chore: query graph api (#9125)

CLOSES: FRMW-2704

**What**
Re-structure the Query graph API as well as introduce dynamic typing from schemas on the filters and better handling of relation treatment for fields/filters inference

Co-authored-by: Adrien de Peretti <25098370+adrien2p@users.noreply.github.com>

packages/core/utils/src/modules-sdk/index.ts

@@ -1,6 +1,7 @@
 export * from "./build-query"
 export * from "./create-pg-connection"
 export * from "./decorators"
+export * from "./define-link"
 export * from "./definition"
 export * from "./event-builder-factory"
 export * from "./joiner-config-builder"
@@ -14,4 +15,5 @@ export * from "./medusa-service"
 export * from "./migration-scripts"
 export * from "./mikro-orm-cli-config-builder"
 export * from "./module"
-export * from "./define-link"
+export * from "./query-context"
+export * from "./query-filter"

packages/core/utils/src/modules-sdk/query-context.ts

@@ -0,0 +1,19 @@
+type QueryContextType = {
+  (query: Record<string, unknown>): Record<string, unknown>
+  isQueryContext: (obj: any) => boolean
+}
+
+const __type = "QueryContext"
+
+function QueryContextFn(query: Record<string, unknown>) {
+  return {
+    ...query,
+    __type,
+  }
+}
+
+QueryContextFn.isQueryContext = (obj: any) => {
+  return obj.__type === __type
+}
+
+export const QueryContext: QueryContextType = QueryContextFn

packages/core/utils/src/modules-sdk/query-filter.ts

@@ -0,0 +1,18 @@
+import { RemoteQueryFilters } from "@medusajs/types"
+
+const __type = "QueryFilter"
+
+export function QueryFilterFn<TEntry extends string>(
+  query: RemoteQueryFilters<TEntry>
+): RemoteQueryFilters<TEntry> & { __type: "QueryFilter" } {
+  return {
+    ...query,
+    __type,
+  }
+}
+
+QueryFilterFn.isQueryFilter = (obj: any) => {
+  return obj.__type === __type
+}
+
+export const QueryFilter = QueryFilterFn