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88 lines
2.9 KiB
Go
88 lines
2.9 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 WalkingRequest struct {
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Origin string `json:"origin" jsonschema_description:"出发点经度，纬度，坐标格式为：经度，纬度"`
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Destination string `json:"destination" jsonschema_description:"目的地经纬度，坐标格式为：经度，纬度"`
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}
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func (t WalkingRequest) Description() string {
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return "步行路径规划 API 可以根据输入起点终点经纬度坐标规划100km 以内的步行通勤方案，并且返回通勤方案的数据"
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}
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func (t WalkingRequest) InputSchema() map[string]any {
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return wrapper.ToInputSchema(&WalkingRequest{})
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}
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func (t WalkingRequest) Create(params []byte) wrapper.MCPTool[server.AmapMCPServer] {
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request := &WalkingRequest{}
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json.Unmarshal(params, &request)
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return request
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}
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func (t WalkingRequest) 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/direction/walking?key=%s&origin=%s&destination=%s&source=ts_mcp", apiKey, url.QueryEscape(t.Origin), url.QueryEscape(t.Destination))
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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("walking 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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Route struct {
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Origin string `json:"origin"`
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Destination string `json:"destination"`
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Paths []struct {
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Distance string `json:"distance"`
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Duration string `json:"duration"`
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Steps []struct {
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Instruction string `json:"instruction"`
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Road string `json:"road"`
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Distance string `json:"distance"`
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Orientation string `json:"orientation"`
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Duration string `json:"duration"`
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} `json:"steps"`
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} `json:"paths"`
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} `json:"route"`
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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 walking 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("walking failed: %s", response.Info))
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return
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}
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result := fmt.Sprintf(`{"origin": "%s", "destination": "%s", "paths": %s}`, response.Route.Origin, response.Route.Destination, string(responseBody))
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ctx.SendMCPToolTextResult(result)
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})
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} |