Add supervision controller to get results count

src/main/java/org/gridsuite/sensitivityanalysis/server/SupervisionController.java

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+/**
+ * Copyright (c) 2023, RTE (http://www.rte-france.com)
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+package org.gridsuite.sensitivityanalysis.server;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.gridsuite.sensitivityanalysis.server.service.SupervisionService;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author Hugo Marcellin <hugo.marcelin at rte-france.com>
+ */
+@RestController
+@RequestMapping(value = "/" + SensitivityAnalysisApi.API_VERSION + "/supervision")
+@Tag(name = "Security analysis server - Supervision")
+public class SupervisionController {
+    private final SupervisionService supervisionService;
+
+    public SupervisionController(SupervisionService supervisionService) {
+        this.supervisionService = supervisionService;
+    }
+
+    @GetMapping(value = "/results-count")
+    @Operation(summary = "Get results count")
+    @ApiResponses(value = {@ApiResponse(responseCode = "200", description = "The count of all results")})
+    public ResponseEntity<Integer> getResultsCount() {
+        return ResponseEntity.ok().contentType(MediaType.APPLICATION_JSON).body(supervisionService.getResultsCount());
+    }
+}

src/main/java/org/gridsuite/sensitivityanalysis/server/service/SupervisionService.java

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+/**
+ * Copyright (c) 2023, RTE (http://www.rte-france.com)
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+package org.gridsuite.sensitivityanalysis.server.service;
+
+import org.gridsuite.sensitivityanalysis.server.repositories.GlobalStatusRepository;
+import org.springframework.stereotype.Service;
+
+/**
+ * @author Hugo Marcellin <hugo.marcelin at rte-france.com>
+ */
+@Service
+public class SupervisionService {
+    private final GlobalStatusRepository globalStatusRepository;
+
+    public SupervisionService(GlobalStatusRepository globalStatusRepository) {
+        this.globalStatusRepository = globalStatusRepository;
+    }
+
+    public Integer getResultsCount() {
+        return (int) globalStatusRepository.count();
+    }
+}

src/test/java/org/gridsuite/sensitivityanalysis/server/SupervisionControllerTest.java

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+/**
+ * Copyright (c) 2023, RTE (http://www.rte-france.com)
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+package org.gridsuite.sensitivityanalysis.server;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.MediaType;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.MvcResult;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author Hugo Marcellin <hugo.marcelin at rte-france.com>
+ */
+@RunWith(SpringRunner.class)
+@AutoConfigureMockMvc
+@SpringBootTest
+public class SupervisionControllerTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Test
+    public void testResultCount() throws Exception {
+        //get the result timeline uuid of the calculation
+        MvcResult mvcResult = mockMvc.perform(get("/v1/supervision/results-count"))
+            .andExpect(status().isOk())
+            .andExpect(content().contentType(MediaType.APPLICATION_JSON))
+            .andReturn();
+
+        String resultCount = mvcResult.getResponse().getContentAsString();
+        assertEquals(resultCount, "0");
+
+    }
+}