S28-3980 What's this UUID

README.md

@@ -28,6 +28,8 @@
   * [Running the Crons](#running-the-crons)
 * [Troubleshooting](#troubleshooting)
   * [Common Issues](#common-issues)
+* [Monitoring and Logging](#monitoring-and-logging)
+  * [Application Insights](#application-insights)
 * [License](#license)
 
 ## Introduction

pre-api-stg.yaml

@@ -2250,6 +2250,35 @@ paths:
       summary: Accept terms and conditions for a user
       tags:
         - terms-and-conditions-controller
+  '/admin/{id}':
+    get:
+      description: >-
+        Checks if a UUID exists in any of the tables: User, Recording,
+        CaptureSession, Booking, Case, Court.
+      operationId: checkUuid
+      parameters:
+        - format: uuid
+          in: path
+          name: id
+          required: true
+          type: string
+        - description: The User Id of the User making the request
+          format: uuid
+          in: header
+          name: X-User-Id
+          required: false
+          type: string
+          x-example: 123e4567-e89b-12d3-a456-426614174000
+      produces:
+        - application/octet-stream
+      responses:
+        '200':
+          description: OK
+          schema:
+            type: string
+      summary: Check if a UUID exists in the system
+      tags:
+        - admin-controller
   /app-terms-and-conditions/latest:
     get:
       operationId: getLatestTermsForApp

src/functionalTest/java/uk/gov/hmcts/reform/preapi/controllers/AdminControllerFT.java

@@ -0,0 +1,77 @@
+package uk.gov.hmcts.reform.preapi.controllers;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import uk.gov.hmcts.reform.preapi.controllers.params.TestingSupportRoles;
+import uk.gov.hmcts.reform.preapi.dto.CreateUserDTO;
+import uk.gov.hmcts.reform.preapi.util.FunctionalTestBase;
+
+import java.util.Set;
+import java.util.UUID;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class AdminControllerFT extends FunctionalTestBase {
+
+    protected static final String ADMIN_ENDPOINT = "/admin";
+
+    @DisplayName("Should get back table type UUID belongs to")
+    @Test
+    void checkUuidExists() throws JsonProcessingException {
+        UUID randomUuid = UUID.randomUUID();
+        var user = createUserDto(randomUuid);
+        putUser(user);
+
+        var response =
+            doGetRequest(ADMIN_ENDPOINT + "/" + user.getId(), TestingSupportRoles.SUPER_USER);
+
+        assertThat(response.body().prettyPrint())
+            .isEqualTo("Uuid relates to a USER");
+        assertResponseCode(response, 200);
+    }
+
+    @DisplayName("Should return bad request when UUID not present in relevant tables")
+    @Test
+    void checkRequestFails() throws JsonProcessingException {
+
+        UUID randomUuid = UUID.randomUUID();
+
+        var response =
+            doGetRequest(ADMIN_ENDPOINT + "/" + randomUuid, TestingSupportRoles.SUPER_USER);
+
+        assertThat(response.body().jsonPath().getString("message"))
+            .isEqualTo("Not found: " + randomUuid + " does not exist in any relevant table");
+        assertResponseCode(response, 404);
+    }
+
+    @DisplayName("Should return not authorised due to role")
+    @Test
+    void checkIfUserAuthorised() throws JsonProcessingException {
+        UUID randomUuid = UUID.randomUUID();
+        var user = createUserDto(randomUuid);
+        putUser(user);
+
+        var response =
+            doGetRequest(ADMIN_ENDPOINT + "/" + user.getId(), TestingSupportRoles.LEVEL_1);
+
+        assertThat(response.body().jsonPath().getString("error"))
+            .isEqualTo("Forbidden");
+        assertResponseCode(response, 403);
+    }
+
+    private CreateUserDTO createUserDto(UUID uuid) {
+        var dto = new CreateUserDTO();
+        dto.setId(uuid);
+        dto.setEmail("[email protected]");
+        dto.setFirstName("Example");
+        dto.setLastName("User");
+        dto.setPortalAccess(Set.of());
+        dto.setAppAccess(Set.of());
+        dto.setOrganisation("Example Organisation");
+        dto.setPhoneNumber("1234567890");
+        return dto;
+    }
+
+}
+

src/integrationTest/java/uk/gov/hmcts/reform/preapi/services/admin/AdminServiceIT.java

@@ -0,0 +1,105 @@
+package uk.gov.hmcts.reform.preapi.services.admin;
+
+import jakarta.persistence.EntityManager;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.transaction.annotation.Transactional;
+import uk.gov.hmcts.reform.preapi.entities.Booking;
+import uk.gov.hmcts.reform.preapi.entities.CaptureSession;
+import uk.gov.hmcts.reform.preapi.entities.Case;
+import uk.gov.hmcts.reform.preapi.entities.Court;
+import uk.gov.hmcts.reform.preapi.entities.Recording;
+import uk.gov.hmcts.reform.preapi.entities.Role;
+import uk.gov.hmcts.reform.preapi.entities.User;
+import uk.gov.hmcts.reform.preapi.enums.CourtType;
+import uk.gov.hmcts.reform.preapi.enums.RecordingOrigin;
+import uk.gov.hmcts.reform.preapi.exception.NotFoundException;
+import uk.gov.hmcts.reform.preapi.repositories.admin.AdminRepository;
+import uk.gov.hmcts.reform.preapi.util.HelperFactory;
+import uk.gov.hmcts.reform.preapi.utils.IntegrationTestBase;
+
+import java.sql.Timestamp;
+import java.util.UUID;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+
+public class AdminServiceIT extends IntegrationTestBase {
+
+    @Autowired
+    AdminService adminService;
+
+    @Autowired
+    AdminRepository adminRepository;
+
+    @Autowired
+    protected EntityManager entityManager;
+
+    @Test
+    @Transactional
+    public void shouldCheckUuidExists() {
+        Timestamp now = new Timestamp(System.currentTimeMillis());
+        //Put a user in the database to test UUID against
+        User user = HelperFactory.createUser("Example", "One", "[email protected]", null, null, null);
+        entityManager.persist(user);
+        Court court = HelperFactory.createCourt(CourtType.CROWN, "Test Court", "Test123");
+        entityManager.persist(court);
+        Case case1 = HelperFactory.createCase(court, "null", true, now);
+        entityManager.persist(case1);
+        Booking booking = HelperFactory.createBooking(case1, now, now);
+        entityManager.persist(booking);
+        CaptureSession captureSession = HelperFactory.createCaptureSession(
+            booking, RecordingOrigin.PRE,
+            null, null, null, null, null,
+            null, null, null
+        );
+        entityManager.persist(captureSession);
+        Recording recording = HelperFactory.createRecording(captureSession, null, 1, "filename", null);
+        entityManager.persist(recording);
+
+        entityManager.flush();
+        UUID userGeneratedId = user.getId();
+        UUID bookingGeneratedId = booking.getId();
+        UUID caseGeneratedId = case1.getId();
+        UUID courtGeneratedId = court.getId();
+        UUID captureSessionGeneratedId = captureSession.getId();
+        UUID recordingGeneratedId = recording.getId();
+
+        assertThat(adminService.findUuidType(userGeneratedId)).isEqualTo(AdminService.UuidTableType.USER);
+        assertThat(adminService.findUuidType(bookingGeneratedId)).isEqualTo(AdminService.UuidTableType.BOOKING);
+        assertThat(adminService.findUuidType(caseGeneratedId)).isEqualTo(AdminService.UuidTableType.CASE);
+        assertThat(adminService.findUuidType(courtGeneratedId)).isEqualTo(AdminService.UuidTableType.COURT);
+        assertThat(adminService.findUuidType(captureSessionGeneratedId))
+            .isEqualTo(AdminService.UuidTableType.CAPTURE_SESSION);
+        assertThat(adminService.findUuidType(recordingGeneratedId)).isEqualTo(AdminService.UuidTableType.RECORDING);
+
+    }
+
+    @Test
+    @Transactional
+    public void shouldThrowExceptionWhenUuidNotFound() {
+
+        UUID randomUuid = UUID.randomUUID();
+
+        assertThatThrownBy(() -> adminService.findUuidType(randomUuid))
+            .isInstanceOf(NotFoundException.class);
+
+    }
+
+    @Test
+    @Transactional
+    public void shouldThrowExceptionWhenUuidIsNotInRelevantTable() {
+
+        Role role = HelperFactory.createRole("role");
+        entityManager.persist(role);
+
+        entityManager.flush();
+
+        UUID roleGeneratedId = role.getId();
+
+        assertThatThrownBy(() -> adminService.findUuidType(roleGeneratedId))
+            .isInstanceOf(NotFoundException.class);
+
+    }
+
+}

src/main/java/uk/gov/hmcts/reform/preapi/controllers/admin/AdminController.java

@@ -0,0 +1,44 @@
+package uk.gov.hmcts.reform.preapi.controllers.admin;
+
+import io.swagger.v3.oas.annotations.Operation;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.web.bind.annotation.GetMapping;
+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.preapi.services.admin.AdminService;
+
+import java.util.UUID;
+
+/**
+ * Helper endpoints intended for developers to use in troubleshooting/investigating
+ * incidents.
+ * Your user will need to have the role ROLE_SUPER_USER to access these endpoints.
+ */
+@RestController
+@RequestMapping("/admin")
+@PreAuthorize("hasRole('ROLE_SUPER_USER')")
+public class AdminController {
+
+    private final AdminService adminService;
+
+    @Autowired
+    public AdminController(AdminService adminService) {
+        this.adminService = adminService;
+    }
+
+    /**
+     * Endpoint for getting back what type of item a UUID relates to
+     * @param id UUID to search for
+     * @return returns a string
+     */
+    @GetMapping("/{id}")
+    @Operation(operationId = "checkUuid", summary = "Check if a UUID exists in the system",
+        description = "Checks if a UUID exists in any of the tables: User, Recording, CaptureSession, "
+            + "Booking, Case, Court.")
+    public ResponseEntity<String> checkUuidExists(@PathVariable UUID id) {
+        return ResponseEntity.ok("Uuid relates to a " + adminService.findUuidType(id));
+    }
+}

src/main/java/uk/gov/hmcts/reform/preapi/repositories/admin/AdminRepository.java

@@ -0,0 +1,51 @@
+package uk.gov.hmcts.reform.preapi.repositories.admin;
+
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Repository;
+
+import java.util.Optional;
+import java.util.UUID;
+
+@Repository
+public class AdminRepository {
+
+    private final JdbcTemplate jdbcTemplate;
+
+    public AdminRepository(JdbcTemplate jdbcTemplate) {
+        this.jdbcTemplate = jdbcTemplate;
+    }
+
+    /**
+     * Searches tables to find what the given UUID is an ID for.
+     * Takes the given UUID id and passes it to JDBC Template to replace the placeholders ('?') in the query.
+     * The query uses SQL union all to select items across multiple tables (User, Recording, CaptureSession, Booking,
+     * Case, Court) that could contain the UUID. If found in that table, it returns a string
+     * e.g. if found in the users table, it will return "user". It will return the first match it finds.
+     * @param id the UUID to check for
+     * @return if found, an Optional containing the type of item the UUID relates to, otherwise empty Optional
+     */
+    public Optional<String> findUuidType(UUID id) {
+        String query = """
+            (SELECT 'user' AS table_name FROM users WHERE id = ?
+             UNION ALL
+             SELECT 'recording' FROM recordings WHERE id = ?
+             UNION ALL
+             SELECT 'capture_session' FROM capture_sessions WHERE id = ?
+             UNION ALL
+             SELECT 'booking' FROM bookings WHERE id = ?
+             UNION ALL
+             SELECT 'case' FROM cases WHERE id = ?
+             UNION ALL
+             SELECT 'court' FROM courts WHERE id = ?)
+             LIMIT 1
+            """;
+
+        try {
+            String type = jdbcTemplate.queryForObject(query, String.class, id, id, id, id, id, id);
+            return Optional.ofNullable(type);
+        } catch (org.springframework.dao.EmptyResultDataAccessException e) {
+            return Optional.empty();
+        }
+    }
+
+}

src/main/java/uk/gov/hmcts/reform/preapi/services/admin/AdminService.java

@@ -0,0 +1,50 @@
+package uk.gov.hmcts.reform.preapi.services.admin;
+
+import lombok.Getter;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import uk.gov.hmcts.reform.preapi.exception.NotFoundException;
+import uk.gov.hmcts.reform.preapi.repositories.admin.AdminRepository;
+
+import java.util.Objects;
+import java.util.UUID;
+
+@Service
+public class AdminService {
+
+    private final AdminRepository adminRepository;
+
+    @Autowired
+    public AdminService(AdminRepository adminRepository) {
+        this.adminRepository = adminRepository;
+    }
+
+    /**
+     * Checks if a UUID exists in relevant tables.
+     * Uses the AdminRepository to search the database for the UUID. The String returned from the repository
+     * is then converted to an enum value.
+     * @param id the UUID to check the tables for
+     * @return a string indicating the type of table related to the UUID
+     * @throws NotFoundException if the UUID does not exist in the tables being checked
+     */
+    public UuidTableType findUuidType(UUID id) {
+
+        String tableName = adminRepository.findUuidType(Objects.requireNonNull(id, "UUID should not be null"))
+            .orElseThrow(() -> new NotFoundException(id + " does not exist in any relevant table"));
+
+        return UuidTableType.valueOf(tableName.toUpperCase());
+    }
+
+    /**
+     * Enum representing the tables the UUID could belong to. Restricts to relevant tables only.
+     */
+    @Getter
+    public enum UuidTableType {
+        USER,
+        RECORDING,
+        CAPTURE_SESSION,
+        BOOKING,
+        CASE,
+        COURT
+    }
+}