Add view command (#153)

# Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

- Add view command to let users see specific cards but not claim them

#80

## Type of change

Please delete options that are not relevant.

- [x] New feature (non-breaking change which adds functionality)

# How Has This Been Tested?

Please describe the tests that you ran to verify the changes. Provide instructions so we can reproduce. Please also list any relevant details to your test configuration.

# Checklist

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that provde my fix is effective or that my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream modules

Reviewed-on: https://gitea.vylpes.xyz/External/card-drop/pulls/153
Reviewed-by: VylpesTester <tester@vylpes.com>
Co-authored-by: Ethan Lane <ethan@vylpes.com>
Co-committed-by: Ethan Lane <ethan@vylpes.com>

src/commands/view.ts

@@ -0,0 +1,77 @@
+import { AttachmentBuilder, CommandInteraction, DiscordAPIError, SlashCommandBuilder } from "discord.js";
+import { Command } from "../type/command";
+import { CoreClient } from "../client/client";
+import { readFileSync } from "fs";
+import path from "path";
+import Inventory from "../database/entities/app/Inventory";
+import CardDropHelperMetadata from "../helpers/CardDropHelperMetadata";
+
+export default class View extends Command {
+    constructor() {
+        super();
+
+        this.CommandBuilder = new SlashCommandBuilder()
+            .setName("view")
+            .setDescription("View a specific command")
+            .addStringOption(x =>
+                x
+                    .setName("cardnumber")
+                    .setDescription("The card number to view")
+                    .setRequired(true));
+    }
+
+    public override async execute(interaction: CommandInteraction) {
+        const cardNumber = interaction.options.get("cardnumber");
+
+        if (!cardNumber || !cardNumber.value) {
+            await interaction.reply("Card number is required.");
+            return;
+        }
+
+        const card = CoreClient.Cards
+            .flatMap(x => x.cards)
+            .find(x => x.id == cardNumber.value);
+
+        if (!card) {
+            await interaction.reply("Card not found.");
+            return;
+        }
+
+        const series = CoreClient.Cards
+            .find(x => x.cards.includes(card))!;
+
+        let image: Buffer;
+        const imageFileName = card.path.split("/").pop()!;
+
+        try {
+            image = readFileSync(path.join(process.env.DATA_DIR!, "cards", card.path));
+        } catch {
+            await interaction.reply(`Unable to fetch image for card ${card.id}.`);
+            return;
+        }
+
+        await interaction.deferReply();
+
+        const attachment = new AttachmentBuilder(image, { name: imageFileName });
+
+        const inventory = await Inventory.FetchOneByCardNumberAndUserId(interaction.user.id, card.id);
+        const quantityClaimed = inventory ? inventory.Quantity : 0;
+
+        const embed = CardDropHelperMetadata.GenerateDropEmbed({ card, series }, quantityClaimed, imageFileName);
+
+        try {
+            await interaction.editReply({
+                embeds: [ embed ],
+                files: [ attachment ],
+            });
+        } catch (e) {
+            console.error(e);
+
+            if (e instanceof DiscordAPIError) {
+                await interaction.editReply(`Unable to send next drop. Please try again, and report this if it keeps happening. Code: ${e.code}.`);
+            } else {
+                await interaction.editReply("Unable to send next drop. Please try again, and report this if it keeps happening. Code: UNKNOWN.");
+            }
+        }
+    }
+}

src/registry.ts

@@ -8,6 +8,7 @@ import Gdrivesync from "./commands/gdrivesync";
 import Give from "./commands/give";
 import Inventory from "./commands/inventory";
 import Resync from "./commands/resync";
+import View from "./commands/view";
 
 // Test Command Imports
 import Dropnumber from "./commands/stage/dropnumber";
@@ -27,6 +28,7 @@ export default class Registry {
         CoreClient.RegisterCommand("give", new Give());
         CoreClient.RegisterCommand("inventory", new Inventory());
         CoreClient.RegisterCommand("resync", new Resync());
+        CoreClient.RegisterCommand("view", new View());
 
         // Test Commands
         CoreClient.RegisterCommand("dropnumber", new Dropnumber(), Environment.Test);