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* WikiLambda Pinia store: Wikidata Lexemes module
*
* @copyright 2020– Abstract Wikipedia team; see AUTHORS.txt
* @license MIT
*/
'use strict';
const Constants = require( '../../../Constants.js' );
const LabelData = require( '../../classes/LabelData.js' );
const { getNestedProperty } = require( '../../../utils/miscUtils.js' );
const {
isWikidataLexemeId,
isWikidataLexemeFormId,
isWikidataLexemeSenseId
} = require( '../../../utils/wikidataUtils.js' );
module.exports = {
state: {
lexemes: {},
senses: {},
scheduledLexemes: [],
scheduledLexemesPromise: null
},
getters: {
/**
* Returns the Lexeme object of a given ID,
* the fetch Promise if the fetch request is on the fly,
* or undefined if it hasn't been requested yet.
*
* @param {Object} state
* @return {Function}
*/
getLexemeData: function ( state ) {
/**
* @param {string} id
* @return {Object|Promise|undefined}
*/
const findLexemeData = ( id ) => state.lexemes[ id ];
return findLexemeData;
},
/**
* Returns a promise that resolves to the Lexeme data given its Id.
* If the lexeme is already cached, returns a resolved promise.
* If the lexeme is being fetched, returns the existing promise.
* If the lexeme hasn't been requested, returns a rejected promise.
*
* @param {Object} state
* @return {Function}
*/
getLexemeDataAsync: function () {
/**
* @param {string} id
* @return {Promise<Object>}
*/
const findLexemeDataAsync = ( id ) => {
const lexemeData = this.getLexemeData( id );
// If lexeme is already cached (not a promise), return resolved promise
if ( lexemeData && typeof lexemeData.then !== 'function' ) {
return Promise.resolve( lexemeData );
}
// If lexeme is being fetched (is a promise), return that promise
if ( lexemeData && typeof lexemeData.then === 'function' ) {
return lexemeData;
}
// If lexeme hasn't been requested, return rejected promise
return Promise.reject( new Error( `Lexeme ${ id } not found` ) );
};
return findLexemeDataAsync;
},
/**
* Returns the processed senses data for a given lexeme ID,
* the processing Promise if the processing is on the fly,
* or undefined if it hasn't been requested yet.
*
* @param {Object} state
* @return {Function}
*/
getLexemeSensesData: function ( state ) {
/**
* @param {string} lexemeId
* @return {Array|Promise|undefined}
*/
const findLexemeSensesData = ( lexemeId ) => state.senses[ lexemeId ];
return findLexemeSensesData;
},
/**
* Returns a promise that resolves to the processed senses data for a given lexeme ID.
* If the senses are already processed, returns a resolved promise.
* If the senses are being processed, returns the existing promise.
* If the senses haven't been requested, returns a rejected promise.
*
* @return {Function}
*/
getLexemeSensesDataAsync: function () {
/**
* @param {string} lexemeId
* @return {Promise<Array>}
*/
const findLexemeSensesDataAsync = ( lexemeId ) => {
const sensesData = this.getLexemeSensesData( lexemeId );
// If senses are already processed (not a promise), return resolved promise
if ( sensesData && typeof sensesData.then !== 'function' ) {
return Promise.resolve( sensesData );
}
// If senses are being processed (is a promise), return that promise
if ( sensesData && typeof sensesData.then === 'function' ) {
return sensesData;
}
// If senses haven't been requested, return rejected promise
return Promise.reject( new Error( `Senses for lexeme ${ lexemeId } not found` ) );
};
return findLexemeSensesDataAsync;
},
/**
* Returns the Lexeme form object of a given ID,
* or undefined if it hasn't been requested yet
*
* @param {Object} state
* @return {Function}
*/
getLexemeFormData: function ( state ) {
/**
* @param {string} id
* @return {Object|undefined}
*/
const findLexemeFormData = ( id ) => {
const [ lexemeId ] = id.split( '-' );
const lexemeData = state.lexemes[ lexemeId ];
return ( lexemeData && lexemeData.forms ) ?
lexemeData.forms.find( ( item ) => item.id === id ) :
undefined;
};
return findLexemeFormData;
},
/**
* Returns the LabelData object built from the available
* lemmas in the data object of the selected Lexeme.
* If a Lexeme is selected but it has no lemmas, returns
* LabelData object with the Lexeme id as its display label.
* If no Lexeme is selected, returns undefined.
*
* @param {Object} state
* @return {Function}
*/
getLexemeLabelData: function () {
/**
* @param {string} id The lexeme ID
* @return {LabelData|undefined} The `LabelData` object containing label, language code, and directionality.
*/
const findLexemeLabelData = ( id ) => {
// If no selected Lexeme, return undefined
if ( !id ) {
return undefined;
}
// If no lexemeData yet, return Lexeme Id
// Get best label from lemmas (if any)
const lexemeData = this.getLexemeData( id );
const langs = lexemeData ? Object.keys( lexemeData.lemmas || {} ) : {};
if ( langs.length > 0 ) {
const lemma = langs.includes( this.getUserLangCode ) ?
lexemeData.lemmas[ this.getUserLangCode ] :
lexemeData.lemmas[ langs[ 0 ] ];
return new LabelData( id, lemma.value, null, lemma.language );
}
// Else, return Lexeme Id as label
return new LabelData( id, id, null );
};
return findLexemeLabelData;
},
/**
* Returns the LabelData object built from the available
* lemmas in the data object of the selected Lexeme.
* If a Lexeme is selected but it has no lemmas, returns
* LabelData object with the Lexeme id as its display label.
* If no Lexeme is selected, returns undefined.
*
* @return {Function}
*/
getLexemeFormLabelData: function () {
/**
* @param {string} id The Lexeme form ID
* @return {LabelData|undefined} The `LabelData` object containing label, language code, and directionality.
*/
const findLexemeFormLabelData = ( id ) => {
// If no selected Lexeme, return undefined
if ( !id ) {
return undefined;
}
// If no lexemeFormData yet, return Lexeme Id
const lexemeFormData = this.getLexemeFormData( id );
// Get best label from representations (if any)
const langs = lexemeFormData ? Object.keys( lexemeFormData.representations || {} ) : {};
if ( langs.length > 0 ) {
const rep = langs.includes( this.getUserLangCode ) ?
lexemeFormData.representations[ this.getUserLangCode ] :
lexemeFormData.representations[ langs[ 0 ] ];
return new LabelData( id, rep.value, null, rep.language );
}
// Else, return Lexeme Id as label
return new LabelData( id, id, null );
};
return findLexemeFormLabelData;
},
/**
* Returns the URL for a given lexeme ID.
*
* @param {Object} state
* @return {Function}
*/
getLexemeUrl: function () {
/**
* @param {string} id
* @return {string|undefined}
*/
const findLexemeUrl = ( id ) => isWikidataLexemeId( id ) ?
`${ Constants.WIKIDATA_BASE_URL }/wiki/Lexeme:${ id }` :
undefined;
return findLexemeUrl;
},
/**
* Returns the URL for a given lexeme form ID.
*
* @param {Object} state
* @return {Function}
*/
getLexemeFormUrl: function () {
/**
* @param {string} id
* @return {string|undefined}
*/
const findLexemeFormUrl = ( id ) => {
if ( !isWikidataLexemeFormId( id ) ) {
return undefined;
}
const [ lexemeId = '', formId = '' ] = id.split( '-' );
return `${ Constants.WIKIDATA_BASE_URL }/wiki/Lexeme:${ lexemeId }#${ formId }`;
};
return findLexemeFormUrl;
},
/**
* Returns the Lexeme sense object of a given ID,
* or undefined if it hasn't been requested yet
*
* @param {Object} state
* @return {Function}
*/
getLexemeSenseData: function ( state ) {
/**
* @param {string} id
* @return {Object|undefined}
*/
const findLexemeSenseData = ( id ) => {
const [ lexemeId ] = id.split( '-' );
const sensesData = state.senses[ lexemeId ];
return ( sensesData && Array.isArray( sensesData ) ) ?
sensesData.find( ( item ) => item.id === id ) :
undefined;
};
return findLexemeSenseData;
},
/**
* Returns the LabelData object built from the available
* representations in the data object of the selected Lexeme Sense.
* If a Lexeme Sense is selected but it has no representations, returns
* LabelData object with the Lexeme Sense id as its display label.
* If no Lexeme Sense is selected, returns undefined.
*
* @return {Function}
*/
getLexemeSenseLabelData: function () {
/**
* @param {string} id The Lexeme sense ID
* @return {LabelData|undefined} The `LabelData` object containing label, language code, and directionality.
*/
const findLexemeSenseLabelData = ( id ) => {
if ( !id ) {
return undefined;
}
// If no lexemeSenseData yet, return Lexeme Sense Id
const lexemeSenseData = this.getLexemeSenseData( id );
// Get best label from representations (if any)
const langs = lexemeSenseData ? Object.keys( lexemeSenseData.glosses || {} ) : {};
if ( langs.length > 0 ) {
const rep = langs.includes( this.getUserLangCode ) ?
lexemeSenseData.glosses[ this.getUserLangCode ] :
lexemeSenseData.glosses[ langs[ 0 ] ];
return new LabelData( id, rep.value, null, rep.language );
}
// Else, return Lexeme Id as label
return new LabelData( id, id, null );
};
return findLexemeSenseLabelData;
},
/**
* Returns the URL for a given lexeme sense ID.
*
* @return {Function}
*/
getLexemeSenseUrl: function () {
/**
* @param {string} id
* @return {string|undefined}
*/
const findLexemeSenseUrl = ( id ) => {
if ( !isWikidataLexemeSenseId( id ) ) {
return undefined;
}
const [ lexemeId = '', senseId = '' ] = id.split( '-' );
return `${ Constants.WIKIDATA_BASE_URL }/wiki/Lexeme:${ lexemeId }#${ senseId }`;
};
return findLexemeSenseUrl;
}
},
actions: {
/**
* Stores the lexeme data indexed by its Id
*
* @param {Object} payload
* @param {string} payload.id
* @param {Object} payload.data
* @return {undefined}
*/
setLexemeData: function ( payload ) {
// If payload.data is a promise, store it directly
if ( payload.data && typeof payload.data.then === 'function' ) {
this.lexemes[ payload.id ] = payload.data;
return;
}
// Otherwise, unwrap the data to select only subset of Lexeme data; title, forms, senses and lemmas
const unwrap = ( { title, forms, senses, lemmas } ) => ( { title, forms, senses, lemmas } );
this.lexemes[ payload.id ] = unwrap( payload.data );
},
/**
* Removes the lexems for the given IDs
*
* @param {Object} payload
* @param {Array<string>} payload.ids - An array of Wikidata Lexeme IDs
*/
resetLexemeData: function ( payload ) {
payload.ids.forEach( ( id ) => delete this.lexemes[ id ] );
// Also reset the corresponding senses data
this.resetLexemeSensesData( { lexemeIds: payload.ids } );
},
/**
* Stores the processed senses data for a given lexeme ID
*
* @param {Object} payload
* @param {string} payload.lexemeId
* @param {Array|Promise} payload.data
* @return {undefined}
*/
setLexemeSensesData: function ( payload ) {
this.senses[ payload.lexemeId ] = payload.data;
},
/**
* Removes the processed senses data for the given lexeme IDs
*
* @param {Object} payload
* @param {Array<string>} payload.lexemeIds - An array of Wikidata Lexeme IDs
*/
resetLexemeSensesData: function ( payload ) {
payload.lexemeIds.forEach( ( lexemeId ) => delete this.senses[ lexemeId ] );
},
/**
* Fetches the fallback labels for a single sense from its associated item.
*
* @param {Object} sense - The initial lexeme sense object
* @return {Promise<Object>} - Promise that resolves to a new sense object
*/
fetchLexemeSenseFallbackLabels: function ( sense ) {
const claims = sense.claims;
const itemId = getNestedProperty( claims, 'P5137.0.mainsnak.datavalue.value.id' );
// We do nothing if:
// - there is already a gloss in the user's language for this sense
// - there is no 'item for this sense' to fetch for this sense
if ( sense.glosses[ this.getUserLangCode ] || !itemId ) {
return Promise.resolve( sense );
}
// First try to get the item data from cache, then fetch if needed
return this.getItemDataAsync( itemId )
.catch( () => this.fetchItems( { ids: [ itemId ] } ).then( () => this.getItemDataAsync( itemId ) ) )
.then( ( itemData ) => {
// Check if the item has a label in the user's language
const label = itemData.labels[ this.getUserLangCode ];
const description = itemData.descriptions[ this.getUserLangCode ];
// If there is no label, return the original sense
if ( !label ) {
return sense;
}
// Otherwise, create a new sense object with the fallback label and return it
const processedSense = Object.assign( {}, sense );
processedSense.glosses = Object.assign( {}, sense.glosses );
processedSense.glosses[ this.getUserLangCode ] = {
value: description ? `${ label.value } - ${ description.value }` : label.value,
language: label.language
};
return processedSense;
} )
.catch( () => sense );
},
/**
* Calls Wikidata Action API to fetch Wikidata Lexemes
* given their Ids.
*
* @param {Object} payload
* @param {Array<string>} payload.ids - An array of Wikidata Lexeme IDs to fetch.
* @return {Promise} - A promise that resolves to the fetched data.
*/
fetchLexemes: function ( { ids } ) {
this.scheduledLexemes = [ ... new Set( [ ...this.scheduledLexemes, ...ids ] ) ];
if ( !this.scheduledLexemesPromise ) {
this.scheduledLexemesPromise = new Promise( ( resolve, reject ) => {
setTimeout( () => {
this.fetchWikidataEntitiesBatched( {
ids: this.scheduledLexemes,
getData: this.getLexemeData,
setData: this.setLexemeData,
resetData: this.resetLexemeData
} ).then( resolve, reject );
this.scheduledLexemes = [];
this.scheduledLexemesPromise = null;
}, Constants.WIKIDATA_REQUEST_TIME_WINDOW );
} );
}
return this.scheduledLexemesPromise;
},
/**
* Calls Wikidata Action API to fetch Wikidata Lexemes with their senses
* and processes sense fallback labels by fetching associated items.
* This is specifically for LexemeSense components that need the sense data.
*
* @param {Object} payload
* @param {Array<string>} payload.lexemeIds - An array of Wikidata Lexeme IDs to fetch.
* @return {Promise}
*/
fetchLexemeSenses: function ( payload ) {
// Filter out lexemes that already have processed senses
const lexemeIds = payload.lexemeIds.filter( ( id ) => this.getLexemeSensesData( id ) === undefined );
if ( lexemeIds.length === 0 ) {
// If list is empty, do nothing
return Promise.resolve();
}
// Wait for the lexeme to be fetched
// We need to wait for the lexeme to be fetched before fetching the items for each sense
// because the items are not part of the lexeme data
// eslint-disable-next-line arrow-body-style
const sensePromises = lexemeIds.map( ( id ) => {
return this.getLexemeDataAsync( id )
.then( () => {
const lexemeData = this.getLexemeData( id );
if ( !lexemeData || !lexemeData.senses ) {
// Store empty array for lexemes with no senses
this.setLexemeSensesData( { lexemeId: id, data: [] } );
return;
}
// Fetch the fallback labels for each sense
const processedSensePromises = lexemeData.senses.map(
( sense ) => this.fetchLexemeSenseFallbackLabels( sense ) );
return Promise.all( processedSensePromises ).then( ( processedSenses ) => {
this.setLexemeSensesData( { lexemeId: id, data: processedSenses } );
} );
} )
.catch( () => {
// If getting the lexeme data fails, remove the Lexeme Ids from the senses
this.resetLexemeSensesData( { lexemeIds } );
} );
} );
return Promise.all( sensePromises );
}
}
};
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