Add user profile schema (#580)

Author: olevitt

onyxia-api/src/main/java/fr/insee/onyxia/api/controller/api/profile/ProfileController.java

@@ -0,0 +1,39 @@
+package fr.insee.onyxia.api.controller.api.profile;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import fr.insee.onyxia.api.services.JsonSchemaProfileRegistryService;
+import fr.insee.onyxia.api.services.UserProvider;
+import fr.insee.onyxia.model.User;
+import fr.insee.onyxia.model.region.Region;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.security.SecurityRequirement;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@Tag(name = "Profile", description = "Info on profile configuration feature")
+@RequestMapping("/profile")
+@RestController
+@SecurityRequirement(name = "auth")
+public class ProfileController {
+
+    private final UserProvider userProvider;
+
+    private final JsonSchemaProfileRegistryService jsonSchemaProfileRegistryService;
+
+    @Autowired
+    public ProfileController(
+            UserProvider userProvider,
+            JsonSchemaProfileRegistryService jsonSchemaProfileRegistryService) {
+        this.userProvider = userProvider;
+        this.jsonSchemaProfileRegistryService = jsonSchemaProfileRegistryService;
+    }
+
+    @GetMapping("schema")
+    public JsonNode profileSchema(@Parameter(hidden = true) Region region) {
+        User user = userProvider.getUser(region);
+        return jsonSchemaProfileRegistryService.getProfileSchema();
+    }
+}

onyxia-api/src/main/java/fr/insee/onyxia/api/services/JsonSchemaProfileRegistryService.java

@@ -0,0 +1,46 @@
+package fr.insee.onyxia.api.services;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import javax.annotation.PostConstruct;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+@Service
+public class JsonSchemaProfileRegistryService {
+
+    private static final Logger LOGGER =
+            LoggerFactory.getLogger(JsonSchemaProfileRegistryService.class);
+
+    @Value("${profile.schema.directory:/userProfile}") // External directory path
+    private String userProfileDirectory;
+
+    private JsonNode defaultProfileSchema;
+
+    private ObjectMapper objectMapper = new ObjectMapper();
+
+    public JsonSchemaProfileRegistryService() {}
+
+    public JsonNode getProfileSchema() {
+        return defaultProfileSchema;
+    }
+
+    @PostConstruct
+    private void loadProfileSchema() {
+        Path roleSchemaPath = Paths.get(userProfileDirectory);
+        if (Files.exists(roleSchemaPath) && Files.exists(roleSchemaPath.resolve("default"))) {
+            try {
+                JsonNode schema = objectMapper.readTree(roleSchemaPath.resolve("default").toFile());
+                defaultProfileSchema = schema;
+            } catch (IOException e) {
+                LOGGER.error("User profile : failed to load default profile", e);
+            }
+        }
+    }
+}