/
refserver.go
94 lines (80 loc) · 1.94 KB
/
refserver.go
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package model
import (
"encoding/json"
"net/http"
"net/http/httptest"
"os"
"strings"
)
// jsonschema2go requires that schemas be at URLs, but our data is in-memory,
// so we set up a local http server and then generate URLs on that server. The
// server serves the files defined in the generated references
var referencesServer *httptest.Server
var references ReferencesFile
type ReferencesFile []ReferencesFileEntry
type ReferencesFileEntry struct {
Content json.RawMessage `json:"content"`
Filename string `json:"filename"`
}
func StartReferencesServer() error {
if referencesServer != nil {
return nil
}
file, err := os.ReadFile("../../../../generated/references.json")
if err != nil {
return err
}
err = json.Unmarshal([]byte(file), &references)
if err != nil {
return err
}
referencesServer = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
path := r.URL.Path[1:]
raw := ReferencesServerGet(path)
if raw != nil {
enc := json.NewEncoder(w)
_ = enc.Encode(*raw)
return
}
http.NotFound(w, r)
}))
// for all schemas, update $id to a full URL otherwise JSON tools get upsot
for i, ref := range references {
if !strings.HasPrefix(ref.Filename, "schemas/") {
continue
}
var x map[string]interface{}
err := json.Unmarshal(ref.Content, &x)
if err != nil {
panic(err)
}
x["$id"] = interface{}(referencesServer.URL + x["$id"].(string))
ref.Content, err = json.Marshal(&x)
if err != nil {
panic(err)
}
references[i] = ref
}
return nil
}
func ReferencesServerGet(path string) *json.RawMessage {
if path[:1] == "/" {
path = path[1:]
}
for _, entry := range references {
if entry.Filename == path {
return &entry.Content
}
}
return nil
}
func ReferencesServerUrl(path string) string {
if referencesServer == nil {
panic("schema server not started")
}
sep := ""
if path[:1] != "/" {
sep = "/"
}
return referencesServer.URL + sep + path
}