338 lines
11 KiB
Dart
338 lines
11 KiB
Dart
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import '../models/speaking_scenario.dart';
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/// 口语练习静态数据
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class SpeakingStaticData {
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static final List<SpeakingTask> _tasks = [
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// 日常对话场景
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SpeakingTask(
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id: 'daily_001',
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title: '自我介绍',
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description: '学习如何进行基本的自我介绍',
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scenario: SpeakingScenario.dailyConversation,
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difficulty: SpeakingDifficulty.beginner,
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objectives: [
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'能够清晰地介绍自己的姓名、年龄和职业',
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'掌握基本的问候语和礼貌用语',
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'学会询问他人的基本信息',
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],
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keyPhrases: [
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'My name is...',
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'I am from...',
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'I work as...',
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'Nice to meet you',
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'How about you?',
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],
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backgroundInfo: '在日常生活中，自我介绍是最基本的社交技能。无论是在工作场合还是社交聚会，都需要用到这项技能。',
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estimatedDuration: 10,
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isRecommended: true,
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createdAt: DateTime.now().subtract(const Duration(days: 30)),
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updatedAt: DateTime.now().subtract(const Duration(days: 30)),
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),
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SpeakingTask(
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id: 'daily_002',
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title: '询问方向',
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description: '学习如何询问和指示方向',
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scenario: SpeakingScenario.dailyConversation,
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difficulty: SpeakingDifficulty.elementary,
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objectives: [
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'能够礼貌地询问方向',
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'理解和给出简单的方向指示',
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'掌握常用的地点和方向词汇',
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],
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keyPhrases: [
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'Excuse me, where is...?',
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'How can I get to...?',
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'Go straight',
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'Turn left/right',
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'It\'s on your left/right',
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],
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estimatedDuration: 15,
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createdAt: DateTime.now().subtract(const Duration(days: 25)),
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updatedAt: DateTime.now().subtract(const Duration(days: 25)),
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),
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// 商务会议场景
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SpeakingTask(
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id: 'business_001',
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title: '会议开场',
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description: '学习如何主持和参与会议开场',
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scenario: SpeakingScenario.businessMeeting,
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difficulty: SpeakingDifficulty.intermediate,
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objectives: [
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'能够正式地开始会议',
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'介绍会议议程和参与者',
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'掌握商务会议的基本礼仪',
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],
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keyPhrases: [
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'Let\'s get started',
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'Today\'s agenda includes...',
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'I\'d like to introduce...',
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'The purpose of this meeting is...',
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'Any questions before we begin?',
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],
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backgroundInfo: '商务会议是职场中重要的沟通方式，掌握会议开场技巧能够提升专业形象。',
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estimatedDuration: 20,
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isRecommended: true,
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createdAt: DateTime.now().subtract(const Duration(days: 20)),
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updatedAt: DateTime.now().subtract(const Duration(days: 20)),
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),
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SpeakingTask(
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id: 'business_002',
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title: '产品介绍',
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description: '学习如何向客户介绍产品',
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scenario: SpeakingScenario.businessMeeting,
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difficulty: SpeakingDifficulty.upperIntermediate,
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objectives: [
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'能够清晰地描述产品特点',
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'强调产品的优势和价值',
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'回答客户的疑问',
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],
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keyPhrases: [
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'Our product features...',
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'The main benefit is...',
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'This will help you...',
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'Compared to competitors...',
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'Would you like to know more about...?',
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],
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estimatedDuration: 25,
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createdAt: DateTime.now().subtract(const Duration(days: 18)),
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updatedAt: DateTime.now().subtract(const Duration(days: 18)),
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),
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// 求职面试场景
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SpeakingTask(
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id: 'interview_001',
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title: '面试自我介绍',
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description: '学习面试中的专业自我介绍',
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scenario: SpeakingScenario.jobInterview,
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difficulty: SpeakingDifficulty.intermediate,
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objectives: [
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'能够简洁有力地介绍自己',
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'突出相关工作经验和技能',
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'展现对职位的兴趣和热情',
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],
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keyPhrases: [
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'I have X years of experience in...',
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'My background includes...',
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'I\'m particularly skilled at...',
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'I\'m excited about this opportunity because...',
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'I believe I would be a good fit because...',
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],
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backgroundInfo: '面试自我介绍是求职过程中的关键环节，需要在短时间内给面试官留下深刻印象。',
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estimatedDuration: 15,
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isRecommended: true,
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createdAt: DateTime.now().subtract(const Duration(days: 15)),
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updatedAt: DateTime.now().subtract(const Duration(days: 15)),
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),
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// 购物场景
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SpeakingTask(
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id: 'shopping_001',
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title: '服装购买',
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description: '学习在服装店购物的对话',
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scenario: SpeakingScenario.shopping,
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difficulty: SpeakingDifficulty.elementary,
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objectives: [
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'能够询问商品信息',
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'表达对尺寸和颜色的需求',
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'进行价格谈判和付款',
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],
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keyPhrases: [
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'Do you have this in size...?',
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'Can I try this on?',
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'How much does this cost?',
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'Do you accept credit cards?',
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'I\'ll take it',
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],
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estimatedDuration: 12,
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createdAt: DateTime.now().subtract(const Duration(days: 12)),
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updatedAt: DateTime.now().subtract(const Duration(days: 12)),
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),
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// 餐厅场景
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SpeakingTask(
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id: 'restaurant_001',
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title: '餐厅点餐',
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description: '学习在餐厅点餐的完整流程',
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scenario: SpeakingScenario.restaurant,
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difficulty: SpeakingDifficulty.elementary,
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objectives: [
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'能够预订餐桌',
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'阅读菜单并点餐',
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'处理特殊饮食要求',
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],
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keyPhrases: [
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'I\'d like to make a reservation',
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'Can I see the menu?',
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'I\'ll have the...',
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'I\'m allergic to...',
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'Could I get the check, please?',
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],
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estimatedDuration: 18,
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createdAt: DateTime.now().subtract(const Duration(days: 10)),
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updatedAt: DateTime.now().subtract(const Duration(days: 10)),
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),
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// 旅行场景
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SpeakingTask(
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id: 'travel_001',
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title: '机场办理登机',
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description: '学习在机场办理登机手续',
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scenario: SpeakingScenario.travel,
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difficulty: SpeakingDifficulty.intermediate,
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objectives: [
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'能够办理登机手续',
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'处理行李托运',
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'询问航班信息',
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],
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keyPhrases: [
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'I\'d like to check in',
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'Here\'s my passport',
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'I have one bag to check',
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'What gate is my flight?',
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'What time is boarding?',
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],
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backgroundInfo: '机场是国际旅行的重要场所，掌握相关英语对话能够让旅行更加顺利。',
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estimatedDuration: 20,
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createdAt: DateTime.now().subtract(const Duration(days: 8)),
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updatedAt: DateTime.now().subtract(const Duration(days: 8)),
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),
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// 学术讨论场景
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SpeakingTask(
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id: 'academic_001',
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title: '课堂讨论',
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description: '学习参与学术课堂讨论',
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scenario: SpeakingScenario.academic,
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difficulty: SpeakingDifficulty.advanced,
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objectives: [
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'能够表达学术观点',
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'进行逻辑性论证',
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'礼貌地反驳不同观点',
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],
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keyPhrases: [
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'In my opinion...',
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'The evidence suggests...',
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'I disagree because...',
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'That\'s an interesting point, however...',
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'Could you elaborate on...?',
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],
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estimatedDuration: 30,
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createdAt: DateTime.now().subtract(const Duration(days: 5)),
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updatedAt: DateTime.now().subtract(const Duration(days: 5)),
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),
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// 社交聚会场景
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SpeakingTask(
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id: 'social_001',
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title: '聚会闲聊',
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description: '学习在社交聚会中的轻松对话',
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scenario: SpeakingScenario.socializing,
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difficulty: SpeakingDifficulty.intermediate,
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objectives: [
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'能够进行轻松的闲聊',
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'分享个人兴趣和经历',
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'保持对话的自然流畅',
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],
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keyPhrases: [
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'How do you know the host?',
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'What do you do for fun?',
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'Have you been here before?',
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'That sounds interesting!',
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'I should probably get going',
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],
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estimatedDuration: 15,
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createdAt: DateTime.now().subtract(const Duration(days: 3)),
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updatedAt: DateTime.now().subtract(const Duration(days: 3)),
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),
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// 演讲展示场景
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SpeakingTask(
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id: 'presentation_001',
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title: '产品演示',
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description: '学习进行产品演示和展示',
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scenario: SpeakingScenario.presentation,
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difficulty: SpeakingDifficulty.advanced,
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objectives: [
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'能够结构化地组织演示内容',
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'使用视觉辅助工具',
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'处理观众的问题和反馈',
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],
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keyPhrases: [
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'Today I\'ll be presenting...',
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'As you can see in this slide...',
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'Let me demonstrate...',
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'Are there any questions?',
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'Thank you for your attention',
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],
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backgroundInfo: '产品演示是商务环境中的重要技能，需要结合专业知识和演讲技巧。',
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estimatedDuration: 35,
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isRecommended: true,
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createdAt: DateTime.now().subtract(const Duration(days: 1)),
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updatedAt: DateTime.now().subtract(const Duration(days: 1)),
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),
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];
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/// 获取所有任务
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static List<SpeakingTask> getAllTasks() {
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return List.from(_tasks);
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}
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/// 根据场景获取任务
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static List<SpeakingTask> getTasksByScenario(SpeakingScenario scenario) {
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return _tasks.where((task) => task.scenario == scenario).toList();
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}
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/// 根据难度获取任务
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static List<SpeakingTask> getTasksByDifficulty(SpeakingDifficulty difficulty) {
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return _tasks.where((task) => task.difficulty == difficulty).toList();
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}
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/// 获取推荐任务
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static List<SpeakingTask> getRecommendedTasks() {
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return _tasks.where((task) => task.isRecommended).toList();
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}
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/// 获取最近任务
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static List<SpeakingTask> getRecentTasks() {
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final sortedTasks = List<SpeakingTask>.from(_tasks);
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sortedTasks.sort((a, b) => b.updatedAt.compareTo(a.updatedAt));
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return sortedTasks.take(5).toList();
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}
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/// 获取热门任务（按完成次数排序）
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static List<SpeakingTask> getPopularTasks() {
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final sortedTasks = List<SpeakingTask>.from(_tasks);
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sortedTasks.sort((a, b) => b.completionCount.compareTo(a.completionCount));
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return sortedTasks.take(5).toList();
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}
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/// 根据ID获取任务
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static SpeakingTask? getTaskById(String id) {
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try {
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return _tasks.firstWhere((task) => task.id == id);
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} catch (e) {
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return null;
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}
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}
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/// 获取场景统计
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static Map<SpeakingScenario, int> getScenarioStats() {
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final stats = <SpeakingScenario, int>{};
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for (final scenario in SpeakingScenario.values) {
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stats[scenario] = _tasks.where((task) => task.scenario == scenario).length;
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}
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return stats;
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}
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/// 获取难度统计
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static Map<SpeakingDifficulty, int> getDifficultyStats() {
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final stats = <SpeakingDifficulty, int>{};
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for (final difficulty in SpeakingDifficulty.values) {
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stats[difficulty] = _tasks.where((task) => task.difficulty == difficulty).length;
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}
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return stats;
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}
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}
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