added review comments

api/swagger.yaml

@@ -652,13 +652,13 @@ components:
     gender:
       name: gender
       in: query
-      description: preferred gender of the dancers
+      description: required preferred gender of the dancers
       schema:
         type: string
     range:
       name: range
       in: query
-      description: Range [km] in which the search for dancers should be done
+      description: Range [km] in which the search for dancers should be done, defaults to 20 km
       schema:
         type: string
   schemas:

src/main/java/net/dancier/dancer/dancers/DancerController.java

@@ -30,10 +30,10 @@ public class DancerController {
     public ResponseEntity<List<PublicProfileDto>> get(
             @CurrentUser AuthenticatedUser authenticatedUser,
             @RequestParam Gender gender,
-            @RequestParam int range
+            @RequestParam(defaultValue = "20") int range
             ) {
         log.info("Fetching list of dancers in {} km range with gender {} for user {}", range, gender, authenticatedUser.getUserId());
-        return ResponseEntity.ok(dancerService.getDancersList(authenticatedUser, gender, range));
+        return ResponseEntity.ok(dancerService.getDancerList(authenticatedUser, gender, range));
     }
 
     @PostMapping("")

src/main/java/net/dancier/dancer/dancers/DancerService.java

@@ -40,11 +40,15 @@ public HashMap<UUID, DancerDto> getDancerMap(DancerIdsDto dancerIdsDto) {
         return dancers;
     }
 
-    public List<PublicProfileDto> getDancersList(AuthenticatedUser authenticatedUser, Gender gender, int range) {
+    public List<PublicProfileDto> getDancerList(AuthenticatedUser authenticatedUser, Gender gender, int range) {
 
         Dancer dancer = loadByUserId(authenticatedUser.getUserId());
-        Double longitudeRange = (double)range/112;
-        Double latitudeRange = range/75.78;
+
+        // 1° in longitude in Germany (latitude 47) are 75,78 km
+        double longitudeRange = range/75.78;
+        // 1° in longitude are 112,12 km
+        double latitudeRange = range/112.12;
+
         double upperLatitude = dancer.getLatitude() + latitudeRange;
         double lowerLatitude = dancer.getLatitude() - latitudeRange;
         double upperLongitude = dancer.getLongitude() + longitudeRange;

src/test/java/net/dancier/dancer/dancers/DancerControllerTest.java

@@ -4,22 +4,18 @@
 import org.junit.jupiter.api.Test;
 import org.springframework.security.test.context.support.WithUserDetails;
 import org.springframework.test.context.jdbc.Sql;
-import org.springframework.test.web.servlet.ResultActions;
-
 import java.util.List;
-
-import static net.dancier.dancer.core.model.Gender.FEMALE;
 import static org.hamcrest.Matchers.hasSize;
 import static org.hamcrest.Matchers.isA;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
+@Sql(value = {"/dancers/data.sql"})
 public class DancerControllerTest extends AbstractPostgreSQLEnabledTest {
 
     @Test
     @WithUserDetails("[email protected]")
-    @Sql(value = {"/dancers/data.sql"})
     void getDancersShouldReturnFilteredProfiles() throws Exception {
 
         mockMvc
@@ -40,4 +36,34 @@ void getDancersShouldReturnFilteredProfiles() throws Exception {
                 .andExpect(jsonPath("$[0].country").value("GER"));
 
     }
+
+    @Test
+    @WithUserDetails("[email protected]")
+    void getDancersUsingDefaultRange() throws Exception {
+
+        mockMvc
+                .perform(get("/dancers")
+                        .param("gender", "FEMALE")
+                )
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.*", isA(List.class)))
+                .andExpect(jsonPath("$.*", hasSize(1)))
+                .andExpect(jsonPath("$[0].id").value("503ffad4-148b-4af1-8365-62315ff89b9f"))
+                .andExpect(jsonPath("$[0].gender").value("FEMALE"))
+                .andExpect(jsonPath("$[0].dancerName").value("perfect_dancer"))
+                .andExpect(jsonPath("$[0].aboutMe").value("Hi"))
+                .andExpect(jsonPath("$[0].age").isNotEmpty())
+                .andExpect(jsonPath("$[0].size").value("178"))
+                .andExpect(jsonPath("$[0].city").value("Dortmund"))
+                .andExpect(jsonPath("$[0].country").value("GER"));
+
+    }
+
+    @Test
+    @WithUserDetails("[email protected]")
+    void shouldFailIfGenderIsNotSet() throws Exception {
+        mockMvc .perform(get("/dancers")
+                .param("range", "20")
+        ).andExpect(status().isBadRequest());
+    }
 }