Add facade countryGetAll

ssa-api/src/main/java/cz/muni/fi/pa165/facade/CountryFacade.java

@@ -2,8 +2,10 @@ package cz.muni.fi.pa165.facade;
 
 import cz.muni.fi.pa165.dto.CountryDetailDto;
 import cz.muni.fi.pa165.dto.CountryNameDto;
+import org.springframework.data.domain.Page;
 
 public interface CountryFacade {
     CountryNameDto getCountryName(Long missionId);
     CountryDetailDto getCountryDetail(Long missionId);
+    Page<CountryNameDto> getAllCountries(int page, int pageSize);
 }

ssa-service/src/main/java/cz/muni/fi/pa165/facade/CountryFacadeImpl.java

@@ -5,8 +5,12 @@ import cz.muni.fi.pa165.config.CountryNameMapper;
 import cz.muni.fi.pa165.dto.CountryDetailDto;
 import cz.muni.fi.pa165.dto.CountryNameDto;
 import cz.muni.fi.pa165.entity.Country;
+import cz.muni.fi.pa165.service.CountryService;
 import cz.muni.fi.pa165.service.MissionService;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 
 /**
@@ -15,13 +19,15 @@ import org.springframework.stereotype.Service;
 @Service
 public class CountryFacadeImpl implements CountryFacade {
     private final MissionService missionService;
+    private final CountryService countryService;
 
     private final CountryNameMapper countryNameMapper;
     private final CountryDetailMapper countryDetailMapper;
 
     @Autowired
-    public CountryFacadeImpl(MissionService missionService, CountryNameMapper countryNameMapper, CountryDetailMapper countryDetailMapper) {
+    public CountryFacadeImpl(MissionService missionService, CountryService countryService, CountryNameMapper countryNameMapper, CountryDetailMapper countryDetailMapper) {
         this.missionService = missionService;
+        this.countryService = countryService;
         this.countryNameMapper = countryNameMapper;
         this.countryDetailMapper = countryDetailMapper;
     }
@@ -39,4 +45,12 @@ public class CountryFacadeImpl implements CountryFacade {
 
         return countryDetailMapper.map(country);
     }
+
+    @Override
+    public Page<CountryNameDto> getAllCountries(int page, int pageSize) {
+        Pageable pageable = PageRequest.of(page, pageSize);
+
+        Page<Country> countries = countryService.findAll(pageable);
+        return countries.map(countryNameMapper::map);
+    }
 }