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/modules-sdk/retrieve-entity.ts

@@ -1,20 +1,24 @@
-import { FindConfig, DAL, Context } from "@medusajs/types"
-import { MedusaError, isDefined, lowerCaseFirst } from "../common"
+import { Context, DAL, FindConfig } from "@medusajs/types"
+import {
+  MedusaError,
+  isDefined,
+  lowerCaseFirst,
+  upperCaseFirst,
+} from "../common"
 import { buildQuery } from "./build-query"
 
 type RetrieveEntityParams<TDTO> = {
-  id: string,
-  entityName: string,
+  id: string
+  identifierColumn?: string
+  entityName: string
   repository: DAL.TreeRepositoryService | DAL.RepositoryService
   config: FindConfig<TDTO>
   sharedContext?: Context
 }
 
-export async function retrieveEntity<
-  TEntity,
-  TDTO,
->({
+export async function retrieveEntity<TEntity, TDTO>({
   id,
+  identifierColumn = "id",
   entityName,
   repository,
   config = {},
@@ -23,23 +27,25 @@ export async function retrieveEntity<
   if (!isDefined(id)) {
     throw new MedusaError(
       MedusaError.Types.NOT_FOUND,
-      `"${lowerCaseFirst(entityName)}Id" must be defined`
+      `"${lowerCaseFirst(entityName)}${upperCaseFirst(
+        identifierColumn
+      )}" must be defined`
     )
   }
 
-  const queryOptions = buildQuery<TEntity>({
-    id,
-  }, config)
-
-  const entities = await repository.find(
-    queryOptions,
-    sharedContext
+  const queryOptions = buildQuery<TEntity>(
+    {
+      [identifierColumn]: id,
+    },
+    config
   )
 
+  const entities = await repository.find(queryOptions, sharedContext)
+
   if (!entities?.length) {
     throw new MedusaError(
       MedusaError.Types.NOT_FOUND,
-      `${entityName} with id: ${id} was not found`
+      `${entityName} with ${identifierColumn}: ${id} was not found`
     )
   }