added deleting note functionality

Author: Amr Monier

app.js

@@ -47,6 +47,21 @@ yargs.command({
     }
 })
 
+yargs.command({
+    command: 'remove',
+    describe: 'Removing a note',
+    builder: {
+        title: {
+            describe: 'note title',
+            demandOption: true,
+            type: 'string'
+        }
+    },
+    handler: (argv) => {
+        console.log(notesStorage.removeNote(argv.title))
+    }
+})
+
 yargs.parse()
 
 

notesController.js

@@ -59,6 +59,14 @@ class NotesController {
             console.log(chalk.bgRed('ERROR: '), chalk.red('this title already exist'))
         }
     }
+
+    removeNote(title) {
+        this.fetchJSON()
+        let notesCount = this.notes.data.length
+        this.notes.data = this.notes.data.filter(note => note.title !== title)
+        this.dumpJson()
+        return notesCount === this.notes.data.length ? chalk.red('title not found') : chalk.green('note deleted successfully')
+    }
 }
 
 module.exports = NotesController