Files
higress/plugins/wasm-go/mcp-servers/amap-tools/tools/maps_geo.go
2025-03-25 21:20:36 +08:00

101 lines
3.0 KiB
Go

package tools
import (
"encoding/json"
"fmt"
"net/http"
"net/url"
"amap-tools/server"
"github.com/alibaba/higress/plugins/wasm-go/pkg/log"
"github.com/alibaba/higress/plugins/wasm-go/pkg/wrapper"
)
type GeoRequest struct {
Address string `json:"address" jsonschema_description:"待解析的结构化地址信息"`
City string `json:"city" jsonschema_description:"指定查询的城市"`
}
func (t GeoRequest) Description() string {
return "将详细的结构化地址转换为经纬度坐标。支持对地标性名胜景区、建筑物名称解析为经纬度坐标"
}
func (t GeoRequest) InputSchema() map[string]any {
return wrapper.ToInputSchema(&GeoRequest{})
}
func (t GeoRequest) Create(params []byte) wrapper.MCPTool[server.AmapMCPServer] {
request := &GeoRequest{}
json.Unmarshal(params, &request)
return request
}
func (t GeoRequest) Call(ctx wrapper.HttpContext, config server.AmapMCPServer) error {
err := server.ParseFromRequest(ctx, &config)
if err != nil {
log.Errorf("parse config from request failed, err:%s", err)
return err
}
err = config.ConfigHasError()
if err != nil {
return err
}
apiKey := config.ApiKey
if apiKey == "" {
return fmt.Errorf("amap API-KEY is not set")
}
url := fmt.Sprintf("https://restapi.amap.com/v3/geocode/geo?key=%s&address=%s&city=%s&source=ts_mcp", apiKey, url.QueryEscape(t.Address), url.QueryEscape(t.City))
return ctx.RouteCall(http.MethodGet, url,
[][2]string{{"Accept", "application/json"}}, nil, func(statusCode int, responseHeaders http.Header, responseBody []byte) {
if statusCode != http.StatusOK {
ctx.OnMCPToolCallError(fmt.Errorf("geo call failed, status: %d", statusCode))
return
}
var response struct {
Status string `json:"status"`
Info string `json:"info"`
Geocodes []struct {
Country string `json:"country"`
Province string `json:"province"`
City string `json:"city"`
Citycode string `json:"citycode"`
District string `json:"district"`
Street string `json:"street"`
Number string `json:"number"`
Adcode string `json:"adcode"`
Location string `json:"location"`
Level string `json:"level"`
} `json:"geocodes"`
}
err := json.Unmarshal(responseBody, &response)
if err != nil {
ctx.OnMCPToolCallError(fmt.Errorf("failed to parse geo response: %v", err))
return
}
if response.Status != "1" {
ctx.OnMCPToolCallError(fmt.Errorf("geo failed: %s", response.Info))
return
}
var results []map[string]string
for _, geo := range response.Geocodes {
result := map[string]string{
"country": geo.Country,
"province": geo.Province,
"city": geo.City,
"citycode": geo.Citycode,
"district": geo.District,
"street": geo.Street,
"number": geo.Number,
"adcode": geo.Adcode,
"location": geo.Location,
"level": geo.Level,
}
results = append(results, result)
}
result, _ := json.Marshal(results)
ctx.SendMCPToolTextResult(string(result))
})
}