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added aggregate function for RemoteData arrays

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This commit is contained in:
Art Lowel
2017-05-29 11:41:32 +02:00
committed by Lotte Hofstede
parent 145b080854
commit 2b74c3034a
2 changed files with 46 additions and 17 deletions
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41
src/app/core/cache/builders/remote-data-build.service.ts vendored
View File

@@ -153,4 +153,45 @@ export class RemoteDataBuildService {
const domainModel = getMapsTo(normalized.constructor);
return Object.assign(new domainModel(), normalized, links);
}
aggregate<T>(input: RemoteData<T>[]): RemoteData<T[]> {
const requestPending: Observable<boolean> = <Observable<boolean>> Observable.combineLatest(
...input.map(rd => rd.isRequestPending),
(...pendingArray) => pendingArray.every(e => e === true)
).distinctUntilChanged();
const responsePending: Observable<boolean> = <Observable<boolean>> Observable.combineLatest(
...input.map(rd => rd.isResponsePending),
(...pendingArray) => pendingArray.every(e => e === true)
).distinctUntilChanged();
const isSuccessFul: Observable<boolean> = <Observable<boolean>> Observable.combineLatest(
...input.map(rd => rd.hasSucceeded),
(...successArray) => successArray.every(e => e === true)
).distinctUntilChanged();
const errorMessage: Observable<string> = <Observable<string>> Observable.combineLatest(
...input.map(rd => rd.errorMessage),
(...errors) => errors
.map((e, idx) => {
if (hasValue(e)) {
return `[${idx}]: ${e}`;
}
})
.filter(e => hasValue(e))
.join(", ")
);
const payload = <Observable<T[]>> Observable.combineLatest(
...input.map(rd => rd.payload)
);
return new RemoteData(
// This is an aggregated object, it doesn't necessarily correspond
// to a single REST endpoint, so instead of a self link, use the
// current time in ms for a somewhat unique id
`${new Date().getTime()}`,
requestPending,
responsePending,
isSuccessFul,
errorMessage,
payload
);
}
}

22
yarn.lock
View File

@@ -301,14 +301,10 @@ alphanum-sort@^1.0.1, alphanum-sort@^1.0.2:
version "1.0.2"
resolved "https://registry.yarnpkg.com/alphanum-sort/-/alphanum-sort-1.0.2.tgz#97a1119649b211ad33691d9f9f486a8ec9fbe0a3"
amdefine@1.0.0:
amdefine@1.0.0, amdefine@>=0.0.4:
version "1.0.0"
resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.0.tgz#fd17474700cb5cc9c2b709f0be9d23ce3c198c33"
amdefine@>=0.0.4:
version "1.0.1"
resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
angular2-express-engine@2.1.0-rc.1:
version "2.1.0-rc.1"
resolved "https://registry.yarnpkg.com/angular2-express-engine/-/angular2-express-engine-2.1.0-rc.1.tgz#79c8e481cde7ff1253b373cbf98de7c9fab4f215"
@@ -3521,11 +3517,7 @@ lowercase-keys@^1.0.0:
version "1.0.0"
resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.0.tgz#4e3366b39e7f5457e35f1324bdf6f88d0bfc7306"
lru-cache@2:
version "2.7.3"
resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.7.3.tgz#6d4524e8b955f95d4f5b58851ce21dd72fb4e952"
lru-cache@2.2.x:
lru-cache@2, lru-cache@2.2.x:
version "2.2.4"
resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.2.4.tgz#6c658619becf14031d0d0b594b16042ce4dc063d"
@@ -4659,14 +4651,10 @@ punycode@^1.2.4, punycode@^1.4.1:
version "1.4.1"
resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
q@1.4.1:
q@1.4.1, q@^1.1.2, q@^1.4.1:
version "1.4.1"
resolved "https://registry.yarnpkg.com/q/-/q-1.4.1.tgz#55705bcd93c5f3673530c2c2cbc0c2b3addc286e"
q@^1.1.2, q@^1.4.1:
version "1.5.0"
resolved "https://registry.yarnpkg.com/q/-/q-1.5.0.tgz#dd01bac9d06d30e6f219aecb8253ee9ebdc308f1"
qjobs@^1.1.4:
version "1.1.5"
resolved "https://registry.yarnpkg.com/qjobs/-/qjobs-1.1.5.tgz#659de9f2cf8dcc27a1481276f205377272382e73"
@@ -5063,13 +5051,13 @@ right-align@^0.1.1:
dependencies:
align-text "^0.1.1"
rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.5.2, rimraf@^2.6.0, rimraf@^2.6.1:
rimraf@2, rimraf@^2.2.8, rimraf@^2.4.4, rimraf@^2.5.1, rimraf@^2.5.2, rimraf@^2.6.0, rimraf@^2.6.1:
version "2.6.1"
resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.1.tgz#c2338ec643df7a1b7fe5c54fa86f57428a55f33d"
dependencies:
glob "^7.0.5"
rimraf@2.5.4, rimraf@^2.4.4:
rimraf@2.5.4:
version "2.5.4"
resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.5.4.tgz#96800093cbf1a0c86bd95b4625467535c29dfa04"
dependencies: