1//go:generate go tool gqlgen generate
 2
 3// Package graphql contains the root GraphQL http handler
 4package graphql
 5
 6import (
 7	"io"
 8	"net/http"
 9	"time"
10
11	"github.com/99designs/gqlgen/graphql/handler"
12	"github.com/99designs/gqlgen/graphql/handler/extension"
13	"github.com/99designs/gqlgen/graphql/handler/lru"
14	"github.com/99designs/gqlgen/graphql/handler/transport"
15	"github.com/gorilla/websocket"
16	"github.com/vektah/gqlparser/v2/ast"
17
18	"github.com/git-bug/git-bug/api/graphql/graph"
19	"github.com/git-bug/git-bug/api/graphql/resolvers"
20	"github.com/git-bug/git-bug/cache"
21)
22
23// ServerConfig carries server-level configuration that is passed down to
24// GraphQL resolvers. It is constructed once at startup and does not change.
25type ServerConfig struct {
26	// AuthMode is one of "local", "oauth", or "readonly".
27	AuthMode string
28	// OAuthProviders lists the names of enabled OAuth providers, e.g. ["github"].
29	OAuthProviders []string
30}
31
32func NewHandler(mrc *cache.MultiRepoCache, cfg ServerConfig, errorOut io.Writer) http.Handler {
33	rootResolver := resolvers.NewRootResolver(mrc, cfg.AuthMode, cfg.OAuthProviders)
34	config := graph.Config{Resolvers: rootResolver}
35
36	h := handler.New(graph.NewExecutableSchema(config))
37
38	h.AddTransport(transport.Websocket{
39		KeepAlivePingInterval: 10 * time.Second,
40		Upgrader: websocket.Upgrader{
41			CheckOrigin: func(r *http.Request) bool { return true },
42		},
43	})
44	h.AddTransport(transport.Options{})
45	h.AddTransport(transport.GET{})
46	h.AddTransport(transport.POST{})
47	h.AddTransport(transport.MultipartForm{})
48
49	h.SetQueryCache(lru.New[*ast.QueryDocument](1000))
50
51	h.Use(extension.Introspection{})
52	h.Use(extension.AutomaticPersistedQuery{
53		Cache: lru.New[string](100),
54	})
55
56	if errorOut != nil {
57		h.Use(&Tracer{Out: errorOut})
58	}
59
60	return h
61}