new check

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

@@ -1,7 +1,37 @@
 package core.basesyntax;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
 public class SalaryInfo {
+    private static final DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd.MM.yyyy");
+    private static final String REPORT = "Report for period ";
+
     public String getSalaryInfo(String[] names, String[] data, String dateFrom, String dateTo) {
-        return null;
+        LocalDate from = LocalDate.parse(dateFrom, formatter);
+        LocalDate to = LocalDate.parse(dateTo, formatter);
+
+        StringBuilder report = new StringBuilder();
+        report.append(REPORT).append(dateFrom).append(" - ").append(dateTo).append(System.lineSeparator());
+
+        for (String name : names) {
+            int salary = 0;
+
+            for (String datum : data) {
+                String[] dataArray = datum.split(" ");
+                LocalDate localDate = LocalDate.parse(dataArray[0], formatter);
+                if (!localDate.isBefore(from)
+                        && !localDate.isAfter(to)
+                        && name.equals(dataArray[1])) {
+                    salary += Integer.parseInt(dataArray[2])
+                            * Integer.parseInt(dataArray[3]);
+                }
+            }
+            report.append(name).append(" - ").append(salary);
+            if (!name.equals(names[names.length - 1])) {
+                report.append(System.lineSeparator());
+            }
+        }
+        return report.toString();
     }
-}
+}