FINERACT-1968: Advanced repayment allocation strategy - data model

- [x] m_loan_product_payment_allocation_rule table created - [x] m_loan_payment_allocation_rule table created - [x] LoanProductPaymentAllocationRule entity - [x] LoanPaymentAllocationRule entity - [x] List of enum converter to String converter to use `AllocationType` list
2023-08-11 14:58:56 +02:00
parent d6c10e8303
commit 07122fd10a
12 changed files with 542 additions and 0 deletions
@@ -0,0 +1,66 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.infrastructure.core.data;
+
+import jakarta.persistence.AttributeConverter;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.commons.lang3.StringUtils;
+
+public abstract class GenericEnumListConverter<E extends Enum<E>> implements AttributeConverter<List<E>, String> {
+
+    private static final String SPLIT_CHAR = ",";
+
+    private final Class<E> clazz;
+
+    protected boolean isUnique() {
+        return false;
+    }
+
+    protected GenericEnumListConverter(Class<E> clazz) {
+        this.clazz = clazz;
+    }
+
+    @Override
+    public String convertToDatabaseColumn(List<E> values) {
+        if (values.isEmpty()) {
+            return null;
+        }
+        Stream<E> valueStream;
+        if (isUnique()) {
+            valueStream = values.stream().distinct();
+        } else {
+            valueStream = values.stream();
+        }
+        return valueStream.map(Enum::name).collect(Collectors.joining(SPLIT_CHAR));
+    }
+
+    @Override
+    public List<E> convertToEntityAttribute(String string) {
+        if (StringUtils.isBlank(string)) {
+            return List.of();
+        }
+        Stream<E> stream = Stream.of(string.split(SPLIT_CHAR)).map(e -> Enum.valueOf(clazz, e));
+        if (isUnique()) {
+            return stream.distinct().toList();
+        }
+        return stream.toList();
+    }
+}