1 files changed, 95 insertions, 0 deletions
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/commit/EpochDateTimeConversion.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/commit/EpochDateTimeConversion.java
new file mode 100644
index 00000000..4bf49208
--- /dev/null
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/commit/EpochDateTimeConversion.java
@@ -0,0 +1,95 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2023 Deutsche Telekom Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcaegen2.services.prh.tasks.commit;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.Date;
+
+/**
+ * This class will return start date time of the day and end date time of the day in epoch format.
+ * @author <a href="mailto:mohd.khan@t-systems.com">Mohd Usman Khan</a> on 3/13/23
+ */
+
+@Component
+public class EpochDateTimeConversion {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(EpochDateTimeConversion.class);
+
+    private String daysForRecords = System.getenv("number_of_days");
+
+    public Long getStartDateOfTheDay(){
+        return getEpochDateTime(atStartOfDay(getCurrentDate()));
+    }
+
+    public Long getEndDateOfTheDay(){
+        return getEpochDateTime(atEndOfDay(getCurrentDate()));
+    }
+
+    private Long getEpochDateTime(Date date)
+    {
+        DateTimeFormatter dtf  = DateTimeFormatter.ofPattern("E MMM dd HH:mm:ss zzz yyyy");
+        ZonedDateTime zdt  = ZonedDateTime.parse( date.toString(),dtf);
+        return zdt.toInstant().toEpochMilli();
+    }
+
+    private Date getCurrentDate()
+    {
+        return new java.util.Date(System.currentTimeMillis());
+    }
+
+    public Date atStartOfDay(Date date) {
+        LocalDateTime localDateTime = dateToLocalDateTime(date);
+        if(daysForRecords==null)
+            daysForRecords="1";
+        LocalDateTime previousDay = localDateTime.minusDays(Integer.parseInt(daysForRecords) - 1l);
+        LocalDateTime previousStartTime = previousDay.with(LocalTime.MIN);
+        return localDateTimeToDate(previousStartTime);
+    }
+
+    private Date atEndOfDay(Date date) {
+        LocalDateTime localDateTime = dateToLocalDateTime(date);
+        LocalDateTime endOfDay = localDateTime.with(LocalTime.MAX);
+        return localDateTimeToDate(endOfDay);
+    }
+
+    private LocalDateTime dateToLocalDateTime(Date date) {
+        return LocalDateTime.ofInstant(date.toInstant(), ZoneId.systemDefault());
+    }
+
+    private Date localDateTimeToDate(LocalDateTime localDateTime) {
+        return Date.from(localDateTime.atZone(ZoneId.systemDefault()).toInstant());
+    }
+
+    public String getDaysForRecords() {
+        return daysForRecords;
+    }
+
+    public void setDaysForRecords(String daysForRecords) {
+        this.daysForRecords = daysForRecords;
+    }
+}