func (api *Api) ServeV1Shape(w http.ResponseWriter, r *http.Request, params httprouter.Params) int {
var ses query.HttpSession
switch params.ByName("query_lang") {
case "gremlin":
ses = gremlin.NewSession(api.ts, api.config.GremlinTimeout, false)
case "mql":
ses = mql.NewSession(api.ts)
default:
return FormatJson400(w, "Need a query language.")
}
bodyBytes, err := ioutil.ReadAll(r.Body)
if err != nil {
return FormatJson400(w, err)
}
code := string(bodyBytes)
result, err := ses.InputParses(code)
switch result {
case query.Parsed:
var output []byte
var err error
output, err = GetQueryShape(code, ses)
if err != nil {
return FormatJson400(w, err)
}
fmt.Fprint(w, string(output))
return 200
case query.ParseFail:
return FormatJson400(w, err)
default:
return FormatJsonError(w, 500, "Incomplete data?")
}
http.Error(w, "", http.StatusNotFound)
return http.StatusNotFound
}
func GetQueryShape(query string, ses query.HttpSession) ([]byte, error) {
c := make(chan map[string]interface{}, 5)
go ses.GetQuery(query, c)
var data map[string]interface{}
for res := range c {
data = res
}
return json.Marshal(data)
}
// TODO(barakmich): Turn this into proper middleware.
func (api *Api) ServeV1Query(w http.ResponseWriter, r *http.Request, params httprouter.Params) int {
var ses query.HttpSession
switch params.ByName("query_lang") {
case "gremlin":
ses = gremlin.NewSession(api.handle.QuadStore, api.config.Timeout, false)
case "mql":
ses = mql.NewSession(api.handle.QuadStore)
default:
return FormatJson400(w, "Need a query language.")
}
bodyBytes, err := ioutil.ReadAll(r.Body)
if err != nil {
return FormatJson400(w, err)
}
code := string(bodyBytes)
result, err := ses.InputParses(code)
switch result {
case query.Parsed:
var output interface{}
var bytes []byte
var err error
output, err = RunJsonQuery(code, ses)
if err != nil {
bytes, err = WrapErrResult(err)
http.Error(w, string(bytes), 400)
ses = nil
return 400
}
bytes, err = WrapResult(output)
if err != nil {
ses = nil
return FormatJson400(w, err)
}
fmt.Fprint(w, string(bytes))
ses = nil
return 200
case query.ParseFail:
ses = nil
return FormatJson400(w, err)
default:
ses = nil
return FormatJsonError(w, 500, "Incomplete data?")
}
}
func RunJsonQuery(query string, ses query.HttpSession) (interface{}, error) {
c := make(chan interface{}, 5)
go ses.ExecInput(query, c, 100)
for res := range c {
ses.BuildJson(res)
}
return ses.GetJson()
}
