lbry-desktop/ui/redux/actions/collections.js
zeppi ee9f63a161 integrate all the things
bugfix

wip

flow

fix

cleaning

clean
2021-10-15 23:49:41 -04:00

487 lines
15 KiB
JavaScript

// @flow
import * as ACTIONS from 'constants/action_types';
import { v4 as uuid } from 'uuid';
import Lbry from 'lbry';
import { doClaimSearch, doAbandonClaim } from 'redux/actions/claims';
import { makeSelectClaimForClaimId } from 'redux/selectors/claims';
import {
makeSelectCollectionForId,
// makeSelectPublishedCollectionForId, // for "save" or "copy" action
makeSelectPublishedCollectionForId,
makeSelectUnpublishedCollectionForId,
makeSelectEditedCollectionForId,
} from 'redux/selectors/collections';
import * as COLS from 'constants/collections';
const getTimestamp = () => {
return Math.floor(Date.now() / 1000);
};
const FETCH_BATCH_SIZE = 50;
export const doLocalCollectionCreate = (
name: string,
collectionItems: Array<string>,
type: string,
sourceId: string
) => (dispatch: Dispatch) => {
return dispatch({
type: ACTIONS.COLLECTION_NEW,
data: {
entry: {
id: uuid(), // start with a uuid, this becomes a claimId after publish
name: name,
updatedAt: getTimestamp(),
items: collectionItems || [],
sourceId: sourceId,
type: type,
},
},
});
};
export const doCollectionDelete = (id: string, colKey: ?string = undefined) => (
dispatch: Dispatch,
getState: GetState
) => {
const state = getState();
const claim = makeSelectClaimForClaimId(id)(state);
const collectionDelete = () =>
dispatch({
type: ACTIONS.COLLECTION_DELETE,
data: {
id: id,
collectionKey: colKey,
},
});
if (claim && !colKey) {
// could support "abandon, but keep" later
const { txid, nout } = claim;
return dispatch(doAbandonClaim(txid, nout, collectionDelete));
}
return collectionDelete();
};
// Given a collection, save its collectionId to be resolved and displayed in Library
// export const doCollectionSave = (
// id: string,
// ) => (dispatch: Dispatch) => {
// return dispatch({
// type: ACTIONS.COLLECTION_SAVE,
// data: {
// id: id,
// },
// });
// };
// Given a collection and name, copy it to a local private collection with a name
// export const doCollectionCopy = (
// id: string,
// ) => (dispatch: Dispatch) => {
// return dispatch({
// type: ACTIONS.COLLECTION_COPY,
// data: {
// id: id,
// },
// });
// };
export const doFetchItemsInCollections = (
resolveItemsOptions: {
collectionIds: Array<string>,
pageSize?: number,
},
resolveStartedCallback?: () => void
) => async (dispatch: Dispatch, getState: GetState) => {
/*
1) make sure all the collection claims are loaded into claims reducer, search/resolve if necessary.
2) get the item claims for each
3) format and make sure they're in the order as in the claim
4) Build the collection objects and update collections reducer
5) Update redux claims reducer
*/
let state = getState();
const { collectionIds, pageSize } = resolveItemsOptions;
dispatch({
type: ACTIONS.COLLECTION_ITEMS_RESOLVE_STARTED,
data: { ids: collectionIds },
});
if (resolveStartedCallback) resolveStartedCallback();
const collectionIdsToSearch = collectionIds.filter((claimId) => !state.claims.byId[claimId]);
if (collectionIdsToSearch.length) {
await dispatch(doClaimSearch({ claim_ids: collectionIdsToSearch, page: 1, page_size: 9999 }));
}
const stateAfterClaimSearch = getState();
async function fetchItemsForCollectionClaim(claim: CollectionClaim, pageSize?: number) {
const totalItems = claim.value.claims && claim.value.claims.length;
const claimId = claim.claim_id;
const itemOrder = claim.value.claims;
const sortResults = (items: Array<Claim>, claimList) => {
const newItems: Array<Claim> = [];
claimList.forEach((id) => {
const index = items.findIndex((i) => i.claim_id === id);
if (index >= 0) {
newItems.push(items[index]);
}
});
/*
This will return newItems[] of length less than total_items below
if one or more of the claims has been abandoned. That's ok for now.
*/
return newItems;
};
const mergeBatches = (
arrayOfResults: Array<{ items: Array<Claim>, total_items: number }>,
claimList: Array<string>
) => {
const mergedResults: { items: Array<Claim>, total_items: number } = {
items: [],
total_items: 0,
};
arrayOfResults.forEach((result) => {
mergedResults.items = mergedResults.items.concat(result.items);
mergedResults.total_items = result.total_items;
});
mergedResults.items = sortResults(mergedResults.items, claimList);
return mergedResults;
};
try {
const batchSize = pageSize || FETCH_BATCH_SIZE;
const batches: Array<Promise<any>> = [];
for (let i = 0; i < Math.ceil(totalItems / batchSize); i++) {
batches[i] = Lbry.claim_search({
claim_ids: claim.value.claims,
page: i + 1,
page_size: batchSize,
no_totals: true,
});
}
const itemsInBatches = await Promise.all(batches);
const result = mergeBatches(itemsInBatches, itemOrder);
// $FlowFixMe
const itemsById: { claimId: string, items?: ?Array<GenericClaim> } = { claimId: claimId };
if (result.items) {
itemsById.items = result.items;
} else {
itemsById.items = null;
}
return itemsById;
} catch (e) {
return {
claimId: claimId,
items: null,
};
}
}
function formatForClaimActions(resultClaimsByUri) {
const formattedClaims = {};
Object.entries(resultClaimsByUri).forEach(([uri, uriResolveInfo]) => {
// Flow has terrible Object.entries support
// https://github.com/facebook/flow/issues/2221
if (uriResolveInfo) {
let result = {};
if (uriResolveInfo.value_type === 'channel') {
result.channel = uriResolveInfo;
// $FlowFixMe
result.claimsInChannel = uriResolveInfo.meta.claims_in_channel;
// ALSO SKIP COLLECTIONS
} else if (uriResolveInfo.value_type === 'collection') {
result.collection = uriResolveInfo;
} else {
result.stream = uriResolveInfo;
if (uriResolveInfo.signing_channel) {
result.channel = uriResolveInfo.signing_channel;
result.claimsInChannel =
(uriResolveInfo.signing_channel.meta && uriResolveInfo.signing_channel.meta.claims_in_channel) || 0;
}
}
// $FlowFixMe
formattedClaims[uri] = result;
}
});
return formattedClaims;
}
const invalidCollectionIds = [];
const promisedCollectionItemFetches = [];
collectionIds.forEach((collectionId) => {
const claim = makeSelectClaimForClaimId(collectionId)(stateAfterClaimSearch);
if (!claim) {
invalidCollectionIds.push(collectionId);
} else {
promisedCollectionItemFetches.push(fetchItemsForCollectionClaim(claim, pageSize));
}
});
// $FlowFixMe
const collectionItemsById: Array<{
claimId: string,
items: ?Array<GenericClaim>,
}> = await Promise.all(promisedCollectionItemFetches);
const newCollectionObjectsById = {};
const resolvedItemsByUrl = {};
collectionItemsById.forEach((entry) => {
// $FlowFixMe
const collectionItems: Array<any> = entry.items;
const collectionId = entry.claimId;
if (collectionItems) {
const claim = makeSelectClaimForClaimId(collectionId)(stateAfterClaimSearch);
const editedCollection = makeSelectEditedCollectionForId(collectionId)(stateAfterClaimSearch);
const { name, timestamp, value } = claim || {};
const { title } = value;
const valueTypes = new Set();
const streamTypes = new Set();
let newItems = [];
let isPlaylist;
if (collectionItems) {
collectionItems.forEach((collectionItem) => {
newItems.push(collectionItem.permanent_url);
valueTypes.add(collectionItem.value_type);
if (collectionItem.value.stream_type) {
streamTypes.add(collectionItem.value.stream_type);
}
resolvedItemsByUrl[collectionItem.canonical_url] = collectionItem;
});
isPlaylist =
valueTypes.size === 1 &&
valueTypes.has('stream') &&
((streamTypes.size === 1 && (streamTypes.has('audio') || streamTypes.has('video'))) ||
(streamTypes.size === 2 && streamTypes.has('audio') && streamTypes.has('video')));
}
newCollectionObjectsById[collectionId] = {
items: newItems,
id: collectionId,
name: title || name,
itemCount: claim.value.claims.length,
type: isPlaylist ? 'playlist' : 'collection',
updatedAt: timestamp,
};
if (editedCollection && timestamp > editedCollection['updatedAt']) {
dispatch({
type: ACTIONS.COLLECTION_DELETE,
data: {
id: collectionId,
collectionKey: 'edited',
},
});
}
} else {
invalidCollectionIds.push(collectionId);
}
});
const formattedClaimsByUri = formatForClaimActions(collectionItemsById);
dispatch({
type: ACTIONS.RESOLVE_URIS_COMPLETED,
data: { resolveInfo: formattedClaimsByUri },
});
dispatch({
type: ACTIONS.COLLECTION_ITEMS_RESOLVE_COMPLETED,
data: {
resolvedCollections: newCollectionObjectsById,
failedCollectionIds: invalidCollectionIds,
},
});
};
export const doFetchItemsInCollection = (options: { collectionId: string, pageSize?: number }, cb?: () => void) => {
const { collectionId, pageSize } = options;
const newOptions: { collectionIds: Array<string>, pageSize?: number } = {
collectionIds: [collectionId],
};
if (pageSize) newOptions.pageSize = pageSize;
return doFetchItemsInCollections(newOptions, cb);
};
export const doCollectionEdit = (collectionId: string, params: CollectionEditParams) => async (
dispatch: Dispatch,
getState: GetState
) => {
const state = getState();
const collection: Collection = makeSelectCollectionForId(collectionId)(state);
const editedCollection: Collection = makeSelectEditedCollectionForId(collectionId)(state);
const unpublishedCollection: Collection = makeSelectUnpublishedCollectionForId(collectionId)(state);
const publishedCollection: Collection = makeSelectPublishedCollectionForId(collectionId)(state); // needs to be published only
const generateCollectionItemsFromSearchResult = (results) => {
return (
Object.values(results)
// $FlowFixMe
.reduce(
(
acc,
cur: {
stream: ?StreamClaim,
channel: ?ChannelClaim,
claimsInChannel: ?number,
collection: ?CollectionClaim,
}
) => {
let url;
if (cur.stream) {
url = cur.stream.permanent_url;
} else if (cur.channel) {
url = cur.channel.permanent_url;
} else if (cur.collection) {
url = cur.collection.permanent_url;
} else {
return acc;
}
acc.push(url);
return acc;
},
[]
)
);
};
if (!collection) {
return dispatch({
type: ACTIONS.COLLECTION_ERROR,
data: {
message: 'collection does not exist',
},
});
}
let currentItems = collection.items ? collection.items.concat() : [];
const { claims: passedClaims, order, claimIds, replace, remove, type } = params;
const collectionType = type || collection.type;
let newItems: Array<?string> = currentItems;
if (passedClaims) {
if (remove) {
const passedUrls = passedClaims.map((claim) => claim.permanent_url);
// $FlowFixMe // need this?
newItems = currentItems.filter((item: string) => !passedUrls.includes(item));
} else {
passedClaims.forEach((claim) => newItems.push(claim.permanent_url));
}
}
if (claimIds) {
const batches = [];
if (claimIds.length > 50) {
for (let i = 0; i < Math.ceil(claimIds.length / 50); i++) {
batches[i] = claimIds.slice(i * 50, (i + 1) * 50);
}
} else {
batches[0] = claimIds;
}
const resultArray = await Promise.all(
batches.map((batch) => {
let options = { claim_ids: batch, page: 1, page_size: 50 };
return dispatch(doClaimSearch(options));
})
);
const searchResults = Object.assign({}, ...resultArray);
if (replace) {
newItems = generateCollectionItemsFromSearchResult(searchResults);
} else {
newItems = currentItems.concat(generateCollectionItemsFromSearchResult(searchResults));
}
}
if (order) {
const [movedItem] = currentItems.splice(order.from, 1);
currentItems.splice(order.to, 0, movedItem);
}
// console.log('p&e', publishedCollection.items, newItems, publishedCollection.items.join(','), newItems.join(','))
if (editedCollection) {
// delete edited if newItems are the same as publishedItems
if (publishedCollection.items.join(',') === newItems.join(',')) {
dispatch({
type: ACTIONS.COLLECTION_DELETE,
data: {
id: collectionId,
collectionKey: 'edited',
},
});
} else {
dispatch({
type: ACTIONS.COLLECTION_EDIT,
data: {
id: collectionId,
collectionKey: 'edited',
collection: {
items: newItems,
id: collectionId,
name: params.name || collection.name,
updatedAt: getTimestamp(),
type: collectionType,
},
},
});
}
} else if (publishedCollection) {
dispatch({
type: ACTIONS.COLLECTION_EDIT,
data: {
id: collectionId,
collectionKey: 'edited',
collection: {
items: newItems,
id: collectionId,
name: params.name || collection.name,
updatedAt: getTimestamp(),
type: collectionType,
},
},
});
} else if (COLS.BUILTIN_LISTS.includes(collectionId)) {
dispatch({
type: ACTIONS.COLLECTION_EDIT,
data: {
id: collectionId,
collectionKey: 'builtin',
collection: {
items: newItems,
id: collectionId,
name: params.name || collection.name,
updatedAt: getTimestamp(),
type: collectionType,
},
},
});
} else if (unpublishedCollection) {
dispatch({
type: ACTIONS.COLLECTION_EDIT,
data: {
id: collectionId,
collectionKey: 'unpublished',
collection: {
items: newItems,
id: collectionId,
name: params.name || collection.name,
updatedAt: getTimestamp(),
type: collectionType,
},
},
});
}
return true;
};