feat: add Master Admin application functionality

src/app/features/global-masters/countries/data-access/country.service.ts

@@ -0,0 +1,44 @@
+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 {
+  CountryDto,
+  CountryLookupDto,
+  CreateCountryRequest,
+  UpdateCountryRequest,
+} from '../models/country.model';
+import { COUNTRY_ENDPOINTS } from './country.endpoints';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class CountryService {
+  private readonly http = inject(HttpClient);
+
+  getCountryDataTable(query: DataTableQuery): Observable<DataTableResult<CountryDto>> {
+    return this.http.post<DataTableResult<CountryDto>>(COUNTRY_ENDPOINTS.dataTable, query);
+  }
+
+  createCountry(request: CreateCountryRequest): Observable<CountryDto> {
+    return this.http.post<CountryDto>(COUNTRY_ENDPOINTS.create, request);
+  }
+
+  updateCountry(id: string, request: UpdateCountryRequest): Observable<CountryDto> {
+    return this.http.put<CountryDto>(COUNTRY_ENDPOINTS.update(id), request);
+  }
+
+  getCountryById(id: string): Observable<CountryDto> {
+    return this.http.get<CountryDto>(COUNTRY_ENDPOINTS.getById(id));
+  }
+
+  autocomplete(term = '', limit = 50): Observable<CountryLookupDto[]> {
+    return this.http.get<CountryLookupDto[]>(COUNTRY_ENDPOINTS.autocomplete, {
+      params: new HttpParams().set('term', term).set('limit', limit),
+    });
+  }
+}