Feat/implement controller layer (#5)

* Implement HearingController with initial TDD and isolate WebMvc tests

* Add not found test

* Remove redundant findAll declaration from repository
# Conflicts:
#	src/main/java/uk/gov/hmcts/reform/dataViewstoreRestApi/controllers/HearingController.java

Author: codesungrape

src/integrationTest/java/uk/gov/hmcts/reform/dataViewstoreRestApi/controllers/HearingControllerTest.java

@@ -0,0 +1,62 @@
+package uk.gov.hmcts.reform.dataViewstoreRestApi.controllers;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
+import org.springframework.test.web.servlet.MockMvc;
+import uk.gov.hmcts.reform.dataViewstoreRestApi.dto.HearingResponse;
+import uk.gov.hmcts.reform.dataViewstoreRestApi.service.HearingService;
+
+import java.time.OffsetDateTime;
+import java.util.List;
+import java.util.UUID;
+
+import static org.mockito.Mockito.when;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
+@WebMvcTest(HearingController.class)
+class HearingControllerTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @MockitoBean
+    private HearingService service;
+
+
+    @Test
+    void shouldReturnOkAndAllHearingDtos() throws Exception {
+
+        UUID id1 = UUID.randomUUID();
+        UUID id2 = UUID.randomUUID();
+        OffsetDateTime lastModified1 = OffsetDateTime.parse("2024-01-01T10:00:00Z");
+        OffsetDateTime lastModified2 = OffsetDateTime.parse("2024-06-01T10:00:00Z");
+
+        List<HearingResponse> mockDtos = List.of(
+            new HearingResponse(id1, lastModified1),
+            new HearingResponse(id2, lastModified2)
+        );
+
+        when(service.getAllHearings()).thenReturn(mockDtos);
+
+        mockMvc.perform(get("/hearings"))
+            .andExpect(status().isOk())
+            .andExpect(jsonPath("$[0].id").value(id1.toString()))
+            .andExpect(jsonPath("$[0].lastModified").exists())
+            .andExpect(jsonPath("$[0].hearingTypeId").doesNotExist());
+
+    }
+
+    @Test
+    void shouldReturnOkAndEmptyListWhenNoHearingsExist() throws Exception {
+        when(service.getAllHearings()).thenReturn(List.of());
+
+        mockMvc.perform(get("/hearings"))
+            .andExpect(status().isOk())
+            .andExpect(content().contentType("application/json"))
+            .andExpect(jsonPath("$").isArray())
+            .andExpect(jsonPath("$").isEmpty());
+    }
+}

src/main/java/uk/gov/hmcts/reform/dataViewstoreRestApi/controllers/HearingController.java

@@ -8,9 +8,11 @@
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
+import uk.gov.hmcts.reform.dataViewstoreRestApi.dto.HearingResponse;
 import uk.gov.hmcts.reform.dataViewstoreRestApi.dto.HearingDetailedResponse;
 import uk.gov.hmcts.reform.dataViewstoreRestApi.service.HearingService;
 
+import java.util.List;
 import java.util.UUID;
 
 @RestController
@@ -24,6 +26,11 @@ public HearingController(HearingService hearingService) {
         this.hearingService = hearingService;
     }
 
+    @GetMapping("/hearings")
+    public ResponseEntity<List<HearingResponse>> getHearings() {
+        return ResponseEntity.ok(hearingService.getAllHearings());
+    }
+
     @GetMapping("/{id}")
     @Operation(
         summary = "Get a hearing by ID",

src/main/java/uk/gov/hmcts/reform/dataViewstoreRestApi/repository/HearingRepository.java

@@ -10,8 +10,6 @@
 public interface HearingRepository extends JpaRepository<Hearing, UUID> {
 
 
-    List<Hearing> findAll();
-
 
 }