-
-
Notifications
You must be signed in to change notification settings - Fork 24
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #36 from eban12/main
Code refactor and bug fixes
- Loading branch information
Showing
9 changed files
with
190 additions
and
194 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| import 'package:arxiv/models/chat_message.dart'; | ||
| import 'package:arxiv/models/paper.dart'; | ||
| import 'package:google_generative_ai/google_generative_ai.dart'; | ||
| import 'package:flutter/services.dart' show rootBundle; | ||
|
|
||
| class Gemini { | ||
| late final GenerativeModel _model; | ||
| late final ChatSession _chatSession; | ||
|
|
||
| Gemini._internal(String apiKey, String systemPrompt) { | ||
| _model = GenerativeModel( | ||
| apiKey: apiKey, | ||
| model: 'gemini-1.5-flash', | ||
| systemInstruction: Content.system(systemPrompt), | ||
| generationConfig: GenerationConfig( | ||
| temperature: 1, | ||
| topK: 64, | ||
| topP: 0.95, | ||
| maxOutputTokens: 8192, | ||
| responseMimeType: 'text/plain', | ||
| ), | ||
| ); | ||
|
|
||
| _chatSession = _model.startChat(); | ||
| } | ||
|
|
||
| static Future<Gemini> newModel(String apiKey, {Paper? paper}) async { | ||
| final systemPrompt = paper != null | ||
| ? await _getModelSystemMessage(paper) | ||
| : await _getGeneralSystemMessage(); | ||
| return Gemini._internal(apiKey, systemPrompt); | ||
| } | ||
|
|
||
| Future<ChatMessage> sendMessage(String message) async { | ||
| try { | ||
| var content = Content.text(message); | ||
| var response = await _chatSession.sendMessage(content); | ||
| return ChatMessage(Role.ai, response.text?.trim() ?? ""); | ||
| } catch (e) { | ||
| return ChatMessage(Role.ai, e.toString()); | ||
| } | ||
| } | ||
|
|
||
| static Future<String> _getModelSystemMessage(Paper paper) async { | ||
| var substitutes = { | ||
| 'paperId': paper.id, | ||
| 'paperTitle': paper.title, | ||
| 'paperAuthors': paper.authors, | ||
| 'paperPublishedDate': paper.publishedAt, | ||
| 'paperSummary': paper.summary, | ||
| }; | ||
|
|
||
| return await _fromTemplateFile( | ||
| 'assets/system_message_templates/model.txt', substitutes); | ||
| } | ||
|
|
||
| static Future<String> _getGeneralSystemMessage() async { | ||
| return await _fromTemplateFile( | ||
| 'assets/system_message_templates/general.txt', {}); | ||
| } | ||
|
|
||
| /// Interpolates values to a text read from a file. The format for a placeholder is {{some_name}}. | ||
| static Future<String> _fromTemplateFile( | ||
| String fileName, Map<String, dynamic> substitutes) async { | ||
| var template = await rootBundle.loadString(fileName); | ||
| return template.splitMapJoin(RegExp('{{.*?}}'), | ||
| onMatch: (m) => substitutes[_getPlaceholderName(m.group(0))] ?? ''); | ||
| } | ||
|
|
||
| static String _getPlaceholderName(String? placeholderTemplate) { | ||
| if (placeholderTemplate == null) return ''; | ||
|
|
||
| return placeholderTemplate.substring(2, placeholderTemplate.length - 2); | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| enum Role { ai, user, system } | ||
|
|
||
| class ChatMessage { | ||
| Role role; | ||
| String content; | ||
|
|
||
| ChatMessage(this.role, this.content); | ||
| } |
Oops, something went wrong.