Fix relationship between Cake and lineitems, add Cake schema creation test

tests/bakery_chain/bakery_chain_erd.drawio

@@ -1 +1 @@
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tests/bakery_chain/cake.rs

@@ -16,8 +16,6 @@ pub struct Model {
     pub price: f32,
     pub bakery_id: Option<i32>,
     pub lineitem_id: Option<i32>,
-    pub best_before: String,
-    pub produced_at: String,
     pub gluten_free: bool,
 }
 
@@ -28,8 +26,6 @@ pub enum Column {
     Price,
     BakeryId,
     LineitemId,
-    BestBefore,
-    ProducedAt,
     GlutenFree,
 }
 
@@ -60,8 +56,6 @@ impl ColumnTrait for Column {
             Self::Price => ColumnType::Money(Some((19, 4))).def(),
             Self::BakeryId => ColumnType::Integer.def(),
             Self::LineitemId => ColumnType::Integer.def(),
-            Self::BestBefore => ColumnType::Date.def(),
-            Self::ProducedAt => ColumnType::Timestamp.def(),
             Self::GlutenFree => ColumnType::Boolean.def(),
         }
     }
@@ -74,10 +68,7 @@ impl RelationTrait for Relation {
                 .from(Column::BakeryId)
                 .to(super::bakery::Column::Id)
                 .into(),
-            Self::Lineitem => Entity::belongs_to(super::lineitem::Entity)
+            Self::Lineitem => Entity::has_many(super::lineitem::Entity).into(),
-                .from(Column::LineitemId)
-                .to(super::lineitem::Column::Id)
-                .into(),
         }
     }
 }

tests/bakery_chain_tests.rs

@@ -20,6 +20,7 @@ async fn setup_schema(db: &DbConn) {
     assert!(schema::create_customer_table(db).await.is_ok());
     assert!(schema::create_order_table(db).await.is_ok());
     assert!(schema::create_lineitem_table(db).await.is_ok());
+    assert!(schema::create_cake_table(db).await.is_ok());
     assert!(schema::create_cakes_bakers_table(db).await.is_ok());
 }
 

tests/crud/mod.rs

@@ -8,7 +8,7 @@ pub async fn create_bakery(db: &DbConn) -> Result<(), ExecErr> {
         profit_margin: Set(10.4),
         ..Default::default()
     };
-    let res: InsertResult = Bakery::insert(seaside_bakery).exec(db).await?;
+    let _res: InsertResult = Bakery::insert(seaside_bakery).exec(db).await?;
 
     Ok(())
 }

tests/schema/mod.rs

@@ -168,3 +168,36 @@ pub async fn create_cakes_bakers_table(db: &DbConn) -> Result<ExecResult, ExecEr
 
   create_table(db, &stmt).await
 }
+
+pub async fn create_cake_table(db: &DbConn) -> Result<ExecResult, ExecErr> {
+  let stmt = sea_query::Table::create()
+    .table(cake::Entity)
+    .if_not_exists()
+    .col(
+      ColumnDef::new(cake::Column::Id)
+        .integer()
+        .not_null()
+        .auto_increment()
+        .primary_key(),
+    )
+    .col(ColumnDef::new(cake::Column::Name).string())
+    .col(ColumnDef::new(cake::Column::Price).float())
+    .col(ColumnDef::new(cake::Column::BakeryId).integer().not_null())
+    .col(
+      ColumnDef::new(cake::Column::LineitemId)
+        .integer()
+        .not_null(),
+    )
+    .foreign_key(
+      ForeignKey::create()
+        .name("FK_cake_bakery")
+        .from(cake::Entity, cake::Column::BakeryId)
+        .to(bakery::Entity, bakery::Column::Id)
+        .on_delete(ForeignKeyAction::Cascade)
+        .on_update(ForeignKeyAction::Cascade),
+    )
+    .col(ColumnDef::new(cake::Column::GlutenFree).boolean())
+    .to_owned();
+
+  create_table(db, &stmt).await
+}