Added Difficulty in Topics Command

interactions/buttons/topic.js

@@ -1,16 +1,28 @@
 import { EmbedBuilder } from "discord.js";
 
+const topics = [
+    'Array', 'String', 'Hash Table', 'Dynamic Programming', 'Math',
+    'Sorting', 'Greedy', 'Depth-First Search', 'Binary Search', 'Database',
+    'Breadth-First Search', 'Tree', 'Matrix', 'Two Pointers', 'Bit Manipulation',
+    'Stack', 'Design', 'Heap (Priority Queue)', 'Graph', 'Simulation'
+];
+
 export default {
     name: 'topic',
     run: async (interaction, lc = interaction.client.lc) => {
-        const selectedTopic = interaction.customId.replace('topic_', '');
         await interaction.deferReply();
 
+        const [,topicIndex,difficultyIndex] = interaction.customId.split("_")
+
+        const difficulty = difficultyIndex === '0' ? null : difficultyIndex === '1' ? 'EASY' : difficultyIndex === '2' ? 'MEDIUM' : 'HARD' 
+        const topic = topics[topicIndex]
+
+
         const topicQuestions = await lc.problems({
             categorySlug: '',
             skip: 0,
             limit: 300000,
-            filters: { tags: [selectedTopic] }
+            filters: { tags: [topic.toLowerCase().replace(/\s+/g, '-')], difficulty }
         });
 
         if (topicQuestions.questions.length === 0) {
@@ -22,7 +34,7 @@ export default {
 
         const questionLink = `https://leetcode.com/problems/${randomQuestion.titleSlug}/`;
         const embed = new EmbedBuilder()
-            .setTitle(`Random ${selectedTopic.replace(/-/g, ' ')} Question: ${randomQuestion.title}`)
+            .setTitle(`Random ${topic} Question: ${randomQuestion.title}`)
             .setURL(questionLink)
             .setColor(0x0099FF)
             .addFields(

interactions/commands/topics.js

@@ -1,4 +1,4 @@
-import { SlashCommandBuilder, ActionRowBuilder, ButtonBuilder, ButtonStyle } from "discord.js";
+import { SlashCommandBuilder, ActionRowBuilder, ButtonBuilder, ButtonStyle, EmbedBuilder } from "discord.js";
 import LeetCodeUtility from "../../utility/LeetCode.js";
 
 const topics = [
@@ -11,21 +11,38 @@ const topics = [
 export default {
     data: new SlashCommandBuilder()
         .setName('topics')
-        .setDescription('Shows a list of LeetCode topics to choose from'),
+        .setDescription('Shows a list of LeetCode topics to choose from')
+        .addStringOption(
+            (option) => option
+                .setName('difficulty')
+                .setDescription('Difficulty of the random question found based on topic')
+                .addChoices(
+                    { name: 'random', value: '0' },
+                    { name: 'easy', value: '1' },
+                    { name: 'medium', value: '2' },
+                    { name: 'hard', value: '3' }
+                )
+                .setRequired(false)
+        ),
     run: async (interaction) => {
+        const difficulty = interaction.options.getString('difficulty') || '0'
         const chunkedTopics = LeetCodeUtility.chunkArray(topics, 5); 
 
         const rows = chunkedTopics.map(chunk =>
             new ActionRowBuilder().addComponents(
-                chunk.map(topic =>
+                chunk.map((topic) => 
                     new ButtonBuilder()
-                        .setCustomId(`topic_${topic.toLowerCase().replace(/\s+/g, '-')}`)
+                        .setCustomId(`topic_${topics.indexOf(topic)}_${difficulty}`)
                         .setLabel(topic)
                         .setStyle(ButtonStyle.Secondary)
                 )
             )
         );
 
-        return interaction.reply({ content: 'Choose a topic to get a random question:', components: rows })
+        const embed = new EmbedBuilder()
+            .setDescription('**Choose a topic to get a random question**')
+            .setColor(0xfea116)
+
+        return interaction.reply({ embeds: [ embed ], components: rows })
     }
 }