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server.go
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server.go
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package main
import (
"github.com/OscarYuen/go-graphql-example/conf"
"github.com/OscarYuen/go-graphql-example/model"
"github.com/OscarYuen/go-graphql-example/schema"
"log"
"net/http"
"github.com/neelance/graphql-go"
"github.com/neelance/graphql-go/relay"
)
var gschema *graphql.Schema
func init() {
gschema = graphql.MustParseSchema(schema.GetRootSchema(), &schema.Resolver{})
}
func main() {
db := conf.ConnectDB()
schema.SetDatabase(db)
// Migrate the schema
db.AutoMigrate(&model.User{})
http.Handle("/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write(page)
}))
http.Handle("/query", &relay.Handler{Schema: gschema})
log.Fatal(http.ListenAndServe(":3000", nil))
}
var page = []byte(`
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/graphiql/0.10.2/graphiql.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/1.1.0/fetch.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.5.4/react.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.5.4/react-dom.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/graphiql/0.10.2/graphiql.js"></script>
</head>
<body style="width: 100%; height: 100%; margin: 0; overflow: hidden;">
<div id="graphiql" style="height: 100vh;">Loading...</div>
<script>
function graphQLFetcher(graphQLParams) {
return fetch("/query", {
method: "post",
body: JSON.stringify(graphQLParams),
credentials: "include",
}).then(function (response) {
return response.text();
}).then(function (responseBody) {
try {
return JSON.parse(responseBody);
} catch (error) {
return responseBody;
}
});
}
ReactDOM.render(
React.createElement(GraphiQL, {fetcher: graphQLFetcher}),
document.getElementById("graphiql")
);
</script>
</body>
</html>
`)