src/ordering/application/services/delete_kot_service.rs

@@ -0,0 +1,104 @@
+// 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 time::OffsetDateTime;
+
+use super::errors::*;
+use crate::ordering::{
+    application::port::output::db::kot_id_exists::*,
+    domain::{delete_kot_command::*, kot_aggregate::*, kot_deleted_event::*},
+};
+
+#[automock]
+#[async_trait::async_trait]
+pub trait DeleteKotUseCase: Send + Sync {
+    async fn delete_kot(&self, cmd: DeleteKotCommand) -> OrderingResult<KotDeletedEvent>;
+}
+
+pub type DeleteKotServiceObj = Arc<dyn DeleteKotUseCase>;
+
+#[derive(Clone, Builder)]
+pub struct DeleteKotService {
+    db_kot_id_exists: KotIDExistsDBPortObj,
+}
+
+#[async_trait::async_trait]
+impl DeleteKotUseCase for DeleteKotService {
+    async fn delete_kot(&self, cmd: DeleteKotCommand) -> OrderingResult<KotDeletedEvent> {
+        if !self
+            .db_kot_id_exists
+            .kot_id_exists(cmd.kot().kot_id())
+            .await?
+        {
+            return Err(OrderingError::KotIDNotFound);
+        }
+
+        Ok(KotDeletedEventBuilder::default()
+            .added_by_user(*cmd.adding_by())
+            .kot(cmd.kot().clone())
+            .build()
+            .unwrap())
+    }
+}
+
+#[cfg(test)]
+pub mod tests {
+    use super::*;
+
+    use crate::ordering::domain::kot_deleted_event::tests::get_deleted_kot_event_from_command;
+    use crate::utils::uuid::tests::UUID;
+    use crate::{tests::bdd::*, utils::uuid::tests::mock_get_uuid};
+
+    pub fn mock_delete_kot_service(
+        times: Option<usize>,
+        cmd: DeleteKotCommand,
+    ) -> DeleteKotServiceObj {
+        let mut m = MockDeleteKotUseCase::new();
+
+        let res = get_deleted_kot_event_from_command(&cmd);
+        if let Some(times) = times {
+            m.expect_delete_kot()
+                .times(times)
+                .returning(move |_| Ok(res.clone()));
+        } else {
+            m.expect_delete_kot().returning(move |_| Ok(res.clone()));
+        }
+
+        Arc::new(m)
+    }
+
+    #[actix_rt::test]
+    async fn test_service() {
+        let cmd = DeleteKotCommand::get_cmd();
+
+        let s = DeleteKotServiceBuilder::default()
+            .db_kot_id_exists(mock_kot_id_exists_db_port_true(IS_CALLED_ONLY_ONCE))
+            .build()
+            .unwrap();
+
+        let res = s.delete_kot(cmd.clone()).await.unwrap();
+        assert_eq!(res.added_by_user(), cmd.adding_by());
+        assert_eq!(res.kot(), cmd.kot());
+    }
+
+    #[actix_rt::test]
+    async fn test_service_kot_id_doesnt_exist() {
+        let cmd = DeleteKotCommand::get_cmd();
+
+        let s = DeleteKotServiceBuilder::default()
+            .db_kot_id_exists(mock_kot_id_exists_db_port_false(IS_CALLED_ONLY_ONCE))
+            .build()
+            .unwrap();
+
+        assert_eq!(
+            s.delete_kot(cmd.clone()).await,
+            Err(OrderingError::KotIDNotFound)
+        );
+    }
+}

src/ordering/application/services/mod.rs

@@ -12,6 +12,7 @@ pub mod errors;
 pub mod add_kot_service;
 pub mod add_line_item_service;
 pub mod add_order_service;
+pub mod delete_kot_service;
 pub mod delete_line_item_service;
 pub mod delete_order_service;
 pub mod update_kot_service;
@@ -28,6 +29,7 @@ pub trait OrderingServicesInterface: Send + Sync {
     fn delete_order(&self) -> delete_order_service::DeleteOrderServiceObj;
     fn add_kot(&self) -> add_kot_service::AddKotServiceObj;
     fn update_kot(&self) -> update_kot_service::UpdateKotServiceObj;
+    fn delete_kot(&self) -> delete_kot_service::DeleteKotServiceObj;
 }
 
 #[derive(Clone, Builder)]
@@ -40,6 +42,7 @@ pub struct OrderingServices {
     delete_order: delete_order_service::DeleteOrderServiceObj,
     add_kot: add_kot_service::AddKotServiceObj,
     update_kot: update_kot_service::UpdateKotServiceObj,
+    delete_kot: delete_kot_service::DeleteKotServiceObj,
 }
 
 impl OrderingServicesInterface for OrderingServices {
@@ -73,4 +76,8 @@ impl OrderingServicesInterface for OrderingServices {
     fn update_kot(&self) -> update_kot_service::UpdateKotServiceObj {
         self.update_kot.clone()
     }
+
+    fn delete_kot(&self) -> delete_kot_service::DeleteKotServiceObj {
+        self.delete_kot.clone()
+    }
 }

src/ordering/domain/commands.rs

@@ -7,9 +7,10 @@ use serde::{Deserialize, Serialize};
 
 use super::{
     add_kot_command::AddKotCommand, add_line_item_command::AddLineItemCommand,
-    add_order_command::AddOrderCommand, delete_line_item_command::DeleteLineItemCommand,
+    add_order_command::AddOrderCommand, delete_kot_command::DeleteKotCommand,
-    delete_order_command::DeleteOrderCommand, update_kot_command::UpdateKotCommand,
+    delete_line_item_command::DeleteLineItemCommand, delete_order_command::DeleteOrderCommand,
-    update_line_item_command::UpdateLineItemCommand, update_order_command::UpdateOrderCommand,
+    update_kot_command::UpdateKotCommand, update_line_item_command::UpdateLineItemCommand,
+    update_order_command::UpdateOrderCommand,
 };
 
 #[derive(Clone, Debug, Serialize, Deserialize, Eq, PartialEq, Ord, PartialOrd)]
@@ -22,4 +23,5 @@ pub enum OrderingCommand {
     DeleteOrder(DeleteOrderCommand),
     AddKot(AddKotCommand),
     UpdateKot(UpdateKotCommand),
+    DeleteKot(DeleteKotCommand),
 }

src/ordering/domain/delete_kot_command.rs

@@ -0,0 +1,55 @@
+// 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::kot_aggregate::*;
+
+#[derive(
+    Clone, Debug, Serialize, Deserialize, Eq, PartialEq, Ord, PartialOrd, Getters, Builder,
+)]
+pub struct DeleteKotCommand {
+    adding_by: Uuid,
+    kot: Kot,
+}
+
+#[cfg(test)]
+mod tests {
+    use time::macros::datetime;
+
+    use crate::utils::uuid::tests::UUID;
+
+    use super::*;
+
+    impl DeleteKotCommand {
+        pub fn get_cmd() -> Self {
+            let adding_by = UUID;
+
+            DeleteKotCommandBuilder::default()
+                .adding_by(adding_by)
+                .kot(Kot::default())
+                .build()
+                .unwrap()
+        }
+    }
+
+    #[test]
+    fn test_cmd() {
+        let adding_by = UUID;
+        let kot = Kot::default();
+
+        let cmd = DeleteKotCommandBuilder::default()
+            .adding_by(adding_by)
+            .kot(kot.clone())
+            .build()
+            .unwrap();
+
+        assert_eq!(*cmd.adding_by(), adding_by);
+        assert_eq!(cmd.kot(), &kot);
+    }
+}

src/ordering/domain/events.rs

@@ -6,10 +6,11 @@ use cqrs_es::DomainEvent;
 use serde::{Deserialize, Serialize};
 
 use super::{
-    kot_added_event::KotAddedEvent, kot_updated_event::KotUpdatedEvent,
+    kot_added_event::KotAddedEvent, kot_deleted_event::KotDeletedEvent,
-    line_item_added_event::LineItemAddedEvent, line_item_deleted_event::LineItemDeletedEvent,
+    kot_updated_event::KotUpdatedEvent, line_item_added_event::LineItemAddedEvent,
-    line_item_updated_event::LineItemUpdatedEvent, order_added_event::OrderAddedEvent,
+    line_item_deleted_event::LineItemDeletedEvent, line_item_updated_event::LineItemUpdatedEvent,
-    order_deleted_event::OrderDeletedEvent, order_updated_event::OrderUpdatedEvent,
+    order_added_event::OrderAddedEvent, order_deleted_event::OrderDeletedEvent,
+    order_updated_event::OrderUpdatedEvent,
 };
 
 #[derive(Clone, Debug, Serialize, Deserialize, Eq, PartialEq, Ord, PartialOrd)]
@@ -22,6 +23,7 @@ pub enum OrderingEvent {
     OrderDeleted(OrderDeletedEvent),
     KotAdded(KotAddedEvent),
     KotUpdated(KotUpdatedEvent),
+    KotDeleted(KotDeletedEvent),
 }
 
 impl DomainEvent for OrderingEvent {
@@ -39,6 +41,7 @@ impl DomainEvent for OrderingEvent {
             OrderingEvent::OrderDeleted { .. } => "OrderingOrderDeleted",
             OrderingEvent::KotAdded { .. } => "OrderingKotAdded",
             OrderingEvent::KotUpdated { .. } => "OrderingKotUpdated",
+            OrderingEvent::KotDeleted { .. } => "OrderingKotDeleted",
         };
 
         e.to_string()

src/ordering/domain/kot_aggregate.rs

@@ -87,10 +87,10 @@ impl Aggregate for Kot {
                 let res = services.update_kot().update_kot(cmd).await?;
                 Ok(vec![OrderingEvent::KotUpdated(res)])
             }
-            //OrderingCommand::DeleteKot(cmd) => {
+            OrderingCommand::DeleteKot(cmd) => {
-            //    let res = services.delete_kot().delete_kot(cmd).await?;
+                let res = services.delete_kot().delete_kot(cmd).await?;
-            //    Ok(vec![OrderingEvent::KotDeleted(res)])
+                Ok(vec![OrderingEvent::KotDeleted(res)])
-            //}
+            }
             _ => Ok(Vec::default()),
         }
     }
@@ -99,7 +99,7 @@ impl Aggregate for Kot {
         match event {
             OrderingEvent::KotAdded(e) => *self = e.kot().clone(),
             OrderingEvent::KotUpdated(e) => *self = e.new_kot().clone(),
-            //OrderingEvent::KotDeleted(e) => *self = e.kot().clone(),
+            OrderingEvent::KotDeleted(e) => *self = e.kot().clone(),
             _ => (),
         }
     }
@@ -111,13 +111,13 @@ mod aggregate_tests {
 
     use add_kot_service::tests::mock_add_kot_service;
     use cqrs_es::test::TestFramework;
-    //    use delete_kot_service::tests::mock_delete_kot_service;
+    use delete_kot_service::tests::mock_delete_kot_service;
     use update_kot_service::tests::mock_update_kot_service;
 
     use super::*;
 
-    //    use crate::ordering::domain::delete_kot_command::DeleteKotCommand;
+    use crate::ordering::domain::delete_kot_command::DeleteKotCommand;
-    //    use crate::ordering::domain::kot_deleted_event::tests::get_deleted_kot_event_from_command;
+    use crate::ordering::domain::kot_deleted_event::tests::get_deleted_kot_event_from_command;
     use crate::ordering::domain::kot_updated_event::tests::get_updated_kot_event_from_command;
     use crate::ordering::domain::update_kot_command::UpdateKotCommand;
     use crate::tests::bdd::*;
@@ -163,25 +163,22 @@ mod aggregate_tests {
             .when(OrderingCommand::UpdateKot(cmd))
             .then_expect_events(vec![expected]);
     }
-    //
+
-    //    #[test]
+    #[test]
-    //    fn test_delete_kot() {
+    fn test_delete_kot() {
-    //        let cmd = DeleteKotCommand::get_cmd();
+        let cmd = DeleteKotCommand::get_cmd();
-    //        let expected = get_deleted_kot_event_from_command(&cmd);
+        let expected = get_deleted_kot_event_from_command(&cmd);
-    //        let expected = OrderingEvent::KotDeleted(expected);
+        let expected = OrderingEvent::KotDeleted(expected);
-    //
+
-    //        let mut services = MockOrderingServicesInterface::new();
+        let mut services = MockOrderingServicesInterface::new();
-    //        services
+        services
-    //            .expect_delete_kot()
+            .expect_delete_kot()
-    //            .times(IS_CALLED_ONLY_ONCE.unwrap())
+            .times(IS_CALLED_ONLY_ONCE.unwrap())
-    //            .return_const(mock_delete_kot_service(
+            .return_const(mock_delete_kot_service(IS_CALLED_ONLY_ONCE, cmd.clone()));
-    //                IS_CALLED_ONLY_ONCE,
+
-    //                cmd.clone(),
+        KotTestFramework::with(Arc::new(services))
-    //            ));
+            .given_no_previous_events()
-    //
+            .when(OrderingCommand::DeleteKot(cmd))
-    //        KotTestFramework::with(Arc::new(services))
+            .then_expect_events(vec![expected]);
-    //            .given_no_previous_events()
+    }
-    //            .when(OrderingCommand::DeleteKot(cmd))
-    //            .then_expect_events(vec![expected]);
-    //    }
 }

src/ordering/domain/kot_deleted_event.rs

@@ -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::kot_aggregate::Kot;
+
+#[derive(
+    Clone, Debug, Builder, Serialize, Deserialize, Getters, Eq, PartialEq, Ord, PartialOrd,
+)]
+pub struct KotDeletedEvent {
+    added_by_user: Uuid,
+
+    kot: Kot,
+}
+
+#[cfg(test)]
+pub mod tests {
+    use crate::ordering::domain::{
+        delete_kot_command::DeleteKotCommand, kot_aggregate::KotBuilder,
+    };
+
+    use super::*;
+
+    pub fn get_deleted_kot_event_from_command(cmd: &DeleteKotCommand) -> KotDeletedEvent {
+        KotDeletedEventBuilder::default()
+            .added_by_user(cmd.adding_by().clone())
+            .kot(cmd.kot().clone())
+            .build()
+            .unwrap()
+    }
+
+    #[test]
+    fn test_event() {
+        get_deleted_kot_event_from_command(&DeleteKotCommand::get_cmd());
+    }
+}

src/ordering/domain/mod.rs

@@ -12,6 +12,7 @@ pub mod add_kot_command;
 pub mod add_line_item_command;
 pub mod add_order_command;
 pub mod commands;
+pub mod delete_kot_command;
 pub mod delete_line_item_command;
 pub mod delete_order_command;
 pub mod update_kot_command;
@@ -21,6 +22,7 @@ pub mod update_order_command;
 // events
 pub mod events;
 pub mod kot_added_event;
+pub mod kot_deleted_event;
 pub mod kot_updated_event;
 pub mod line_item_added_event;
 pub mod line_item_deleted_event;