pagination feature:

search with pagination,sort order and sort direction

Author: PouyaPouryaie

src/main/java/ir/bigz/springbootreal/controller/SampleController.java

@@ -3,6 +3,7 @@
 import ir.bigz.springbootreal.service.UserService;
 import ir.bigz.springbootreal.viewmodel.UserModel;
 import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Sort;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
@@ -60,19 +61,22 @@ public ResponseEntity<?> getAllUser() {
     }
 
     @GetMapping(path = "/user/search", produces = MediaType.APPLICATION_JSON_VALUE)
-    public ResponseEntity<?> getPage(@RequestParam(name = "pagenumber") Integer pageNumber,
-                                     @RequestParam(name = "pagesize") Integer pageSize,
-                                     @RequestParam(name = "sortorder") String sortOrder) {
-        Page<UserModel> userPageResult = userService.getUserSearchResult(pageNumber, pageSize, sortOrder);
+    public ResponseEntity<?> getUserWithSearch(@RequestParam(name = "searchfield") String searchField,
+                                               @RequestParam(name = "sortorder") String sortOrder,
+                                               @RequestParam(name = "direction") String direction,
+                                               @RequestParam(name = "pagenumber") Integer pageNumber,
+                                               @RequestParam(name = "pagesize") Integer pageSize) {
+        Page<UserModel> userPageResult = userService.getUserSearchResult(searchField, sortOrder, Sort.Direction.fromString(direction), pageNumber, pageSize);
         return ResponseEntity.ok(userPageResult);
     }
 
 
-    @GetMapping(path = "/user/all", produces = MediaType.APPLICATION_JSON_VALUE)
-    public ResponseEntity<?> getAllUserPage(@RequestParam(name = "pagenumber") Integer pageNumber,
-                                     @RequestParam(name = "pagesize") Integer pageSize,
-                                     @RequestParam(name = "sortorder") String sortOrder) {
-        Page<UserModel> userPageResult = userService.getAllUserPagebale(pageNumber, pageSize, sortOrder);
+    @GetMapping(path = "/user/all/pagerquest", produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<?> getAllUserPage(@RequestParam(name = "sortorder", required = false) String sortOrder,
+                                            @RequestParam(name = "direction") String sortDirection,
+                                            @RequestParam(name = "pagenumber") Integer pageNumber,
+                                            @RequestParam(name = "pagesize") Integer pageSize) {
+        Page<UserModel> userPageResult = userService.getAllUserPage(sortOrder, Sort.Direction.fromString(sortDirection), pageNumber, pageSize);
         return ResponseEntity.ok(userPageResult);
     }
 

src/main/java/ir/bigz/springbootreal/service/UserService.java

@@ -3,6 +3,7 @@
 import ir.bigz.springbootreal.dao.User;
 import ir.bigz.springbootreal.viewmodel.UserModel;
 import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Sort;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
@@ -20,7 +21,7 @@ public interface UserService {
 
     List<UserModel> getAll();
 
-    Page<UserModel> getUserSearchResult(Integer pageNumber, Integer pageSize, String sortOrder);
+    Page<UserModel> getUserSearchResult(String searchField, String sortOrder, Sort.Direction direction, Integer pageNumber, Integer pageSize);
 
-    Page<UserModel> getAllUserPagebale(Integer pageNumber, Integer pageSize, String sortOrder);
+    Page<UserModel> getAllUserPage(String sortOrder, Sort.Direction sortDirection, Integer pageNumber, Integer pageSize);
 }

src/main/java/ir/bigz/springbootreal/service/UserServiceImpl.java

@@ -117,7 +117,7 @@ public List<UserModel> getAll() {
 
     @Override
     @Transactional(propagation = Propagation.REQUIRED, isolation = Isolation.DEFAULT)
-    public Page<UserModel> getUserSearchResult(Integer pageNumber, Integer pageSize, String sortOrder) {
+    public Page<UserModel> getUserSearchResult(String searchField, String sortOrder, Sort.Direction direction, Integer pageNumber, Integer pageSize) {
         try {
             Pageable pageable = PageRequest.of(pageNumber, pageSize);
             String query = "select u from User u order by u.id " + sortOrder;
@@ -136,8 +136,8 @@ public Page<UserModel> getUserSearchResult(Integer pageNumber, Integer pageSize,
 
     @Override
     @Transactional(propagation = Propagation.REQUIRED, isolation = Isolation.DEFAULT)
-    public Page<UserModel> getAllUserPagebale(Integer pageNumber, Integer pageSize, String sortOrder){
-        Sort.Order order = new Sort.Order(Sort.Direction.ASC, sortOrder);
+    public Page<UserModel> getAllUserPage(String sortOrder, Sort.Direction sortDirection, Integer pageNumber, Integer pageSize){
+        Sort.Order order = new Sort.Order(sortDirection, sortOrder);
         Pageable pageable = PageRequest.of(pageNumber, pageSize, Sort.by(order));
         Page<User> all = userRepository.getAll(pageable);
         List<UserModel> collect = all.get().map(userMapper::userToUserModel).collect(Collectors.toList());