w9-202401070104-张思渊

w9/HistoryCommand.java

@@ -0,0 +1,41 @@
+package com.example.datacollect.command;
+
+import com.example.datacollect.model.Article;
+import com.example.datacollect.view.ConsoleView;
+
+import java.util.List;
+
+public class HistoryCommand implements Command {
+    private final ConsoleView view;
+    private final List<String> history;
+
+    public HistoryCommand(ConsoleView view, List<String> history) {
+        this.view = view;
+        this.history = history;
+    }
+
+    @Override
+    public String getName() {
+        return "history";
+    }
+
+    @Override
+    public void execute(String[] args, List<Article> articles) {
+        if (history.isEmpty()) {
+            view.printInfo("No command history.");
+            return;
+        }
+        view.printInfo("Command History:");
+        for (int i = 0; i < history.size(); i++) {
+            System.out.println((i + 1) + ". " + history.get(i));
+        }
+    }
+
+    public void addToHistory(String command) {
+        history.add(command);
+    }
+
+    public List<String> getHistory() {
+        return history;
+    }
+}