can read hash of issues stored

src/main/java/command/CommandLs.java

 package command;
 
+import git.IssueReader;
 import issueData.IssueRepository;
 
 public class CommandLs implements Command {
 
     @Override
     public void execute() {
-        IssueRepository issueRepository = new IssueRepository();
-        issueRepository.getIssues().forEach(System.out::println);
+//        IssueRepository issueRepository = new IssueRepository();
+//        issueRepository.getIssues().forEach(System.out::println);
+        IssueReader issueReader = new IssueReader();
+
+        issueReader.walkTree();
     }
 }

src/main/java/git/IssueReader.java

 package git;
 
+import issueData.Issue;
+import org.eclipse.jgit.treewalk.TreeWalk;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
 public class IssueReader {
 
     private IssueRepo repo;
+    private List<Issue> issues;
 
     public IssueReader() {
         this.repo = new IssueRepo();
+        this.issues = new ArrayList<>();
+    }
+
+    public void walkTree() {
+        try (TreeWalk treeWalk = new TreeWalk(repo.getRepository())) {
+            treeWalk.addTree(repo.getCurrentCommit().getTree());
+            treeWalk.setRecursive(true);
+            while (treeWalk.next()) {
+                if(issues.isEmpty() || !exists(treeWalk.getPathString())){
+                    Issue issue = new Issue();
+                    issue.setOriginalHash(trimPath(treeWalk.getPathString()));
+                    issues.add(issue);
+                    System.out.println("create");
+                } 
+//                System.out.println(treeWalk.getPathString());
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
     }
 
+    public boolean exists(String path){
+        for(Issue issue : issues) {
+            if(issue.getOriginalHash().equals(trimPath(path))) return true;
+        }
+        return false;
+    }
+
+    public String trimPath(String path){
+        return  path.split("/")[0];
+    }
 
 
 }

src/main/java/git/IssueRepo.java

@@ -57,7 +57,6 @@ public class IssueRepo {
             commitBuilder.setTreeId(oi.insert(Constants.OBJ_TREE, new byte[]{}));
         }
 
-
         //update issues branch ref to point to new commit
         ObjectId newCommit = oi.insert(commitBuilder);
         RefUpdate update = repository.updateRef("refs/heads/issues");
@@ -88,7 +87,7 @@ public class IssueRepo {
         return issuesTreeFormatter;
     }
 
-    private RevCommit getCurrentCommit() throws IOException {
+    public RevCommit getCurrentCommit() throws IOException {
         Ref issueRef = repository.findRef("refs/heads/issues");
 
         RevCommit commit;
@@ -117,5 +116,7 @@ public class IssueRepo {
         }
     }
 
-
+    public Repository getRepository() {
+        return repository;
+    }
 }