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[RFR] Fix handling of deleted references #3216

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merged 9 commits into from
May 14, 2019
Merged

[RFR] Fix handling of deleted references #3216

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2567ed6
[RFR] Fix hanlding of deleted references
djhi May 13, 2019
90cdf13
Handle DELETE_MANY
djhi May 13, 2019
d1008a2
Review
djhi May 13, 2019
2034e26
Review 2
djhi May 13, 2019
657edd9
Refactor
djhi May 13, 2019
8631a14
Better types
djhi May 13, 2019
647627d
Refactor removeDeletedReferences
djhi May 13, 2019
9ec56fb
Review
djhi May 14, 2019
2e0ce00
Simplify removeDeletedReferences
djhi May 14, 2019
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92 changes: 91 additions & 1 deletion packages/ra-core/src/reducer/admin/references/oneToMany.spec.ts
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Original file line number Diff line number Diff line change
@@ -1,6 +1,8 @@
import assert from 'assert';

import { nameRelatedTo } from './oneToMany';
import oneToManyReducer, { nameRelatedTo } from './oneToMany';
import { DELETE, DELETE_MANY } from '../../../dataFetchActions';
import { UNDOABLE } from '../../../actions';

describe('oneToMany', () => {
describe('oneToMany', () => {
Expand Down Expand Up @@ -30,5 +32,93 @@ describe('oneToMany', () => {
'posts_comments@id_6?active=true'
);
});

it('should remove reference deleted optimistically', () => {
const previousState = {
'posts_comments@id_1': {
ids: [1, 2, 3],
total: 3,
},
'reviews_comments@id_1': {
ids: [1, 3, 4],
total: 3,
},
'posts_reviews@id_1': {
ids: [1, 2, 3],
total: 3,
},
};

const state = oneToManyReducer(previousState, {
type: UNDOABLE,
payload: {
id: 2,
},
meta: {
resource: 'comments',
optimistic: true,
fetch: DELETE,
},
});

expect(state).toEqual({
'posts_comments@id_1': {
ids: [1, 3],
total: 2,
},
'reviews_comments@id_1': {
ids: [1, 3, 4],
total: 3,
},
'posts_reviews@id_1': {
ids: [1, 2, 3],
total: 3,
},
});
});

it('should remove references deleted optimistically', () => {
const previousState = {
'posts_comments@id_1': {
ids: [1, 2, 3],
total: 3,
},
'reviews_comments@id_1': {
ids: [1, 3, 4],
total: 3,
},
'posts_reviews@id_1': {
ids: [1, 2, 3],
total: 3,
},
};

const state = oneToManyReducer(previousState, {
type: UNDOABLE,
payload: {
ids: [2, 3],
},
meta: {
resource: 'comments',
optimistic: true,
fetch: DELETE_MANY,
},
});

expect(state).toEqual({
'posts_comments@id_1': {
ids: [1],
total: 1,
},
'reviews_comments@id_1': {
ids: [1, 4],
total: 2,
},
'posts_reviews@id_1': {
ids: [1, 2, 3],
total: 3,
},
});
});
});
});
60 changes: 57 additions & 3 deletions packages/ra-core/src/reducer/admin/references/oneToMany.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,10 @@ import { Reducer } from 'redux';
import {
CRUD_GET_MANY_REFERENCE_SUCCESS,
CrudGetManyReferenceSuccessAction,
CrudDeleteSuccessAction,
} from '../../../actions/dataActions';
import { Identifier, ReduxState } from '../../../types';
import { DELETE, DELETE_MANY } from '../../../dataFetchActions';

const initialState = {};

Expand All @@ -13,12 +15,33 @@ interface State {

type ActionTypes =
| CrudGetManyReferenceSuccessAction
| CrudDeleteSuccessAction
| { type: 'OTHER_ACTION'; payload: any; meta?: any };

const oneToManyReducer: Reducer<State> = (
previousState = initialState,
action: ActionTypes
) => {
if (action.meta && action.meta.optimistic) {
const relatedTo = getRelatedReferences(
previousState,
action.meta.resource
);

if (action.meta.fetch === DELETE) {
return relatedTo.reduce(
removeDeletedReferences([action.payload.id]),
previousState
);
}

if (action.meta.fetch === DELETE_MANY) {
return relatedTo.reduce(
removeDeletedReferences(action.payload.ids),
previousState
);
}
}
switch (action.type) {
case CRUD_GET_MANY_REFERENCE_SUCCESS:
return {
Expand All @@ -28,16 +51,17 @@ const oneToManyReducer: Reducer<State> = (
total: action.payload.total,
},
};

default:
return previousState;
}
};

export const getIds = (state: ReduxState, relatedTo) =>
export const getIds = (state: ReduxState, relatedTo: string) =>
state.admin.references.oneToMany[relatedTo] &&
state.admin.references.oneToMany[relatedTo].ids;

export const getTotal = (state: ReduxState, relatedTo) =>
export const getTotal = (state: ReduxState, relatedTo: string) =>
state.admin.references.oneToMany[relatedTo] &&
state.admin.references.oneToMany[relatedTo].total;

Expand Down Expand Up @@ -114,7 +138,37 @@ export const getReferencesByIds = (
return Object.keys(references).length > 0 ? references : null;
};

export const nameRelatedTo = (reference, id, resource, target, filter = {}) => {
const getRelatedReferences = (previousState: State, resource: string) =>
Object.keys(previousState).filter(key => key.includes(resource));

const removeDeletedReferences = (removedIds: Identifier[]) => (
previousState: State,
key: string
) => {
const idsToKeep = previousState[key].ids.filter(
id => !removedIds.includes(id)
);

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if (idsToKeep.length === previousState[key].ids.length) {
return previousState;
}

return {
...previousState,
[key]: {
ids: idsToKeep,
total: idsToKeep.length,
},
};
};

export const nameRelatedTo = (
reference: string,
id: Identifier,
resource: string,
target: string,
filter: object = {}
) => {
const keys = Object.keys(filter);
if (!keys.length) {
return `${resource}_${reference}@${target}_${id}`;
Expand Down