FINERACT-2178: Ability to retrieve a loan's balance at a certain point in time in the past

fineract-core/src/main/java/org/apache/fineract/infrastructure/core/data/DataValidatorBuilder.java

@@ -30,6 +30,7 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import net.fortuna.ical4j.model.property.RRule;
 import net.fortuna.ical4j.validate.ValidationException;
+import org.apache.commons.collections4.CollectionUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.fineract.infrastructure.core.exception.PlatformApiDataValidationException;
 import org.apache.fineract.infrastructure.core.service.DateUtils;
@@ -616,6 +617,21 @@ public class DataValidatorBuilder {
         return this;
     }
 
+    public DataValidatorBuilder listNotEmpty() {
+        if (this.value == null && this.ignoreNullValue) {
+            return this;
+        }
+
+        final List<Object> list = (List<Object>) this.value;
+        if (CollectionUtils.isEmpty(list)) {
+            String validationErrorCode = "validation.msg." + this.resource + "." + this.parameter + ".cannot.be.empty";
+            String defaultEnglishMessage = "The parameter `" + this.parameter + "` cannot be empty. You must select at least one.";
+            final ApiParameterError error = ApiParameterError.parameterError(validationErrorCode, defaultEnglishMessage, this.parameter);
+            this.dataValidationErrors.add(error);
+        }
+        return this;
+    }
+
     public DataValidatorBuilder jsonArrayNotEmpty() {
         if (this.value == null && this.ignoreNullValue) {
             return this;

fineract-core/src/main/java/org/apache/fineract/infrastructure/core/service/ExternalIdFactory.java

@@ -18,6 +18,8 @@
  */
 package org.apache.fineract.infrastructure.core.service;
 
+import java.util.List;
+import java.util.Objects;
 import lombok.RequiredArgsConstructor;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.fineract.infrastructure.configuration.domain.ConfigurationDomainService;
@@ -35,6 +37,11 @@ public class ExternalIdFactory {
         return StringUtils.isBlank(value) ? ExternalId.empty() : new ExternalId(value);
     }
 
+    public static List<ExternalId> produce(List<String> values) {
+        Objects.requireNonNull(values, "values must not be null");
+        return values.stream().map(ExternalIdFactory::produce).toList();
+    }
+
     public ExternalId createFromCommand(JsonCommand command, final String externalIdKey) {
         String externalIdStr = null;
         if (command.parsedJson() != null) {

fineract-core/src/main/java/org/apache/fineract/organisation/monetary/data/CurrencyData.java

@@ -21,6 +21,8 @@ package org.apache.fineract.organisation.monetary.data;
 import java.io.Serializable;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
+import org.apache.fineract.infrastructure.core.config.MapstructMapperConfig;
+import org.apache.fineract.organisation.monetary.domain.MonetaryCurrency;
 
 /**
  * Immutable data object representing currency.
@@ -87,4 +89,12 @@ public class CurrencyData implements Serializable {
 
         return builder.toString();
     }
+
+    @org.mapstruct.Mapper(config = MapstructMapperConfig.class)
+    public interface Mapper {
+
+        default CurrencyData map(MonetaryCurrency source) {
+            return source.toData();
+        }
+    }
 }