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feat: CRUD bill aggregate
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This commit is contained in:
Aravinth Manivannan 2024-09-17 16:13:34 +05:30
parent 1c64b62d5b
commit dbbbb86a8c
Signed by: realaravinth
GPG key ID: F8F50389936984FF
40 changed files with 2060 additions and 20 deletions
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15
.sqlx/query-0e4316d20c96a7fcfcb68a98865de8e3c0e33e22f2d2cd67fdd671b1f94ab8ea.json Normal file
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@ -0,0 +1,15 @@
{
"db_name": "PostgreSQL",
"query": "INSERT INTO cqrs_billing_bill_next_token_id\n (token_number, store_id)\n VALUES\n ($1, $2);",
"describe": {
"columns": [],
"parameters": {
"Left": [
"Int4",
"Uuid"
]
},
"nullable": []
},
"hash": "0e4316d20c96a7fcfcb68a98865de8e3c0e33e22f2d2cd67fdd671b1f94ab8ea"
}

22
.sqlx/query-2af9418499c040df68031e79f7bcbdaa293f1d363f06f5926adfd038783171c4.json Normal file
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@ -0,0 +1,22 @@
{
"db_name": "PostgreSQL",
"query": "SELECT EXISTS (\n SELECT 1\n FROM cqrs_billing_bill_next_token_id\n WHERE\n store_id = $1\n );",
"describe": {
"columns": [
{
"ordinal": 0,
"name": "exists",
"type_info": "Bool"
}
],
"parameters": {
"Left": [
"Uuid"
]
},
"nullable": [
null
]
},
"hash": "2af9418499c040df68031e79f7bcbdaa293f1d363f06f5926adfd038783171c4"
}

22
.sqlx/query-6d9b6f386f4425d45d6aa8f7c2331c44587f54c3583849d07d81e87e1f773c2b.json Normal file
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@ -0,0 +1,22 @@
{
"db_name": "PostgreSQL",
"query": "INSERT INTO cqrs_billing_bill_query (\n version,\n created_time,\n store_id,\n bill_id,\n token_number,\n total_price_major,\n total_price_minor,\n total_price_currency,\n deleted\n\n ) VALUES (\n $1, $2, $3, $4, $5, $6, $7, $8, $9\n );",
"describe": {
"columns": [],
"parameters": {
"Left": [
"Int8",
"Timestamptz",
"Uuid",
"Uuid",
"Int4",
"Int4",
"Int4",
"Text",
"Bool"
]
},
"nullable": []
},
"hash": "6d9b6f386f4425d45d6aa8f7c2331c44587f54c3583849d07d81e87e1f773c2b"
}

28
.sqlx/query-835a3afa5e16c762d021c4ca889b8c9ce62cf39e4a516511f436cba04520fddd.json Normal file
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@ -0,0 +1,28 @@
{
"db_name": "PostgreSQL",
"query": "SELECT \n bill_id, version\n FROM\n cqrs_billing_bill_query\n WHERE\n bill_id = $1;",
"describe": {
"columns": [
{
"ordinal": 0,
"name": "bill_id",
"type_info": "Uuid"
},
{
"ordinal": 1,
"name": "version",
"type_info": "Int8"
}
],
"parameters": {
"Left": [
"Uuid"
]
},
"nullable": [
false,
false
]
},
"hash": "835a3afa5e16c762d021c4ca889b8c9ce62cf39e4a516511f436cba04520fddd"
}

14
.sqlx/query-859920462d8e008b34bfc7467140d382b164f80a255dfe805abcd12cd43e17f3.json Normal file
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@ -0,0 +1,14 @@
{
"db_name": "PostgreSQL",
"query": "DELETE FROM cqrs_billing_bill_next_token_id WHERE store_id = $1",
"describe": {
"columns": [],
"parameters": {
"Left": [
"Uuid"
]
},
"nullable": []
},
"hash": "859920462d8e008b34bfc7467140d382b164f80a255dfe805abcd12cd43e17f3"
}

22
.sqlx/query-91a8472f079a5221a94cdf5bf1a4da078ac5fe27b022d41948ceb5d554b7f0fa.json Normal file
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@ -0,0 +1,22 @@
{
"db_name": "PostgreSQL",
"query": "SELECT EXISTS (\n SELECT 1\n FROM cqrs_billing_bill_query\n WHERE\n bill_id = $1\n );",
"describe": {
"columns": [
{
"ordinal": 0,
"name": "exists",
"type_info": "Bool"
}
],
"parameters": {
"Left": [
"Uuid"
]
},
"nullable": [
null
]
},
"hash": "91a8472f079a5221a94cdf5bf1a4da078ac5fe27b022d41948ceb5d554b7f0fa"
}

64
.sqlx/query-b0c2747901658847d7c765401de06cba772713dfdc11e30e92ad4842cbbb8a62.json Normal file
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@ -0,0 +1,64 @@
{
"db_name": "PostgreSQL",
"query": "SELECT \n created_time,\n store_id,\n bill_id,\n token_number,\n total_price_major,\n total_price_minor,\n total_price_currency,\n deleted\n FROM\n cqrs_billing_bill_query\n WHERE\n bill_id = $1;",
"describe": {
"columns": [
{
"ordinal": 0,
"name": "created_time",
"type_info": "Timestamptz"
},
{
"ordinal": 1,
"name": "store_id",
"type_info": "Uuid"
},
{
"ordinal": 2,
"name": "bill_id",
"type_info": "Uuid"
},
{
"ordinal": 3,
"name": "token_number",
"type_info": "Int4"
},
{
"ordinal": 4,
"name": "total_price_major",
"type_info": "Int4"
},
{
"ordinal": 5,
"name": "total_price_minor",
"type_info": "Int4"
},
{
"ordinal": 6,
"name": "total_price_currency",
"type_info": "Text"
},
{
"ordinal": 7,
"name": "deleted",
"type_info": "Bool"
}
],
"parameters": {
"Left": [
"Uuid"
]
},
"nullable": [
false,
false,
false,
false,
true,
true,
true,
false
]
},
"hash": "b0c2747901658847d7c765401de06cba772713dfdc11e30e92ad4842cbbb8a62"
}

22
.sqlx/query-b335fc519289a42c707855b620a35433d3f8bd1e798772c05fc156494c036ef5.json Normal file
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@ -0,0 +1,22 @@
{
"db_name": "PostgreSQL",
"query": "UPDATE\n cqrs_billing_bill_query\n SET\n version = $1,\n\n created_time = $2,\n store_id = $3,\n bill_id = $4,\n token_number = $5,\n total_price_major = $6,\n total_price_minor = $7,\n total_price_currency = $8,\n\n deleted = $9;",
"describe": {
"columns": [],
"parameters": {
"Left": [
"Int8",
"Timestamptz",
"Uuid",
"Uuid",
"Int4",
"Int4",
"Int4",
"Text",
"Bool"
]
},
"nullable": []
},
"hash": "b335fc519289a42c707855b620a35433d3f8bd1e798772c05fc156494c036ef5"
}

22
.sqlx/query-dbd434995778eab99e753a8fcdce07612061f183c20028ea4995807de6e6fae0.json Normal file
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@ -0,0 +1,22 @@
{
"db_name": "PostgreSQL",
"query": "SELECT\n token_number\n FROM\n cqrs_billing_bill_next_token_id\n WHERE\n store_id = $1;",
"describe": {
"columns": [
{
"ordinal": 0,
"name": "token_number",
"type_info": "Int4"
}
],
"parameters": {
"Left": [
"Uuid"
]
},
"nullable": [
false
]
},
"hash": "dbd434995778eab99e753a8fcdce07612061f183c20028ea4995807de6e6fae0"
}

15
.sqlx/query-df0fde518fdde267e2513fdd2c8d35cbdcf0ae01437b469f1acc93ed11702ce7.json Normal file
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@ -0,0 +1,15 @@
{
"db_name": "PostgreSQL",
"query": "UPDATE cqrs_billing_bill_next_token_id\n SET\n token_number = $1\n WHERE\n store_id = $2",
"describe": {
"columns": [],
"parameters": {
"Left": [
"Int4",
"Uuid"
]
},
"nullable": []
},
"hash": "df0fde518fdde267e2513fdd2c8d35cbdcf0ae01437b469f1acc93ed11702ce7"
}

31
migrations/20240917094208_cqrs_billing_bill_query.sql Normal file
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@ -0,0 +1,31 @@
-- SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
--
-- SPDX-License-Identifier: AGPL-3.0-or-later
CREATE TABLE IF NOT EXISTS cqrs_billing_bill_query
(
version bigint CHECK (version >= 0) NOT NULL,
created_time timestamp with time zone DEFAULT (CURRENT_TIMESTAMP) NOT NULL,
bill_id UUID NOT NULL UNIQUE,
store_id UUID NOT NULL,
token_number INTEGER NOT NULL,
total_price_minor INTEGER DEFAULT NULL,
total_price_major INTEGER DEFAULT NULL,
total_price_currency TEXT DEFAULT NULL,
deleted BOOLEAN NOT NULL DEFAULT FALSE,
PRIMARY KEY (bill_id)
);
CREATE TABLE IF NOT EXISTS cqrs_billing_bill_next_token_id
(
store_id UUID NOT NULL,
token_number INTEGER NOT NULL DEFAULT 1,
PRIMARY KEY (store_id)
);

83
src/billing/adapters/output/db/postgres/bill_id_exists.rs Normal file
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@ -0,0 +1,83 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use uuid::Uuid;
use super::BillingDBPostgresAdapter;
use crate::billing::application::port::output::db::{bill_id_exists::*, errors::*};
#[async_trait::async_trait]
impl BillIDExistsDBPort for BillingDBPostgresAdapter {
async fn bill_id_exists(&self, bill_id: &Uuid) -> BillingDBResult<bool> {
let res = sqlx::query!(
"SELECT EXISTS (
SELECT 1
FROM cqrs_billing_bill_query
WHERE
bill_id = $1
);",
bill_id
)
.fetch_one(&self.pool)
.await?;
if let Some(x) = res.exists {
Ok(x)
} else {
Ok(false)
}
}
}
#[cfg(test)]
pub mod tests {
use super::*;
// use crate::billing::domain::add_product_command::tests::get_customizations;
use crate::billing::domain::bill_aggregate::*;
async fn create_dummy_bill(bill: &Bill, db: &BillingDBPostgresAdapter) {
sqlx::query!(
"INSERT INTO cqrs_billing_bill_query (
version,
store_id,
bill_id,
token_number,
deleted
) VALUES (
$1, $2, $3, $4, $5
);",
1,
*bill.store_id(),
*bill.bill_id(),
*bill.token_number() as i32,
bill.deleted().clone(),
)
.execute(&db.pool)
.await
.unwrap();
}
#[actix_rt::test]
async fn test_postgres_product_exists() {
let settings = crate::settings::tests::get_settings().await;
settings.create_db().await;
let db = super::BillingDBPostgresAdapter::new(
sqlx::postgres::PgPool::connect(&settings.database.url)
.await
.unwrap(),
);
let bill = Bill::default();
// state doesn't exist
assert!(!db.bill_id_exists(bill.bill_id()).await.unwrap());
create_dummy_bill(&bill, &db).await;
// state exists
assert!(db.bill_id_exists(bill.bill_id()).await.unwrap());
settings.drop_db().await;
}
}

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src/billing/adapters/output/db/postgres/bill_view.rs Normal file
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@ -0,0 +1,371 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use async_trait::async_trait;
use cqrs_es::persist::{PersistenceError, ViewContext, ViewRepository};
use cqrs_es::{EventEnvelope, Query, View};
use serde::{Deserialize, Serialize};
use time::OffsetDateTime;
use uuid::Uuid;
use super::errors::*;
use super::BillingDBPostgresAdapter;
use crate::billing::domain::bill_aggregate::Bill;
use crate::billing::domain::events::BillingEvent;
use crate::utils::parse_aggregate_id::parse_aggregate_id;
pub const NEW_BILL_NON_UUID: &str = "billing_new_bill_non_uuid-asdfa";
// The view for a Bill query, for a standard http application this should
// be designed to reflect the response dto that will be returned to a user.
#[derive(Debug, Serialize, Deserialize)]
pub struct BillView {
created_time: OffsetDateTime,
store_id: Uuid,
bill_id: Uuid,
token_number: i32,
total_price_minor: Option<i32>,
total_price_major: Option<i32>,
total_price_currency: Option<String>,
deleted: bool,
}
impl Default for BillView {
fn default() -> Self {
Self {
created_time: OffsetDateTime::now_utc(),
store_id: Default::default(),
bill_id: Default::default(),
token_number: Default::default(),
total_price_minor: Default::default(),
total_price_major: Default::default(),
total_price_currency: Default::default(),
deleted: false,
}
}
}
// This updates the view with events as they are committed.
// The logic should be minimal here, e.g., don't calculate the account balance,
// design the events to carry the balance information instead.
impl View<Bill> for BillView {
fn update(&mut self, event: &EventEnvelope<Bill>) {
if let BillingEvent::BillAdded(val) = &event.payload {
self.created_time = val.bill().created_time().clone();
self.store_id = *val.bill().store_id();
self.bill_id = *val.bill().bill_id();
self.token_number = *val.bill().token_number() as i32;
self.total_price_minor = val.bill().total_price().as_ref().map(|t| *t.minor() as i32);
self.total_price_major = val.bill().total_price().as_ref().map(|t| *t.major() as i32);
self.total_price_currency = val
.bill()
.total_price()
.as_ref()
.map(|t| t.currency().to_string());
self.deleted = false;
}
}
}
#[async_trait]
impl ViewRepository<BillView, Bill> for BillingDBPostgresAdapter {
async fn load(&self, bill_id: &str) -> Result<Option<BillView>, PersistenceError> {
let bill_id = match parse_aggregate_id(bill_id, NEW_BILL_NON_UUID)? {
Some((val, _)) => return Ok(Some(val)),
None => Uuid::parse_str(bill_id).unwrap(),
};
let res = sqlx::query_as!(
BillView,
"SELECT
created_time,
store_id,
bill_id,
token_number,
total_price_major,
total_price_minor,
total_price_currency,
deleted
FROM
cqrs_billing_bill_query
WHERE
bill_id = $1;",
bill_id
)
.fetch_one(&self.pool)
.await
.map_err(PostgresAggregateError::from)?;
Ok(Some(res))
}
async fn load_with_context(
&self,
bill_id: &str,
) -> Result<Option<(BillView, ViewContext)>, PersistenceError> {
let bill_id = match parse_aggregate_id(bill_id, NEW_BILL_NON_UUID)? {
Some(val) => return Ok(Some(val)),
None => Uuid::parse_str(bill_id).unwrap(),
};
let res = sqlx::query_as!(
BillView,
"SELECT
created_time,
store_id,
bill_id,
token_number,
total_price_major,
total_price_minor,
total_price_currency,
deleted
FROM
cqrs_billing_bill_query
WHERE
bill_id = $1;",
&bill_id,
)
.fetch_one(&self.pool)
.await
.map_err(PostgresAggregateError::from)?;
struct Context {
version: i64,
bill_id: Uuid,
}
let ctx = sqlx::query_as!(
Context,
"SELECT
bill_id, version
FROM
cqrs_billing_bill_query
WHERE
bill_id = $1;",
bill_id
)
.fetch_one(&self.pool)
.await
.map_err(PostgresAggregateError::from)?;
let view_context = ViewContext::new(ctx.bill_id.to_string(), ctx.version);
Ok(Some((res, view_context)))
}
async fn update_view(
&self,
view: BillView,
context: ViewContext,
) -> Result<(), PersistenceError> {
match context.version {
0 => {
let version = context.version + 1;
sqlx::query!(
"INSERT INTO cqrs_billing_bill_query (
version,
created_time,
store_id,
bill_id,
token_number,
total_price_major,
total_price_minor,
total_price_currency,
deleted
) VALUES (
$1, $2, $3, $4, $5, $6, $7, $8, $9
);",
version,
view.created_time,
view.store_id,
view.bill_id,
view.token_number,
view.total_price_major,
view.total_price_minor,
view.total_price_currency,
view.deleted,
)
.execute(&self.pool)
.await
.map_err(PostgresAggregateError::from)?;
}
_ => {
let version = context.version + 1;
sqlx::query!(
"UPDATE
cqrs_billing_bill_query
SET
version = $1,
created_time = $2,
store_id = $3,
bill_id = $4,
token_number = $5,
total_price_major = $6,
total_price_minor = $7,
total_price_currency = $8,
deleted = $9;",
version,
view.created_time,
view.store_id,
view.bill_id,
view.token_number,
view.total_price_major,
view.total_price_minor,
view.total_price_currency,
view.deleted,
)
.execute(&self.pool)
.await
.map_err(PostgresAggregateError::from)?;
}
}
Ok(())
}
}
pub struct SimpleLoggingQuery {}
// Our simplest query, this is great for debugging but absolutely useless in production.
// This query just pretty prints the events as they are processed.
#[async_trait]
impl Query<Bill> for SimpleLoggingQuery {
async fn dispatch(&self, aggregate_id: &str, events: &[EventEnvelope<Bill>]) {
for event in events {
let payload = serde_json::to_string_pretty(&event.payload).unwrap();
println!("{}-{}\n{}", aggregate_id, event.sequence, payload);
}
}
}
#[async_trait]
impl Query<Bill> for BillingDBPostgresAdapter {
async fn dispatch(&self, bill_id: &str, events: &[EventEnvelope<Bill>]) {
let res = self
.load_with_context(bill_id)
.await
.unwrap_or_else(|_| Some((BillView::default(), ViewContext::new(bill_id.into(), 0))));
let (mut view, view_context): (BillView, ViewContext) = res.unwrap();
for event in events {
view.update(event);
}
self.update_view(view, view_context).await.unwrap();
}
}
// Our second query, this one will be handled with Postgres `GenericQuery`
// which will serialize and persist our view after it is updated. It also
// provides a `load` method to deserialize the view on request.
//pub type BillQuery = GenericQuery<BillingDBPostgresAdapter, BillView, Bill>;
//pub type BillQuery = Query<dyn BillingDBPostgresAdapter, BillView, Bill>;
//#[cfg(test)]
//mod tests {
// use super::*;
//
// use postgres_es::PostgresCqrs;
//
// use crate::{
// db::migrate::*,
// billing::{
// application::services::{
// add_category_service::tests::mock_add_category_service, add_customization_service::tests::mock_add_customization_service, add_line_item_service::tests::mock_add_line_item_service, add_product_service::tests::mock_add_product_service, add_bill_service::AddBillServiceBuilder, update_category_service::tests::mock_update_category_service, update_customization_service::tests::mock_update_customization_service, update_product_service::tests::mock_update_product_service, update_bill_service::tests::mock_update_bill_service, BillingServicesBuilder
// },
// domain::{
// add_category_command::AddCategoryCommand, add_customization_command,
// add_product_command::tests::get_command, add_bill_command::AddBillCommand,
// commands::BillingCommand,
// update_category_command::tests::get_update_category_command,
// update_customization_command::tests::get_update_customization_command,
// update_product_command, update_bill_command::tests::get_update_bill_cmd,
// },
// },
// tests::bdd::IS_NEVER_CALLED,
// utils::{random_string::GenerateRandomStringInterface, uuid::tests::UUID},
// };
// use std::sync::Arc;
//
// #[actix_rt::test]
// async fn pg_query() {
// let settings = crate::settings::tests::get_settings().await;
// //let settings = crate::settings::Settings::new().unwrap();
// settings.create_db().await;
//
// let db = crate::db::sqlx_postgres::Postgres::init(&settings.database.url).await;
// db.migrate().await;
// let db = BillingDBPostgresAdapter::new(db.pool.clone());
//
// let simple_query = SimpleLoggingQuery {};
//
// let queries: Vec<Box<dyn Query<Bill>>> =
// vec![Box::new(simple_query), Box::new(db.clone())];
//
// let services = BillingServicesBuilder::default()
// .add_bill(Arc::new(
// AddBillServiceBuilder::default()
// .db_bill_id_exists(Arc::new(db.clone()))
// .db_bill_name_exists(Arc::new(db.clone()))
// .get_uuid(Arc::new(crate::utils::uuid::GenerateUUID {}))
// .build()
// .unwrap(),
// ))
// .add_category(mock_add_category_service(
// IS_NEVER_CALLED,
// AddCategoryCommand::new("foo".into(), None, UUID, UUID).unwrap(),
// ))
// .add_product(mock_add_product_service(IS_NEVER_CALLED, get_command()))
// .add_customization(mock_add_customization_service(
// IS_NEVER_CALLED,
// add_customization_command::tests::get_command(),
// ))
// .update_product(mock_update_product_service(
// IS_NEVER_CALLED,
// update_product_command::tests::get_command(),
// ))
// .update_customization(mock_update_customization_service(
// IS_NEVER_CALLED,
// get_update_customization_command(),
// ))
// .update_category(mock_update_category_service(
// IS_NEVER_CALLED,
// get_update_category_command(),
// ))
// .update_bill(mock_update_bill_service(
// IS_NEVER_CALLED,
// get_update_bill_cmd(),
// ))
// .build()
// .unwrap();
//
// let (cqrs, _bill_query): (
// Arc<PostgresCqrs<Bill>>,
// Arc<dyn ViewRepository<BillView, Bill>>,
// ) = (
// Arc::new(postgres_es::postgres_cqrs(
// db.pool.clone(),
// queries,
// Arc::new(services),
// )),
// Arc::new(db.clone()),
// );
//
// let rand = crate::utils::random_string::GenerateRandomString {};
// let cmd = AddBillCommand::new(rand.get_random(10), None, UUID).unwrap();
// cqrs.execute("", BillingCommand::AddBill(cmd.clone()))
// .await
// .unwrap();
//
// settings.drop_db().await;
// }
//}

3
src/billing/adapters/output/db/postgres/mod.rs
View file

@ -7,9 +7,12 @@ use sqlx::postgres::PgPool;
use crate::db::{migrate::RunMigrations, sqlx_postgres::Postgres};
mod bill_id_exists;
mod bill_view;
mod errors;
mod line_item_id_exists;
mod line_item_view;
mod next_token_id;
mod store_id_exists;
mod store_name_exists;
mod store_view;

111
src/billing/adapters/output/db/postgres/next_token_id.rs Normal file
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@ -0,0 +1,111 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use uuid::Uuid;
use super::BillingDBPostgresAdapter;
use crate::billing::application::port::output::db::{errors::*, next_token_id::*};
struct TokenNumber {
token_number: i32,
}
#[async_trait::async_trait]
impl NextTokenIDDBPort for BillingDBPostgresAdapter {
/// delete record for store_id, so that when next_token_id is called, it'll create and set it
/// to 1
async fn reset(&self, store_id: &Uuid) -> BillingDBResult<()> {
sqlx::query!(
"DELETE FROM cqrs_billing_bill_next_token_id WHERE store_id = $1",
store_id
)
.execute(&self.pool)
.await?;
Ok(())
}
/// increment token ID and return pre-increment value
async fn next_token_id(&self, store_id: &Uuid) -> BillingDBResult<usize> {
let res = sqlx::query!(
"SELECT EXISTS (
SELECT 1
FROM cqrs_billing_bill_next_token_id
WHERE
store_id = $1
);",
store_id
)
.fetch_one(&self.pool)
.await?;
if let Some(true) = res.exists {
let res = sqlx::query_as!(
TokenNumber,
"SELECT
token_number
FROM
cqrs_billing_bill_next_token_id
WHERE
store_id = $1;",
store_id
)
.fetch_one(&self.pool)
.await?;
sqlx::query!(
"UPDATE cqrs_billing_bill_next_token_id
SET
token_number = $1
WHERE
store_id = $2",
res.token_number + 1,
store_id
)
.execute(&self.pool)
.await?;
Ok(res.token_number as usize + 1)
} else {
sqlx::query!(
"INSERT INTO cqrs_billing_bill_next_token_id
(token_number, store_id)
VALUES
($1, $2);",
1,
store_id
)
.execute(&self.pool)
.await?;
Ok(1)
}
}
}
#[cfg(test)]
pub mod tests {
use super::*;
// use crate::billing::domain::add_product_command::tests::get_customizations;
use crate::{billing::domain::bill_aggregate::*, utils::uuid::tests::UUID};
#[actix_rt::test]
async fn test_postgres_next_token_id() {
let settings = crate::settings::tests::get_settings().await;
settings.create_db().await;
let db = super::BillingDBPostgresAdapter::new(
sqlx::postgres::PgPool::connect(&settings.database.url)
.await
.unwrap(),
);
let store_id = UUID;
assert_eq!(db.next_token_id(&store_id).await.unwrap(), 1);
assert_eq!(db.next_token_id(&store_id).await.unwrap(), 2);
assert!(db.reset(&store_id).await.is_ok());
assert_eq!(db.next_token_id(&store_id).await.unwrap(), 1);
settings.drop_db().await;
}
}

4
src/billing/application/mod.rs
View file

@ -2,5 +2,5 @@
//
// SPDX-License-Identifier: AGPL-3.0-or-later
mod port;
mod services;
pub mod port;
pub mod services;

4
src/billing/application/port/mod.rs
View file

@ -2,5 +2,5 @@
//
// SPDX-License-Identifier: AGPL-3.0-or-later
mod input;
mod output;
pub mod input;
pub mod output;

53
src/billing/application/port/output/db/bill_id_exists.rs Normal file
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@ -0,0 +1,53 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use mockall::predicate::*;
use mockall::*;
use uuid::Uuid;
use super::errors::*;
#[cfg(test)]
#[allow(unused_imports)]
pub use tests::*;
#[automock]
#[async_trait::async_trait]
pub trait BillIDExistsDBPort: Send + Sync {
async fn bill_id_exists(&self, c: &Uuid) -> BillingDBResult<bool>;
}
pub type BillIDExistsDBPortObj = std::sync::Arc<dyn BillIDExistsDBPort>;
#[cfg(test)]
pub mod tests {
use super::*;
use std::sync::Arc;
pub fn mock_bill_id_exists_db_port_false(times: Option<usize>) -> BillIDExistsDBPortObj {
let mut m = MockBillIDExistsDBPort::new();
if let Some(times) = times {
m.expect_bill_id_exists()
.times(times)
.returning(|_| Ok(false));
} else {
m.expect_bill_id_exists().returning(|_| Ok(false));
}
Arc::new(m)
}
pub fn mock_bill_id_exists_db_port_true(times: Option<usize>) -> BillIDExistsDBPortObj {
let mut m = MockBillIDExistsDBPort::new();
if let Some(times) = times {
m.expect_bill_id_exists()
.times(times)
.returning(|_| Ok(true));
} else {
m.expect_bill_id_exists().returning(|_| Ok(true));
}
Arc::new(m)
}
}

19
src/billing/application/port/output/db/errors.rs Normal file
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@ -0,0 +1,19 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use derive_more::Display;
use serde::{Deserialize, Serialize};
pub type BillingDBResult<V> = Result<V, BillingDBError>;
#[derive(Debug, Display, Clone, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub enum BillingDBError {
DuplicateBillID,
DuplicateStoreName,
DuplicateStoreID,
StoreIDNotFound,
DuplicateLineItemID,
LineItemIDNotFound,
InternalError,
}

57
src/billing/application/port/output/db/line_item_id_exists.rs Normal file
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@ -0,0 +1,57 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use mockall::predicate::*;
use mockall::*;
use uuid::Uuid;
use super::errors::*;
#[cfg(test)]
#[allow(unused_imports)]
pub use tests::*;
#[automock]
#[async_trait::async_trait]
pub trait LineItemIDExistsDBPort: Send + Sync {
async fn line_item_id_exists(&self, line_item_id: &Uuid) -> BillingDBResult<bool>;
}
pub type LineItemIDExistsDBPortObj = std::sync::Arc<dyn LineItemIDExistsDBPort>;
#[cfg(test)]
pub mod tests {
use super::*;
use std::sync::Arc;
pub fn mock_line_item_id_exists_db_port_false(
times: Option<usize>,
) -> LineItemIDExistsDBPortObj {
let mut m = MockLineItemIDExistsDBPort::new();
if let Some(times) = times {
m.expect_line_item_id_exists()
.times(times)
.returning(|_| Ok(false));
} else {
m.expect_line_item_id_exists().returning(|_| Ok(false));
}
Arc::new(m)
}
pub fn mock_line_item_id_exists_db_port_true(
times: Option<usize>,
) -> LineItemIDExistsDBPortObj {
let mut m = MockLineItemIDExistsDBPort::new();
if let Some(times) = times {
m.expect_line_item_id_exists()
.times(times)
.returning(|_| Ok(true));
} else {
m.expect_line_item_id_exists().returning(|_| Ok(true));
}
Arc::new(m)
}
}

9
src/billing/application/port/output/db/mod.rs Normal file
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@ -0,0 +1,9 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
pub mod bill_id_exists;
pub mod errors;
pub mod line_item_id_exists;
pub mod next_token_id;
pub mod store_id_exists;
pub mod store_name_exists;

43
src/billing/application/port/output/db/next_token_id.rs Normal file
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@ -0,0 +1,43 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use mockall::predicate::*;
use mockall::*;
use uuid::Uuid;
use super::errors::*;
#[cfg(test)]
#[allow(unused_imports)]
pub use tests::*;
#[automock]
#[async_trait::async_trait]
pub trait NextTokenIDDBPort: Send + Sync {
/// delete record for store_id, so that when next_token_id is called, it'll create and set it
/// to 1
async fn reset(&self, store_id: &Uuid) -> BillingDBResult<()>;
/// increment token ID and return pre-increment value
async fn next_token_id(&self, store_id: &Uuid) -> BillingDBResult<usize>;
}
pub type NextTokenIDDBPortObj = std::sync::Arc<dyn NextTokenIDDBPort>;
#[cfg(test)]
pub mod tests {
use super::*;
use std::sync::Arc;
pub fn mock_next_token_id_db_port(times: Option<usize>) -> NextTokenIDDBPortObj {
let mut m = MockNextTokenIDDBPort::new();
if let Some(times) = times {
m.expect_next_token_id().times(times).returning(|_| Ok(1));
} else {
m.expect_next_token_id().returning(|_| Ok(1));
}
Arc::new(m)
}
}

1
src/billing/application/port/output/mod.rs
View file

@ -1,3 +1,4 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
pub mod db;

125
src/billing/application/services/add_bill_service.rs Normal file
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@ -0,0 +1,125 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use std::sync::Arc;
use derive_builder::Builder;
use mockall::predicate::*;
use mockall::*;
use super::errors::*;
use crate::billing::{
application::port::output::db::{bill_id_exists::*, next_token_id::*},
domain::{
add_bill_command::AddBillCommand,
bill_added_event::{BillAddedEvent, BillAddedEventBuilder},
bill_aggregate::*,
},
};
use crate::utils::uuid::*;
#[automock]
#[async_trait::async_trait]
pub trait AddBillUseCase: Send + Sync {
async fn add_bill(&self, cmd: AddBillCommand) -> BillingResult<BillAddedEvent>;
}
pub type AddBillServiceObj = Arc<dyn AddBillUseCase>;
#[derive(Clone, Builder)]
pub struct AddBillService {
db_bill_id_exists: BillIDExistsDBPortObj,
db_next_token_id: NextTokenIDDBPortObj,
get_uuid: GetUUIDInterfaceObj,
}
#[async_trait::async_trait]
impl AddBillUseCase for AddBillService {
async fn add_bill(&self, cmd: AddBillCommand) -> BillingResult<BillAddedEvent> {
let mut bill_id = self.get_uuid.get_uuid();
loop {
if self.db_bill_id_exists.bill_id_exists(&bill_id).await? {
bill_id = self.get_uuid.get_uuid();
continue;
} else {
break;
}
}
let token_number = self.db_next_token_id.next_token_id(cmd.store_id()).await?;
let bill = BillBuilder::default()
.bill_id(bill_id)
.token_number(token_number)
.created_time(cmd.created_time().clone())
.store_id(*cmd.store_id())
.total_price(None)
.deleted(false)
.build()
.unwrap();
Ok(BillAddedEventBuilder::default()
.added_by_user(*cmd.adding_by())
.bill(bill)
.build()
.unwrap())
}
}
#[cfg(test)]
pub mod tests {
use super::*;
// use crate::billing::domain::add_bill_command::tests::get_command;
use crate::utils::uuid::tests::UUID;
use crate::{tests::bdd::*, utils::uuid::tests::mock_get_uuid};
pub fn mock_add_bill_service(times: Option<usize>, cmd: AddBillCommand) -> AddBillServiceObj {
let mut m = MockAddBillUseCase::new();
let bill = BillBuilder::default()
.bill_id(UUID)
.token_number(1)
.total_price(None)
.created_time(cmd.created_time().clone())
.store_id(*cmd.store_id())
.deleted(false)
.build()
.unwrap();
let res = BillAddedEventBuilder::default()
.added_by_user(*cmd.adding_by())
.bill(bill)
.build()
.unwrap();
if let Some(times) = times {
m.expect_add_bill()
.times(times)
.returning(move |_| Ok(res.clone()));
} else {
m.expect_add_bill().returning(move |_| Ok(res.clone()));
}
Arc::new(m)
}
#[actix_rt::test]
async fn test_service_bill_doesnt_exist() {
let cmd = AddBillCommand::get_cmd();
let s = AddBillServiceBuilder::default()
.db_bill_id_exists(mock_bill_id_exists_db_port_false(IS_CALLED_ONLY_ONCE))
.db_next_token_id(mock_next_token_id_db_port(IS_CALLED_ONLY_ONCE))
.get_uuid(mock_get_uuid(IS_CALLED_ONLY_ONCE))
.build()
.unwrap();
let res = s.add_bill(cmd.clone()).await.unwrap();
assert_eq!(res.bill().created_time(), cmd.created_time());
assert_eq!(res.bill().store_id(), cmd.store_id());
assert_eq!(res.added_by_user(), cmd.adding_by());
}
}

8
src/billing/application/services/add_store_service.rs
View file

@ -22,7 +22,7 @@ use crate::utils::uuid::*;
#[automock]
#[async_trait::async_trait]
pub trait AddStoreUseCase: Send + Sync {
async fn add_store(&self, cmd: AddStoreCommand) -> BillResult<StoreAddedEvent>;
async fn add_store(&self, cmd: AddStoreCommand) -> BillingResult<StoreAddedEvent>;
}
pub type AddStoreServiceObj = Arc<dyn AddStoreUseCase>;
@ -36,7 +36,7 @@ pub struct AddStoreService {
#[async_trait::async_trait]
impl AddStoreUseCase for AddStoreService {
async fn add_store(&self, cmd: AddStoreCommand) -> BillResult<StoreAddedEvent> {
async fn add_store(&self, cmd: AddStoreCommand) -> BillingResult<StoreAddedEvent> {
let mut store_id = self.get_uuid.get_uuid();
loop {
@ -57,7 +57,7 @@ impl AddStoreUseCase for AddStoreService {
.unwrap();
if self.db_store_name_exists.store_name_exists(&store).await? {
return Err(BillError::DuplicateStoreName);
return Err(BillingError::DuplicateStoreName);
}
Ok(StoreAddedEventBuilder::default()
@ -143,7 +143,7 @@ pub mod tests {
assert_eq!(
s.add_store(cmd.clone()).await,
Err(BillError::DuplicateStoreName)
Err(BillingError::DuplicateStoreName)
);
}
}

103
src/billing/application/services/delete_bill_service.rs Normal file
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@ -0,0 +1,103 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use std::sync::Arc;
use derive_builder::Builder;
use mockall::predicate::*;
use mockall::*;
use super::errors::*;
use crate::billing::{
application::port::output::db::bill_id_exists::*,
domain::{bill_deleted_event::*, delete_bill_command::DeleteBillCommand},
};
#[automock]
#[async_trait::async_trait]
pub trait DeleteBillUseCase: Send + Sync {
async fn delete_bill(&self, cmd: DeleteBillCommand) -> BillingResult<BillDeletedEvent>;
}
pub type DeleteBillServiceObj = Arc<dyn DeleteBillUseCase>;
#[derive(Clone, Builder)]
pub struct DeleteBillService {
db_bill_id_exists: BillIDExistsDBPortObj,
}
#[async_trait::async_trait]
impl DeleteBillUseCase for DeleteBillService {
async fn delete_bill(&self, cmd: DeleteBillCommand) -> BillingResult<BillDeletedEvent> {
if !self
.db_bill_id_exists
.bill_id_exists(cmd.bill().bill_id())
.await?
{
return Err(BillingError::BillIDNotFound);
}
Ok(BillDeletedEventBuilder::default()
.added_by_user(*cmd.adding_by())
.bill(cmd.bill().clone())
.build()
.unwrap())
}
}
#[cfg(test)]
pub mod tests {
use super::*;
use crate::billing::domain::bill_deleted_event::tests::get_deleted_bill_event_from_command;
use crate::tests::bdd::*;
pub fn mock_delete_bill_service(
times: Option<usize>,
cmd: DeleteBillCommand,
) -> DeleteBillServiceObj {
let mut m = MockDeleteBillUseCase::new();
let res = get_deleted_bill_event_from_command(&cmd);
if let Some(times) = times {
m.expect_delete_bill()
.times(times)
.returning(move |_| Ok(res.clone()));
} else {
m.expect_delete_bill().returning(move |_| Ok(res.clone()));
}
Arc::new(m)
}
#[actix_rt::test]
async fn test_service() {
let cmd = DeleteBillCommand::get_cmd();
let s = DeleteBillServiceBuilder::default()
.db_bill_id_exists(mock_bill_id_exists_db_port_true(IS_CALLED_ONLY_ONCE))
.build()
.unwrap();
let res = s.delete_bill(cmd.clone()).await.unwrap();
assert_eq!(res.bill(), cmd.bill());
assert_eq!(res.added_by_user(), cmd.adding_by());
}
#[actix_rt::test]
async fn test_service_bill_id_doesnt_exist() {
let cmd = DeleteBillCommand::get_cmd();
let s = DeleteBillServiceBuilder::default()
.db_bill_id_exists(mock_bill_id_exists_db_port_false(IS_CALLED_ONLY_ONCE))
.build()
.unwrap();
assert_eq!(
s.delete_bill(cmd.clone()).await,
Err(BillingError::BillIDNotFound)
);
}
}

68
src/billing/application/services/mod.rs
View file

@ -1,3 +1,71 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use derive_builder::Builder;
use mockall::predicate::*;
use mockall::*;
pub mod errors;
// services
pub mod add_bill_service;
pub mod add_line_item_service;
pub mod add_store_service;
pub mod delete_bill_service;
pub mod delete_line_item_service;
pub mod update_bill_service;
pub mod update_line_item_service;
pub mod update_store_service;
#[automock]
pub trait BillingServicesInterface: Send + Sync {
fn add_bill(&self) -> add_bill_service::AddBillServiceObj;
fn update_bill(&self) -> update_bill_service::UpdateBillServiceObj;
fn delete_bill(&self) -> delete_bill_service::DeleteBillServiceObj;
fn add_store(&self) -> add_store_service::AddStoreServiceObj;
fn update_store(&self) -> update_store_service::UpdateStoreServiceObj;
fn add_line_item(&self) -> add_line_item_service::AddLineItemServiceObj;
fn update_line_item(&self) -> update_line_item_service::UpdateLineItemServiceObj;
fn delete_line_item(&self) -> delete_line_item_service::DeleteLineItemServiceObj;
}
#[derive(Clone, Builder)]
pub struct BillingServices {
add_bill: add_bill_service::AddBillServiceObj,
add_store: add_store_service::AddStoreServiceObj,
update_store: update_store_service::UpdateStoreServiceObj,
add_line_item: add_line_item_service::AddLineItemServiceObj,
update_line_item: update_line_item_service::UpdateLineItemServiceObj,
delete_line_item: delete_line_item_service::DeleteLineItemServiceObj,
update_bill: update_bill_service::UpdateBillServiceObj,
delete_bill: delete_bill_service::DeleteBillServiceObj,
}
impl BillingServicesInterface for BillingServices {
fn add_bill(&self) -> add_bill_service::AddBillServiceObj {
self.add_bill.clone()
}
fn update_bill(&self) -> update_bill_service::UpdateBillServiceObj {
self.update_bill.clone()
}
fn delete_bill(&self) -> delete_bill_service::DeleteBillServiceObj {
self.delete_bill.clone()
}
fn add_store(&self) -> add_store_service::AddStoreServiceObj {
self.add_store.clone()
}
fn update_store(&self) -> update_store_service::UpdateStoreServiceObj {
self.update_store.clone()
}
fn add_line_item(&self) -> add_line_item_service::AddLineItemServiceObj {
self.add_line_item.clone()
}
fn update_line_item(&self) -> update_line_item_service::UpdateLineItemServiceObj {
self.update_line_item.clone()
}
fn delete_line_item(&self) -> delete_line_item_service::DeleteLineItemServiceObj {
self.delete_line_item.clone()
}
}

116
src/billing/application/services/update_bill_service.rs Normal file
View file

@ -0,0 +1,116 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use std::sync::Arc;
use derive_builder::Builder;
use mockall::predicate::*;
use mockall::*;
use super::errors::*;
use crate::billing::{
application::port::output::db::bill_id_exists::*,
domain::{bill_aggregate::*, bill_updated_event::*, update_bill_command::UpdateBillCommand},
};
#[automock]
#[async_trait::async_trait]
pub trait UpdateBillUseCase: Send + Sync {
async fn update_bill(&self, cmd: UpdateBillCommand) -> BillingResult<BillUpdatedEvent>;
}
pub type UpdateBillServiceObj = Arc<dyn UpdateBillUseCase>;
#[derive(Clone, Builder)]
pub struct UpdateBillService {
db_bill_id_exists: BillIDExistsDBPortObj,
}
#[async_trait::async_trait]
impl UpdateBillUseCase for UpdateBillService {
async fn update_bill(&self, cmd: UpdateBillCommand) -> BillingResult<BillUpdatedEvent> {
if !self
.db_bill_id_exists
.bill_id_exists(cmd.old_bill().bill_id())
.await?
{
return Err(BillingError::BillIDNotFound);
}
let bill = BillBuilder::default()
.bill_id(*cmd.old_bill().bill_id())
.token_number(*cmd.old_bill().token_number())
.total_price(cmd.total_price().clone())
.store_id(*cmd.store_id())
.deleted(false)
.build()
.unwrap();
Ok(BillUpdatedEventBuilder::default()
.added_by_user(*cmd.adding_by())
.new_bill(bill)
.old_bill(cmd.old_bill().clone())
.build()
.unwrap())
}
}
#[cfg(test)]
pub mod tests {
use super::*;
use crate::billing::domain::bill_updated_event::tests::get_updated_bill_event_from_command;
use crate::tests::bdd::*;
use crate::utils::uuid::tests::*;
pub fn mock_update_bill_service(
times: Option<usize>,
cmd: UpdateBillCommand,
) -> UpdateBillServiceObj {
let mut m = MockUpdateBillUseCase::new();
let res = get_updated_bill_event_from_command(&cmd);
if let Some(times) = times {
m.expect_update_bill()
.times(times)
.returning(move |_| Ok(res.clone()));
} else {
m.expect_update_bill().returning(move |_| Ok(res.clone()));
}
Arc::new(m)
}
#[actix_rt::test]
async fn test_service() {
let cmd = UpdateBillCommand::get_cmd();
let s = UpdateBillServiceBuilder::default()
.db_bill_id_exists(mock_bill_id_exists_db_port_true(IS_CALLED_ONLY_ONCE))
.build()
.unwrap();
let res = s.update_bill(cmd.clone()).await.unwrap();
assert_eq!(res.new_bill().total_price(), cmd.total_price());
assert_eq!(res.new_bill().bill_id(), cmd.old_bill().bill_id());
assert_eq!(res.old_bill(), cmd.old_bill());
assert_eq!(res.added_by_user(), cmd.adding_by());
}
#[actix_rt::test]
async fn test_service_bill_id_doesnt_exist() {
let cmd = UpdateBillCommand::get_cmd();
let s = UpdateBillServiceBuilder::default()
.db_bill_id_exists(mock_bill_id_exists_db_port_false(IS_CALLED_ONLY_ONCE))
.build()
.unwrap();
assert_eq!(
s.update_bill(cmd.clone()).await,
Err(BillingError::BillIDNotFound)
);
}
}

12
src/billing/application/services/update_store_service.rs
View file

@ -20,7 +20,7 @@ use crate::utils::uuid::*;
#[automock]
#[async_trait::async_trait]
pub trait UpdateStoreUseCase: Send + Sync {
async fn update_store(&self, cmd: UpdateStoreCommand) -> BillResult<StoreUpdatedEvent>;
async fn update_store(&self, cmd: UpdateStoreCommand) -> BillingResult<StoreUpdatedEvent>;
}
pub type UpdateStoreServiceObj = Arc<dyn UpdateStoreUseCase>;
@ -33,13 +33,13 @@ pub struct UpdateStoreService {
#[async_trait::async_trait]
impl UpdateStoreUseCase for UpdateStoreService {
async fn update_store(&self, cmd: UpdateStoreCommand) -> BillResult<StoreUpdatedEvent> {
async fn update_store(&self, cmd: UpdateStoreCommand) -> BillingResult<StoreUpdatedEvent> {
if !self
.db_store_id_exists
.store_id_exists(cmd.old_store().store_id())
.await?
{
return Err(BillError::StoreIDNotFound);
return Err(BillingError::StoreIDNotFound);
}
let store = StoreBuilder::default()
@ -52,7 +52,7 @@ impl UpdateStoreUseCase for UpdateStoreService {
if cmd.name() != cmd.old_store().name() {
if self.db_store_name_exists.store_name_exists(&store).await? {
return Err(BillError::DuplicateStoreName);
return Err(BillingError::DuplicateStoreName);
}
}
@ -124,7 +124,7 @@ pub mod tests {
assert_eq!(
s.update_store(cmd.clone()).await,
Err(BillError::DuplicateStoreName)
Err(BillingError::DuplicateStoreName)
);
}
@ -140,7 +140,7 @@ pub mod tests {
assert_eq!(
s.update_store(cmd.clone()).await,
Err(BillError::StoreIDNotFound)
Err(BillingError::StoreIDNotFound)
);
}
}

63
src/billing/domain/add_bill_command.rs Normal file
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@ -0,0 +1,63 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use derive_builder::Builder;
use derive_getters::Getters;
use derive_more::{Display, Error};
use serde::{Deserialize, Serialize};
use time::OffsetDateTime;
use uuid::Uuid;
use crate::types::{currency::*, quantity::*};
use crate::utils::string::empty_string_err;
#[derive(
Clone, Debug, Serialize, Deserialize, Eq, PartialEq, Ord, PartialOrd, Getters, Builder,
)]
pub struct AddBillCommand {
adding_by: Uuid,
#[builder(default = "OffsetDateTime::now_utc()")]
created_time: OffsetDateTime,
store_id: Uuid,
}
#[cfg(test)]
mod tests {
use time::macros::datetime;
use crate::utils::uuid::tests::UUID;
use super::*;
impl AddBillCommand {
pub fn get_cmd() -> Self {
let store_id = UUID;
let adding_by = UUID;
AddBillCommandBuilder::default()
.adding_by(adding_by)
.created_time(datetime!(1970-01-01 0:00 UTC))
.store_id(store_id)
.build()
.unwrap()
}
}
#[test]
fn test_cmd() {
let store_id = UUID;
let adding_by = UUID;
let cmd = AddBillCommandBuilder::default()
.adding_by(adding_by)
.store_id(store_id)
.build()
.unwrap();
assert_eq!(*cmd.store_id(), store_id);
assert_eq!(*cmd.adding_by(), adding_by);
}
}

41
src/billing/domain/bill_added_event.rs Normal file
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@ -0,0 +1,41 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use derive_builder::Builder;
use derive_getters::Getters;
use serde::{Deserialize, Serialize};
use uuid::Uuid;
use super::bill_aggregate::Bill;
#[derive(
Clone, Debug, Builder, Serialize, Deserialize, Getters, Eq, PartialEq, Ord, PartialOrd,
)]
pub struct BillAddedEvent {
added_by_user: Uuid,
bill: Bill,
}
#[cfg(test)]
pub mod tests {
use crate::billing::domain::add_bill_command::AddBillCommand;
use super::*;
pub fn get_added_bill_event_from_command(cmd: &AddBillCommand) -> BillAddedEvent {
let bill = Bill::get_bill();
BillAddedEventBuilder::default()
.added_by_user(cmd.adding_by().clone())
.bill(bill)
.build()
.unwrap()
}
#[test]
fn test_event() {
get_added_bill_event_from_command(&AddBillCommand::get_cmd());
}
}

193
src/billing/domain/bill_aggregate.rs Normal file
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@ -0,0 +1,193 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use async_trait::async_trait;
use cqrs_es::Aggregate;
use derive_builder::Builder;
use derive_getters::Getters;
use serde::{Deserialize, Serialize};
use time::OffsetDateTime;
use uuid::Uuid;
use crate::types::currency::*;
use crate::billing::{
application::services::{errors::*, *},
domain::{commands::*, events::*},
};
#[derive(
Clone, Debug, Serialize, Deserialize, Eq, PartialEq, Ord, PartialOrd, Builder, Getters,
)]
pub struct Bill {
#[builder(default = "OffsetDateTime::now_utc()")]
created_time: OffsetDateTime,
// bills: Vec<Bill>,
bill_id: Uuid,
token_number: usize,
#[builder(default = "None")]
total_price: Option<Price>,
store_id: Uuid,
#[builder(default = "false")]
deleted: bool,
}
impl Default for Bill {
fn default() -> Self {
Self {
created_time: OffsetDateTime::now_utc(),
bill_id: Default::default(),
token_number: 1,
total_price: None,
store_id: Uuid::new_v4(),
deleted: false,
}
}
}
#[cfg(test)]
pub mod tests {
use crate::{billing::domain::add_bill_command::AddBillCommand, utils::uuid::tests::UUID};
use super::*;
impl Bill {
pub fn get_bill() -> Self {
let cmd = AddBillCommand::get_cmd();
BillBuilder::default()
.created_time(cmd.created_time().clone())
.bill_id(UUID)
.store_id(UUID)
.token_number(1)
.build()
.unwrap()
}
}
}
//
#[async_trait]
impl Aggregate for Bill {
type Command = BillingCommand;
type Event = BillingEvent;
type Error = BillingError;
type Services = std::sync::Arc<dyn BillingServicesInterface>;
// This identifier should be unique to the system.
fn aggregate_type() -> String {
"billing.bill".to_string()
}
// The aggregate logic goes here. Note that this will be the _bulk_ of a CQRS system
// so expect to use helper functions elsewhere to keep the code clean.
async fn handle(
&self,
command: Self::Command,
services: &Self::Services,
) -> Result<Vec<Self::Event>, Self::Error> {
match command {
BillingCommand::AddBill(cmd) => {
let res = services.add_bill().add_bill(cmd).await?;
Ok(vec![BillingEvent::BillAdded(res)])
}
BillingCommand::UpdateBill(cmd) => {
let res = services.update_bill().update_bill(cmd).await?;
Ok(vec![BillingEvent::BillUpdated(res)])
}
BillingCommand::DeleteBill(cmd) => {
let res = services.delete_bill().delete_bill(cmd).await?;
Ok(vec![BillingEvent::BillDeleted(res)])
}
_ => Ok(Vec::default()),
}
}
fn apply(&mut self, event: Self::Event) {
match event {
BillingEvent::BillAdded(e) => *self = e.bill().clone(),
BillingEvent::BillUpdated(e) => *self = e.new_bill().clone(),
BillingEvent::BillDeleted(e) => *self = e.bill().clone(),
_ => (),
}
}
}
#[cfg(test)]
mod aggregate_tests {
use std::sync::Arc;
use add_bill_service::tests::mock_add_bill_service;
use cqrs_es::test::TestFramework;
use delete_bill_service::tests::mock_delete_bill_service;
use update_bill_service::tests::mock_update_bill_service;
use super::*;
use crate::billing::domain::bill_deleted_event::tests::get_deleted_bill_event_from_command;
use crate::billing::domain::bill_updated_event::tests::get_updated_bill_event_from_command;
use crate::billing::domain::delete_bill_command::DeleteBillCommand;
use crate::billing::domain::update_bill_command::UpdateBillCommand;
use crate::tests::bdd::*;
use crate::billing::domain::{
add_bill_command::*, bill_added_event::tests::get_added_bill_event_from_command,
};
type BillTestFramework = TestFramework<Bill>;
#[test]
fn test_add_bill() {
let cmd = AddBillCommand::get_cmd();
let expected = get_added_bill_event_from_command(&cmd);
let expected = BillingEvent::BillAdded(expected);
let mut services = MockBillingServicesInterface::new();
services
.expect_add_bill()
.times(IS_CALLED_ONLY_ONCE.unwrap())
.return_const(mock_add_bill_service(IS_CALLED_ONLY_ONCE, cmd.clone()));
BillTestFramework::with(Arc::new(services))
.given_no_previous_events()
.when(BillingCommand::AddBill(cmd))
.then_expect_events(vec![expected]);
}
#[test]
fn test_update_bill() {
let cmd = UpdateBillCommand::get_cmd();
let expected = get_updated_bill_event_from_command(&cmd);
let expected = BillingEvent::BillUpdated(expected);
let mut services = MockBillingServicesInterface::new();
services
.expect_update_bill()
.times(IS_CALLED_ONLY_ONCE.unwrap())
.return_const(mock_update_bill_service(IS_CALLED_ONLY_ONCE, cmd.clone()));
BillTestFramework::with(Arc::new(services))
.given_no_previous_events()
.when(BillingCommand::UpdateBill(cmd))
.then_expect_events(vec![expected]);
}
#[test]
fn test_delete_bill() {
let cmd = DeleteBillCommand::get_cmd();
let expected = get_deleted_bill_event_from_command(&cmd);
let expected = BillingEvent::BillDeleted(expected);
let mut services = MockBillingServicesInterface::new();
services
.expect_delete_bill()
.times(IS_CALLED_ONLY_ONCE.unwrap())
.return_const(mock_delete_bill_service(IS_CALLED_ONLY_ONCE, cmd.clone()));
BillTestFramework::with(Arc::new(services))
.given_no_previous_events()
.when(BillingCommand::DeleteBill(cmd))
.then_expect_events(vec![expected]);
}
}

49
src/billing/domain/bill_deleted_event.rs Normal file
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@ -0,0 +1,49 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use derive_builder::Builder;
use derive_getters::Getters;
use serde::{Deserialize, Serialize};
use uuid::Uuid;
use super::bill_aggregate::*;
#[derive(
Clone, Debug, Builder, Serialize, Deserialize, Getters, Eq, PartialEq, Ord, PartialOrd,
)]
pub struct BillDeletedEvent {
added_by_user: Uuid,
bill: Bill,
}
#[cfg(test)]
pub mod tests {
use crate::billing::domain::delete_bill_command::DeleteBillCommand;
use super::*;
pub fn get_deleted_bill_event_from_command(cmd: &DeleteBillCommand) -> BillDeletedEvent {
let deleted_bill = BillBuilder::default()
.created_time(cmd.bill().created_time().clone())
.store_id(*cmd.bill().store_id())
.bill_id(*cmd.bill().bill_id())
.token_number(1)
.deleted(true)
.build()
.unwrap();
BillDeletedEventBuilder::default()
.added_by_user(cmd.adding_by().clone())
.bill(deleted_bill)
.build()
.unwrap()
}
#[test]
fn test_event() {
let event = get_deleted_bill_event_from_command(&DeleteBillCommand::get_cmd());
assert!(event.bill().deleted());
}
}

49
src/billing/domain/bill_updated_event.rs Normal file
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@ -0,0 +1,49 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use derive_builder::Builder;
use derive_getters::Getters;
use serde::{Deserialize, Serialize};
use uuid::Uuid;
use super::bill_aggregate::*;
#[derive(
Clone, Debug, Builder, Serialize, Deserialize, Getters, Eq, PartialEq, Ord, PartialOrd,
)]
pub struct BillUpdatedEvent {
added_by_user: Uuid,
new_bill: Bill,
old_bill: Bill,
}
#[cfg(test)]
pub mod tests {
use crate::billing::domain::update_bill_command::UpdateBillCommand;
use super::*;
pub fn get_updated_bill_event_from_command(cmd: &UpdateBillCommand) -> BillUpdatedEvent {
let new_bill = BillBuilder::default()
.created_time(cmd.created_time().clone())
.token_number(1)
.store_id(*cmd.store_id())
.bill_id(*cmd.old_bill().bill_id())
.build()
.unwrap();
BillUpdatedEventBuilder::default()
.added_by_user(cmd.adding_by().clone())
.old_bill(cmd.old_bill().clone())
.new_bill(new_bill)
.build()
.unwrap()
}
#[test]
fn test_event() {
get_updated_bill_event_from_command(&UpdateBillCommand::get_cmd());
}
}

25
src/billing/domain/commands.rs Normal file
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@ -0,0 +1,25 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use mockall::predicate::*;
use serde::{Deserialize, Serialize};
use super::{
add_bill_command::AddBillCommand, add_line_item_command::AddLineItemCommand,
add_store_command::AddStoreCommand, delete_bill_command::DeleteBillCommand,
delete_line_item_command::DeleteLineItemCommand, update_bill_command::UpdateBillCommand,
update_line_item_command::UpdateLineItemCommand, update_store_command::UpdateStoreCommand,
};
#[derive(Clone, Debug, Serialize, Deserialize, Eq, PartialEq, Ord, PartialOrd)]
pub enum BillingCommand {
AddLineItem(AddLineItemCommand),
UpdateLineItem(UpdateLineItemCommand),
DeleteLineItem(DeleteLineItemCommand),
AddBill(AddBillCommand),
UpdateBill(UpdateBillCommand),
DeleteBill(DeleteBillCommand),
AddStore(AddStoreCommand),
UpdateStore(UpdateStoreCommand),
}

37
src/billing/domain/delete_bill_command.rs Normal file
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@ -0,0 +1,37 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use derive_builder::Builder;
use derive_getters::Getters;
use serde::{Deserialize, Serialize};
use uuid::Uuid;
use super::bill_aggregate::Bill;
#[derive(
Clone, Debug, Serialize, Deserialize, Eq, PartialEq, Ord, PartialOrd, Builder, Getters,
)]
pub struct DeleteBillCommand {
adding_by: Uuid,
bill: Bill,
}
#[cfg(test)]
mod tests {
use crate::utils::uuid::tests::UUID;
use super::*;
impl DeleteBillCommand {
pub fn get_cmd() -> Self {
let adding_by = UUID;
DeleteBillCommandBuilder::default()
.adding_by(adding_by)
.bill(Bill::get_bill())
.build()
.unwrap()
}
}
}

46
src/billing/domain/events.rs Normal file
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@ -0,0 +1,46 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use cqrs_es::DomainEvent;
use serde::{Deserialize, Serialize};
use super::{
bill_added_event::BillAddedEvent, bill_deleted_event::BillDeletedEvent,
bill_updated_event::BillUpdatedEvent, line_item_added_event::LineItemAddedEvent,
line_item_deleted_event::LineItemDeletedEvent, line_item_updated_event::LineItemUpdatedEvent,
store_added_event::StoreAddedEvent, store_updated_event::StoreUpdatedEvent,
};
#[derive(Clone, Debug, Serialize, Deserialize, Eq, PartialEq, Ord, PartialOrd)]
pub enum BillingEvent {
LineItemAdded(LineItemAddedEvent),
LineItemUpdated(LineItemUpdatedEvent),
LineItemDeleted(LineItemDeletedEvent),
BillAdded(BillAddedEvent),
BillUpdated(BillUpdatedEvent),
BillDeleted(BillDeletedEvent),
StoreAdded(StoreAddedEvent),
StoreUpdated(StoreUpdatedEvent),
}
impl DomainEvent for BillingEvent {
fn event_version(&self) -> String {
"1.0".to_string()
}
fn event_type(&self) -> String {
let e: &str = match self {
BillingEvent::LineItemAdded { .. } => "BillingLineItemAdded",
BillingEvent::LineItemUpdated { .. } => "BillingLineItemUpdated",
BillingEvent::LineItemDeleted { .. } => "BillingLineItemDeleted",
BillingEvent::BillAdded { .. } => "BillingBilAdded",
BillingEvent::BillUpdated { .. } => "BillingBilUpdated",
BillingEvent::BillDeleted { .. } => "BillingBilDeleted",
BillingEvent::StoreAdded { .. } => "BillingStoreAdded",
BillingEvent::StoreUpdated { .. } => "BillingStoreUpdated",
};
e.to_string()
}
}

27
src/billing/domain/mod.rs
View file

@ -1,3 +1,30 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
// aggregates
pub mod bill_aggregate;
pub mod line_item_aggregate;
pub mod store_aggregate;
// commands
pub mod add_bill_command;
pub mod add_line_item_command;
pub mod add_store_command;
pub mod commands;
pub mod delete_bill_command;
pub mod delete_line_item_command;
pub mod update_bill_command;
pub mod update_line_item_command;
pub mod update_store_command;
// events;
pub mod bill_added_event;
pub mod bill_deleted_event;
pub mod bill_updated_event;
pub mod events;
pub mod line_item_added_event;
pub mod line_item_deleted_event;
pub mod line_item_updated_event;
pub mod store_added_event;
pub mod store_updated_event;

12
src/billing/domain/store_aggregate.rs
View file

@ -10,7 +10,7 @@ use serde::{Deserialize, Serialize};
use uuid::Uuid;
use crate::billing::application::services::errors::*;
use crate::billing::application::services::BillServicesInterface;
use crate::billing::application::services::*;
use super::{commands::BillingCommand, events::BillingEvent};
@ -30,8 +30,8 @@ pub struct Store {
impl Aggregate for Store {
type Command = BillingCommand;
type Event = BillingEvent;
type Error = BillError;
type Services = std::sync::Arc<dyn BillServicesInterface>;
type Error = BillingError;
type Services = std::sync::Arc<dyn BillingServicesInterface>;
// This identifier should be unique to the system.
fn aggregate_type() -> String {
@ -83,7 +83,7 @@ mod tests {
use super::*;
use crate::billing::{
application::services::{add_store_service::tests::*, *},
application::services::add_store_service::tests::*,
domain::{
add_store_command::*, commands::BillingCommand, events::BillingEvent,
store_added_event::*, store_updated_event::tests::get_store_updated_event_from_command,
@ -115,7 +115,7 @@ mod tests {
let cmd = AddStoreCommand::new(name.into(), address.clone(), owner).unwrap();
let mut services = MockBillServicesInterface::new();
let mut services = MockBillingServicesInterface::new();
services
.expect_add_store()
.times(IS_CALLED_ONLY_ONCE.unwrap())
@ -132,7 +132,7 @@ mod tests {
let cmd = get_update_store_cmd();
let expected = BillingEvent::StoreUpdated(get_store_updated_event_from_command(&cmd));
let mut services = MockBillServicesInterface::new();
let mut services = MockBillingServicesInterface::new();
services
.expect_update_store()
.times(IS_CALLED_ONLY_ONCE.unwrap())

71
src/billing/domain/update_bill_command.rs Normal file
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@ -0,0 +1,71 @@
// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later
use derive_builder::Builder;
use derive_getters::Getters;
use serde::{Deserialize, Serialize};
use time::OffsetDateTime;
use uuid::Uuid;
use super::bill_aggregate::Bill;
use crate::types::currency::*;
#[derive(
Clone, Debug, Serialize, Deserialize, Eq, PartialEq, Ord, PartialOrd, Getters, Builder,
)]
pub struct UpdateBillCommand {
adding_by: Uuid,
#[builder(default = "OffsetDateTime::now_utc()")]
created_time: OffsetDateTime,
store_id: Uuid,
token_number: usize,
total_price: Option<Price>,
old_bill: Bill,
}
#[cfg(test)]
mod tests {
use crate::{billing::domain::bill_aggregate::*, utils::uuid::tests::UUID};
use super::*;
impl UpdateBillCommand {
pub fn get_cmd() -> Self {
let store_id = UUID;
let adding_by = UUID;
UpdateBillCommandBuilder::default()
.adding_by(adding_by)
.store_id(store_id)
.total_price(None)
.token_number(1)
.old_bill(Bill::get_bill())
.build()
.unwrap()
}
}
#[test]
fn test_cmd() {
let store_id = UUID;
let adding_by = UUID;
let old_bill = Bill::get_bill();
let cmd = UpdateBillCommandBuilder::default()
.adding_by(adding_by)
.store_id(store_id)
.total_price(None)
.token_number(1)
.old_bill(old_bill.clone())
.build()
.unwrap();
assert_eq!(*cmd.store_id(), store_id);
assert_eq!(*cmd.adding_by(), adding_by);
assert_eq!(cmd.old_bill(), &old_bill);
}
}