-
Notifications
You must be signed in to change notification settings - Fork 5
/
ChangeTodoStatusMutation.js
84 lines (78 loc) · 1.99 KB
/
ChangeTodoStatusMutation.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
// @flow
/**
* This file provided by Facebook is for non-commercial testing and evaluation
* purposes only. Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
import {
commitMutation,
graphql,
type Disposable,
type Environment,
} from 'react-relay-offline';
import type {Todo_todo} from 'relay/Todo_todo.graphql';
import type {Todo_user} from 'relay/Todo_user.graphql';
import type {
ChangeTodoStatusInput,
ChangeTodoStatusMutationResponse,
} from 'relay/ChangeTodoStatusMutation.graphql';
const mutation = graphql`
mutation ChangeTodoStatusMutation($input: ChangeTodoStatusInput!) {
changeTodoStatus(input: $input) {
todo {
id
complete
}
user {
id
completedCount
}
}
}
`;
function getOptimisticResponse(
complete: boolean,
todo: Todo_todo,
user: Todo_user,
): ChangeTodoStatusMutationResponse {
return {
changeTodoStatus: {
todo: {
complete: complete,
id: todo.id,
},
user: {
id: user.id,
completedCount: complete
? user.completedCount + 1
: user.completedCount - 1,
},
},
};
}
function commit(
environment: Environment,
complete: boolean,
todo: Todo_todo,
user: Todo_user,
): Disposable {
const input: ChangeTodoStatusInput = {
complete,
userId: user.userId,
id: todo.id,
};
return commitMutation(environment, {
mutation,
variables: {
input,
},
optimisticResponse: getOptimisticResponse(complete, todo, user),
});
}
export default {commit};