/
main.go
139 lines (127 loc) · 3.08 KB
/
main.go
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package main
import (
"fmt"
"net/http"
"net/http/httputil"
"google.golang.org/protobuf/encoding/protojson"
"github.com/ii64/protoc-gen-gohttpclient/example/gen"
lib "github.com/ii64/protoc-gen-gohttpclient/lib"
)
var (
debug = true
)
type transport struct {
RoundTripHandler func(*http.Request) (*http.Response, error)
}
func (tr *transport) RoundTrip(req *http.Request) (res *http.Response, err error) {
if f := tr.RoundTripHandler; f != nil {
return f(req)
}
err = fmt.Errorf("roundtrip handler empty")
return
}
func main() {
hclient := &http.Client{}
parentTransport := http.DefaultTransport
hclient.Transport = &transport{
RoundTripHandler: func(req *http.Request) (res *http.Response, err error) {
if bb, err := httputil.DumpRequest(req, true); err == nil && debug {
fmt.Printf("%s\n\n", bb)
}
if res, err = parentTransport.RoundTrip(req); err != nil {
return
}
if bb, err := httputil.DumpResponse(res, true); err == nil && debug {
fmt.Printf("%s\n\n", bb)
}
return
},
}
kcl := gen.NewKitsuServiceHTTPClient(
"https://kitsu.io",
hclient,
lib.WithIgnoreUnknownField,
lib.WithHTTPResponseValidator(func(res *http.Response) error {
if res.StatusCode != 200 {
return fmt.Errorf("status is not 200")
}
return nil
}),
)
mux := http.NewServeMux()
mux.HandleFunc("/s/kitsu/getAnime", func(rw http.ResponseWriter, r *http.Request) {
id := r.URL.Query().Get("id")
respQueryString := r.URL.Query().Get("qstr") != ""
if id == "" {
rw.WriteHeader(400)
return
}
resp, err := kcl.GetAnime(r.Context(), &gen.KitsuAnimeRequest{
Id: id,
})
if err != nil {
rw.WriteHeader(500)
rw.Write([]byte(err.Error()))
return
}
resp.ContentSource = 2
rw.Header().Set("Content-Type", "application/json")
var b []byte
if respQueryString {
b = []byte(resp.QueryString().Encode())
} else {
mo := protojson.MarshalOptions{}
if b, err = mo.Marshal(resp); err != nil {
rw.WriteHeader(500)
return
}
}
rw.Write(b)
})
mux.HandleFunc("/s/kitsu/getAnimeList", func(rw http.ResponseWriter, r *http.Request) {
var (
rLimit string = "5"
rOffset string = "0"
)
if limit := r.URL.Query().Get("limit"); limit != "" {
rLimit = limit
}
if offset := r.URL.Query().Get("offset"); offset != "" {
rOffset = offset
}
respQueryString := r.URL.Query().Get("qstr") != ""
resp, err := kcl.GetAnimeList(r.Context(), &gen.KitsuAnimeListRequest{
Page: map[string]string{
"limit": rLimit,
"offset": rOffset,
},
})
if err != nil {
rw.WriteHeader(500)
rw.Write([]byte(err.Error()))
return
}
resp.ContentSource = 2
rw.Header().Set("Content-Type", "application/json")
var b []byte
if respQueryString {
b = []byte(resp.QueryString().Encode())
} else {
mo := protojson.MarshalOptions{}
if b, err = mo.Marshal(resp); err != nil {
rw.WriteHeader(500)
return
}
}
rw.Write(b)
})
addr := ":8888"
srv := http.Server{
Addr: addr,
Handler: mux,
}
fmt.Printf("HTTP Server listening on %s\n", addr)
if err := srv.ListenAndServe(); err != nil {
panic(err)
}
}