diff options
Diffstat (limited to 'src/data/composite/things')
16 files changed, 877 insertions, 0 deletions
diff --git a/src/data/composite/things/album/index.js b/src/data/composite/things/album/index.js new file mode 100644 index 00000000..8139f10e --- /dev/null +++ b/src/data/composite/things/album/index.js @@ -0,0 +1,2 @@ +export {default as withTracks} from './withTracks.js'; +export {default as withTrackSections} from './withTrackSections.js'; diff --git a/src/data/composite/things/album/withTrackSections.js b/src/data/composite/things/album/withTrackSections.js new file mode 100644 index 00000000..baa3cb4a --- /dev/null +++ b/src/data/composite/things/album/withTrackSections.js @@ -0,0 +1,128 @@ +import {input, templateCompositeFrom} from '#composite'; +import find from '#find'; +import {empty, stitchArrays} from '#sugar'; +import {isTrackSectionList} from '#validators'; +import {filterMultipleArrays} from '#wiki-data'; + +import {exitWithoutDependency, exitWithoutUpdateValue} + from '#composite/control-flow'; +import {withResolvedReferenceList} from '#composite/wiki-data'; + +import { + fillMissingListItems, + withFlattenedList, + withPropertiesFromList, + withUnflattenedList, +} from '#composite/data'; + +export default templateCompositeFrom({ + annotation: `withTrackSections`, + + outputs: ['#trackSections'], + + steps: () => [ + exitWithoutDependency({ + dependency: 'trackData', + value: input.value([]), + }), + + exitWithoutUpdateValue({ + mode: input.value('empty'), + value: input.value([]), + }), + + // TODO: input.updateValue description down here is a kludge. + withPropertiesFromList({ + list: input.updateValue({ + validate: isTrackSectionList, + }), + prefix: input.value('#sections'), + properties: input.value([ + 'tracks', + 'dateOriginallyReleased', + 'isDefaultTrackSection', + 'name', + 'color', + ]), + }), + + fillMissingListItems({ + list: '#sections.tracks', + fill: input.value([]), + }), + + fillMissingListItems({ + list: '#sections.isDefaultTrackSection', + fill: input.value(false), + }), + + fillMissingListItems({ + list: '#sections.name', + fill: input.value('Unnamed Track Section'), + }), + + fillMissingListItems({ + list: '#sections.color', + fill: input.dependency('color'), + }), + + withFlattenedList({ + list: '#sections.tracks', + }).outputs({ + ['#flattenedList']: '#trackRefs', + ['#flattenedIndices']: '#sections.startIndex', + }), + + withResolvedReferenceList({ + list: '#trackRefs', + data: 'trackData', + notFoundMode: input.value('null'), + find: input.value(find.track), + }).outputs({ + ['#resolvedReferenceList']: '#tracks', + }), + + withUnflattenedList({ + list: '#tracks', + indices: '#sections.startIndex', + }).outputs({ + ['#unflattenedList']: '#sections.tracks', + }), + + { + dependencies: [ + '#sections.tracks', + '#sections.name', + '#sections.color', + '#sections.dateOriginallyReleased', + '#sections.isDefaultTrackSection', + '#sections.startIndex', + ], + + compute: (continuation, { + '#sections.tracks': tracks, + '#sections.name': name, + '#sections.color': color, + '#sections.dateOriginallyReleased': dateOriginallyReleased, + '#sections.isDefaultTrackSection': isDefaultTrackSection, + '#sections.startIndex': startIndex, + }) => { + filterMultipleArrays( + tracks, name, color, dateOriginallyReleased, isDefaultTrackSection, startIndex, + tracks => !empty(tracks)); + + return continuation({ + ['#trackSections']: + stitchArrays({ + tracks, + name, + color, + dateOriginallyReleased, + isDefaultTrackSection, + startIndex, + }), + }); + }, + }, + ], +}); diff --git a/src/data/composite/things/album/withTracks.js b/src/data/composite/things/album/withTracks.js new file mode 100644 index 00000000..dcea6593 --- /dev/null +++ b/src/data/composite/things/album/withTracks.js @@ -0,0 +1,51 @@ +import {input, templateCompositeFrom} from '#composite'; +import find from '#find'; + +import {exitWithoutDependency, raiseOutputWithoutDependency} + from '#composite/control-flow'; +import {withResolvedReferenceList} from '#composite/wiki-data'; + +export default templateCompositeFrom({ + annotation: `withTracks`, + + outputs: ['#tracks'], + + steps: () => [ + exitWithoutDependency({ + dependency: 'trackData', + value: input.value([]), + }), + + raiseOutputWithoutDependency({ + dependency: 'trackSections', + mode: input.value('empty'), + output: input.value({ + ['#tracks']: [], + }), + }), + + { + dependencies: ['trackSections'], + compute: (continuation, {trackSections}) => + continuation({ + '#trackRefs': trackSections + .flatMap(section => section.tracks ?? []), + }), + }, + + withResolvedReferenceList({ + list: '#trackRefs', + data: 'trackData', + find: input.value(find.track), + }), + + { + dependencies: ['#resolvedReferenceList'], + compute: (continuation, { + ['#resolvedReferenceList']: resolvedReferenceList, + }) => continuation({ + ['#tracks']: resolvedReferenceList, + }) + }, + ], +}); diff --git a/src/data/composite/things/flash/index.js b/src/data/composite/things/flash/index.js new file mode 100644 index 00000000..63ac13da --- /dev/null +++ b/src/data/composite/things/flash/index.js @@ -0,0 +1 @@ +export {default as withFlashAct} from './withFlashAct.js'; diff --git a/src/data/composite/things/flash/withFlashAct.js b/src/data/composite/things/flash/withFlashAct.js new file mode 100644 index 00000000..ada2dcfe --- /dev/null +++ b/src/data/composite/things/flash/withFlashAct.js @@ -0,0 +1,108 @@ +// Gets the flash's act. This will early exit if flashActData is missing. +// By default, if there's no flash whose list of flashes includes this flash, +// the output dependency will be null; set {notFoundMode: 'exit'} to early +// exit instead. +// +// This step models with Flash.withAlbum. + +import {input, templateCompositeFrom} from '#composite'; +import {is} from '#validators'; + +import {exitWithoutDependency, withResultOfAvailabilityCheck} + from '#composite/control-flow'; +import {withPropertyFromList} from '#composite/data'; + +export default templateCompositeFrom({ + annotation: `withFlashAct`, + + inputs: { + notFoundMode: input({ + validate: is('exit', 'null'), + defaultValue: 'null', + }), + }, + + outputs: ['#flashAct'], + + steps: () => [ + // null flashActData is always an early exit. + + exitWithoutDependency({ + dependency: 'flashActData', + mode: input.value('null'), + }), + + // empty flashActData conditionally exits early or outputs null. + + withResultOfAvailabilityCheck({ + from: 'flashActData', + mode: input.value('empty'), + }).outputs({ + '#availability': '#flashActDataAvailability', + }), + + { + dependencies: [input('notFoundMode'), '#flashActDataAvailability'], + compute(continuation, { + [input('notFoundMode')]: notFoundMode, + ['#flashActDataAvailability']: flashActDataIsAvailable, + }) { + if (flashActDataIsAvailable) return continuation(); + switch (notFoundMode) { + case 'exit': return continuation.exit(null); + case 'null': return continuation.raiseOutput({'#flashAct': null}); + } + }, + }, + + withPropertyFromList({ + list: 'flashActData', + property: input.value('flashes'), + }), + + { + dependencies: [input.myself(), '#flashActData.flashes'], + compute: (continuation, { + [input.myself()]: track, + ['#flashActData.flashes']: flashLists, + }) => continuation({ + ['#flashActIndex']: + flashLists.findIndex(flashes => flashes.includes(track)), + }), + }, + + // album not found conditionally exits or outputs null. + + withResultOfAvailabilityCheck({ + from: '#flashActIndex', + mode: input.value('index'), + }).outputs({ + '#availability': '#flashActAvailability', + }), + + { + dependencies: [input('notFoundMode'), '#flashActAvailability'], + compute(continuation, { + [input('notFoundMode')]: notFoundMode, + ['#flashActAvailability']: flashActIsAvailable, + }) { + if (flashActIsAvailable) return continuation(); + switch (notFoundMode) { + case 'exit': return continuation.exit(null); + case 'null': return continuation.raiseOutput({'#flashAct': null}); + } + }, + }, + + { + dependencies: ['flashActData', '#flashActIndex'], + compute: (continuation, { + ['flashActData']: flashActData, + ['#flashActIndex']: flashActIndex, + }) => continuation.raiseOutput({ + ['#flashAct']: + flashActData[flashActIndex], + }), + }, + ], +}); diff --git a/src/data/composite/things/track/exitWithoutUniqueCoverArt.js b/src/data/composite/things/track/exitWithoutUniqueCoverArt.js new file mode 100644 index 00000000..f47086d9 --- /dev/null +++ b/src/data/composite/things/track/exitWithoutUniqueCoverArt.js @@ -0,0 +1,26 @@ +// Shorthand for checking if the track has unique cover art and exposing a +// fallback value if it isn't. + +import {input, templateCompositeFrom} from '#composite'; + +import {exitWithoutDependency} from '#composite/control-flow'; + +import withHasUniqueCoverArt from './withHasUniqueCoverArt.js'; + +export default templateCompositeFrom({ + annotation: `exitWithoutUniqueCoverArt`, + + inputs: { + value: input({defaultValue: null}), + }, + + steps: () => [ + withHasUniqueCoverArt(), + + exitWithoutDependency({ + dependency: '#hasUniqueCoverArt', + mode: input.value('falsy'), + value: input('value'), + }), + ], +}); diff --git a/src/data/composite/things/track/index.js b/src/data/composite/things/track/index.js new file mode 100644 index 00000000..3354b1c4 --- /dev/null +++ b/src/data/composite/things/track/index.js @@ -0,0 +1,9 @@ +export {default as exitWithoutUniqueCoverArt} from './exitWithoutUniqueCoverArt.js'; +export {default as inheritFromOriginalRelease} from './inheritFromOriginalRelease.js'; +export {default as trackReverseReferenceList} from './trackReverseReferenceList.js'; +export {default as withAlbum} from './withAlbum.js'; +export {default as withAlwaysReferenceByDirectory} from './withAlwaysReferenceByDirectory.js'; +export {default as withContainingTrackSection} from './withContainingTrackSection.js'; +export {default as withHasUniqueCoverArt} from './withHasUniqueCoverArt.js'; +export {default as withOtherReleases} from './withOtherReleases.js'; +export {default as withPropertyFromAlbum} from './withPropertyFromAlbum.js'; diff --git a/src/data/composite/things/track/inheritFromOriginalRelease.js b/src/data/composite/things/track/inheritFromOriginalRelease.js new file mode 100644 index 00000000..a9d57f86 --- /dev/null +++ b/src/data/composite/things/track/inheritFromOriginalRelease.js @@ -0,0 +1,43 @@ +// Early exits with a value inherited from the original release, if +// this track is a rerelease, and otherwise continues with no further +// dependencies provided. If allowOverride is true, then the continuation +// will also be called if the original release exposed the requested +// property as null. + +import {input, templateCompositeFrom} from '#composite'; + +import withOriginalRelease from './withOriginalRelease.js'; + +export default templateCompositeFrom({ + annotation: `inheritFromOriginalRelease`, + + inputs: { + property: input({type: 'string'}), + allowOverride: input({type: 'boolean', defaultValue: false}), + }, + + steps: () => [ + withOriginalRelease(), + + { + dependencies: [ + '#originalRelease', + input('property'), + input('allowOverride'), + ], + + compute: (continuation, { + ['#originalRelease']: originalRelease, + [input('property')]: originalProperty, + [input('allowOverride')]: allowOverride, + }) => { + if (!originalRelease) return continuation(); + + const value = originalRelease[originalProperty]; + if (allowOverride && value === null) return continuation(); + + return continuation.exit(value); + }, + }, + ], +}); diff --git a/src/data/composite/things/track/trackReverseReferenceList.js b/src/data/composite/things/track/trackReverseReferenceList.js new file mode 100644 index 00000000..e7bfedf3 --- /dev/null +++ b/src/data/composite/things/track/trackReverseReferenceList.js @@ -0,0 +1,38 @@ +// Like a normal reverse reference list ("objects which reference this object +// under a specified property"), only excluding re-releases from the possible +// outputs. While it's useful to travel from a re-release to the tracks it +// references, re-releases aren't generally relevant from the perspective of +// the tracks *being* referenced. Apart from hiding re-releases from lists on +// the site, it also excludes keeps them from relational data processing, such +// as on the "Tracks - by Times Referenced" listing page. + +import {input, templateCompositeFrom} from '#composite'; +import {withReverseReferenceList} from '#composite/wiki-data'; + +export default templateCompositeFrom({ + annotation: `trackReverseReferenceList`, + + compose: false, + + inputs: { + list: input({type: 'string'}), + }, + + steps: () => [ + withReverseReferenceList({ + data: 'trackData', + list: input('list'), + }), + + { + flags: {expose: true}, + expose: { + dependencies: ['#reverseReferenceList'], + compute: ({ + ['#reverseReferenceList']: reverseReferenceList, + }) => + reverseReferenceList.filter(track => !track.originalReleaseTrack), + }, + }, + ], +}); diff --git a/src/data/composite/things/track/withAlbum.js b/src/data/composite/things/track/withAlbum.js new file mode 100644 index 00000000..cbd16dcd --- /dev/null +++ b/src/data/composite/things/track/withAlbum.js @@ -0,0 +1,108 @@ +// Gets the track's album. This will early exit if albumData is missing. +// By default, if there's no album whose list of tracks includes this track, +// the output dependency will be null; set {notFoundMode: 'exit'} to early +// exit instead. +// +// This step models with Flash.withFlashAct. + +import {input, templateCompositeFrom} from '#composite'; +import {is} from '#validators'; + +import {exitWithoutDependency, withResultOfAvailabilityCheck} + from '#composite/control-flow'; +import {withPropertyFromList} from '#composite/data'; + +export default templateCompositeFrom({ + annotation: `withAlbum`, + + inputs: { + notFoundMode: input({ + validate: is('exit', 'null'), + defaultValue: 'null', + }), + }, + + outputs: ['#album'], + + steps: () => [ + // null albumData is always an early exit. + + exitWithoutDependency({ + dependency: 'albumData', + mode: input.value('null'), + }), + + // empty albumData conditionally exits early or outputs null. + + withResultOfAvailabilityCheck({ + from: 'albumData', + mode: input.value('empty'), + }).outputs({ + '#availability': '#albumDataAvailability', + }), + + { + dependencies: [input('notFoundMode'), '#albumDataAvailability'], + compute(continuation, { + [input('notFoundMode')]: notFoundMode, + ['#albumDataAvailability']: albumDataIsAvailable, + }) { + if (albumDataIsAvailable) return continuation(); + switch (notFoundMode) { + case 'exit': return continuation.exit(null); + case 'null': return continuation.raiseOutput({'#album': null}); + } + }, + }, + + withPropertyFromList({ + list: 'albumData', + property: input.value('tracks'), + }), + + { + dependencies: [input.myself(), '#albumData.tracks'], + compute: (continuation, { + [input.myself()]: track, + ['#albumData.tracks']: trackLists, + }) => continuation({ + ['#albumIndex']: + trackLists.findIndex(tracks => tracks.includes(track)), + }), + }, + + // album not found conditionally exits or outputs null. + + withResultOfAvailabilityCheck({ + from: '#albumIndex', + mode: input.value('index'), + }).outputs({ + '#availability': '#albumAvailability', + }), + + { + dependencies: [input('notFoundMode'), '#albumAvailability'], + compute(continuation, { + [input('notFoundMode')]: notFoundMode, + ['#albumAvailability']: albumIsAvailable, + }) { + if (albumIsAvailable) return continuation(); + switch (notFoundMode) { + case 'exit': return continuation.exit(null); + case 'null': return continuation.raiseOutput({'#album': null}); + } + }, + }, + + { + dependencies: ['albumData', '#albumIndex'], + compute: (continuation, { + ['albumData']: albumData, + ['#albumIndex']: albumIndex, + }) => continuation.raiseOutput({ + ['#album']: + albumData[albumIndex], + }), + }, + ], +}); diff --git a/src/data/composite/things/track/withAlwaysReferenceByDirectory.js b/src/data/composite/things/track/withAlwaysReferenceByDirectory.js new file mode 100644 index 00000000..d27f7b23 --- /dev/null +++ b/src/data/composite/things/track/withAlwaysReferenceByDirectory.js @@ -0,0 +1,91 @@ +// Controls how find.track works - it'll never be matched by a reference +// just to the track's name, which means you don't have to always reference +// some *other* (much more commonly referenced) track by directory instead +// of more naturally by name. +// +// See the implementation for an important caveat about matching the original +// track against other tracks, which uses a custom implementation pulling (and +// duplicating) details from #find instead of using withOriginalRelease and the +// usual withResolvedReference / find.track() utilities. +// + +import {input, templateCompositeFrom} from '#composite'; +import {isBoolean} from '#validators'; + +import {exitWithoutDependency, exposeUpdateValueOrContinue} + from '#composite/control-flow'; +import {withPropertyFromObject} from '#composite/data'; + +// TODO: Kludge. (The usage of this, not so much the import.) +import CacheableObject from '../../../things/cacheable-object.js'; + +export default templateCompositeFrom({ + annotation: `withAlwaysReferenceByDirectory`, + + outputs: ['#alwaysReferenceByDirectory'], + + steps: () => [ + exposeUpdateValueOrContinue({ + validate: input.value(isBoolean), + }), + + // Remaining code is for defaulting to true if this track is a rerelease of + // another with the same name, so everything further depends on access to + // trackData as well as originalReleaseTrack. + + exitWithoutDependency({ + dependency: 'trackData', + mode: input.value('empty'), + value: input.value(false), + }), + + exitWithoutDependency({ + dependency: 'originalReleaseTrack', + value: input.value(false), + }), + + // "Slow" / uncached, manual search from trackData (with this track + // excluded). Otherwise there end up being pretty bad recursion issues + // (track1.alwaysReferencedByDirectory depends on searching through data + // including track2, which depends on evaluating track2.alwaysReferenced- + // ByDirectory, which depends on searcing through data including track1...) + // That said, this is 100% a kludge, since it involves duplicating find + // logic on a completely unrelated context. + { + dependencies: [input.myself(), 'trackData', 'originalReleaseTrack'], + compute: (continuation, { + [input.myself()]: thisTrack, + ['trackData']: trackData, + ['originalReleaseTrack']: ref, + }) => continuation({ + ['#originalRelease']: + (ref.startsWith('track:') + ? trackData.find(track => track.directory === ref.slice('track:'.length)) + : trackData.find(track => + track !== thisTrack && + !CacheableObject.getUpdateValue(track, 'originalReleaseTrack') && + track.name.toLowerCase() === ref.toLowerCase())), + }) + }, + + exitWithoutDependency({ + dependency: '#originalRelease', + value: input.value(false), + }), + + withPropertyFromObject({ + object: '#originalRelease', + property: input.value('name'), + }), + + { + dependencies: ['name', '#originalRelease.name'], + compute: (continuation, { + name, + ['#originalRelease.name']: originalName, + }) => continuation({ + ['#alwaysReferenceByDirectory']: name === originalName, + }), + }, + ], +}); diff --git a/src/data/composite/things/track/withContainingTrackSection.js b/src/data/composite/things/track/withContainingTrackSection.js new file mode 100644 index 00000000..b2e5f2b3 --- /dev/null +++ b/src/data/composite/things/track/withContainingTrackSection.js @@ -0,0 +1,63 @@ +// Gets the track section containing this track from its album's track list. +// If notFoundMode is set to 'exit', this will early exit if the album can't be +// found or if none of its trackSections includes the track for some reason. + +import {input, templateCompositeFrom} from '#composite'; +import {is} from '#validators'; + +import withPropertyFromAlbum from './withPropertyFromAlbum.js'; + +export default templateCompositeFrom({ + annotation: `withContainingTrackSection`, + + inputs: { + notFoundMode: input({ + validate: is('exit', 'null'), + defaultValue: 'null', + }), + }, + + outputs: ['#trackSection'], + + steps: () => [ + withPropertyFromAlbum({ + property: input.value('trackSections'), + notFoundMode: input('notFoundMode'), + }), + + { + dependencies: [ + input.myself(), + input('notFoundMode'), + '#album.trackSections', + ], + + compute(continuation, { + [input.myself()]: track, + [input('notFoundMode')]: notFoundMode, + ['#album.trackSections']: trackSections, + }) { + if (!trackSections) { + return continuation.raiseOutput({ + ['#trackSection']: null, + }); + } + + const trackSection = + trackSections.find(({tracks}) => tracks.includes(track)); + + if (trackSection) { + return continuation.raiseOutput({ + ['#trackSection']: trackSection, + }); + } else if (notFoundMode === 'exit') { + return continuation.exit(null); + } else { + return continuation.raiseOutput({ + ['#trackSection']: null, + }); + } + }, + }, + ], +}); diff --git a/src/data/composite/things/track/withHasUniqueCoverArt.js b/src/data/composite/things/track/withHasUniqueCoverArt.js new file mode 100644 index 00000000..96078d5f --- /dev/null +++ b/src/data/composite/things/track/withHasUniqueCoverArt.js @@ -0,0 +1,61 @@ +// Whether or not the track has "unique" cover artwork - a cover which is +// specifically associated with this track in particular, rather than with +// the track's album as a whole. This is typically used to select between +// displaying the track artwork and a fallback, such as the album artwork +// or a placeholder. (This property is named hasUniqueCoverArt instead of +// the usual hasCoverArt to emphasize that it does not inherit from the +// album.) + +import {input, templateCompositeFrom} from '#composite'; +import {empty} from '#sugar'; + +import {withResolvedContribs} from '#composite/wiki-data'; + +import withPropertyFromAlbum from './withPropertyFromAlbum.js'; + +export default templateCompositeFrom({ + annotation: 'withHasUniqueCoverArt', + + outputs: ['#hasUniqueCoverArt'], + + steps: () => [ + { + dependencies: ['disableUniqueCoverArt'], + compute: (continuation, {disableUniqueCoverArt}) => + (disableUniqueCoverArt + ? continuation.raiseOutput({ + ['#hasUniqueCoverArt']: false, + }) + : continuation()), + }, + + withResolvedContribs({from: 'coverArtistContribs'}), + + { + dependencies: ['#resolvedContribs'], + compute: (continuation, { + ['#resolvedContribs']: contribsFromTrack, + }) => + (empty(contribsFromTrack) + ? continuation() + : continuation.raiseOutput({ + ['#hasUniqueCoverArt']: true, + })), + }, + + withPropertyFromAlbum({ + property: input.value('trackCoverArtistContribs'), + }), + + { + dependencies: ['#album.trackCoverArtistContribs'], + compute: (continuation, { + ['#album.trackCoverArtistContribs']: contribsFromAlbum, + }) => + continuation.raiseOutput({ + ['#hasUniqueCoverArt']: + !empty(contribsFromAlbum), + }), + }, + ], +}); diff --git a/src/data/composite/things/track/withOriginalRelease.js b/src/data/composite/things/track/withOriginalRelease.js new file mode 100644 index 00000000..d2ee39df --- /dev/null +++ b/src/data/composite/things/track/withOriginalRelease.js @@ -0,0 +1,59 @@ +// Just includes the original release of this track as a dependency. +// If this track isn't a rerelease, then it'll provide null, unless the +// {selfIfOriginal} option is set, in which case it'll provide this track +// itself. Note that this will early exit if the original release is +// specified by reference and that reference doesn't resolve to anything. +// Outputs to '#originalRelease' by default. + +import {input, templateCompositeFrom} from '#composite'; +import find from '#find'; +import {validateWikiData} from '#validators'; + +import {withResolvedReference} from '#composite/wiki-data'; + +export default templateCompositeFrom({ + annotation: `withOriginalRelease`, + + inputs: { + selfIfOriginal: input({type: 'boolean', defaultValue: false}), + + data: input({ + validate: validateWikiData({referenceType: 'track'}), + defaultDependency: 'trackData', + }), + }, + + outputs: ['#originalRelease'], + + steps: () => [ + withResolvedReference({ + ref: 'originalReleaseTrack', + data: input('data'), + find: input.value(find.track), + notFoundMode: input.value('exit'), + }).outputs({ + ['#resolvedReference']: '#originalRelease', + }), + + { + dependencies: [ + input.myself(), + input('selfIfOriginal'), + '#originalRelease', + ], + + compute: (continuation, { + [input.myself()]: track, + [input('selfIfOriginal')]: selfIfOriginal, + ['#originalRelease']: originalRelease, + }) => + continuation({ + ['#originalRelease']: + (originalRelease ?? + (selfIfOriginal + ? track + : null)), + }), + }, + ], +}); diff --git a/src/data/composite/things/track/withOtherReleases.js b/src/data/composite/things/track/withOtherReleases.js new file mode 100644 index 00000000..84420cf8 --- /dev/null +++ b/src/data/composite/things/track/withOtherReleases.js @@ -0,0 +1,40 @@ +import {input, templateCompositeFrom} from '#composite'; + +import {exitWithoutDependency} from '#composite/control-flow'; + +import withOriginalRelease from './withOriginalRelease.js'; + +export default templateCompositeFrom({ + annotation: `withOtherReleases`, + + outputs: ['#otherReleases'], + + steps: () => [ + exitWithoutDependency({ + dependency: 'trackData', + mode: input.value('empty'), + }), + + withOriginalRelease({ + selfIfOriginal: input.value(true), + }), + + { + dependencies: [input.myself(), '#originalRelease', 'trackData'], + compute: (continuation, { + [input.myself()]: thisTrack, + ['#originalRelease']: originalRelease, + trackData, + }) => continuation({ + ['#otherReleases']: + (originalRelease === thisTrack + ? [] + : [originalRelease]) + .concat(trackData.filter(track => + track !== originalRelease && + track !== thisTrack && + track.originalReleaseTrack === originalRelease)), + }), + }, + ], +}); diff --git a/src/data/composite/things/track/withPropertyFromAlbum.js b/src/data/composite/things/track/withPropertyFromAlbum.js new file mode 100644 index 00000000..b236a6e8 --- /dev/null +++ b/src/data/composite/things/track/withPropertyFromAlbum.js @@ -0,0 +1,49 @@ +// Gets a single property from this track's album, providing it as the same +// property name prefixed with '#album.' (by default). If the track's album +// isn't available, then by default, the property will be provided as null; +// set {notFoundMode: 'exit'} to early exit instead. + +import {input, templateCompositeFrom} from '#composite'; +import {is} from '#validators'; + +import {withPropertyFromObject} from '#composite/data'; + +import withAlbum from './withAlbum.js'; + +export default templateCompositeFrom({ + annotation: `withPropertyFromAlbum`, + + inputs: { + property: input.staticValue({type: 'string'}), + + notFoundMode: input({ + validate: is('exit', 'null'), + defaultValue: 'null', + }), + }, + + outputs: ({ + [input.staticValue('property')]: property, + }) => ['#album.' + property], + + steps: () => [ + withAlbum({ + notFoundMode: input('notFoundMode'), + }), + + withPropertyFromObject({ + object: '#album', + property: input('property'), + }), + + { + dependencies: ['#value', input.staticValue('property')], + compute: (continuation, { + ['#value']: value, + [input.staticValue('property')]: property, + }) => continuation({ + ['#album.' + property]: value, + }), + }, + ], +}); |