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Codeforces Friends Online Status

Show the online status of friends in the friends table

当前为 2022-12-29 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Codeforces Friends Online Status
  3. // @namespace    https://github.com/ItsTHEAvro
  4. // @version      0.2
  5. // @description  Show the online status of friends in the friends table
  6. // @author       ItsTHEAvro
  7. // @license      MIT
  8. // @supportURL   https://github.com/ItsTHEAvro/GreasyForkScripts/CodeforcesFriendsOnlineStatus
  9. // @match        https://codeforces.com/friends
  10. // @grant        GM_xmlhttpRequest
  11. // @connect     codeforces.com
  12. // ==/UserScript==
  13.  
  14. // Get the list of friend usernames from the table
  15. let friendsTable = document.querySelectorAll('table')[5];
  16. let headerRow = friendsTable.rows[0];
  17. let friends = [];
  18. for (let row of friendsTable.rows) {
  19. 	if (row === headerRow) continue;
  20. 	let friend = row.cells[1].innerText; // Get the username from the 6th column of the table
  21. 	friends.push(friend);
  22. 	let newCell = row.insertCell(-1); // Insert a new cell at the end of the row
  23. 	let previousCell = row.cells[row.cells.length - 2];
  24. 	let computedStyle = getComputedStyle(previousCell);
  25. 	for (let property of computedStyle) {
  26. 		newCell.style.setProperty(property, computedStyle.getPropertyValue(property), computedStyle.getPropertyPriority(property));
  27. 	}
  28. 	newCell.style.borderLeft = '1px solid #e1e1e1';
  29. }
  30.  
  31. let newHeaderCell = headerRow.insertCell(-1);
  32. newHeaderCell.innerText = 'Last Online';
  33.  
  34. let previousHeaderCell = headerRow.cells[headerRow.cells.length - 2];
  35. let computedHeaderStyle = getComputedStyle(previousHeaderCell);
  36. for (let property of computedHeaderStyle) {
  37. 	newHeaderCell.style.setProperty(property, computedHeaderStyle.getPropertyValue(property), computedHeaderStyle.getPropertyPriority(property));
  38. }
  39. newHeaderCell.style.borderLeft = '1px solid #e1e1e1';
  40.  
  41. friends.forEach((friend, index) => {
  42. 	setTimeout(() => {
  43. 		GM_xmlhttpRequest({
  44. 			method: 'GET',
  45. 			url: `https://codeforces.com/api/user.info?handles=${friend}`,
  46. 			onload: function(response) {
  47. 				let data;
  48. 				try {
  49. 					data = JSON.parse(response.responseText);
  50. 				} catch (error) {
  51. 					console.error('Error parsing JSON data:');
  52. 					return;
  53. 				}
  54. 				let lastOnlineSeconds = data.result[0].lastOnlineTimeSeconds;
  55. 				let currentTimeSeconds = Math.floor(Date.now() / 1000);
  56. 				let elapsedTimeSeconds = currentTimeSeconds - lastOnlineSeconds;
  57. 				let years = Math.floor(elapsedTimeSeconds / 31536000);
  58. 				let months = Math.floor((elapsedTimeSeconds % 31536000) / 2592000);
  59. 				let weeks = Math.floor((elapsedTimeSeconds % 2592000) / 604800);
  60. 				let days = Math.floor((elapsedTimeSeconds % 604800) / 86400);
  61. 				let hours = Math.floor((elapsedTimeSeconds % 86400) / 3600);
  62. 				let minutes = Math.floor((elapsedTimeSeconds % 3600) / 60);
  63. 				let onlineStatus;
  64. 				if (years > 0) {
  65. 					let yearsText = years === 1 ? 'year' : 'years';
  66. 					onlineStatus = `${years} ${yearsText} ago `;
  67. 				} else if (months > 0) {
  68. 					let monthsText = months === 1 ? 'month' : 'months';
  69. 					onlineStatus = `${months} ${monthsText} ago `;
  70. 				} else if (weeks > 0) {
  71. 					let weeksText = weeks === 1 ? 'week' : 'weeks';
  72. 					onlineStatus = `${weeks} ${weeksText} ago `;
  73. 				} else if (days > 0) {
  74. 					let daysText = days === 1 ? 'day' : 'days';
  75. 					onlineStatus = `${days} ${daysText} ago `;
  76. 				} else if (hours > 0) {
  77. 					let hoursText = hours === 1 ? 'hour' : 'hours';
  78. 					let minutesText = minutes === 1 ? 'minute' : 'minutes';
  79. 					onlineStatus = `${hours} ${hoursText} and ${minutes} ${minutesText} ago `;
  80. 				} else {
  81. 					let minutesText = minutes === 1 ? 'minute' : 'minutes';
  82. 					onlineStatus = `${minutes} ${minutesText} ago `;
  83. 				}
  84.  
  85. 				let row = friendsTable.rows[index + 1];
  86. 				let newCell = row.cells[row.cells.length - 1];
  87.  
  88. 				newCell.innerText = onlineStatus;
  89. 			}
  90. 		});
  91. 	}, 1000 * index);
  92. });