sets up previous menu and functionality

src/services/dataService.js

@@ -47,7 +47,10 @@ export class DataService {
     return await debug.info();
   }
 
-  
+  localData = async () => {
+    const data = this.getCodexData();
+    return await data.cids();
+  };
 
   getCodex = () =>{
     const config = this.configService.get();

src/ui/dataMenu.js

@@ -1,3 +1,5 @@
+import chalk from "chalk";
+
 export class DataMenu {
   constructor(uiService, fsService, dataService) {
     this.ui = uiService;
@@ -35,6 +37,36 @@ export class DataMenu {
   };
 
   showLocalData = async () => {
+    try {
+      const localData = await this.dataService.localData();
+      this.displayLocalData(localData);
+    }
+    catch (exception) {
+      this.ui.showErrorMessage("Failed to fetch local data: " + exception);
+    }
+  };
 
+  displayLocalData = (filesData) => {
+    if (filesData.content && filesData.content.length > 0) {
+      this.ui.showInfoMessage(`Found ${filesData.content.length} local file(s)`);
+
+      filesData.content.forEach((file, index) => {
+          const { cid, manifest } = file;
+          const { originalBytes, protected: isProtected, filename, mimetype } = manifest;
+
+          const fileSize = (originalBytes / 1024).toFixed(2);
+
+          this.ui.showInfoMessage(
+              `${chalk.cyan('File')} ${index + 1} of ${filesData.content.length}\n\n` +
+              `${chalk.cyan('Filename:')} ${filename}\n` +
+              `${chalk.cyan('CID:')} ${cid}\n` +
+              `${chalk.cyan('Size:')} ${fileSize} KB\n` +
+              `${chalk.cyan('MIME Type:')} ${mimetype}\n` +
+              `${chalk.cyan('Protected:')} ${isProtected ? chalk.green('Yes') : chalk.red('No')}`,
+          );
+      });
+    } else {
+        this.ui.showInfoMessage("Node contains no datasets.");
+    }
   };
 }