add: add mcp server amap tools (#1951)

plugins/wasm-go/mcp-servers/amap-tools/tools/maps_direction_driving.go

@@ -0,0 +1,89 @@
+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 DrivingRequest struct {
+	Origin      string `json:"origin" jsonschema_description:"出发点经度，纬度，坐标格式为：经度，纬度"`
+	Destination string `json:"destination" jsonschema_description:"目的地经纬度，坐标格式为：经度，纬度"`
+}
+
+func (t DrivingRequest) Description() string {
+	return "驾车路径规划 API 可以根据用户起终点经纬度坐标规划以小客车、轿车通勤出行的方案，并且返回通勤方案的数据"
+}
+
+func (t DrivingRequest) InputSchema() map[string]any {
+	return wrapper.ToInputSchema(&DrivingRequest{})
+}
+
+func (t DrivingRequest) Create(params []byte) wrapper.MCPTool[server.AmapMCPServer] {
+	request := &DrivingRequest{}
+	json.Unmarshal(params, &request)
+	return request
+}
+
+func (t DrivingRequest) 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("http://restapi.amap.com/v3/direction/driving?key=%s&origin=%s&destination=%s&source=ts_mcp", apiKey, url.QueryEscape(t.Origin), url.QueryEscape(t.Destination))
+	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("driving call failed, status: %d", statusCode))
+				return
+			}
+			var response struct {
+				Status string `json:"status"`
+				Info   string `json:"info"`
+				Route struct {
+					Origin string `json:"origin"`
+					Destination string `json:"destination"`
+					Paths []struct {
+						Path string `json:"path"`
+						Distance string `json:"distance"`
+						Duration string `json:"duration"`
+						Steps []struct {
+							Instruction string `json:"instruction"`
+							Road string `json:"road"`
+							Distance string `json:"distance"`
+							Orientation string `json:"orientation"`
+							Duration string `json:"duration"`
+						} `json:"steps"`
+					} `json:"paths"`
+				} `json:"route"`
+			}
+			err := json.Unmarshal(responseBody, &response)
+			if err != nil {
+				ctx.OnMCPToolCallError(fmt.Errorf("failed to parse driving response: %v", err))
+				return
+			}
+			if response.Status != "1" {
+				ctx.OnMCPToolCallError(fmt.Errorf("driving failed: %s", response.Info))
+				return
+			}
+			result := fmt.Sprintf(`{"origin": "%s", "destination": "%s", "paths": %s}`, response.Route.Origin, response.Route.Destination, string(responseBody))
+			ctx.SendMCPToolTextResult(result)
+		})
+}