create an implementation for the method "getSalaryInfo"

src/main/java/core/basesyntax/SalaryInfo.java

@@ -1,7 +1,57 @@
 package core.basesyntax;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+
 public class SalaryInfo {
-    public String getSalaryInfo(String[] names, String[] data, String dateFrom, String dateTo) {
-        return null;
+    private static final DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("dd.MM.yyyy");
+    private static final int DATE_FROM_LIST = 0;
+    private static final int NAME_FROM_LIST = 1;
+    private static final int HOURS_FROM_LIST = 2;
+    private static final int HOURS_RATE_FROM_LIST = 3;
+    private static final String LINE_SEPARATOR = "\\s+";
+
+    public static boolean isDateInRange(String fromDate, String toDate, String dateFromAList) {
+
+        try {
+            LocalDate startDate = LocalDate.parse(fromDate, FORMATTER);
+            LocalDate endDate = LocalDate.parse(toDate, FORMATTER);
+            LocalDate dateToCheck = LocalDate.parse(dateFromAList, FORMATTER);
+            return (!dateToCheck.isBefore(startDate)
+                    && !dateToCheck.isAfter(endDate));
+        } catch (DateTimeParseException e) {
+            System.out.println("Invalid date format" + e);
+            return false;
+        }
+    }
+
+    public String getSalaryInfo(String[] names, String[] dates, String dateFrom, String dateTo) {
+        StringBuilder builder = new StringBuilder("Report for period ");
+        builder.append(dateFrom).append(" - ").append(dateTo).append(System.lineSeparator());
+
+        try {
+            for (int i = 0; i < names.length; i++) {
+                int employeeSalary = 0;
+                for (String date : dates) {
+                    String[] record = date.split(LINE_SEPARATOR);
+                    String recordDate = record[DATE_FROM_LIST];
+                    String recordName = record[NAME_FROM_LIST];
+                    int totalHours = Integer.parseInt(record[HOURS_FROM_LIST]);
+                    int salaryPerHour = Integer.parseInt(record[HOURS_RATE_FROM_LIST]);
+
+                    if (recordName.equals(names[i])
+                            && isDateInRange(dateFrom, dateTo, recordDate)) {
+                        employeeSalary += totalHours * salaryPerHour;
+                    }
+                }
+                builder.append(names[i]).append(" - ").append(employeeSalary)
+                        .append(System.lineSeparator());
+            }
+        } catch (DateTimeParseException | NumberFormatException e) {
+            System.out.println("Invalid date format" + e);
+
+        }
+        return builder.toString().trim();
     }
 }