feat: custom openai api endpoint support

src/lib/components/chat/SettingsModal.svelte

@@ -56,6 +56,7 @@
 
 	let gravatarEmail = '';
 	let OPENAI_API_KEY = '';
+	let OPENAI_API_BASE_URL = '';
 
 	// Auth
 	let authEnabled = false;
@@ -302,8 +303,10 @@
 
 		// If OpenAI API Key exists
 		if (type === 'all' && $settings.OPENAI_API_KEY) {
+			const API_BASE_URL = $settings.OPENAI_API_BASE_URL ?? 'https://api.openai.com/v1';
+
 			// Validate OPENAI_API_KEY
-			const openaiModelRes = await fetch(`https://api.openai.com/v1/models`, {
+			const openaiModelRes = await fetch(`${API_BASE_URL}/models`, {
 				method: 'GET',
 				headers: {
 					'Content-Type': 'application/json',
@@ -327,8 +330,10 @@
 					? [
 							{ name: 'hr' },
 							...openAIModels
-								.map((model) => ({ name: model.id, label: 'OpenAI' }))
+								.map((model) => ({ name: model.id, external: true }))
-								.filter((model) => model.name.includes('gpt'))
+								.filter((model) =>
+									API_BASE_URL.includes('openai') ? model.name.includes('gpt') : true
+								)
 					  ]
 					: [])
 			);
@@ -363,6 +368,7 @@
 
 		gravatarEmail = settings.gravatarEmail ?? '';
 		OPENAI_API_KEY = settings.OPENAI_API_KEY ?? '';
+		OPENAI_API_BASE_URL = settings.OPENAI_API_BASE_URL ?? 'https://api.openai.com/v1';
 
 		authEnabled = settings.authHeader !== undefined ? true : false;
 		if (authEnabled) {
@@ -476,6 +482,30 @@
 					<div class=" self-center">Models</div>
 				</button>
 
+				<button
+					class="px-2.5 py-2.5 min-w-fit rounded-lg flex-1 md:flex-none flex text-right transition {selectedTab ===
+					'external'
+						? 'bg-gray-200 dark:bg-gray-700'
+						: ' hover:bg-gray-300 dark:hover:bg-gray-800'}"
+					on:click={() => {
+						selectedTab = 'external';
+					}}
+				>
+					<div class=" self-center mr-2">
+						<svg
+							xmlns="http://www.w3.org/2000/svg"
+							viewBox="0 0 16 16"
+							fill="currentColor"
+							class="w-4 h-4"
+						>
+							<path
+								d="M1 9.5A3.5 3.5 0 0 0 4.5 13H12a3 3 0 0 0 .917-5.857 2.503 2.503 0 0 0-3.198-3.019 3.5 3.5 0 0 0-6.628 2.171A3.5 3.5 0 0 0 1 9.5Z"
+							/>
+						</svg>
+					</div>
+					<div class=" self-center">External</div>
+				</button>
+
 				<button
 					class="px-2.5 py-2.5 min-w-fit rounded-lg flex-1 md:flex-none flex text-right transition {selectedTab ===
 					'addons'
@@ -859,14 +889,73 @@
 							</div>
 						</div>
 					</div>
+				{:else if selectedTab === 'external'}
+					<form
+						class="flex flex-col h-full justify-between space-y-3 text-sm"
+						on:submit|preventDefault={() => {
+							saveSettings({
+								OPENAI_API_KEY: OPENAI_API_KEY !== '' ? OPENAI_API_KEY : undefined,
+								OPENAI_API_BASE_URL: OPENAI_API_BASE_URL !== '' ? OPENAI_API_BASE_URL : undefined
+							});
+							show = false;
+						}}
+					>
+						<div class=" space-y-3">
+							<div>
+								<div class=" mb-2.5 text-sm font-medium">OpenAI API Key</div>
+								<div class="flex w-full">
+									<div class="flex-1">
+										<input
+											class="w-full rounded py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-800 outline-none"
+											placeholder="Enter OpenAI API Key"
+											bind:value={OPENAI_API_KEY}
+											autocomplete="off"
+										/>
+									</div>
+								</div>
+								<div class="mt-2 text-xs text-gray-400 dark:text-gray-500">
+									Adds optional support for online models.
+								</div>
+							</div>
+
+							<hr class=" dark:border-gray-700" />
+
+							<div>
+								<div class=" mb-2.5 text-sm font-medium">OpenAI API Base URL</div>
+								<div class="flex w-full">
+									<div class="flex-1">
+										<input
+											class="w-full rounded py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-800 outline-none"
+											placeholder="Enter OpenAI API Key"
+											bind:value={OPENAI_API_BASE_URL}
+											autocomplete="off"
+										/>
+									</div>
+								</div>
+								<div class="mt-2 text-xs text-gray-400 dark:text-gray-500">
+									WebUI will make requests to <span class=" text-gray-200"
+										>'{OPENAI_API_BASE_URL}/chat'</span
+									>
+								</div>
+							</div>
+						</div>
+
+						<div class="flex justify-end pt-3 text-sm font-medium">
+							<button
+								class=" px-4 py-2 bg-emerald-600 hover:bg-emerald-700 text-gray-100 transition rounded"
+								type="submit"
+							>
+								Save
+							</button>
+						</div>
+					</form>
 				{:else if selectedTab === 'addons'}
 					<form
 						class="flex flex-col h-full justify-between space-y-3 text-sm"
 						on:submit|preventDefault={() => {
 							saveSettings({
 								gravatarEmail: gravatarEmail !== '' ? gravatarEmail : undefined,
-								gravatarUrl: gravatarEmail !== '' ? getGravatarURL(gravatarEmail) : undefined,
+								gravatarUrl: gravatarEmail !== '' ? getGravatarURL(gravatarEmail) : undefined
-								OPENAI_API_KEY: OPENAI_API_KEY !== '' ? OPENAI_API_KEY : undefined
 							});
 							show = false;
 						}}
@@ -962,26 +1051,6 @@
 									>
 								</div>
 							</div>
-
-							<hr class=" dark:border-gray-700" />
-							<div>
-								<div class=" mb-2.5 text-sm font-medium">
-									OpenAI API Key <span class=" text-gray-400 text-sm">(optional)</span>
-								</div>
-								<div class="flex w-full">
-									<div class="flex-1">
-										<input
-											class="w-full rounded py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-800 outline-none"
-											placeholder="Enter OpenAI API Key"
-											bind:value={OPENAI_API_KEY}
-											autocomplete="off"
-										/>
-									</div>
-								</div>
-								<div class="mt-2 text-xs text-gray-400 dark:text-gray-500">
-									Adds optional support for 'gpt-*' models available.
-								</div>
-							</div>
 						</div>
 
 						<div class="flex justify-end pt-3 text-sm font-medium">

src/routes/(app)/+layout.svelte

@@ -55,7 +55,9 @@
 		// If OpenAI API Key exists
 		if ($settings.OPENAI_API_KEY) {
 			// Validate OPENAI_API_KEY
-			const openaiModelRes = await fetch(`https://api.openai.com/v1/models`, {
+
+			const API_BASE_URL = $settings.OPENAI_API_BASE_URL ?? 'https://api.openai.com/v1';
+			const openaiModelRes = await fetch(`${API_BASE_URL}/models`, {
 				method: 'GET',
 				headers: {
 					'Content-Type': 'application/json',
@@ -79,8 +81,10 @@
 					? [
 							{ name: 'hr' },
 							...openAIModels
-								.map((model) => ({ name: model.id, label: 'OpenAI' }))
+								.map((model) => ({ name: model.id, external: true }))
-								.filter((model) => model.name.includes('gpt'))
+								.filter((model) =>
+									API_BASE_URL.includes('openai') ? model.name.includes('gpt') : true
+								)
 					  ]
 					: [])
 			);

src/routes/(app)/+page.svelte

@@ -7,7 +7,7 @@
 	import { splitStream } from '$lib/utils';
 	import { goto } from '$app/navigation';
 
-	import { config, modelfiles, user, settings, db, chats, chatId } from '$lib/stores';
+	import { config, models, modelfiles, user, settings, db, chats, chatId } from '$lib/stores';
 
 	import MessageInput from '$lib/components/chat/MessageInput.svelte';
 	import Messages from '$lib/components/chat/Messages.svelte';
@@ -130,7 +130,8 @@
 	const sendPrompt = async (userPrompt, parentId, _chatId) => {
 		await Promise.all(
 			selectedModels.map(async (model) => {
-				if (model.includes('gpt-')) {
+				console.log(model);
+				if ($models.filter((m) => m.name === model)[0].external) {
 					await sendPromptOpenAI(model, userPrompt, parentId, _chatId);
 				} else {
 					await sendPromptOllama(model, userPrompt, parentId, _chatId);
@@ -368,11 +369,15 @@
 
 				window.scrollTo({ top: document.body.scrollHeight });
 
-				const res = await fetch(`https://api.openai.com/v1/chat/completions`, {
+				const res = await fetch(
+					`${$settings.OPENAI_API_BASE_URL ?? 'https://api.openai.com/v1'}/chat/completions`,
+					{
 						method: 'POST',
 						headers: {
+							Authorization: `Bearer ${$settings.OPENAI_API_KEY}`,
 							'Content-Type': 'application/json',
-						Authorization: `Bearer ${$settings.OPENAI_API_KEY}`
+							'HTTP-Referer': `https://ollamahub.com/`,
+							'X-Title': `Ollama WebUI`
 						},
 						body: JSON.stringify({
 							model: model,
@@ -413,8 +418,13 @@
 							num_ctx: $settings.num_ctx ?? undefined,
 							frequency_penalty: $settings.repeat_penalty ?? undefined
 						})
+					}
+				).catch((err) => {
+					console.log(err);
+					return null;
 				});
 
+				if (res && res.ok) {
 					const reader = res.body
 						.pipeThrough(new TextDecoderStream())
 						.pipeThrough(splitStream('\n'))
@@ -454,6 +464,17 @@
 							console.log(error);
 						}
 
+						if ($settings.notificationEnabled && !document.hasFocus()) {
+							const notification = new Notification(`OpenAI ${model}`, {
+								body: responseMessage.content,
+								icon: '/favicon.png'
+							});
+						}
+
+						if ($settings.responseAutoCopy) {
+							copyToClipboard(responseMessage.content);
+						}
+
 						if (autoScroll) {
 							window.scrollTo({ top: document.body.scrollHeight });
 						}
@@ -475,22 +496,36 @@
 							history: history
 						});
 					}
+				} else {
+					if (res !== null) {
+						const error = await res.json();
+						console.log(error);
+						if ('detail' in error) {
+							toast.error(error.detail);
+							responseMessage.content = error.detail;
+						} else {
+							if ('message' in error.error) {
+								toast.error(error.error.message);
+								responseMessage.content = error.error.message;
+							} else {
+								toast.error(error.error);
+								responseMessage.content = error.error;
+							}
+						}
+					} else {
+						toast.error(`Uh-oh! There was an issue connecting to ${model}.`);
+						responseMessage.content = `Uh-oh! There was an issue connecting to ${model}.`;
+					}
+
+					responseMessage.error = true;
+					responseMessage.content = `Uh-oh! There was an issue connecting to ${model}.`;
+					responseMessage.done = true;
+					messages = messages;
+				}
 
 				stopResponseFlag = false;
-
 				await tick();
 
-				if ($settings.notificationEnabled && !document.hasFocus()) {
-					const notification = new Notification(`OpenAI ${model}`, {
-						body: responseMessage.content,
-						icon: '/favicon.png'
-					});
-				}
-
-				if ($settings.responseAutoCopy) {
-					copyToClipboard(responseMessage.content);
-				}
-
 				if (autoScroll) {
 					window.scrollTo({ top: document.body.scrollHeight });
 				}

src/routes/(app)/c/[id]/+page.svelte

@@ -6,7 +6,7 @@
 	import { onMount, tick } from 'svelte';
 	import { convertMessagesToHistory, splitStream } from '$lib/utils';
 	import { goto } from '$app/navigation';
-	import { config, modelfiles, user, settings, db, chats, chatId } from '$lib/stores';
+	import { config, models, modelfiles, user, settings, db, chats, chatId } from '$lib/stores';
 
 	import MessageInput from '$lib/components/chat/MessageInput.svelte';
 	import Messages from '$lib/components/chat/Messages.svelte';
@@ -144,7 +144,8 @@
 	const sendPrompt = async (userPrompt, parentId, _chatId) => {
 		await Promise.all(
 			selectedModels.map(async (model) => {
-				if (model.includes('gpt-')) {
+				console.log(model);
+				if ($models.filter((m) => m.name === model)[0].external) {
 					await sendPromptOpenAI(model, userPrompt, parentId, _chatId);
 				} else {
 					await sendPromptOllama(model, userPrompt, parentId, _chatId);
@@ -382,11 +383,15 @@
 
 				window.scrollTo({ top: document.body.scrollHeight });
 
-				const res = await fetch(`https://api.openai.com/v1/chat/completions`, {
+				const res = await fetch(
+					`${$settings.OPENAI_API_BASE_URL ?? 'https://api.openai.com/v1'}/chat/completions`,
+					{
 						method: 'POST',
 						headers: {
+							Authorization: `Bearer ${$settings.OPENAI_API_KEY}`,
 							'Content-Type': 'application/json',
-						Authorization: `Bearer ${$settings.OPENAI_API_KEY}`
+							'HTTP-Referer': `https://ollamahub.com/`,
+							'X-Title': `Ollama WebUI`
 						},
 						body: JSON.stringify({
 							model: model,
@@ -427,8 +432,13 @@
 							num_ctx: $settings.num_ctx ?? undefined,
 							frequency_penalty: $settings.repeat_penalty ?? undefined
 						})
+					}
+				).catch((err) => {
+					console.log(err);
+					return null;
 				});
 
+				if (res && res.ok) {
 					const reader = res.body
 						.pipeThrough(new TextDecoderStream())
 						.pipeThrough(splitStream('\n'))
@@ -468,6 +478,17 @@
 							console.log(error);
 						}
 
+						if ($settings.notificationEnabled && !document.hasFocus()) {
+							const notification = new Notification(`OpenAI ${model}`, {
+								body: responseMessage.content,
+								icon: '/favicon.png'
+							});
+						}
+
+						if ($settings.responseAutoCopy) {
+							copyToClipboard(responseMessage.content);
+						}
+
 						if (autoScroll) {
 							window.scrollTo({ top: document.body.scrollHeight });
 						}
@@ -489,22 +510,36 @@
 							history: history
 						});
 					}
+				} else {
+					if (res !== null) {
+						const error = await res.json();
+						console.log(error);
+						if ('detail' in error) {
+							toast.error(error.detail);
+							responseMessage.content = error.detail;
+						} else {
+							if ('message' in error.error) {
+								toast.error(error.error.message);
+								responseMessage.content = error.error.message;
+							} else {
+								toast.error(error.error);
+								responseMessage.content = error.error;
+							}
+						}
+					} else {
+						toast.error(`Uh-oh! There was an issue connecting to ${model}.`);
+						responseMessage.content = `Uh-oh! There was an issue connecting to ${model}.`;
+					}
+
+					responseMessage.error = true;
+					responseMessage.content = `Uh-oh! There was an issue connecting to ${model}.`;
+					responseMessage.done = true;
+					messages = messages;
+				}
 
 				stopResponseFlag = false;
-
 				await tick();
 
-				if ($settings.notificationEnabled && !document.hasFocus()) {
-					const notification = new Notification(`OpenAI ${model}`, {
-						body: responseMessage.content,
-						icon: '/favicon.png'
-					});
-				}
-
-				if ($settings.responseAutoCopy) {
-					copyToClipboard(responseMessage.content);
-				}
-
 				if (autoScroll) {
 					window.scrollTo({ top: document.body.scrollHeight });
 				}