forked from junghao/geonet-rest
/
felt.go
87 lines (75 loc) · 1.9 KB
/
felt.go
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package main
import (
"database/sql"
"errors"
"github.com/GeoNet/web"
"github.com/GeoNet/web/api/apidoc"
"html/template"
"io/ioutil"
"net/http"
)
const (
feltURL = "http://felt.geonet.org.nz/services/reports/"
)
var feltDoc = apidoc.Endpoint{
Title: "Felt",
Description: `Look up Felt Report information.`,
Queries: []*apidoc.Query{
feltD,
},
}
var feltD = &apidoc.Query{
Accept: web.V1GeoJSON,
Title: "Felt",
Description: "Look up Felt Report information about earthquakes",
Example: "/felt/report?publicID=2013p407387",
ExampleHost: exHost,
URI: "/felt/report?publicID=(publicID)",
Required: map[string]template.HTML{
"publicID": `a valid quake ID e.g., <code>2014p715167</code>`,
},
Props: map[string]template.HTML{
"todo": `todo`,
},
}
func felt(w http.ResponseWriter, r *http.Request) {
if err := feltD.CheckParams(r.URL.Query()); err != nil {
web.BadRequest(w, r, err.Error())
return
}
publicID := r.URL.Query().Get("publicID")
var d string
err := db.QueryRow("select publicid FROM qrt.quake_materialized where publicid = $1", publicID).Scan(&d)
if err == sql.ErrNoRows {
web.NotFound(w, r, "invalid publicID: "+publicID)
return
}
if err != nil {
web.ServiceUnavailable(w, r, err)
return
}
res, err := client.Get(feltURL + publicID + ".geojson")
defer res.Body.Close()
if err != nil {
web.ServiceUnavailable(w, r, err)
return
}
b, err := ioutil.ReadAll(res.Body)
if err != nil {
web.ServiceUnavailable(w, r, err)
return
}
// Felt returns a 400 when it should probably be a 404. Tapestry quirk?
switch {
case 200 == res.StatusCode:
web.Ok(w, r, &b)
return
case 4 == res.StatusCode/100:
web.NotFound(w, r, string(b))
return
case 5 == res.StatusCode/500:
web.ServiceUnavailable(w, r, errors.New("error proxying felt resports. Shrug."))
return
}
web.ServiceUnavailable(w, r, errors.New("unknown response from felt."))
}