feat(pricing, types, utils, medusa-sdk): Pricing Module Setup + Currency (#4860)

What:

- Setups the skeleton for pricing module
- Creates service/model/repository for currency model
- Setups types
- Setups DB
- Moved some utils to a common place

RESOLVES CORE-1477
RESOLVES CORE-1476

packages/utils/src/dal/index.ts

@@ -1,6 +1,7 @@
+export * from "./mikro-orm/mikro-orm-create-connection"
 export * from "./mikro-orm/mikro-orm-repository"
+export * from "./mikro-orm/mikro-orm-soft-deletable-filter"
+export * from "./mikro-orm/utils"
+export * from "./repositories"
 export * from "./repository"
 export * from "./utils"
-export * from "./mikro-orm/utils"
-export * from "./mikro-orm/mikro-orm-create-connection"
-export * from "./mikro-orm/mikro-orm-soft-deletable-filter"

packages/utils/src/dal/repositories/index.ts

@@ -0,0 +1 @@
+export * from "./load-custom-repositories"

packages/utils/src/dal/repositories/load-custom-repositories.ts

@@ -0,0 +1,35 @@
+import { Constructor, DAL } from "@medusajs/types"
+import { asClass } from "awilix"
+import { lowerCaseFirst } from "../../common"
+
+/**
+ * Load the repositories from the custom repositories object. If a repository is not
+ * present in the custom repositories object, the default repository will be used.
+ *
+ * @param customRepositories
+ * @param container
+ */
+export function loadCustomRepositories({
+  defaultRepositories,
+  customRepositories,
+  container,
+}) {
+  const customRepositoriesMap = new Map(Object.entries(customRepositories))
+
+  Object.entries(defaultRepositories).forEach(([key, defaultRepository]) => {
+    let finalRepository = customRepositoriesMap.get(key)
+
+    if (
+      !finalRepository ||
+      !(finalRepository as Constructor<DAL.RepositoryService>).prototype.find
+    ) {
+      finalRepository = defaultRepository
+    }
+
+    container.register({
+      [lowerCaseFirst(key)]: asClass(
+        finalRepository as Constructor<DAL.RepositoryService>
+      ).singleton(),
+    })
+  })
+}