adds dall-e full history page and metadata downloader

src/shared/file-storage/image-history.ts

@@ -1,15 +1,18 @@
-const IMAGE_HISTORY_SIZE = 30;
+const IMAGE_HISTORY_SIZE = 10000;
 const imageHistory = new Array<ImageHistory>(IMAGE_HISTORY_SIZE);
 let index = 0;
 
-type ImageHistory = { url: string; prompt: string };
+type ImageHistory = { url: string; prompt: string, token?: string };
 
 export function addToImageHistory(image: ImageHistory) {
+  if (image.token?.length) {
+    image.token = `...${image.token.slice(-5)}`;
+  }
   imageHistory[index] = image;
   index = (index + 1) % IMAGE_HISTORY_SIZE;
 }
 
-export function getLastNImages(n: number) {
+export function getLastNImages(n: number = IMAGE_HISTORY_SIZE): ImageHistory[] {
   const result: ImageHistory[] = [];
   let currentIndex = (index - 1 + IMAGE_HISTORY_SIZE) % IMAGE_HISTORY_SIZE;
 

src/shared/file-storage/mirror-generated-image.ts

@@ -1,4 +1,5 @@
 import axios from "axios";
+import express from "express";
 import { promises as fs } from "fs";
 import path from "path";
 import { v4 } from "uuid";
@@ -53,10 +54,11 @@ async function createThumbnail(filepath: string) {
  * Mutates the result object.
  */
 export async function mirrorGeneratedImage(
-  host: string,
+  req: express.Request,
   prompt: string,
   result: OpenAIImageGenerationResult
 ): Promise<OpenAIImageGenerationResult> {
+  const host = req.protocol + "://" + req.get("host");
   for (const item of result.data) {
     let mirror: string;
     if (item.b64_json) {
@@ -66,7 +68,7 @@ export async function mirrorGeneratedImage(
     }
     item.url = `${host}/user_content/${path.basename(mirror)}`;
     await createThumbnail(mirror);
-    addToImageHistory({ url: item.url, prompt });
+    addToImageHistory({ url: item.url, prompt, token: req.user?.token ?? "" });
   }
   return result;
 }