attachment cli commands done

src/main/java/cli/CommandLineInterface.java

@@ -117,6 +117,15 @@ public class CommandLineInterface {
                 .build();
         uniqueCommands.addOption(addAssignee);
 
+        Option attachment = Option.builder()
+                .longOpt("attachment")
+                .hasArgs()
+                .numberOfArgs(3)
+                .argName("ID> <OPTION> <DATA")
+                .desc("add or delete attachment to issue with given id, option values: \"add\" & \"rm\"")
+                .build();
+        uniqueCommands.addOption(attachment);
+
         options.addOptionGroup(uniqueCommands);
     }
 

src/main/java/command/Command.java

 package command;
 
-public interface Command {
+interface Command {
     void execute();
 }

src/main/java/command/CommandAttachment.java

 package command;
 
 import git.IssueRepo;
-import issueData.User;
 
 import java.io.File;
 import java.io.IOException;
@@ -13,7 +12,7 @@ public final class CommandAttachment implements Command {
     private final String option;
     private final String path;
 
-    public CommandAttachment(String[] args) {
+    CommandAttachment(String[] args) {
         this.hash = args[0];
         this.option = args[1];
         this.path = args[2];
@@ -36,7 +35,7 @@ public final class CommandAttachment implements Command {
                         break;
                     case "rm":
                         boolean success = issue.getAttatchment().removeIf(f -> f.getName().equals(path));
-                        if (success){
+                        if (success) {
                             commitMessage = "attachment " + path + " removed from issue " + hash;
                             System.out.println("Attachment removed");
                         } else {

src/main/java/command/CommandSelector.java

@@ -43,7 +43,9 @@ public class CommandSelector {
                 command = watcher(userInput.getOptionValues("watcher"));
             } else if(userInput.hasOption("assignee")){
                 command = assignee(userInput.getOptionValues("assignee"));
-            } else {
+            } else if(userInput.hasOption("attachment")) {
+                command = attachment(userInput.getOptionValues("attachment"));
+            }else {
                 commandLineInterface.help();
                 command = nullCommand();
             }
@@ -98,6 +100,10 @@ public class CommandSelector {
         return new CommandTag(args);
     }
 
+    private Command attachment(String[] args) {
+        return new CommandAttachment(args);
+    }
+
     private Command assignee(String[] args) { return new CommandAssign(args);}
 
     private Command watcher(String[] args) { return new CommandWatcher(args);}