Decouple runtime domain services

src/domain/services/project-device-sync.service.ts

@@ -1,5 +1,3 @@
-import { CircuitDeviceRowRepository } from "../../db/repositories/circuit-device-row.repository.js";
-import { ProjectDeviceRepository } from "../../db/repositories/project-device.repository.js";
 import {
   createProjectDeviceRowSyncProjectCommand,
   projectDeviceSyncRowSnapshotFields,
@@ -20,15 +18,44 @@ export {
   serializeOverriddenFields,
 } from "./project-device-overrides.js";
 
-type ProjectDevice = NonNullable<Awaited<ReturnType<ProjectDeviceRepository["findById"]>>>;
-type LinkedRow = Awaited<ReturnType<CircuitDeviceRowRepository["listLinkedByProjectDevice"]>>[number];
+export type ProjectDeviceSyncSource = {
+  id: string;
+} & Pick<ProjectDeviceSyncRowSnapshot, ProjectDeviceSyncField>;
 
-type SyncDependencies = {
-  projectDeviceRepository: Pick<ProjectDeviceRepository, "findById">;
-  deviceRowRepository: Pick<CircuitDeviceRowRepository, "listLinkedByProjectDevice">;
+export type LinkedProjectDeviceRow = ProjectDeviceSyncRowSnapshot & {
+  id: string;
+  circuitId: string;
+  equipmentIdentifier: string;
+  circuitDisplayName: string | null;
+  circuitListId: string;
+  circuitListName: string;
+  distributionBoardId: string;
+  distributionBoardName: string;
 };
 
-function sourceValue(projectDevice: ProjectDevice, field: ProjectDeviceSyncField) {
+export interface ProjectDeviceSyncSourceReader {
+  findById(
+    projectId: string,
+    projectDeviceId: string
+  ): Promise<ProjectDeviceSyncSource | null>;
+}
+
+export interface LinkedProjectDeviceRowReader {
+  listLinkedByProjectDevice(
+    projectId: string,
+    projectDeviceId: string
+  ): Promise<LinkedProjectDeviceRow[]>;
+}
+
+export interface ProjectDeviceSyncDependencies {
+  projectDeviceRepository: ProjectDeviceSyncSourceReader;
+  deviceRowRepository: LinkedProjectDeviceRowReader;
+}
+
+function sourceValue(
+  projectDevice: ProjectDeviceSyncSource,
+  field: ProjectDeviceSyncField
+) {
   return projectDevice[field];
 }
 
@@ -36,7 +63,10 @@ function valuesEqual(left: unknown, right: unknown) {
   return (left ?? null) === (right ?? null);
 }
 
-function buildDifferences(projectDevice: ProjectDevice, row: LinkedRow) {
+function buildDifferences(
+  projectDevice: ProjectDeviceSyncSource,
+  row: LinkedProjectDeviceRow
+) {
   return projectDeviceSyncFields
     .filter((field) => !valuesEqual(row[field], sourceValue(projectDevice, field)))
     .map((field) => ({
@@ -48,12 +78,12 @@ function buildDifferences(projectDevice: ProjectDevice, row: LinkedRow) {
 }
 
 export class ProjectDeviceSyncService {
-  private readonly projectDeviceRepository: SyncDependencies["projectDeviceRepository"];
-  private readonly deviceRowRepository: SyncDependencies["deviceRowRepository"];
+  private readonly projectDeviceRepository: ProjectDeviceSyncSourceReader;
+  private readonly deviceRowRepository: LinkedProjectDeviceRowReader;
 
-  constructor(deps?: Partial<SyncDependencies>) {
-    this.projectDeviceRepository = deps?.projectDeviceRepository ?? new ProjectDeviceRepository();
-    this.deviceRowRepository = deps?.deviceRowRepository ?? new CircuitDeviceRowRepository();
+  constructor(deps: ProjectDeviceSyncDependencies) {
+    this.projectDeviceRepository = deps.projectDeviceRepository;
+    this.deviceRowRepository = deps.deviceRowRepository;
   }
 
   async getPreview(projectId: string, projectDeviceId: string) {
@@ -154,10 +184,15 @@ export class ProjectDeviceSyncService {
     );
   }
 
-  private resolveSelectedRows(linkedRows: LinkedRow[], rowIds: string[]) {
+  private resolveSelectedRows(
+    linkedRows: LinkedProjectDeviceRow[],
+    rowIds: string[]
+  ) {
     const uniqueRowIds = [...new Set(rowIds)];
     const byId = new Map(linkedRows.map((row) => [row.id, row]));
-    const selectedRows = uniqueRowIds.map((rowId) => byId.get(rowId)).filter(Boolean) as LinkedRow[];
+    const selectedRows = uniqueRowIds
+      .map((rowId) => byId.get(rowId))
+      .filter(Boolean) as LinkedProjectDeviceRow[];
     if (selectedRows.length !== uniqueRowIds.length) {
       throw new Error("One or more rows are not linked to this project device.");
     }
@@ -166,7 +201,9 @@ export class ProjectDeviceSyncService {
 
 }
 
-function toSyncSnapshot(row: LinkedRow): ProjectDeviceSyncRowSnapshot {
+function toSyncSnapshot(
+  row: LinkedProjectDeviceRow
+): ProjectDeviceSyncRowSnapshot {
   return {
     linkedProjectDeviceId: row.linkedProjectDeviceId,
     name: row.name,