes/budget.rs b/backend/app/src/routes/budget.rs
index 67aae8e..64b9e06 100644
--- a/backend/app/src/routes/budget.rs
+++ b/backend/app/src/routes/budget.rs
@@ -1,9 +1,9 @@
+use budgeting_app_core::models::category_budget::CategoryBudget;
 use rocket::get;
 use rocket::http::Status;
 use rocket::serde::json::Json;
 
 use crate::databases::UserDataDb;
-use crate::models::category_budget::CategoryBudget;
 use crate::queries;
 
 #[get("/budget/category?current")]
diff --git a/backend/app/src/routes/budget_update.rs b/backend/app/src/routes/budget_update.rs
index 7732c7b..6def31a 100644
--- a/backend/app/src/routes/budget_update.rs
+++ b/backend/app/src/routes/budget_update.rs
@@ -1,9 +1,9 @@
+use budgeting_app_core::models::budget_update::BudgetUpdate;
 use rocket::get;
 use rocket::http::Status;
 use rocket::serde::json::Json;
 
 use crate::databases::UserDataDb;
-use crate::models::budget_update::BudgetUpdate;
 use crate::queries;
 
 #[get("/budget-update")]
diff --git a/backend/app/src/routes/category.rs b/backend/app/src/routes/category.rs
index 01fd8d1..43810e9 100644
--- a/backend/app/src/routes/category.rs
+++ b/backend/app/src/routes/category.rs
@@ -1,9 +1,9 @@
+use budgeting_app_core::models::category::Category;
 use rocket::get;
 use rocket::http::Status;
 use rocket::serde::json::Json;
 
 use crate::databases::UserDataDb;
-use crate::models::category::Category;
 use crate::queries::categories::get_all_categories as get_all_categories_query;
 
 #[get("/category")]
diff --git a/backend/app/src/utils/calculate_budgets_accrual.rs b/backend/app/src/utils/calculate_budgets_accrual.rs
index f14260d..c0d3d3a 100644
--- a/backend/app/src/utils/calculate_budgets_accrual.rs
+++ b/backend/app/src/utils/calculate_budgets_accrual.rs
@@ -1,4 +1,8 @@
-use crate::models::{budget_update::BudgetUpdate, category::Category, date_time_utc::DateTimeUtc};
+use budgeting_app_core::models::{
+    budget_update::BudgetUpdate,
+    category::Category,
+    date_time_utc::DateTimeUtc
+};
 
 pub fn calculate_budgets_accrual(category: &Category, budget_updates: &[BudgetUpdate]) -> i64 {
     let mut budget_updates = budget_updates
@@ -26,11 +30,10 @@ pub fn calculate_budgets_accrual(category: &Category, budget_updates: &[BudgetUp
 
 #[cfg(test)]
 mod test {
-    use chrono::{Days, Timelike, Utc};
-
-    use crate::models::{
+    use budgeting_app_core::models::{
         budget_update::BudgetUpdate, category::Category, date_time_utc::DateTimeUtc,
     };
+    use chrono::{Days, Timelike, Utc};
 
     use super::calculate_budgets_accrual;
 
diff --git a/backend/app/src/utils/calculate_category_balance.rs b/backend/app/src/utils/calculate_category_balance.rs
index 3c1c62f..e1de57e 100644
--- a/backend/app/src/utils/calculate_category_balance.rs
+++ b/backend/app/src/utils/calculate_category_balance.rs
@@ -1,4 +1,7 @@
-use crate::models::{budget_update::BudgetUpdate, category::Category};
+use budgeting_app_core::models::{
+    budget_update::BudgetUpdate,
+    category::Category
+};
 
 use super::{calculate_budgets_accrual, find_by_id_or};
 
@@ -19,12 +22,10 @@ pub fn calculate_category_balance(
 
 #[cfg(test)]
 mod test {
+    use budgeting_app_core::models::{budget_update::BudgetUpdate, category::Category, date_time_utc::DateTimeUtc};
     use chrono::{Days, Utc};
 
-    use crate::{
-        models::{budget_update::BudgetUpdate, category::Category, date_time_utc::DateTimeUtc},
-        utils::calculate_category_balance,
-    };
+    use crate::utils::calculate_category_balance;
 
     #[test]
     fn when_no_data_then_returns_zero() {
diff --git a/backend/app/2024-08-31-084439_initial_setup/down.sql b/backend/core/2024-08-31-084439_initial_setup/down.sql
index 8cf4b1e..8cf4b1e 100644
--- a/backend/app/2024-08-31-084439_initial_setup/down.sql
+++ b/backend/core/2024-08-31-084439_initial_setup/down.sql
diff --git a/backend/app/2024-08-31-084439_initial_setup/up.sql b/backend/core/2024-08-31-084439_initial_setup/up.sql
index 3584ae7..3584ae7 100644
--- a/backend/app/2024-08-31-084439_initial_setup/up.sql
+++ b/backend/core/2024-08-31-084439_initial_setup/up.sql
diff --git a/backend/core/Cargo.lock b/backend/core/Cargo.lock
new file mode 100644
index 0000000..0a4e0fd
--- /dev/null
+++ b/backend/core/Cargo.lock
@@ -0,0 +1,628 @@
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diff --git a/backend/core/Cargo.toml b/backend/core/Cargo.toml
new file mode 100644
index 0000000..09b1ebf
--- /dev/null
+++ b/backend/core/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "budgeting_app_core"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+chrono = { version = "0.4.38", features = ["serde"] }
+diesel = { version = "2.2.0", features = ["sqlite"] }
+diesel_migrations = "2.2.0"
+serde = { version = "1.0.209",  features = ["derive"] }
diff --git a/backend/core/src/lib.rs b/backend/core/src/lib.rs
new file mode 100644
index 0000000..7a56560
--- /dev/null
+++ b/backend/core/src/lib.rs
@@ -0,0 +1,6 @@
+use diesel_migrations::{embed_migrations, EmbeddedMigrations};
+
+pub mod models;
+pub mod schema;
+
+pub const MIGRATIONS: EmbeddedMigrations = embed_migrations!("migrations");
diff --git a/backend/app/src/models/account.rs b/backend/core/src/models/account.rs
index c10bd5f..c10bd5f 100644
--- a/backend/app/src/models/account.rs
+++ b/backend/core/src/models/account.rs
diff --git a/backend/app/src/models/budget.rs b/backend/core/src/models/budget.rs
index cc18f2e..cc18f2e 100644
--- a/backend/app/src/models/budget.rs
+++ b/backend/core/src/models/budget.rs
diff --git a/backend/app/src/models/budget_update.rs b/backend/core/src/models/budget_update.rs
index c63e957..c63e957 100644
--- a/backend/app/src/models/budget_update.rs
+++ b/backend/core/src/models/budget_update.rs
diff --git a/backend/app/src/models/category.rs b/backend/core/src/models/category.rs
index 5cb2609..5cb2609 100644
--- a/backend/app/src/models/category.rs
+++ b/backend/core/src/models/category.rs
diff --git a/backend/app/src/models/category_balance.rs b/backend/core/src/models/category_balance.rs
index 796b40b..796b40b 100644
--- a/backend/app/src/models/category_balance.rs
+++ b/backend/core/src/models/category_balance.rs
diff --git a/backend/app/src/models/category_budget.rs b/backend/core/src/models/category_budget.rs
index 9796261..9796261 100644
--- a/backend/app/src/models/category_budget.rs
+++ b/backend/core/src/models/category_budget.rs
diff --git a/backend/app/src/models/category_transfer.rs b/backend/core/src/models/category_transfer.rs
index 6cbda0e..6cbda0e 100644
--- a/backend/app/src/models/category_transfer.rs
+++ b/backend/core/src/models/category_transfer.rs
diff --git a/backend/app/src/models/date_time_utc.rs b/backend/core/src/models/date_time_utc.rs
index 03d5802..03d5802 100644
--- a/backend/app/src/models/date_time_utc.rs
+++ b/backend/core/src/models/date_time_utc.rs
diff --git a/backend/app/src/models/mod.rs b/backend/core/src/models/mod.rs
index b790fcb..b790fcb 100644
--- a/backend/app/src/models/mod.rs
+++ b/backend/core/src/models/mod.rs
diff --git a/backend/app/src/models/transaction.rs b/backend/core/src/models/transaction.rs
index 36f33f8..36f33f8 100644
--- a/backend/app/src/models/transaction.rs
+++ b/backend/core/src/models/transaction.rs
diff --git a/backend/app/src/models/transaction_categorisation.rs b/backend/core/src/models/transaction_categorisation.rs
index d2867f1..60c2b98 100644
--- a/backend/app/src/models/transaction_categorisation.rs
+++ b/backend/core/src/models/transaction_categorisation.rs
@@ -2,7 +2,7 @@ use diesel::prelude::*;
 
 #[derive(Queryable, Identifiable, Selectable, Debug, PartialEq)]
 #[diesel(table_name = crate::schema::transaction_categorisations)]
-pub struct TransactionCategorisations {
+pub struct TransactionCategorisation {
     pub id: i32,
     pub description: String,
     pub quantity: i32,
diff --git a/backend/app/src/schema.rs b/backend/core/src/schema.rs
index 372f8f3..372f8f3 100644
--- a/backend/app/src/schema.rs
+++ b/backend/core/src/schema.rs