refac: prompt variables

src/lib/components/chat/Chat.svelte

@@ -45,7 +45,8 @@
 		promptTemplate,
 		splitStream,
 		sleep,
-		removeDetailsWithReasoning
+		removeDetailsWithReasoning,
+		getPromptVariables
 	} from '$lib/utils';
 
 	import { generateChatCompletion } from '$lib/apis/ollama';
@@ -628,7 +629,7 @@
 		} catch (e) {
 			// Remove the failed doc from the files array
 			files = files.filter((f) => f.name !== url);
-			toast.error(e);
+			toast.error(`${e}`);
 		}
 	};
 
@@ -1558,10 +1559,17 @@
 
 				files: (files?.length ?? 0) > 0 ? files : undefined,
 				tool_ids: selectedToolIds.length > 0 ? selectedToolIds : undefined,
+
 				features: {
 					image_generation: imageGenerationEnabled,
 					web_search: webSearchEnabled
 				},
+				variables: {
+					...getPromptVariables(
+						$user.name,
+						$settings?.userLocation ? await getAndUpdateUserLocation(localStorage.token) : undefined
+					)
+				},
 
 				session_id: $socket?.id,
 				chat_id: $chatId,

src/lib/utils/index.ts

@@ -766,6 +766,19 @@ export const blobToFile = (blob, fileName) => {
 	return file;
 };
 
+export const getPromptVariables = (user_name, user_location) => {
+	return {
+		'{{USER_NAME}}': user_name,
+		'{{USER_LOCATION}}': user_location || 'Unknown',
+		'{{CURRENT_DATETIME}}': getCurrentDateTime(),
+		'{{CURRENT_DATE}}': getFormattedDate(),
+		'{{CURRENT_TIME}}': getFormattedTime(),
+		'{{CURRENT_WEEKDAY}}': getWeekday(),
+		'{{CURRENT_TIMEZONE}}': getUserTimezone(),
+		'{{USER_LANGUAGE}}': localStorage.getItem('locale') || 'en-US'
+	};
+};
+
 /**
  * @param {string} template - The template string containing placeholders.
  * @returns {string} The template string with the placeholders replaced by the prompt.