feat: add Master Admin application functionality

src/app/features/global-masters/currencies/data-access/currency.service.ts

@@ -0,0 +1,46 @@
+import { HttpClient, HttpParams } from '@angular/common/http';
+import { Injectable, inject } from '@angular/core';
+import { Observable } from 'rxjs';
+
+import { DataTableQuery, DataTableResult } from '../../../../shared/components/data-table/data-table.types';
+import {
+    CreateCurrencyRequest,
+    CurrencyDto,
+    CurrencyLookupDto,
+    UpdateCurrencyRequest
+} from '../models/currency.model';
+import { CURRENCY_ENDPOINTS } from './currency.endpoints';
+
+@Injectable({
+    providedIn: 'root'
+})
+export class CurrencyService {
+    private readonly http = inject(HttpClient);
+
+    getCurrencyDataTable(query: DataTableQuery): Observable<DataTableResult<CurrencyDto>> {
+        return this.http.post<DataTableResult<CurrencyDto>>(CURRENCY_ENDPOINTS.dataTable, query);
+    }
+
+    createCurrency(request: CreateCurrencyRequest): Observable<CurrencyDto> {
+        return this.http.post<CurrencyDto>(CURRENCY_ENDPOINTS.create, request);
+    }
+
+    updateCurrency(id: string, request: UpdateCurrencyRequest): Observable<CurrencyDto> {
+        return this.http.put<CurrencyDto>(CURRENCY_ENDPOINTS.update(id), request);
+    }
+
+    getCurrencyById(id: string): Observable<CurrencyDto> {
+        return this.http.get<CurrencyDto>(CURRENCY_ENDPOINTS.getById(id));
+    }
+
+    autocomplete(term: string | null, limit = 10): Observable<readonly CurrencyLookupDto[]> {
+        let params = new HttpParams().set('limit', limit);
+        const normalizedTerm = term?.trim();
+
+        if (normalizedTerm) {
+            params = params.set('term', normalizedTerm);
+        }
+
+        return this.http.get<readonly CurrencyLookupDto[]>(CURRENCY_ENDPOINTS.autocomplete, { params });
+    }
+}