Files
higress/plugins/wasm-go/mcp-servers/amap-tools/tools/maps_geo.go
2025-03-29 20:28:10 +08:00

111 lines
3.5 KiB
Go

// Copyright (c) 2022 Alibaba Group Holding Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package tools
import (
"encoding/json"
"errors"
"fmt"
"net/http"
"net/url"
"amap-tools/config"
"github.com/alibaba/higress/plugins/wasm-go/pkg/mcp/server"
"github.com/alibaba/higress/plugins/wasm-go/pkg/mcp/utils"
)
var _ server.Tool = GeoRequest{}
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 server.ToInputSchema(&GeoRequest{})
}
func (t GeoRequest) Create(params []byte) server.Tool {
request := &GeoRequest{}
json.Unmarshal(params, &request)
return request
}
func (t GeoRequest) Call(ctx server.HttpContext, s server.Server) error {
serverConfig := &config.AmapServerConfig{}
s.GetConfig(serverConfig)
if serverConfig.ApiKey == "" {
return errors.New("amap API-KEY is not configured")
}
apiKey := serverConfig.ApiKey
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 {
utils.OnMCPToolCallError(ctx, 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 {
utils.OnMCPToolCallError(ctx, fmt.Errorf("failed to parse geo response: %v", err))
return
}
if response.Status != "1" {
utils.OnMCPToolCallError(ctx, 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)
utils.SendMCPToolTextResult(ctx, string(result))
})
}