#27 -- fix statistic

src/main/java/ru/ulstu/extractor/controller/StatisticController.java

@@ -27,19 +27,20 @@ public class StatisticController {
 
     @GetMapping(STATISTIC)
     public String indexBranch(Model model) {
+        List<Object[]> urlCommits = getUrlCommits();
+        List<Object[]> timeCommits = getTimeCommits();
         model.addAttribute("commitAuthorData", authorCommits());
-        model.addAttribute("commitUrlData", urlCommits());
-        model.addAttribute("commitTimeData", timeCommits());
-        String[] date = new String[timeCommits().size()];
-        for (int i = 0; i < timeCommits().size(); i++) {
-            date[i] = timeCommits().get(i)[0].toString();
-        }
-        model.addAttribute("dates", date);
-        String[] url = new String[urlCommits().size()];
-        for (int i = 0; i < urlCommits().size(); i++) {
-            url[i] = urlCommits().get(i)[0].toString().substring(urlCommits().get(i)[0].toString().lastIndexOf("/") + 1);
-        }
-        model.addAttribute("urls", url);
+        model.addAttribute("commitUrlData", urlCommits);
+        model.addAttribute("commitTimeData", timeCommits);
+        List<String> dates = timeCommits.stream()
+                .map(tc -> tc[0].toString())
+                .collect(Collectors.toList());
+        model.addAttribute("dates", dates);
+
+        List<String> urls = urlCommits.stream()
+                .map(tc -> tc[0].toString().substring(tc[0].toString().lastIndexOf("/") + 1))
+                .collect(Collectors.toList());
+        model.addAttribute("urls", urls);
         model.addAttribute("commitEntityData", entityCommits());
         model.addAttribute("commitTimeEntityData", allTimeEntityCommits());
         return STATISTIC;
@@ -52,14 +53,14 @@ public class StatisticController {
         return authorCommits;
     }
 
-    public List<Object[]> urlCommits() {
+    public List<Object[]> getUrlCommits() {
         List<Object[]> urlCommits = commitRepository.getCommitUrlStatistic().stream()
                 .map(stat -> new Object[]{stat.getUrl(), stat.getCountCommit()})
                 .collect(Collectors.toList());
         return urlCommits;
     }
 
-    public List<Object[]> timeCommits() {
+    public List<Object[]> getTimeCommits() {
         List<Object[]> timeCommits = commitRepository.getCommitTimeStatistic().stream()
                 .map(stat -> new Object[]{stat.getDate(), stat.getCountCommit()})
                 .collect(Collectors.toList());