PI-870: validate overall code coverage (#59)

* add validations to request bodies

* extend tests

* adapt fh catalog client tests

* increase dao coverage

* remove validators for id fields as they are set by backend

* strip error message

* move validator to its own package, add comments

* replace email annotation with same regex that is used in frontend

* fix log

* remove default port from package.json

* add some module tests for registration API

* cleanup

* simplify registrationNumber validator

* add missing quotes

* cleanup

* reset wizard api on tests

* cleanup

backend/build.gradle.kts

@@ -36,6 +36,7 @@ dependencies {
   implementation(libs.springBootStarterWebflux)
   implementation(libs.springBootStarterDataJpa)
   implementation(libs.springBootStarterSecurity)
+  implementation(libs.springBootStarterValidation)
   implementation(libs.hibernateValidator)
   implementation(libs.openApi)
   implementation(libs.titaniumJsonLd)

backend/src/main/java/eu/possiblex/portal/application/boundary/ParticipantRegistrationRestApi.java

@@ -2,6 +2,7 @@
 
 import eu.possiblex.portal.application.entity.CreateRegistrationRequestTO;
 import eu.possiblex.portal.application.entity.RegistrationRequestEntryTO;
+import jakarta.validation.Valid;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.web.PageableDefault;
@@ -16,7 +17,7 @@ public interface ParticipantRegistrationRestApi {
      * @param request participant registration request
      */
     @PostMapping(value = "/request", produces = MediaType.APPLICATION_JSON_VALUE)
-    void registerParticipant(@RequestBody CreateRegistrationRequestTO request);
+    void registerParticipant(@Valid @RequestBody CreateRegistrationRequestTO request);
 
     /**
      * GET request for retrieving registration requests for the given pagination request.

backend/src/main/java/eu/possiblex/portal/application/configuration/BoundaryExceptionHandler.java

@@ -5,11 +5,20 @@
 import eu.possiblex.portal.business.entity.exception.RegistrationRequestConflictException;
 import eu.possiblex.portal.business.entity.exception.RegistrationRequestProcessingException;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatusCode;
 import org.springframework.http.ResponseEntity;
+import org.springframework.lang.NonNull;
+import org.springframework.validation.FieldError;
+import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.context.request.WebRequest;
 import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
 
+import java.util.HashMap;
+import java.util.Map;
+
 import static org.springframework.http.HttpStatus.*;
 
 /**
@@ -54,6 +63,28 @@ public ResponseEntity<ErrorResponseTO> handleException(ParticipantComplianceExce
             UNPROCESSABLE_ENTITY);
     }
 
+    /**
+     * Handle Spring validation exceptions.
+     */
+    @Override
+    public ResponseEntity<Object> handleMethodArgumentNotValid(@NonNull MethodArgumentNotValidException ex,
+        @NonNull HttpHeaders headers, @NonNull HttpStatusCode status, @NonNull WebRequest request) {
+
+        logError(ex);
+
+        Map<String, String> errors = new HashMap<>();
+        ex.getBindingResult().getAllErrors().forEach((error) -> {
+            String fieldName = ((FieldError) error).getField();
+            String errorMessage = error.getDefaultMessage();
+            errors.put(fieldName, errorMessage);
+        });
+        StringBuilder message = new StringBuilder();
+        errors.forEach((key, value) -> message.append(key).append(": ").append(value).append("; "));
+
+        return new ResponseEntity<>(new ErrorResponseTO("Request contained errors.", message.toString().strip()),
+            BAD_REQUEST);
+    }
+
     /**
      * Handle all other exceptions.
      */

backend/src/main/java/eu/possiblex/portal/application/control/ParticipantRegistrationRestApiMapper.java

@@ -19,8 +19,5 @@ public interface ParticipantRegistrationRestApiMapper {
     @Mapping(target = "id", ignore = true)
     PxExtendedLegalParticipantCredentialSubject credentialSubjectsToExtendedLegalParticipantCs(
         CreateRegistrationRequestTO request);
-
-    GxNestedLegalRegistrationNumberCredentialSubject registrationNumberCsToNestedLegalRegistrationNumberCs(
-        GxLegalRegistrationNumberCredentialSubject request);
 }
 

backend/src/main/java/eu/possiblex/portal/application/entity/CreateRegistrationRequestTO.java

@@ -3,6 +3,8 @@
 import eu.possiblex.portal.application.entity.credentials.gx.participants.GxLegalParticipantCredentialSubject;
 import eu.possiblex.portal.application.entity.credentials.gx.participants.GxLegalRegistrationNumberCredentialSubject;
 import eu.possiblex.portal.application.entity.credentials.px.participants.PxParticipantExtensionCredentialSubject;
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.NotNull;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -14,9 +16,15 @@
 @AllArgsConstructor
 public class CreateRegistrationRequestTO {
 
+    @Valid
+    @NotNull(message = "Participant credential subject is required")
     private GxLegalParticipantCredentialSubject participantCs;
 
+    @Valid
+    @NotNull(message = "Registration number credential subject is required")
     private GxLegalRegistrationNumberCredentialSubject registrationNumberCs;
 
+    @Valid
+    @NotNull(message = "Participant extension credential subject is required")
     private PxParticipantExtensionCredentialSubject participantExtensionCs;
 }

backend/src/main/java/eu/possiblex/portal/application/entity/credentials/PojoCredentialSubject.java

@@ -35,6 +35,7 @@
 @AllArgsConstructor
 public abstract class PojoCredentialSubject {
     // base fields
+    // no input validations as this will be set by the backend
     private String id;
 }
 

backend/src/main/java/eu/possiblex/portal/application/entity/credentials/gx/datatypes/GxVcard.java

@@ -23,7 +23,8 @@
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
 import eu.possiblex.portal.application.entity.credentials.serialization.StringDeserializer;
 import eu.possiblex.portal.application.entity.credentials.serialization.StringSerializer;
-import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Pattern;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
@@ -38,13 +39,15 @@ public class GxVcard {
     @JsonProperty("gx:countryCode")
     @JsonSerialize(using = StringSerializer.class)
     @JsonDeserialize(using = StringDeserializer.class)
-    @NotNull
+    @NotBlank(message = "Country code is needed")
+    @Pattern(regexp = "^([A-Z]{2}|[A-Z]{3}|\\d{3})$", message = "An ISO 3166-1 alpha2, alpha-3 or numeric format value is expected.")
     private String countryCode;
 
     @JsonProperty("gx:countrySubdivisionCode")
     @JsonSerialize(using = StringSerializer.class)
     @JsonDeserialize(using = StringDeserializer.class)
-    @NotNull
+    @NotBlank(message = "Country subdivision code is needed")
+    @Pattern(regexp = "^[A-Z]{2}-[A-Z0-9]{1,3}$", message = "An ISO 3166-2 format value is expected.")
     private String countrySubdivisionCode;
 
     @JsonProperty("vcard:street-address")

backend/src/main/java/eu/possiblex/portal/application/entity/credentials/gx/datatypes/NodeKindIRITypeId.java

@@ -33,7 +33,7 @@
 @NoArgsConstructor
 public class NodeKindIRITypeId {
 
-    @NotNull
+    // no input validations as this will be set by the backend
     @JsonAlias("@id")
     private String id;
 

backend/src/main/java/eu/possiblex/portal/application/entity/credentials/gx/participants/GxLegalParticipantCredentialSubject.java

@@ -27,6 +27,8 @@
 import eu.possiblex.portal.application.entity.credentials.gx.datatypes.NodeKindIRITypeId;
 import eu.possiblex.portal.application.entity.credentials.serialization.StringDeserializer;
 import eu.possiblex.portal.application.entity.credentials.serialization.StringSerializer;
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.NotNull;
 import lombok.*;
 
@@ -58,22 +60,25 @@ public class GxLegalParticipantCredentialSubject extends PojoCredentialSubject {
         "https://schema.org/");
 
     // Tagus
-    @NotNull
+    // no input validations as this will be set by the backend
     @JsonProperty("gx:legalRegistrationNumber")
     @JsonFormat(with = JsonFormat.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY)
     private List<NodeKindIRITypeId> legalRegistrationNumber; // will be gx:registrationNumber in Loire
 
     // Loire
-    @NotNull
+    @Valid
+    @NotNull(message = "Legal address is needed")
     @JsonProperty("gx:legalAddress")
     private GxVcard legalAddress; // contains Tagus gx:countrySubdivisionCode
 
     // Loire
-    @NotNull
+    @Valid
+    @NotNull(message = "Headquarter address is needed")
     @JsonProperty("gx:headquarterAddress")
     private GxVcard headquarterAddress; // contains Tagus gx:countrySubdivisionCode
 
     // Loire
+    @NotBlank(message = "Name is needed")
     @JsonProperty("schema:name")
     @JsonSerialize(using = StringSerializer.class)
     @JsonDeserialize(using = StringDeserializer.class)

backend/src/main/java/eu/possiblex/portal/application/entity/credentials/gx/participants/GxLegalRegistrationNumberCredentialSubject.java

@@ -24,6 +24,7 @@
 import eu.possiblex.portal.application.entity.credentials.PojoCredentialSubject;
 import eu.possiblex.portal.application.entity.credentials.serialization.StringDeserializer;
 import eu.possiblex.portal.application.entity.credentials.serialization.StringSerializer;
+import eu.possiblex.portal.application.entity.credentials.validation.AtLeastOneRegistrationNumberNotEmpty;
 import lombok.*;
 
 import java.util.Map;
@@ -35,6 +36,7 @@
 @JsonIgnoreProperties(ignoreUnknown = true, value = { "type", "@context" }, allowGetters = true)
 @NoArgsConstructor
 @AllArgsConstructor
+@AtLeastOneRegistrationNumberNotEmpty(message = "At least one registration number type must be provided")
 public class GxLegalRegistrationNumberCredentialSubject extends PojoCredentialSubject {
 
     @Getter(AccessLevel.NONE)

backend/src/main/java/eu/possiblex/portal/application/entity/credentials/px/participants/PxParticipantExtensionCredentialSubject.java

@@ -8,6 +8,8 @@
 import eu.possiblex.portal.application.entity.credentials.PojoCredentialSubject;
 import eu.possiblex.portal.application.entity.credentials.serialization.StringDeserializer;
 import eu.possiblex.portal.application.entity.credentials.serialization.StringSerializer;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Pattern;
 import lombok.*;
 
 import java.util.Map;
@@ -33,9 +35,11 @@ public class PxParticipantExtensionCredentialSubject extends PojoCredentialSubje
     public static final Map<String, String> CONTEXT = Map.of(TYPE_NAMESPACE, "http://w3id.org/gaia-x/possible-x#",
         "vcard", "http://www.w3.org/2006/vcard/ns#", "xsd", "http://www.w3.org/2001/XMLSchema#");
 
+    @NotBlank(message = "Mail address is needed")
     @JsonProperty("px:mailAddress")
     @JsonSerialize(using = StringSerializer.class)
     @JsonDeserialize(using = StringDeserializer.class)
+    @Pattern(regexp = "^((?!\\.)[\\w\\-_.]*[^.])(@\\w+)(\\.\\w+(\\.\\w+)?[^.\\W])$", message = "Mail address must be a valid email address")
     private String mailAddress;
 
     @JsonProperty("type")