feat: add systemprompt, closes #8

Author: barisusakli

library.js

@@ -26,6 +26,7 @@ const defaults = {
 	model: 'gpt-3.5-turbo',
 	minimumReputation: 0,
 	allowedGroups: '[]',
+	systemPrompt: 'You are a helpful assistant',
 };
 
 
@@ -227,15 +228,25 @@ async function getMessageIds(roomId, uid, start, stop) {
 	);
 }
 
-async function chatComplete(message) {
+async function chatComplete(messages) {
 	if (!openai) {
 		throw new Error('API not created!');
 	}
-	const isConversation = Array.isArray(message);
-	const { model } = await meta.settings.get('openai');
+	const isConversation = Array.isArray(messages);
+	const { model, systemPrompt } = await getSettings();
+	const conversation = [];
+	if (systemPrompt) {
+		conversation.push({ role: 'system', content: systemPrompt });
+	}
+	if (isConversation) {
+		conversation.push(...messages);
+	} else {
+		conversation.push({ role: 'user', content: messages });
+	}
+
 	const chatCompletion = await openai.chat.completions.create({
 		model: model || 'gpt-3.5-turbo',
-		messages: isConversation ? message : [{ role: 'user', content: message }],
+		messages: conversation,
 	});
 
 	return chatCompletion.choices[0]?.message?.content;

templates/admin/plugins/openai.tpl

@@ -40,7 +40,12 @@
 							<option value="gpt-4">gpt-4</option>
 						</select>
 					</div>
+					<div class="">
+						<label class="form-label" for="systemPrompt">System Prompt</label>
+						<textarea class="form-control" id="systemPrompt" name="systemPrompt" title="System prompt" placeholder="You are a helpful assistant"></textarea>
+					</div>
 				</div>
+
 				<div class="">
 					<h5 class="fw-bold tracking-tight settings-header">Restrictions</h5>