Update external query api with new query params

[sdc.git] / catalog-be / src / main / java / org / openecomp / sdc / be / externalapi / servlet / representation / VersionFilterEnum.java

diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/externalapi/servlet/representation/VersionFilterEnum.java b/catalog-be/src/main/java/org/openecomp/sdc/be/externalapi/servlet/representation/VersionFilterEnum.java
new file mode 100644 (file)
index 0000000..6519f32
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/externalapi/servlet/representation/VersionFilterEnum.java
@@ -0,0 +1,111 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2023 Nordix Foundation
+ *  ================================================================================
+ *  Licensed 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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ *
+ *
+ */
+
+package org.openecomp.sdc.be.externalapi.servlet.representation;
+
+import java.util.Comparator;
+import java.util.List;
+import java.util.Optional;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.openecomp.sdc.be.model.Service;
+
+@Getter
+@AllArgsConstructor
+public enum VersionFilterEnum {
+
+    EQUALS("equals") {
+        @Override
+        public List<Service> filter(final List<Service> serviceList, final String version) {
+            final Matcher matcher = Pattern.compile("(" + this.getName() + ")" + DELIMITER + "(" + VERSION_REGEX + ")").matcher(version);
+            if (matcher.find()) {
+                return serviceList.parallelStream()
+                    .filter(service -> convertToInteger(service.getVersion()).compareTo(convertToInteger(matcher.group(2))) == 0)
+                    .collect(Collectors.toList());
+            }
+            return serviceList;
+        }
+    },
+    GREATER_THAN("greaterThan") {
+        @Override
+        public List<Service> filter(final List<Service> serviceList, final String version) {
+            final Matcher matcher = Pattern.compile("(" + this.getName() + ")" + DELIMITER + "(" + VERSION_REGEX + ")").matcher(version);
+            if (matcher.find()) {
+                return serviceList.parallelStream()
+                    .filter(service -> convertToInteger(service.getVersion()).compareTo(convertToInteger(matcher.group(2))) > 0)
+                    .collect(Collectors.toList());
+            }
+            return serviceList;
+        }
+    },
+    LESS_THAN("lessThan") {
+        @Override
+        public List<Service> filter(final List<Service> serviceList, final String version) {
+            final Matcher matcher = Pattern.compile("(" + this.getName() + ")" + DELIMITER + "(" + VERSION_REGEX + ")").matcher(version);
+            if (matcher.find()) {
+                return serviceList.parallelStream()
+                    .filter(service -> convertToInteger(service.getVersion()).compareTo(convertToInteger(matcher.group(2))) < 0)
+                    .collect(Collectors.toList());
+            }
+            return serviceList;
+        }
+    },
+    HIGHEST_MATCHING_VERSION_ONLY("highestMatchingVersionOnly") {
+        @Override
+        public List<Service> filter(final List<Service> serviceList, final String version) {
+            final Matcher matcher = Pattern.compile("(" + this.getName() + ")" + DELIMITER + "([Tt][Rr][Uu][Ee])").matcher(version);
+            if (matcher.find()) {
+                return serviceList.parallelStream()
+                    .collect(Collectors.groupingBy(Service::getName,
+                        Collectors.maxBy(Comparator.comparingInt(service -> convertToInteger(service.getVersion())))))
+                    .values().parallelStream().map(Optional::get).collect(Collectors.toList());
+            }
+            return serviceList;
+        }
+    };
+
+    private final String name;
+
+    private static final String VERSION_REGEX = "[0-9]+\\.?[0-9]?";
+    private static final String DELIMITER = "[ :=]+";
+
+    public abstract List<Service> filter(final List<Service> serviceList, final String version);
+
+    public static Optional<VersionFilterEnum> getFilter(final String version) {
+        final Matcher matcher = Pattern.compile("([a-zA-Z]+)" + DELIMITER).matcher(version);
+        if (matcher.find()) {
+            for (final VersionFilterEnum value : VersionFilterEnum.values()) {
+                if (value.getName().equals(matcher.group(1))) {
+                    return Optional.of(value);
+                }
+            }
+        }
+        return Optional.empty();
+    }
+
+    private static Integer convertToInteger(final String value) {
+        return (int) (Float.parseFloat(value) * 10);
+    }
+
+}