added serverside filtering of routes

backend/api.go

@@ -215,13 +215,16 @@ func apiRoutesListReceived(
 		return nil, err
 	}
 
+	// Filter routes based on criteria if present
+	routes := apiQueryFilterNextHopGateway(req, "q", result.Imported)
+
 	// Paginate results
 	// TODO: get pageSize from config
 	page := apiQueryMustInt(req, "page", 0)
 	pageSize := 200
+	routes, pagination := apiPaginateRoutes(routes, page, pageSize)
 
 	// Make paginated response
-	routes, pagination := apiPaginateRoutes(result.Imported, page, pageSize)
 	response := api.PaginatedRoutesResponse{
 		RoutesResponse: &api.RoutesResponse{
 			Api:      result.Api,
@@ -249,13 +252,16 @@ func apiRoutesListFiltered(
 		return nil, err
 	}
 
+	// Filter routes based on criteria if present
+	routes := apiQueryFilterNextHopGateway(req, "q", result.Filtered)
+
 	// Paginate results
 	// TODO: get pageSize from config
 	page := apiQueryMustInt(req, "page", 0)
 	pageSize := 200
+	routes, pagination := apiPaginateRoutes(routes, page, pageSize)
 
 	// Make response
-	routes, pagination := apiPaginateRoutes(result.Filtered, page, pageSize)
 	response := api.PaginatedRoutesResponse{
 		RoutesResponse: &api.RoutesResponse{
 			Api:      result.Api,
@@ -283,13 +289,15 @@ func apiRoutesListNotExported(
 		return nil, err
 	}
 
+	routes := apiQueryFilterNextHopGateway(req, "q", result.NotExported)
+
 	// Paginate results
 	// TODO: get pageSize from config
 	page := apiQueryMustInt(req, "page", 0)
 	pageSize := 200
+	routes, pagination := apiPaginateRoutes(routes, page, pageSize)
 
 	// Make response
-	routes, pagination := apiPaginateRoutes(result.NotExported, page, pageSize)
 	response := api.PaginatedRoutesResponse{
 		RoutesResponse: &api.RoutesResponse{
 			Api:         result.Api,

backend/api_query.go

@@ -3,6 +3,9 @@ package main
 import (
 	"net/http"
 	"strconv"
+	"strings"
+
+	"github.com/alice-lg/alice-lg/backend/api"
 )
 
 /*
@@ -27,3 +30,27 @@ func apiQueryMustInt(req *http.Request, param string, defaultValue int) int {
 
 	return value
 }
+
+/*
+Filter response to match query criteria
+*/
+
+func apiQueryFilterNextHopGateway(
+	req *http.Request, param string, routes api.Routes,
+) api.Routes {
+	query := req.URL.Query()
+	q, ok := query[param]
+	if !ok {
+		return routes
+	}
+
+	results := make(api.Routes, 0, len(routes))
+	for _, r := range routes {
+		if strings.HasPrefix(r.Network, q[0]) ||
+			strings.HasPrefix(r.Gateway, q[0]) {
+			results = append(results, r)
+		}
+	}
+
+	return results
+}