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ColorPicker.js
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ColorPicker.js
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import React from "react";
import Flex from "../Flex/Flex";
import HexlistHeader from "../HexlistHeader/HexlistHeader";
import ColoredSquare from "../ColoredSquare/ColoredSquare";
import InfiniteScroll from "react-infinite-scroll-component";
import { calculateValence, getMinMaxAvg } from "./Generate";
import TooManyColorsPopUp from "./TooManyColorsPopUp/TooManyColorsPopUp";
import "./ColorPicker.css";
export default class ColorPicker extends React.Component {
constructor(props) {
super(props);
this.randomRGB = this.randomRGB.bind(this);
this.state = {
usedRGB: [], // looks like [rgb(42, 78, 123), ...]
chosenRGB: [], // looks like [rgb(42, 78, 123), ...]
numberOfSquares: 60,
refreshRate: 10, // squares per scroll
blurGrid: "", //grid class name
tooManyCardClass: "card",
generateButtonState: "button generate",
};
this.handlePick = this.handlePick.bind(this);
this.fetchData = this.fetchData.bind(this);
this.randomRGB = this.randomRGB.bind(this);
this.handleGenerate = this.handleGenerate.bind(this);
this.handleBackToGrid = this.handleBackToGrid.bind(this);
this.handleGenerateAgain = this.handleGenerateAgain.bind(this);
}
randomRGB() {
// returns unique rgb color
const rand = () => {
return Math.floor(Math.random() * 255);
};
while (1) {
let rgbColor = `rgb(${rand()}, ${rand()}, ${rand()})`;
if (!this.state.usedRGB.includes(rgbColor)) {
// prevents duplicates
this.setState((prevState) => ({
usedRGB: [...prevState.usedRGB, rgbColor],
}));
return rgbColor;
}
}
}
handlePick(color) {
if (!this.state.chosenRGB.includes(color)) {
if (this.state.chosenRGB.length < 5) {
this.setState((prevState) => ({
chosenRGB: prevState.chosenRGB.concat([color]),
}));
return true;
} else {
this.setState({
blurGrid: "blur",
tooManyCardClass: "toomanycolors card active",
});
}
} else {
this.setState((state) => {
const newState = [...state.chosenRGB];
newState.splice(newState.indexOf(color), 1);
return { chosenRGB: newState };
});
return true;
}
}
fetchData() {
// creates new squares and appends to usedRGB for infinite scroll
let freshColors = [];
for (let i = 0; i < this.state.refreshRate; i++) {
freshColors[i] = this.randomRGB();
}
setTimeout(() => {
this.setState((prevState) => ({
usedRGB: [...prevState.usedRGB, ...freshColors],
}));
}, 1500);
}
generatePlaylistImageURL() {
let rgb = this.state.chosenRGB.map((x) =>
x.replace(/[^\d,]/g, "").split(",")
);
const canvas = this.refs.canvas;
const ctx = canvas.getContext("2d");
let imgData = ctx.createImageData(300, 300);
let imgIndex = 0;
for (let j = 0; j < rgb.length; j++) {
let r = parseInt(rgb[j][0]);
let g = parseInt(rgb[j][1]);
let b = parseInt(rgb[j][2]);
let currIndex = Math.floor((imgData.data.length * (j + 1)) / rgb.length);
for (imgIndex; imgIndex < currIndex; imgIndex += 4) {
imgData.data[imgIndex + 0] = r;
imgData.data[imgIndex + 1] = g;
imgData.data[imgIndex + 2] = b;
imgData.data[imgIndex + 3] = 255; // visibility
}
imgIndex = currIndex;
}
ctx.putImageData(imgData, 0, 0);
let imgBase64 = canvas.toDataURL("image/jpeg");
return imgBase64;
}
UNSAFE_componentWillMount() {
const init = () => {
// creates the initial squares
let tmp = [];
for (let i = 0; i < this.state.numberOfSquares; i++) {
tmp.push(this.randomRGB());
}
return tmp;
};
this.setState({
usedRGB: init(), // initilize since we pull squares from this.state.usedRGB in render
});
}
async componentDidMount() {
await this.props.Spotify.getTopArtists();
}
async handleGenerate() {
this.setState({ blurGrid: "blur" });
const valences = calculateValence(this.state.chosenRGB, this.props.colors);
const [minValence, maxValence, targetValence] = getMinMaxAvg(valences);
const seedArtists = this.props.Spotify.topArtists.slice(0, 5);
const targetEnergy = this.props.energy;
const playlistImage = this.generatePlaylistImageURL();
await this.props.Spotify.getRecommendations(
seedArtists,
targetEnergy,
minValence,
maxValence,
targetValence
);
await this.props.Spotify.createPlaylist();
await this.props.Spotify.populatePlaylist();
await this.props.Spotify.updatePlaylistImage(playlistImage);
if (this.state.tooManyCardClass.includes("active")) {
this.setState({
tooManyCardClass: "toomanycolors card opaque",
});
}
this.setState({});
}
handleBackToGrid() {
this.setState({
blurGrid: "backToGrid",
tooManyCardClass: "toomanycolors card opaque",
});
}
handleGenerateAgain() {
this.setState({ chosenRGB: [], blurGrid: "backToGrid" });
this.props.Spotify.reset();
}
render() {
return (
<div>
{this.props.Spotify.playlistEmbed ? (
<div className='final'>
<div className='redirect-buttons'>
<button
className='button back-to-grid'
onClick={this.handleGenerateAgain}>
Generate another one
</button>
<a
href={this.props.Spotify.playlistURL}
target='_blank'
rel='noopener noreferrer'>
<button className='button go-to-spotify'>
Take me to Spotify
</button>
</a>
</div>
<div className='embedded-playlist'>
<iframe
title='spotify-player'
src={this.props.Spotify.playlistEmbed}
allowtransparency='true'
allow='encrypted-media'></iframe>
</div>
</div>
) : (
<div></div>
)}
<TooManyColorsPopUp
handleBackToGrid={this.handleBackToGrid}
handleGenerate={this.handleGenerate}
cardClass={this.state.tooManyCardClass}
/>
<div className={this.state.blurGrid}>
<a href='/' style={{ textDecoration: "none" }}>
<HexlistHeader></HexlistHeader>
</a>
<InfiniteScroll
dataLength={this.state.usedRGB.length}
next={() => this.fetchData()}
hasMore={true}>
<div className='colorContainer'>
<Flex flexWrap='wrap' justifyContent='center'>
{this.state.usedRGB.map((color, index) => {
return (
<ColoredSquare
color={color}
key={index}
onPress={() => this.handlePick(color)}
numberOfSquares={this.state.chosenRGB.length}
/>
);
})}
{/* <Bubble></Bubble> */}
{this.state.chosenRGB.length > 4 ? (
<div className='overlay'>
<button
onClick={this.handleGenerate}
className={this.state.generateButtonState}>
Generate Playlist
</button>
<canvas ref='canvas' width={300} height={300}></canvas>
</div>
) : (
<div></div>
)}
</Flex>
</div>
</InfiniteScroll>
</div>
</div>
);
}
}