feat: dall-e integration

backend/apps/images/main.py

@@ -21,7 +21,16 @@ from utils.utils import (
 from utils.misc import calculate_sha256
 from typing import Optional
 from pydantic import BaseModel
-from config import AUTOMATIC1111_BASE_URL
+from pathlib import Path
+import uuid
+import base64
+import json
+
+from config import CACHE_DIR, AUTOMATIC1111_BASE_URL
+
+
+IMAGE_CACHE_DIR = Path(CACHE_DIR).joinpath("./image/generations/")
+IMAGE_CACHE_DIR.mkdir(parents=True, exist_ok=True)
 
 app = FastAPI()
 app.add_middleware(
@@ -32,25 +41,34 @@ app.add_middleware(
     allow_headers=["*"],
 )
 
+app.state.ENGINE = ""
+app.state.ENABLED = False
+
+app.state.OPENAI_API_KEY = ""
+app.state.MODEL = ""
+
+
 app.state.AUTOMATIC1111_BASE_URL = AUTOMATIC1111_BASE_URL
-app.state.ENABLED = app.state.AUTOMATIC1111_BASE_URL != ""
+
 app.state.IMAGE_SIZE = "512x512"
 app.state.IMAGE_STEPS = 50
 
 
-@app.get("/enabled", response_model=bool)
+@app.get("/config")
-async def get_enable_status(request: Request, user=Depends(get_admin_user)):
+async def get_config(request: Request, user=Depends(get_admin_user)):
-    return app.state.ENABLED
+    return {"engine": app.state.ENGINE, "enabled": app.state.ENABLED}
 
 
-@app.get("/enabled/toggle", response_model=bool)
+class ConfigUpdateForm(BaseModel):
-async def toggle_enabled(request: Request, user=Depends(get_admin_user)):
+    engine: str
-    try:
+    enabled: bool
-        r = requests.head(app.state.AUTOMATIC1111_BASE_URL)
+
-        app.state.ENABLED = not app.state.ENABLED
+
-        return app.state.ENABLED
+@app.post("/config/update")
-    except Exception as e:
+async def update_config(form_data: ConfigUpdateForm, user=Depends(get_admin_user)):
-        raise HTTPException(status_code=400, detail=ERROR_MESSAGES.DEFAULT(e))
+    app.state.ENGINE = form_data.engine
+    app.state.ENABLED = form_data.enabled
+    return {"engine": app.state.ENGINE, "enabled": app.state.ENABLED}
 
 
 class UrlUpdateForm(BaseModel):
@@ -58,17 +76,24 @@ class UrlUpdateForm(BaseModel):
 
 
 @app.get("/url")
-async def get_openai_url(user=Depends(get_admin_user)):
+async def get_automatic1111_url(user=Depends(get_admin_user)):
     return {"AUTOMATIC1111_BASE_URL": app.state.AUTOMATIC1111_BASE_URL}
 
 
 @app.post("/url/update")
-async def update_openai_url(form_data: UrlUpdateForm, user=Depends(get_admin_user)):
+async def update_automatic1111_url(
+    form_data: UrlUpdateForm, user=Depends(get_admin_user)
+):
 
     if form_data.url == "":
         app.state.AUTOMATIC1111_BASE_URL = AUTOMATIC1111_BASE_URL
     else:
-        app.state.AUTOMATIC1111_BASE_URL = form_data.url.strip("/")
+        url = form_data.url.strip("/")
+        try:
+            r = requests.head(url)
+            app.state.AUTOMATIC1111_BASE_URL = url
+        except Exception as e:
+            raise HTTPException(status_code=400, detail=ERROR_MESSAGES.DEFAULT(e))
 
     return {
         "AUTOMATIC1111_BASE_URL": app.state.AUTOMATIC1111_BASE_URL,
@@ -76,6 +101,30 @@ async def update_openai_url(form_data: UrlUpdateForm, user=Depends(get_admin_use
     }
 
 
+class OpenAIKeyUpdateForm(BaseModel):
+    key: str
+
+
+@app.get("/key")
+async def get_openai_key(user=Depends(get_admin_user)):
+    return {"OPENAI_API_KEY": app.state.OPENAI_API_KEY}
+
+
+@app.post("/key/update")
+async def update_openai_key(
+    form_data: OpenAIKeyUpdateForm, user=Depends(get_admin_user)
+):
+
+    if form_data.key == "":
+        raise HTTPException(status_code=400, detail=ERROR_MESSAGES.API_KEY_NOT_FOUND)
+
+    app.state.OPENAI_API_KEY = form_data.key
+    return {
+        "OPENAI_API_KEY": app.state.OPENAI_API_KEY,
+        "status": True,
+    }
+
+
 class ImageSizeUpdateForm(BaseModel):
     size: str
 
@@ -132,9 +181,22 @@ async def update_image_size(
 @app.get("/models")
 def get_models(user=Depends(get_current_user)):
     try:
-        r = requests.get(url=f"{app.state.AUTOMATIC1111_BASE_URL}/sdapi/v1/sd-models")
+        if app.state.ENGINE == "openai":
+            return [
+                {"id": "dall-e-2", "name": "DALL·E 2"},
+                {"id": "dall-e-3", "name": "DALL·E 3"},
+            ]
+        else:
+            r = requests.get(
+                url=f"{app.state.AUTOMATIC1111_BASE_URL}/sdapi/v1/sd-models"
+            )
             models = r.json()
-        return models
+            return list(
+                map(
+                    lambda model: {"id": model["title"], "name": model["model_name"]},
+                    models,
+                )
+            )
     except Exception as e:
         app.state.ENABLED = False
         raise HTTPException(status_code=400, detail=ERROR_MESSAGES.DEFAULT(e))
@@ -143,9 +205,11 @@ def get_models(user=Depends(get_current_user)):
 @app.get("/models/default")
 async def get_default_model(user=Depends(get_admin_user)):
     try:
+        if app.state.ENGINE == "openai":
+            return {"model": app.state.MODEL if app.state.MODEL else "dall-e-2"}
+        else:
             r = requests.get(url=f"{app.state.AUTOMATIC1111_BASE_URL}/sdapi/v1/options")
             options = r.json()
-
             return {"model": options["sd_model_checkpoint"]}
     except Exception as e:
         app.state.ENABLED = False
@@ -157,6 +221,11 @@ class UpdateModelForm(BaseModel):
 
 
 def set_model_handler(model: str):
+
+    if app.state.ENGINE == "openai":
+        app.state.MODEL = model
+        return app.state.MODEL
+    else:
         r = requests.get(url=f"{app.state.AUTOMATIC1111_BASE_URL}/sdapi/v1/options")
         options = r.json()
 
@@ -185,6 +254,24 @@ class GenerateImageForm(BaseModel):
     negative_prompt: Optional[str] = None
 
 
+def save_b64_image(b64_str):
+    image_id = str(uuid.uuid4())
+    file_path = IMAGE_CACHE_DIR.joinpath(f"{image_id}.png")
+
+    try:
+        # Split the base64 string to get the actual image data
+        img_data = base64.b64decode(b64_str)
+
+        # Write the image data to a file
+        with open(file_path, "wb") as f:
+            f.write(img_data)
+
+        return image_id
+    except Exception as e:
+        print(f"Error saving image: {e}")
+        return None
+
+
 @app.post("/generations")
 def generate_image(
     form_data: GenerateImageForm,
@@ -194,6 +281,43 @@ def generate_image(
     print(form_data)
 
     try:
+        if app.state.ENGINE == "openai":
+
+            headers = {}
+            headers["Authorization"] = f"Bearer {app.state.OPENAI_API_KEY}"
+            headers["Content-Type"] = "application/json"
+
+            data = {
+                "model": app.state.MODEL if app.state.MODEL != "" else "dall-e-2",
+                "prompt": form_data.prompt,
+                "n": form_data.n,
+                "size": form_data.size,
+                "response_format": "b64_json",
+            }
+
+            r = requests.post(
+                url=f"https://api.openai.com/v1/images/generations",
+                json=data,
+                headers=headers,
+            )
+
+            r.raise_for_status()
+
+            res = r.json()
+
+            images = []
+
+            for image in res["data"]:
+                image_id = save_b64_image(image["b64_json"])
+                images.append({"url": f"/cache/image/generations/{image_id}.png"})
+                file_body_path = IMAGE_CACHE_DIR.joinpath(f"{image_id}.json")
+
+                with open(file_body_path, "w") as f:
+                    json.dump(data, f)
+
+            return images
+
+        else:
             if form_data.model:
                 set_model_handler(form_data.model)
 
@@ -212,14 +336,27 @@ def generate_image(
             if form_data.negative_prompt != None:
                 data["negative_prompt"] = form_data.negative_prompt
 
-        print(data)
-
             r = requests.post(
                 url=f"{app.state.AUTOMATIC1111_BASE_URL}/sdapi/v1/txt2img",
                 json=data,
             )
 
-        return r.json()
+            res = r.json()
+
+            print(res)
+
+            images = []
+
+            for image in res["images"]:
+                image_id = save_b64_image(image)
+                images.append({"url": f"/cache/image/generations/{image_id}.png"})
+                file_body_path = IMAGE_CACHE_DIR.joinpath(f"{image_id}.json")
+
+                with open(file_body_path, "w") as f:
+                    json.dump({**data, "info": res["info"]}, f)
+
+            return images
+
     except Exception as e:
         print(e)
         raise HTTPException(status_code=400, detail=ERROR_MESSAGES.DEFAULT(e))

backend/main.py

@@ -121,6 +121,7 @@ async def get_app_latest_release_version():
 
 
 app.mount("/static", StaticFiles(directory="static"), name="static")
+app.mount("/cache", StaticFiles(directory="data/cache"), name="cache")
 
 
 app.mount(

src/lib/apis/images/index.ts

@@ -72,6 +72,73 @@ export const updateImageGenerationConfig = async (
 	return res;
 };
 
+export const getOpenAIKey = async (token: string = '') => {
+	let error = null;
+
+	const res = await fetch(`${IMAGES_API_BASE_URL}/key`, {
+		method: 'GET',
+		headers: {
+			Accept: 'application/json',
+			'Content-Type': 'application/json',
+			...(token && { authorization: `Bearer ${token}` })
+		}
+	})
+		.then(async (res) => {
+			if (!res.ok) throw await res.json();
+			return res.json();
+		})
+		.catch((err) => {
+			console.log(err);
+			if ('detail' in err) {
+				error = err.detail;
+			} else {
+				error = 'Server connection failed';
+			}
+			return null;
+		});
+
+	if (error) {
+		throw error;
+	}
+
+	return res.OPENAI_API_KEY;
+};
+
+export const updateOpenAIKey = async (token: string = '', key: string) => {
+	let error = null;
+
+	const res = await fetch(`${IMAGES_API_BASE_URL}/key/update`, {
+		method: 'POST',
+		headers: {
+			Accept: 'application/json',
+			'Content-Type': 'application/json',
+			...(token && { authorization: `Bearer ${token}` })
+		},
+		body: JSON.stringify({
+			key: key
+		})
+	})
+		.then(async (res) => {
+			if (!res.ok) throw await res.json();
+			return res.json();
+		})
+		.catch((err) => {
+			console.log(err);
+			if ('detail' in err) {
+				error = err.detail;
+			} else {
+				error = 'Server connection failed';
+			}
+			return null;
+		});
+
+	if (error) {
+		throw error;
+	}
+
+	return res.OPENAI_API_KEY;
+};
+
 export const getAUTOMATIC1111Url = async (token: string = '') => {
 	let error = null;
 

src/lib/components/chat/Messages/ResponseMessage.svelte

@@ -277,13 +277,15 @@
 
 	const generateImage = async (message) => {
 		generatingImage = true;
-		const res = await imageGenerations(localStorage.token, message.content);
+		const res = await imageGenerations(localStorage.token, message.content).catch((error) => {
+			toast.error(error);
+		});
 		console.log(res);
 
 		if (res) {
-			message.files = res.images.map((image) => ({
+			message.files = res.map((image) => ({
 				type: 'image',
-				url: `data:image/png;base64,${image}`
+				url: `${image.url}`
 			}));
 
 			dispatch('save', message);

src/lib/components/chat/Settings/Images.svelte

@@ -14,7 +14,9 @@
 		updateAUTOMATIC1111Url,
 		updateImageSize,
 		getImageSteps,
-		updateImageSteps
+		updateImageSteps,
+		getOpenAIKey,
+		updateOpenAIKey
 	} from '$lib/apis/images';
 	import { getBackendConfig } from '$lib/apis';
 	const dispatch = createEventDispatcher();
@@ -27,6 +29,7 @@
 	let enableImageGeneration = false;
 
 	let AUTOMATIC1111_BASE_URL = '';
+	let OPENAI_API_KEY = '';
 
 	let selectedModel = '';
 	let models = null;
@@ -97,6 +100,7 @@
 				enableImageGeneration = res.enabled;
 			}
 			AUTOMATIC1111_BASE_URL = await getAUTOMATIC1111Url(localStorage.token);
+			OPENAI_API_KEY = await getOpenAIKey(localStorage.token);
 
 			imageSize = await getImageSize(localStorage.token);
 			steps = await getImageSteps(localStorage.token);
@@ -112,6 +116,10 @@
 	class="flex flex-col h-full justify-between space-y-3 text-sm"
 	on:submit|preventDefault={async () => {
 		loading = true;
+		await updateOpenAIKey(localStorage.token, OPENAI_API_KEY);
+
+		await updateDefaultImageGenerationModel(localStorage.token, selectedModel);
+
 		await updateDefaultImageGenerationModel(localStorage.token, selectedModel);
 		await updateImageSize(localStorage.token, imageSize).catch((error) => {
 			toast.error(error);
@@ -156,10 +164,12 @@
 						on:click={() => {
 							if (imageGenerationEngine === '' && AUTOMATIC1111_BASE_URL === '') {
 								toast.error('AUTOMATIC1111 Base URL is required.');
+								enableImageGeneration = false;
 							} else {
 								enableImageGeneration = !enableImageGeneration;
-								updateImageGeneration();
 							}
+
+							updateImageGeneration();
 						}}
 						type="button"
 					>
@@ -172,21 +182,20 @@
 				</div>
 			</div>
 		</div>
-
-		{#if imageGenerationEngine === ''}
 		<hr class=" dark:border-gray-700" />
 
+		{#if imageGenerationEngine === ''}
 			<div class=" mb-2.5 text-sm font-medium">AUTOMATIC1111 Base URL</div>
 			<div class="flex w-full">
 				<div class="flex-1 mr-2">
 					<input
-						class="w-full rounded py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-800 outline-none"
+						class="w-full rounded-lg py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-850 outline-none"
 						placeholder="Enter URL (e.g. http://127.0.0.1:7860/)"
 						bind:value={AUTOMATIC1111_BASE_URL}
 					/>
 				</div>
 				<button
-					class="px-3 bg-gray-200 hover:bg-gray-300 dark:bg-gray-600 dark:hover:bg-gray-700 rounded transition"
+					class="px-3 bg-gray-200 hover:bg-gray-300 dark:bg-gray-600 dark:hover:bg-gray-700 rounded-lg transition"
 					type="button"
 					on:click={() => {
 						// updateOllamaAPIUrlHandler();
@@ -219,6 +228,17 @@
 					(e.g. `sh webui.sh --api`)
 				</a>
 			</div>
+		{:else if imageGenerationEngine === 'openai'}
+			<div class=" mb-2.5 text-sm font-medium">OpenAI API Key</div>
+			<div class="flex w-full">
+				<div class="flex-1 mr-2">
+					<input
+						class="w-full rounded-lg py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-850 outline-none"
+						placeholder="Enter API Key"
+						bind:value={OPENAI_API_KEY}
+					/>
+				</div>
+			</div>
 		{/if}
 
 		{#if enableImageGeneration}
@@ -229,7 +249,7 @@
 				<div class="flex w-full">
 					<div class="flex-1 mr-2">
 						<select
-							class="w-full rounded py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-800 outline-none"
+							class="w-full rounded-lg py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-850 outline-none"
 							bind:value={selectedModel}
 							placeholder="Select a model"
 						>
@@ -249,7 +269,7 @@
 				<div class="flex w-full">
 					<div class="flex-1 mr-2">
 						<input
-							class="w-full rounded py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-800 outline-none"
+							class="w-full rounded-lg py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-850 outline-none"
 							placeholder="Enter Image Size (e.g. 512x512)"
 							bind:value={imageSize}
 						/>
@@ -262,7 +282,7 @@
 				<div class="flex w-full">
 					<div class="flex-1 mr-2">
 						<input
-							class="w-full rounded py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-800 outline-none"
+							class="w-full rounded-lg py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-850 outline-none"
 							placeholder="Enter Number of Steps (e.g. 50)"
 							bind:value={steps}
 						/>

src/lib/components/common/Image.svelte

@@ -1,18 +1,23 @@
 <script lang="ts">
+	import { WEBUI_BASE_URL } from '$lib/constants';
 	import ImagePreview from './ImagePreview.svelte';
 
 	export let src = '';
 	export let alt = '';
 
+	let _src = '';
+
+	$: _src = src.startsWith('/') ? `${WEBUI_BASE_URL}${src}` : src;
+
 	let showImagePreview = false;
 </script>
 
-<ImagePreview bind:show={showImagePreview} {src} {alt} />
+<ImagePreview bind:show={showImagePreview} src={_src} {alt} />
 <button
 	on:click={() => {
 		console.log('image preview');
 		showImagePreview = true;
 	}}
 >
-	<img {src} {alt} class=" max-h-96 rounded-lg" draggable="false" />
+	<img src={_src} {alt} class=" max-h-96 rounded-lg" draggable="false" />
 </button>