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89 lines
2.6 KiB
Go
89 lines
2.6 KiB
Go
package tools
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"net/url"
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"amap-tools/server"
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"github.com/alibaba/higress/plugins/wasm-go/pkg/log"
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"github.com/alibaba/higress/plugins/wasm-go/pkg/wrapper"
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)
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type WeatherRequest struct {
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City string `json:"city" jsonschema_description:"城市名称或者adcode"`
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}
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func (t WeatherRequest) Description() string {
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return "根据城市名称或者标准adcode查询指定城市的天气"
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}
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func (t WeatherRequest) InputSchema() map[string]any {
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return wrapper.ToInputSchema(&WeatherRequest{})
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}
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func (t WeatherRequest) Create(params []byte) wrapper.MCPTool[server.AmapMCPServer] {
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request := &WeatherRequest{}
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json.Unmarshal(params, &request)
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return request
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}
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func (t WeatherRequest) Call(ctx wrapper.HttpContext, config server.AmapMCPServer) error {
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err := server.ParseFromRequest(ctx, &config)
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if err != nil {
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log.Errorf("parse config from request failed, err:%s", err)
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return err
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}
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err = config.ConfigHasError()
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if err != nil {
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return err
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}
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apiKey := config.ApiKey
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if apiKey == "" {
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return fmt.Errorf("amap API-KEY is not set")
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}
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url := fmt.Sprintf("http://restapi.amap.com/v3/weather/weatherInfo?city=%s&key=%s&source=ts_mcp&extensions=all", url.QueryEscape(t.City), apiKey)
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return ctx.RouteCall(http.MethodGet, url,
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[][2]string{{"Accept", "application/json"}}, nil, func(statusCode int, responseHeaders http.Header, responseBody []byte) {
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if statusCode != http.StatusOK {
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ctx.OnMCPToolCallError(fmt.Errorf("weather call failed, status: %d", statusCode))
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return
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}
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var response struct {
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Status string `json:"status"`
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Info string `json:"info"`
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Forecasts []struct {
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City string `json:"city"`
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Casts []struct {
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Date string `json:"date"`
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Week string `json:"week"`
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DayWeather string `json:"dayweather"`
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NightWeather string `json:"nightweather"`
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DayTemp string `json:"daytemp"`
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NightTemp string `json:"nighttemp"`
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DayWind string `json:"daywind"`
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NightWind string `json:"nightwind"`
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DayPower string `json:"daypower"`
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NightPower string `json:"nightpower"`
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Humidity string `json:"humidity"`
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} `json:"casts"`
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} `json:"forecasts"`
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}
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err := json.Unmarshal(responseBody, &response)
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if err != nil {
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ctx.OnMCPToolCallError(fmt.Errorf("failed to parse weather response: %v", err))
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return
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}
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if response.Status != "1" {
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ctx.OnMCPToolCallError(fmt.Errorf("weather failed: %s", response.Info))
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return
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}
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forecasts := response.Forecasts[0]
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result := fmt.Sprintf(`{"city": "%s", "forecasts": %s}`, forecasts.City, string(responseBody))
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ctx.SendMCPToolTextResult(result)
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})
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} |