karusic/front/src/app/service/artist.ts

/** @file
 * @author Edouard DUPIN
 * @copyright 2018, Edouard DUPIN, all right reserved
 * @license PROPRIETARY (see license file)
 */

import { Injectable } from '@angular/core';

import { HttpWrapperService, BddService } from 'common/service';
import { DataInterface, TypeCheck, isArrayOf } from 'common/utils';
import { isNodeData, NodeData } from 'common/model';
import { GenericInterfaceModelDB } from './GenericInterfaceModelDB';



@Injectable()
export class ArtistService extends GenericInterfaceModelDB {

	constructor(http: HttpWrapperService,
		bdd: BddService) {
		super('artist', http, bdd);
	}


	/**
	 * Get all the track for a specific artist
	 * @param idArtist - Id of the artist.
	 * @returns a promise on the list of track elements
	 */
	 getTrackNoAlbum(idArtist:number): Promise<NodeData[]> {
		let self = this;
		return new Promise((resolve, reject) => {
			self.bdd.get('track')
				.then((response: DataInterface) => {
					let data = response.getsWhere([
						{
							check: TypeCheck.CONTAINS,
							key: 'artists',
							value: idArtist,
						}, {
							check: TypeCheck.EQUAL,
							key: 'albumId',
							value: undefined,
						},
						],
						[ 'track', 'name' ]);
					resolve(data);
				}).catch((response) => {
					reject(response);
				});
		});
	}
	/**
	 * Get all the track for a specific artist
	 * @param idArtist - Id of the artist.
	 * @returns a promise on the list of track elements
	 */
	getAllTracks(idArtist:number): Promise<NodeData[]> {
		let self = this;
		return new Promise((resolve, reject) => {
			self.bdd.get('track')
				.then((response: DataInterface) => {
					let data = response.getsWhere([
						{
							check: TypeCheck.CONTAINS,
							key: 'artists',
							value: idArtist,
						}
						],
						[ 'track', 'name' ]);
					resolve(data);
				}).catch((response) => {
					reject(response);
				});
		});
	}

	/**
	 * Get the number of track in this artist ID
	 * @param id - Id of the artist.
	 * @returns The number of track present in this artist
	 */
	countTrack(artistId:number): Promise<number> {
		let self = this;
		return new Promise((resolve, reject) => {
			self.bdd.get('track')
				.then((response:DataInterface) => {
					let data = response.getsWhere([
						{
							check: TypeCheck.CONTAINS,
							key: 'artists',
							value: artistId,
						},
						]);
					resolve(data.length);
				}).catch((response) => {
					reject(response);
				});
		});
	}

	/**
	 * Get all the album of a specific artist
	 * @param idArtist - ID of the artist
	 * @returns the required List.
	 */
	getAlbum(idArtist:number): Promise<NodeData[]> {
		let self = this;
		return new Promise((resolve, reject) => {
			self.bdd.get('track')
				.then((response:DataInterface) => {
					console.log(" <<<========================================>>> " + idArtist);
					let data = response.getsWhere([
						{
							check: TypeCheck.CONTAINS, //< this is for array containing
							key: 'artists',
							value: idArtist,
						},
						], [ 'id' ]);
					//console.log("==> get all tracks of the artist: " + JSON.stringify(data, null, 2));
					// extract a single time all value "id" in an array
					const listAlbumId = DataInterface.extractLimitOne(data, "albumId");
					//console.log("==> List Of ids: " + JSON.stringify(listAlbumId, null, 2));
					self.bdd.get('album')
						.then((response:DataInterface) => {
							let dataAlbum = response.getsWhere([
								{
									check: TypeCheck.EQUAL,
									key: 'id',
									value: listAlbumId,
								},
								], [ 'publication', 'name', 'id' ]);
							resolve(dataAlbum);
							//console.log("==> get all albums: " + JSON.stringify(dataAlbum, null, 2));
							return;
						}).catch((response) => {
							reject(response);
						});
					return;
				}).catch((response) => {
					reject(response);
				});
		});
	}
	countAlbum(idArtist:number): Promise<number> {
		let self = this;
		return new Promise((resolve, reject) => {
			self.bdd.get('track')
				.then((response:DataInterface) => {
					console.log(" <<<========================================>>> " + idArtist);
					let data = response.getsWhere([
						{
							check: TypeCheck.CONTAINS, //< this is for array containing
							key: 'artists',
							value: idArtist,
						},
						], [ 'id' ]);
					//console.log("==> get all tracks of the artist: " + JSON.stringify(data, null, 2));
					// extract a single time all value "id" in an array
					const listAlbumId = DataInterface.extractLimitOne(data, "albumId");
					resolve(listAlbumId.length);
				}).catch((response) => {
					reject(response);
				});
		});
	}

}