commands: add /image generate command to generate image with DALL-E (…

…#1065)

src/commands/image/generate.ts

@@ -0,0 +1,74 @@
+/*!
+ * @author TRACTION (iamtraction)
+ * @copyright 2023
+ */
+import { ApplicationCommandOptionType, ChatInputCommandInteraction } from "discord.js";
+import { Client, Command } from "@bastion/tesseract";
+import OpenAI from "openai";
+
+import Settings from "../../utils/settings.js";
+
+class ImageGenerateCommand extends Command {
+    constructor() {
+        super({
+            name: "generate",
+            description: "Generate an image with DALL-E from OpenAI.",
+            owner: true,
+            options: [
+                {
+                    type: ApplicationCommandOptionType.String,
+                    name: "prompt",
+                    description: "A description of the desired image.",
+                    required: true,
+                },
+                {
+                    type: ApplicationCommandOptionType.String,
+                    name: "size",
+                    description: "The size of the generated image.",
+                    choices: [
+                        {
+                            name: "Square",
+                            value: "1024x1024",
+                        },
+                        {
+                            name: "Portrait",
+                            value: "1024x1792",
+                        },
+                        {
+                            name: "Landscape",
+                            value: "1792x1024",
+                        },
+                    ],
+                },
+            ],
+        });
+    }
+
+    public async exec(interaction: ChatInputCommandInteraction<"cached">): Promise<void> {
+        await interaction.deferReply();
+
+        const prompt = interaction.options.getString("prompt");
+        const size = interaction.options.getString("size") as "1024x1024" | "1024x1792" | "1792x1024" || "1024x1024";
+
+        const openai = new OpenAI({
+            apiKey: ((interaction.client as Client).settings as Settings).get("openai").apiKey,
+        });
+
+        const response = await openai.images.generate({
+            model: "dall-e-3",
+            prompt: prompt,
+            response_format: "url",
+            size: size,
+            user: interaction.member.id,
+        });
+
+        await interaction.editReply({
+            content: response.data[0].revised_prompt,
+            files: [{
+                attachment: response.data[0].url,
+            }],
+        });
+    }
+}
+
+export { ImageGenerateCommand as Command };