[WIP] Supervision controller and service to be used by supervision tools

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

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+package org.gridsuite.study.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.study.server.dto.CreatedStudyBasicInfos;
+import org.gridsuite.study.server.dto.supervision.SupervisionStudyInfos;
+import org.gridsuite.study.server.service.StudyService;
+import org.gridsuite.study.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;
+
+import java.util.List;
+
+@RestController
+@RequestMapping(value = "/" + StudyApi.API_VERSION + "/supervision")
+@Tag(name = "Study server - Supervision")
+public class SupervisionController {
+    private final SupervisionService supervisionService;
+
+    public SupervisionController(SupervisionService supervisionService) {
+        this.supervisionService = supervisionService;
+    }
+
+    @GetMapping(value = "/studies")
+    @Operation(summary = "Get all studies")
+    @ApiResponses(value = {@ApiResponse(responseCode = "200", description = "The list of studies")})
+    public ResponseEntity<List<SupervisionStudyInfos>> getStudyList() {
+        return ResponseEntity.ok().contentType(MediaType.APPLICATION_JSON).body(supervisionService.getStudies());
+    }
+}

src/main/java/org/gridsuite/study/server/dto/supervision/SupervisionStudyInfos.java

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+package org.gridsuite.study.server.dto.supervision;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+import lombok.experimental.SuperBuilder;
+import org.gridsuite.study.server.dto.StudyInfos;
+
+import java.util.UUID;
+
+@SuperBuilder
+@NoArgsConstructor
+@Getter
+@ToString(callSuper = true)
+@Schema(description = "Supervision Study attributes")
+public class SupervisionStudyInfos extends StudyInfos {
+    private UUID networkUuid;
+}

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

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+package org.gridsuite.study.server.service;
+
+import org.gridsuite.study.server.dto.CreatedStudyBasicInfos;
+import org.gridsuite.study.server.dto.supervision.SupervisionStudyInfos;
+import org.gridsuite.study.server.repository.StudyEntity;
+import org.gridsuite.study.server.repository.StudyRepository;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+public class SupervisionService {
+    private final StudyRepository studyRepository;
+
+    public SupervisionService (StudyRepository studyRepository) {
+        this.studyRepository = studyRepository;
+    }
+
+    public List<SupervisionStudyInfos> getStudies() {
+        return studyRepository.findAll().stream()
+            .map(SupervisionService::toSupervisionStudyInfos)
+            .collect(Collectors.toList());
+    }
+
+    private static SupervisionStudyInfos toSupervisionStudyInfos(StudyEntity entity) {
+        return SupervisionStudyInfos.builder()
+            .id(entity.getId())
+            .caseFormat(entity.getCaseFormat())
+            .networkUuid(entity.getNetworkUuid())
+            .build();
+    }
+
+}