yanic/output/geojson/geojson.go

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package geojson
import (
"strconv"
"strings"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/paulmach/go.geojson"
)
const (
POINT_UMAP_CLASS = "Circle"
POINT_UMAP_ONLINE_COLOR = "Green"
POINT_UMAP_OFFLINE_COLOR = "Red"
)
func newNodePoint(n *runtime.Node) (point *geojson.Feature) {
nodeinfo := n.Nodeinfo
location := nodeinfo.Location
point = geojson.NewPointFeature([]float64{
location.Longitude,
location.Latitude,
})
point.Properties["id"] = nodeinfo.NodeID
point.Properties["name"] = nodeinfo.Hostname
point.Properties["online"] = n.Online
var description strings.Builder
if n.Online {
description.WriteString("Online\n")
if statistics := n.Statistics; statistics != nil {
point.Properties["clients"] = statistics.Clients.Total
description.WriteString("Clients: " + strconv.Itoa(int(statistics.Clients.Total)) + "\n")
}
} else {
description.WriteString("Offline\n")
}
if nodeinfo.Hardware.Model != "" {
point.Properties["model"] = nodeinfo.Hardware.Model
description.WriteString("Model: " + nodeinfo.Hardware.Model + "\n")
}
if fw := nodeinfo.Software.Firmware; fw.Release != "" {
point.Properties["firmware"] = fw.Release
description.WriteString("Firmware: " + fw.Release + "\n")
}
if nodeinfo.System.SiteCode != "" {
point.Properties["site"] = nodeinfo.System.SiteCode
description.WriteString("Site: " + nodeinfo.System.SiteCode + "\n")
}
if nodeinfo.System.DomainCode != "" {
point.Properties["domain"] = nodeinfo.System.DomainCode
description.WriteString("Domain: " + nodeinfo.System.DomainCode + "\n")
}
if owner := nodeinfo.Owner; owner != nil && owner.Contact != "" {
point.Properties["contact"] = owner.Contact
description.WriteString("Contact: " + owner.Contact + "\n")
}
point.Properties["description"] = description.String()
point.Properties["_umap_options"] = getUMapOptions(n)
return
}
func getUMapOptions(n *runtime.Node) map[string]string {
result := map[string]string{
"iconClass": POINT_UMAP_CLASS,
}
if n.Online {
result["color"] = POINT_UMAP_ONLINE_COLOR
} else {
result["color"] = POINT_UMAP_OFFLINE_COLOR
}
return result
}
func transform(nodes *runtime.Nodes) *geojson.FeatureCollection {
nodelist := geojson.NewFeatureCollection()
for _, n := range nodes.List {
if n.Nodeinfo == nil || n.Nodeinfo.Location == nil {
continue
}
point := newNodePoint(n)
if point != nil {
nodelist.Features = append(nodelist.Features, point)
}
}
return nodelist
}