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import { SEARCH as ENDPOINT } from '../Endpoint';
import Fetcher from './Fetcher';
/**
* Search API.
* @see https://docs-en.kkbox.codes/v1.1/reference#search
*/
export default class SearchFetcher extends Fetcher {
/**
* @ignore
*/
constructor(http, territory = 'TW') {
super(http, territory);
/**
* @ignore
*/
this.filterConditions = undefined;
/**
* @ignore
*/
this.q = undefined;
/**
* @ignore
*/
this.type = undefined;
}
/**
* Filter what you don't want when search.
*
* @param {Object} [conditions] - search conditions.
* @param {string} conditions.track - track's name.
* @param {string} conditions.album - album's name.
* @param {string} conditions.artist - artist's name.
* @param {string} conditions.playlist - playlist's title.
* @param {string} conditions.availableTerritory - tracks and albums available territory.
* @return {Search}
* @example
* api.searchFetcher
* .setSearchCriteria('五月天 好好')
* .filter({artist: '五月天'})
* .fetchSearchResult();
*/
filter(conditions = {}) {
this.filterConditions = conditions;
return this;
}
/**
* Init the search fetcher for the artist, album, track or playlist.
*
* @param {string} q - The keyword to be searched.
* @param {string} [type] - ['artist', 'album', 'track', 'playlist'] The type of search. Default to search all types. If you want to use multiple type at the same time, you may use ',' to separate them.
* @return {Search}
* @see https://docs-en.kkbox.codes/v1.1/reference#search_1
*/
setSearchCriteria(q, type = undefined) {
this.q = q;
this.type = type;
return this;
}
/**
* Fetch the search result.
*
* @param {number} [limit] - The size of one page.
* @param {number} [offset] - The offset index for first element.
* @return {Promise}
* @example
* api.searchFetcher
* .setSearchCriteria('五月天 好好')
* .fetchSearchResult();
* @see https://docs-en.kkbox.codes/v1.1/reference#search_1
*/
fetchSearchResult(limit = undefined, offset = undefined) {
return this.http
.get(ENDPOINT, {
q: this.q,
type: this.type,
territory: this.territory,
limit: limit,
offset: offset
})
.then(doFilter.bind(this));
}
}
function doFilter(response) {
if (this.filterConditions !== undefined) {
const data = Object.keys(response.data).map(key => {
switch (key) {
case 'tracks':
return {
[key]: Object.assign(response.data[key], {
data: response.data[key].data.filter(track => {
if (
this.filterConditions.availableTerritory !== undefined &&
!track.available_territories.includes(
this.filterConditions.availableTerritory
)
) {
return false;
}
if (
this.filterConditions.track !== undefined &&
!new RegExp('.*' + this.filterConditions.track + '.*').test(
track.name
)
) {
return false;
}
if (
this.filterConditions.album !== undefined &&
!new RegExp('.*' + this.filterConditions.album + '.*').test(
track.album.name
)
) {
return false;
}
return !(
this.filterConditions.artist !== undefined &&
!new RegExp('.*' + this.filterConditions.artist + '.*').test(
track.album.artist.name
)
);
})
})
};
case 'albums':
return {
[key]: Object.assign(response.data[key], {
data: response.data[key].data.filter(album => {
if (
this.filterConditions.availableTerritory !== undefined &&
!album.available_territories.includes(
this.filterConditions.availableTerritory
)
) {
return false;
}
if (
this.filterConditions.album !== undefined &&
!new RegExp('.*' + this.filterConditions.album + '.*').test(
album.name
)
) {
return false;
}
return !(
this.filterConditions.artist !== undefined &&
!new RegExp('.*' + this.filterConditions.artist + '.*').test(
album.artist.name
)
);
})
})
};
case 'artists':
return {
[key]: Object.assign(response.data[key], {
data: response.data[key].data.filter(artist => {
if (this.filterConditions.artist === undefined) {
return true;
} else {
return new RegExp(
'.*' + this.filterConditions.artist + '.*'
).test(artist.name);
}
})
})
};
case 'playlists':
return {
[key]: Object.assign(response.data[key], {
data: response.data[key].data.filter(playlist => {
if (this.filterConditions.playlist === undefined) {
return true;
} else {
return new RegExp(
'.*' + this.filterConditions.playlist + '.*'
).test(playlist.title);
}
})
})
};
default:
return {
[key]: response.data[key]
};
}
});
return Object.assign(response, {
data: Object.assign(...data)
});
} else {
return response;
}
}