140 lines
3.2 KiB
Go
140 lines
3.2 KiB
Go
package tools
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import (
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"ai_scheduler/internal/entitys"
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"context"
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"encoding/json"
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"fmt"
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"math/rand"
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"time"
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)
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// WeatherTool 天气查询工具
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type WeatherTool struct {
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mockData bool
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}
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// NewWeatherTool 创建天气工具
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func NewWeatherTool() *WeatherTool {
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return &WeatherTool{}
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}
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// Name 返回工具名称
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func (w *WeatherTool) Name() string {
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return "get_weather"
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}
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// Description 返回工具描述
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func (w *WeatherTool) Description() string {
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return "获取指定城市的天气信息"
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}
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// Definition 返回工具定义
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func (w *WeatherTool) Definition() entitys.ToolDefinition {
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return entitys.ToolDefinition{
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Type: "function",
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Function: entitys.FunctionDef{
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Name: w.Name(),
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Description: w.Description(),
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Parameters: map[string]interface{}{
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"type": "object",
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"properties": map[string]interface{}{
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"city": map[string]interface{}{
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"type": "string",
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"description": "城市名称，如：北京、上海、广州",
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},
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"unit": map[string]interface{}{
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"type": "string",
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"description": "温度单位，celsius(摄氏度)或fahrenheit(华氏度)",
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"enum": []string{"celsius", "fahrenheit"},
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"default": "celsius",
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},
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},
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"required": []string{"city"},
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},
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},
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}
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}
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// WeatherRequest 天气请求参数
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type WeatherRequest struct {
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City string `json:"city"`
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Unit string `json:"unit,omitempty"`
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}
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// WeatherResponse 天气响应
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type WeatherResponse struct {
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City string `json:"city"`
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Temperature float64 `json:"temperature"`
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Unit string `json:"unit"`
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Condition string `json:"condition"`
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Humidity int `json:"humidity"`
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WindSpeed float64 `json:"wind_speed"`
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Timestamp string `json:"timestamp"`
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}
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// Execute 执行天气查询
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func (w *WeatherTool) Execute(ctx context.Context, args json.RawMessage) (interface{}, error) {
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var req WeatherRequest
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if err := json.Unmarshal(args, &req); err != nil {
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return nil, fmt.Errorf("invalid weather request: %w", err)
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}
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if req.City == "" {
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return nil, fmt.Errorf("city is required")
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}
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if req.Unit == "" {
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req.Unit = "celsius"
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}
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if w.mockData {
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return w.getMockWeather(req.City, req.Unit), nil
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}
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// 这里可以集成真实的天气API
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return w.getMockWeather(req.City, req.Unit), nil
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}
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// getMockWeather 获取模拟天气数据
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func (w *WeatherTool) getMockWeather(city, unit string) *WeatherResponse {
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rand.Seed(time.Now().UnixNano())
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// 模拟不同城市的基础温度
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baseTemp := map[string]float64{
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"北京": 15.0,
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"上海": 18.0,
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"广州": 25.0,
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"深圳": 26.0,
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"杭州": 17.0,
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"成都": 16.0,
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}
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temp := baseTemp[city]
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if temp == 0 {
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temp = 20.0 // 默认温度
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}
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// 添加随机变化
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temp += (rand.Float64() - 0.5) * 10
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// 转换温度单位
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if unit == "fahrenheit" {
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temp = temp*9/5 + 32
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}
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conditions := []string{"晴朗", "多云", "阴天", "小雨", "中雨"}
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condition := conditions[rand.Intn(len(conditions))]
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return &WeatherResponse{
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City: city,
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Temperature: float64(int(temp*10)) / 10, // 保留一位小数
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Unit: unit,
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Condition: condition,
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Humidity: rand.Intn(40) + 40, // 40-80%
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WindSpeed: float64(rand.Intn(20)) + 1.0,
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Timestamp: time.Now().Format("2006-01-02 15:04:05"),
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}
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}
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