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func (r *queryResolver) ChatRoom(ctx context.Context, id string) (*model.ChatRoom, error) { | |
if t, ok := r.ChatRooms[id]; ok { | |
return &t, nil | |
} | |
return nil, errors.New("chat room not found") | |
} |
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srv := handler.NewDefaultServer(generated.NewExecutableSchema(graph.NewResolver())) |
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func (r *chatRoomResolver) MessagesConnection(ctx context.Context, | |
obj *model.ChatRoom, first *int, after *string) (*model.MessagesConnection, error) { | |
panic(fmt.Errorf("not implemented")) | |
} | |
func (r *queryResolver) ChatRoom(ctx context.Context, id string) (*model.ChatRoom, error) { | |
panic(fmt.Errorf("not implemented")) | |
} |
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package model | |
type ChatRoom struct { | |
ID string | |
Name string | |
} |
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package model | |
type ChatRoom struct { | |
ID string `json:"id"` | |
MessagesConnection *MessagesConnection `json:"messagesConnection"` | |
} | |
type Message struct { | |
ID string `json:"id"` | |
Text *string `json:"text"` |
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type Message { | |
id: ID! | |
text: String | |
} | |
type ChatRoom { | |
id: ID! | |
name: String | |
messagesConnection: # this is what we're going to implement | |
} |
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import { relayStylePagination } from '@apollo/client/utilities' | |
const client = new ApolloClient({ | |
uri: 'http://localhost:4000/query', | |
cache: new InMemoryCache({ | |
typePolicies: { | |
ChatRoom: { | |
fields: { | |
messagesConnection: relayStylePagination(), | |
}, |
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query { | |
chatRoom(id: 1) { | |
id | |
name | |
messagesConnection(first: 10) { | |
edges { | |
node { | |
id | |
text | |
} |
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func (r *chatRoomResolver) MessagesConnection(ctx context.Context, obj *model.ChatRoom, | |
first *int, after *string) (*model.MessagesConnection, error) { | |
// The cursor is base64 encoded by convention, so we need to decode it first | |
var decodedCursor string | |
if after != nil { | |
b, err := base64.StdEncoding.DecodeString(*after) | |
if err != nil { | |
return nil, err | |
} |
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package graph | |
import ( | |
"fmt" | |
"math/rand" | |
"strconv" | |
"time" | |
"github.com/kabece/gqlgen-chatroom/graph/generated" | |
"github.com/kabece/gqlgen-chatroom/graph/model" |
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