├── README.md ├── LICENSE ├── index.css ├── index.html ├── index.js └── jquery-3.4.0.min.js /README.md: -------------------------------------------------------------------------------- 1 | # music festival lineup generator 2 | 3 | A site that generates festival lineups automatically based on your SoundCloud 4 | likes 5 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2019 yan 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /index.css: -------------------------------------------------------------------------------- 1 | .loader, 2 | .loader:before, 3 | .loader:after { 4 | background: #666; 5 | -webkit-animation: load1 1s infinite ease-in-out; 6 | animation: load1 1s infinite ease-in-out; 7 | width: 1em; 8 | height: 4em; 9 | } 10 | .loader { 11 | color: #666; 12 | display: none; 13 | text-indent: -9999em; 14 | margin: 88px auto; 15 | position: relative; 16 | font-size: 11px; 17 | -webkit-transform: translateZ(0); 18 | -ms-transform: translateZ(0); 19 | transform: translateZ(0); 20 | -webkit-animation-delay: -0.16s; 21 | animation-delay: -0.16s; 22 | } 23 | .loader:before, 24 | .loader:after { 25 | position: absolute; 26 | top: 0; 27 | content: ''; 28 | } 29 | .loader:before { 30 | left: -1.5em; 31 | -webkit-animation-delay: -0.32s; 32 | animation-delay: -0.32s; 33 | } 34 | .loader:after { 35 | left: 1.5em; 36 | } 37 | @-webkit-keyframes load1 { 38 | 0%, 39 | 80%, 40 | 100% { 41 | box-shadow: 0 0; 42 | height: 4em; 43 | } 44 | 40% { 45 | box-shadow: 0 -2em; 46 | height: 5em; 47 | } 48 | } 49 | @keyframes load1 { 50 | 0%, 51 | 80%, 52 | 100% { 53 | box-shadow: 0 0; 54 | height: 4em; 55 | } 56 | 40% { 57 | box-shadow: 0 -2em; 58 | height: 5em; 59 | } 60 | } 61 | -------------------------------------------------------------------------------- /index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | music festival lineup generator 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
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57 | 60 | 61 | 62 | 63 | -------------------------------------------------------------------------------- /index.js: -------------------------------------------------------------------------------- 1 | const CLIENT_ID = 'YUKXoArFcqrlQn9tfNHvvyfnDISj04zk' 2 | const PAGE_SIZE = 200 3 | // Number of artists in each tier. 4 | const SLOTS = { 5 | h0: 0, 6 | h1: 3, 7 | h2: 6, 8 | h3: 12, 9 | h4: 24, 10 | h5: 36, 11 | h6: 0 12 | } 13 | const SEPARATOR = ' \u2022 ' 14 | 15 | // Cached info 16 | let results = [] 17 | let previousUserName 18 | let previousUrl 19 | let downloadUrl 20 | 21 | SC.initialize({ 22 | client_id: CLIENT_ID 23 | }) 24 | 25 | /** 26 | * Gets a SoundCloud URL from a username if needed 27 | * @param {string} input 28 | */ 29 | const getSoundcloudUrl = (input) => { 30 | input = input.toLowerCase().trim() 31 | if (input.startsWith('http://') || input.startsWith('https://')) { 32 | return input 33 | } 34 | return `https://soundcloud.com/${input}` 35 | } 36 | 37 | /** 38 | * Show status or error to the user. 39 | * @param {string} msg 40 | * @param {boolean} showLoader 41 | */ 42 | const showStatus = (msg, showLoader) => { 43 | $('#status').text(msg) 44 | if (showLoader) { 45 | $('#loader').show() 46 | } else { 47 | $('#loader').hide() 48 | } 49 | } 50 | 51 | /** 52 | * Clear the results section. Called every time a parameter is changed. 53 | */ 54 | const clearResults = () => { 55 | document.getElementById('results').style.background = '' 56 | $('#h0').hide() 57 | Object.keys(SLOTS).forEach((element) => { 58 | $(`#${element}`).text('') 59 | }) 60 | } 61 | 62 | /** 63 | * Given a soundcloud URL, this finds the corresponding user ID. 64 | * @param {string} scUrl 65 | * @param {Function} onSuccess 66 | * @param {Function} onError 67 | */ 68 | const getUserId = (scUrl, onSuccess, onFail) => { 69 | const resolveUrl = 70 | `https://api.soundcloud.com/resolve.json?url=${scUrl}&client_id=${CLIENT_ID}` 71 | $.getJSON(resolveUrl, (response) => { 72 | if (response.id) { 73 | onSuccess(response.id, response.username) 74 | } else { 75 | onFail(onFail) 76 | } 77 | }).fail(onFail) 78 | } 79 | 80 | /** 81 | * Calculate and render the results. 82 | */ 83 | const processAndDisplay = () => { 84 | // Map of {: {yourLikes:..., totalLikes:...}> 85 | const artists = {} 86 | results.forEach((entry) => { 87 | const artistName = entry.user.username 88 | if (!artists[artistName]) { 89 | artists[artistName] = { yourLikes: 0, totalLikes: 0 } 90 | } 91 | artists[artistName].totalLikes += entry.likes_count 92 | artists[artistName].yourLikes += 1 93 | }) 94 | let sortable = [] 95 | for (let artist in artists) { 96 | const counts = artists[artist] 97 | sortable.push({ artist, counts }) 98 | } 99 | console.log('number of results:', sortable.length) 100 | const defaultThreshold = sortable.length > 150 ? 2 : 1 101 | const weight = document.getElementById('weight').valueAsNumber 102 | const threshold = Number($('input[name=threshold]:checked').val()) || defaultThreshold 103 | console.log('threshold and weight', threshold, weight) 104 | sortable = sortable.filter((item) => { 105 | return item.counts.yourLikes >= threshold 106 | }).sort((a, b) => { 107 | return (a.counts.totalLikes * a.counts.yourLikes ** (weight - 1)) - (b.counts.totalLikes * b.counts.yourLikes ** (weight - 1)) 108 | }) 109 | showStatus('') 110 | $('#h0').show() 111 | for (let tier in SLOTS) { 112 | const num = SLOTS[tier] 113 | for (let i = 0; i < num; i++) { 114 | const next = sortable.pop() 115 | if (next) { 116 | const artist = next.artist 117 | if (i === 0) { 118 | $(`#${tier}`).text(artist) 119 | } else { 120 | $(`#${tier}`).text([$(`#${tier}`).text(), artist].join(SEPARATOR)) 121 | } 122 | } 123 | } 124 | } 125 | if (sortable.length) { 126 | $('#h6').text(sortable.reverse().map(item => item.artist).join(SEPARATOR)) 127 | } 128 | generateBackground() 129 | htmlToImage() 130 | } 131 | 132 | const setTitle = (userName) => { 133 | const name = userName.split(' ').pop() 134 | const names = [`${name}fest`, `${name}chella`, `${name} in a Bottle`, 135 | `${name}palooza`, `${name} by ${name}west`, `${name}land`, 136 | `${name}ing Man`, `Hardly Strictly ${name}` 137 | ] 138 | const festname = names[Math.floor(Math.random() * names.length)] 139 | $('#h0').text(`${festname.toUpperCase()} 2019`) 140 | } 141 | 142 | /** 143 | * Takes results and converts it to an image. 144 | * Based on 145 | * https://stackoverflow.com/questions/10721884/render-html-to-an-image 146 | * @param {HTML5Element} element 147 | * @returns {string} 148 | */ 149 | const htmlToImage = () => { 150 | html2canvas(document.getElementById('results'), { 151 | scale: 1, 152 | width: '740px' 153 | }).then((canvas) => { 154 | canvas.toBlob((blob) => { 155 | downloadUrl = window.URL.createObjectURL(blob) 156 | $('#download').attr('href', downloadUrl) 157 | $('#download').attr('download', `${previousUserName}-lineup.png`) 158 | $('#download').show() 159 | }) 160 | }) 161 | } 162 | 163 | /** 164 | * Generate a random gradient background, Coachella-style 165 | * based on https://codepen.io/chrisgresh/pen/aNjovb 166 | */ 167 | function generateBackground() { 168 | var hexValues = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 169 | 'a', 'b', 'c', 'd', 'e'] 170 | function populate (a) { 171 | for (var i = 0; i < 6; i++) { 172 | var x = Math.round(Math.random() * 14) 173 | var y = hexValues[x] 174 | a += y 175 | } 176 | return a 177 | } 178 | var newColor1 = populate('#') 179 | var newColor2 = populate('#') 180 | var angle = Math.round(Math.random() * 360) 181 | var gradient = `linear-gradient(${angle}deg, ${newColor1}e0, ${newColor2}e0)` 182 | document.getElementById('results').style.background = gradient 183 | // document.getElementById("output").innerHTML = gradient; 184 | } 185 | 186 | const onSuccess = (userId, username) => { 187 | setTitle(username) 188 | previousUserName = username 189 | SC.get(`/users/${userId}/favorites`, { 190 | limit: PAGE_SIZE, 191 | linked_partitioning: 1 192 | }).then((result) => { 193 | results = results.concat(result.collection) 194 | 195 | if (result.next_href) { 196 | $.getJSON(result.next_href, function (result) { 197 | results = results.concat(result.collection) 198 | 199 | if (result.next_href) { 200 | $.getJSON(result.next_href, function (result) { 201 | results = results.concat(result.collection) 202 | 203 | processAndDisplay() 204 | }) 205 | } else { 206 | processAndDisplay() 207 | } 208 | }) 209 | } else { 210 | processAndDisplay() 211 | } 212 | }) 213 | } 214 | const onFail = () => { 215 | showStatus('Error: Could not find SoundCloud user. Please check your spelling.') 216 | } 217 | 218 | /** 219 | * Download the results, sort and display them. 220 | */ 221 | const main = () => { 222 | clearResults() 223 | showStatus('', true) 224 | if (downloadUrl) { 225 | window.URL.revokeObjectURL(downloadUrl) 226 | } 227 | const scUrl = getSoundcloudUrl($('#userId').val()) 228 | 229 | if (scUrl === previousUrl && results.length) { 230 | // use cached results 231 | console.log('using cached results') 232 | processAndDisplay() 233 | setTitle(previousUserName) 234 | return 235 | } 236 | 237 | results = [] 238 | previousUrl = scUrl 239 | previousUserName = '' 240 | getUserId(scUrl, onSuccess, onFail) 241 | } 242 | 243 | $('#go').click(main) 244 | $('#controls input').change(main) 245 | $('#userId').on('keyup', function (e) { 246 | if (e.keyCode === 13) { 247 | main() 248 | } 249 | }) 250 | -------------------------------------------------------------------------------- /jquery-3.4.0.min.js: 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