Implemented method getSalaryInfo(String[] names, String[] data, Strin…

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

@@ -1,7 +1,45 @@
 package core.basesyntax;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
 public class SalaryInfo {
-    public String getSalaryInfo(String[] names, String[] data, String dateFrom, String dateTo) {
-        return null;
+    private static final String DATE_FORMAT_PATTERN = "dd.MM.yyyy";
+    private static final DateTimeFormatter formatter
+            = DateTimeFormatter.ofPattern(DATE_FORMAT_PATTERN);
+
+    public String getSalaryInfo(String[] names,
+                                String[] data,
+                                String dateFrom,
+                                String dateTo) {
+        StringBuilder result = new StringBuilder();
+        LocalDate from = LocalDate.parse(dateFrom, formatter);
+        LocalDate to = LocalDate.parse(dateTo, formatter);
+
+        result.append("Report for period ")
+                .append(dateFrom)
+                .append(" - ")
+                .append(dateTo);
+
+        for (String name : names) {
+            int salary = 0;
+
+            for (String line : data) {
+                String[] info = line.split(" ");
+                LocalDate date = LocalDate.parse(info[0], formatter);
+
+                if (info[1].equals(name) && !date.isBefore(from) && !date.isAfter(to)) {
+                    salary += Integer.parseInt(info[2]) * Integer.parseInt(info[3]);
+                }
+
+            }
+
+            result.append(System.lineSeparator())
+                    .append(name)
+                    .append(" - ")
+                    .append(salary);
+        }
+
+        return result.toString();
     }
 }