mirror of https://github.com/flutter/samples.git
Eric Windmill
2 years ago
parent
403d3afd41
commit
5dd9fba073
@ -1,51 +0,0 @@
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import 'package:flutter/material.dart';
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class PromptTextInput extends StatelessWidget {
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PromptTextInput({
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super.key,
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required this.onChanged,
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required this.onSendPressed,
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textEditingController,
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}) : _controller = textEditingController ?? TextEditingController();
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final ValueChanged<String> onChanged;
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final VoidCallback onSendPressed;
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final TextEditingController _controller;
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@override
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Widget build(BuildContext context) {
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return Container(
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decoration: BoxDecoration(
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border: Border.all(color: Colors.transparent),
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borderRadius: BorderRadius.circular(40),
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color: Colors.white,
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),
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padding: const EdgeInsets.all(8.0),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Container(
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constraints: BoxConstraints(
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maxWidth: MediaQuery.of(context).size.width - 110,
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),
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 8.0),
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child: TextField(
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maxLines: null,
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controller: _controller,
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decoration: InputDecoration(
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border: InputBorder.none,
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hintText: "Additional context...",
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),
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onChanged: (value) {
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onChanged(value);
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},
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),
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),
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),
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],
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),
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);
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}
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}
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@ -1,71 +0,0 @@
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import 'package:google_generative_ai/google_generative_ai.dart';
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import '../features/prompt/prompt_model.dart';
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/// This code is for visual purposes only. I never actually use it when the app is running.
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const formatting = '''
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Return the recipe as valid JSON using the following structure:
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{
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"id": \$uniqueId,
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"title": \$recipeTitle,
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"ingredients": \$ingredients,
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"description": \$description,
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"instructions": \$instructions,
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"cuisine": \$cuisineType,
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"allergens": \$allergens,
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"servings": \$servings,
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"nutritionInformation": {
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"calories": "\$calories",
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"fat": "\$fat",
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"carbohydrates": "\$carbohydrates",
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"protein": "\$protein",
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},
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}
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uniqueId should be unique and of type String.
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title, description, cuisine, allergens, and servings should be of String type.
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ingredients and instructions should be of type List<String>.
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nutritionInformation should be of type Map<String, String>.
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''';
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class GenerativeAIService {
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static Future<GenerateContentResponse> generateContent(
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GenerativeModel model,
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PromptData prompt,
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) async {
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final imagesParts = [];
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for (var f in prompt.images) {
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final bytes = await (f.readAsBytes());
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imagesParts.add(DataPart('image/jpeg', bytes));
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}
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return await model.generateContent(
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[
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Content.multi([
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TextPart('''
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You are a Cat who's a chef that travels around the world a lot, and your travels inspire recipes.
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Recommend a recipe for me based on the provided image.
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The recipe should only contain real, edible ingredients.
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If the image or images attached don't contain any food items, respond to say that you cannot recommend a recipe with inedible ingredients.
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Adhere to food safety and handling best practices like ensuring that poultry is fully cooked.
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I'm in the mood for the following types of cuisine: ${prompt.cuisines},
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I have the following dietary restrictions: ${prompt.selectedDietaryRestrictions}
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Optionally also include the following ingredients: ${prompt.ingredients}
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After providing the recipe, explain creatively why the recipe is good based on only the ingredients used in the recipe. Tell a short story of a travel experience that inspired the recipe.
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List out any ingredients that are potential allergens.
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Provide a summary of how many people the recipe will serve and the the nutritional information per serving.
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'''),
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for (var text in prompt.additionalTextInputs) TextPart(text),
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TextPart(formatting),
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...imagesParts,
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])
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],
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);
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}
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}
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@ -1,27 +0,0 @@
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import 'dart:convert';
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/// Matches a complete title: 0-10 whitespaces, followed by 1-6 #s, followed by the title text
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final markdownHeadingMatcher =
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RegExp(r'^ {0,10}(#{1,6})(?:[ \x09\x0b\x0c].*?)?(?:\s(#*)\s*)?$');
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/// Matches the #s only
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final headingSyntaxMatcher = RegExp(r'(#{1,6})');
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/// This is VERY naive. For demo purposes only.
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(bool, String) getTitleFromMarkdownRecipe(String markdown) {
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final LineSplitter splitter = LineSplitter();
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final mdCopy = markdown;
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final mdAsLines = splitter.convert(mdCopy);
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final matchingLine = mdAsLines.firstWhere((line) {
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RegExpMatch? match = markdownHeadingMatcher.firstMatch(line);
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return match != null;
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});
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RegExpMatch? match = markdownHeadingMatcher.firstMatch(matchingLine);
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if (match != null) {
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final split = matchingLine.split(headingSyntaxMatcher);
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if (split.length == 1) return (true, split.first);
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return (true, split.last);
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}
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return (false, markdown);
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}
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@ -1,34 +0,0 @@
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import 'package:flutter_test/flutter_test.dart';
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import 'package:gemini_io_talk/util/markdown.dart';
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const testMarkdown = '''
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## Potato Leek Soup
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**Ingredients:**
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- 3 leeks
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- 3 potatoes
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- 1 onion
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- 2 cloves garlic
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- 4 cups vegetable broth
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- 1/2 cup milk
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- 1/4 cup butter
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- 1/4 cup flour
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- 1 teaspoon salt
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- 1/2 teaspoon pepper
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**Instructions:**
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1. In a large pot or Dutch oven, heat the butter over medium heat. Add the leeks, onion, and garlic and cook until softened, about 5 minutes.
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2. Add the potatoes, vegetable broth, salt, and pepper to the pot. Bring to a boil, then reduce heat and simmer for 15 minutes, or until the potatoes are tender.
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3. In a small bowl, whisk together the milk and flour until smooth. Add to the pot and cook, stirring constantly, until the soup has thickened, about 5 minutes.
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4. Serve immediately.
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''';
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main() {
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group('parse recipe from markdown', () {
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test('parses title', () {
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final (gotTitle, title) = getTitleFromMarkdownRecipe(testMarkdown);
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print(title);
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expect(gotTitle, true);
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});
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});
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}
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