feat: Refactor the product module definitions and implementation (#6866)

There are several things done in this PR, namely:

Unify the service endpoints API to always work with a model rather than allowing to pass both ID and model (eg. both type_id and type being available in the request to create).
Start using upsertWithReplace to simplify the code and fix some deassociation bugs
Apply some changes to tests to deal with the pricing breaking changes
Correctly define the model relationships (with both ID and entity fields available)
All tests for the product are passing, which should bring us back to a great baseline.

integration-tests/helpers/product-seeder.js

@@ -12,6 +12,7 @@ const {
   MoneyAmount,
   ProductVariantMoneyAmount,
 } = require("@medusajs/medusa")
+const { breaking } = require("./breaking")
 
 module.exports = async (dataSource, data = {}) => {
   const manager = dataSource.manager
@@ -141,17 +142,22 @@ module.exports = async (dataSource, data = {}) => {
 
   await manager.save(variant1)
 
-  const ma = await manager.insert(MoneyAmount, {
-    id: "test-price",
-    currency_code: "usd",
-    amount: 100,
-  })
+  await breaking(
+    async () => {
+      const ma = await manager.insert(MoneyAmount, {
+        id: "test-price",
+        currency_code: "usd",
+        amount: 100,
+      })
 
-  await manager.insert(ProductVariantMoneyAmount, {
-    id: "pvma0",
-    money_amount_id: "test-price",
-    variant_id: "test-variant",
-  })
+      await manager.insert(ProductVariantMoneyAmount, {
+        id: "pvma0",
+        money_amount_id: "test-price",
+        variant_id: "test-variant",
+      })
+    },
+    () => {}
+  )
 
   const sale = manager.create(ProductVariant, {
     id: "test-variant-sale",
@@ -174,17 +180,22 @@ module.exports = async (dataSource, data = {}) => {
 
   await manager.save(sale)
 
-  const ma_sale = await manager.insert(MoneyAmount, {
-    id: "test-price-sale",
-    currency_code: "usd",
-    amount: 1000,
-  })
+  await breaking(
+    async () => {
+      const ma_sale = await manager.insert(MoneyAmount, {
+        id: "test-price-sale",
+        currency_code: "usd",
+        amount: 1000,
+      })
 
-  await manager.insert(ProductVariantMoneyAmount, {
-    id: "pvma1",
-    money_amount_id: "test-price-sale",
-    variant_id: "test-variant-sale",
-  })
+      await manager.insert(ProductVariantMoneyAmount, {
+        id: "pvma1",
+        money_amount_id: "test-price-sale",
+        variant_id: "test-variant-sale",
+      })
+    },
+    () => {}
+  )
 
   const variant2 = manager.create(ProductVariant, {
     id: "test-variant_1",
@@ -207,17 +218,22 @@ module.exports = async (dataSource, data = {}) => {
 
   await manager.save(variant2)
 
-  const ma_1 = await manager.insert(MoneyAmount, {
-    id: "test-price_1",
-    currency_code: "usd",
-    amount: 1000,
-  })
+  await breaking(
+    async () => {
+      const ma_1 = await manager.insert(MoneyAmount, {
+        id: "test-price_1",
+        currency_code: "usd",
+        amount: 1000,
+      })
 
-  await manager.insert(ProductVariantMoneyAmount, {
-    id: "pvma2",
-    money_amount_id: "test-price_1",
-    variant_id: "test-variant_1",
-  })
+      await manager.insert(ProductVariantMoneyAmount, {
+        id: "pvma2",
+        money_amount_id: "test-price_1",
+        variant_id: "test-variant_1",
+      })
+    },
+    () => {}
+  )
 
   const variant3 = manager.create(ProductVariant, {
     id: "test-variant_2",
@@ -239,17 +255,22 @@ module.exports = async (dataSource, data = {}) => {
 
   await manager.save(variant3)
 
-  const ma_2 = await manager.insert(MoneyAmount, {
-    id: "test-price_2",
-    currency_code: "usd",
-    amount: 100,
-  })
+  await breaking(
+    async () => {
+      const ma_2 = await manager.insert(MoneyAmount, {
+        id: "test-price_2",
+        currency_code: "usd",
+        amount: 100,
+      })
 
-  await manager.insert(ProductVariantMoneyAmount, {
-    id: "pvma3",
-    money_amount_id: "test-price_2",
-    variant_id: "test-variant_2",
-  })
+      await manager.insert(ProductVariantMoneyAmount, {
+        id: "pvma3",
+        money_amount_id: "test-price_2",
+        variant_id: "test-variant_2",
+      })
+    },
+    () => {}
+  )
 
   const p1 = manager.create(Product, {
     id: "test-product1",
@@ -288,18 +309,23 @@ module.exports = async (dataSource, data = {}) => {
 
   await manager.save(variant4)
 
-  const ma_3 = await manager.insert(MoneyAmount, {
-    id: "test-price_3",
-    currency_code: "usd",
-    amount: 100,
-    region_id: "test-region",
-  })
+  await breaking(
+    async () => {
+      const ma_3 = await manager.insert(MoneyAmount, {
+        id: "test-price_3",
+        currency_code: "usd",
+        amount: 100,
+        region_id: "test-region",
+      })
 
-  await manager.insert(ProductVariantMoneyAmount, {
-    id: "pvma4",
-    money_amount_id: "test-price_3",
-    variant_id: "test-variant_3",
-  })
+      await manager.insert(ProductVariantMoneyAmount, {
+        id: "pvma4",
+        money_amount_id: "test-price_3",
+        variant_id: "test-variant_3",
+      })
+    },
+    () => {}
+  )
 
   const variant5 = manager.create(ProductVariant, {
     id: "test-variant_4",
@@ -321,17 +347,22 @@ module.exports = async (dataSource, data = {}) => {
 
   await manager.save(variant5)
 
-  const ma_4 = await manager.insert(MoneyAmount, {
-    id: "test-price_4",
-    currency_code: "usd",
-    amount: 100,
-  })
+  await breaking(
+    async () => {
+      const ma_4 = await manager.insert(MoneyAmount, {
+        id: "test-price_4",
+        currency_code: "usd",
+        amount: 100,
+      })
 
-  await manager.insert(ProductVariantMoneyAmount, {
-    id: "pvma5",
-    money_amount_id: "test-price_4",
-    variant_id: "test-variant_4",
-  })
+      await manager.insert(ProductVariantMoneyAmount, {
+        id: "pvma5",
+        money_amount_id: "test-price_4",
+        variant_id: "test-variant_4",
+      })
+    },
+    () => {}
+  )
 
   const product1 = manager.create(Product, {
     id: "test-product_filtering_1",