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* WikiLambda Vue editor: Vuex Wikidata Entities module
*
* @copyright 2020– Abstract Wikipedia team; see AUTHORS.txt
* @license MIT
*/
const Constants = require( '../../../Constants.js' ),
apiUtils = require( '../../../mixins/api.js' ).methods;
module.exports = exports = {
getters: {
/**
* Returns whether the rowId contains a literal Wikidata Entity.
*
* @param {Object} _state
* @param {Object} getters
* @return {Function}
*/
isWikidataLiteral: function ( _state, getters ) {
/**
* @param {number} rowId
* @return {boolean}
*/
function findWikidataLiteral( rowId ) {
const type = getters.getZObjectTypeByRowId( rowId );
return Constants.WIKIDATA_TYPES.includes( type );
}
return findWikidataLiteral;
},
/**
* Returns whether the rowId contains a fetched Wikidata Entity, which
* will be shaped as a Function call to one of the Wikidata Fetch
* Functions (Z6820-Z6826).
* Assumes that the object represented under the given rowId is
* a function, but returns false if it's not.
*
* @param {Object} _state
* @param {Object} getters
* @return {Function}
*/
isWikidataFetch: function ( _state, getters ) {
/**
* @param {number} rowId
* @return {boolean}
*/
function findWikidataFetch( rowId ) {
const functionCallFunction = getters.getZFunctionCallFunctionId( rowId );
return Object.keys( Constants.WIKIDATA_FETCH_FUNCTIONS )
.some( ( k ) => Constants.WIKIDATA_FETCH_FUNCTIONS[ k ] === functionCallFunction );
}
return findWikidataFetch;
},
/**
* Returns whether the rowId contains a Wikidata Reference, which
* will be a literal object of one of the Wikidata Reference types
* (Z6091-Z6096).
*
* @param {Object} _state
* @param {Object} getters
* @return {Function}
*/
isWikidataReference: function ( _state, getters ) {
/**
* @param {number} rowId
* @return {boolean}
*/
function findWikidataReference( rowId ) {
const type = getters.getZObjectTypeByRowId( rowId );
return Object.keys( Constants.WIKIDATA_REFERENCE_TYPES )
.some( ( k ) => Constants.WIKIDATA_REFERENCE_TYPES[ k ] === type );
}
return findWikidataReference;
},
/**
* Given the rowId of the Wikidata entity, returns
* the rowId of the Wikidata entity Id string.
*
* @param {Object} _state
* @param {Object} getters
* @return {Function}
*/
getWikidataEntityIdRow: function ( _state, getters ) {
/**
* @param {number} rowId
* @param {string} wikidataType
* @return {Object|undefined}
*/
function findEntityId( rowId, wikidataType ) {
let wdReferenceRowId = rowId;
// Type is either Z7/Function call, a Wikidata reference type or a Wikidata type:
const type = getters.getZObjectTypeByRowId( rowId );
// If Wikidata type: The Wikidata entity reference is in the first key
if ( Constants.WIKIDATA_TYPES.includes( type ) ) {
const identityKey = `${ type }K1`;
const children = getters.getChildrenByParentRowId( rowId );
const identityRow = children.find( ( row ) => row.key === identityKey );
wdReferenceRowId = identityRow ? identityRow.id : rowId;
}
// If Function call: The Wikidata entity reference is in the first argument
if ( type === Constants.Z_FUNCTION_CALL ) {
const children = getters.getChildrenByParentRowId( rowId );
const fetchFunction = Constants.WIKIDATA_FETCH_FUNCTIONS[ wikidataType ];
const fetchFunctionRefKey = `${ fetchFunction }K1`;
const identityRow = children.find( ( row ) => row.key === fetchFunctionRefKey );
wdReferenceRowId = identityRow ? identityRow.id : rowId;
}
// Once we have the Wikidata lexeme reference, return its ID key
const referenceType = Constants.WIKIDATA_REFERENCE_TYPES[ wikidataType ];
const referenceTypeIdKey = `${ referenceType }K1`;
return getters.getRowByKeyPath( [ referenceTypeIdKey ], wdReferenceRowId );
}
return findEntityId;
}
},
actions: {
/**
* Calls Wikidata Action API to search entities by
* matching the given searchTerm and entity type.
*
* @param {Object} context
* @param {Object} payload
* @param {string} search
* @param {string|undefined} type
* @return {Promise}
*/
lookupWikidataEntities: function ( context, payload ) {
const { search, type = undefined } = payload;
const request = {
language: context.getters.getUserLangCode,
search,
type
};
return apiUtils.searchWikidataEntities( request );
}
}
};
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