import { UserOperation, Comment, User, SortType, ListingType } from './interfaces'; import * as markdown_it from 'markdown-it'; export let repoUrl = 'https://github.com/dessalines/lemmy'; export function msgOp(msg: any): UserOperation { let opStr: string = msg.op; return UserOperation[opStr]; } var md = new markdown_it({ html: true, linkify: true, typographer: true }); export function hotRank(comment: Comment): number { // Rank = ScaleFactor * sign(Score) * log(1 + abs(Score)) / (Time + 2)^Gravity let date: Date = new Date(comment.published + 'Z'); // Add Z to convert from UTC date let now: Date = new Date(); let hoursElapsed: number = (now.getTime() - date.getTime()) / 36e5; let rank = (10000 * Math.log10(Math.max(1, 3 + comment.score))) / Math.pow(hoursElapsed + 2, 1.8); // console.log(`Comment: ${comment.content}\nRank: ${rank}\nScore: ${comment.score}\nHours: ${hoursElapsed}`); return rank; } export function mdToHtml(text: string) { return {__html: md.render(text)}; } export function getUnixTime(text: string): number { return text ? new Date(text).getTime()/1000 : undefined; } export function addTypeInfo(arr: Array, name: string): Array<{type_: string, data: T}> { return arr.map(e => {return {type_: name, data: e}}); } export function canMod(user: User, modIds: Array, creator_id: number): boolean { // You can do moderator actions only on the mods added after you. if (user) { let yourIndex = modIds.findIndex(id => id == user.id); if (yourIndex == -1) { return false; } else { modIds = modIds.slice(0, yourIndex+1); // +1 cause you cant mod yourself return !modIds.includes(creator_id); } } else { return false; } } export function isMod(modIds: Array, creator_id: number): boolean { return modIds.includes(creator_id); } var imageRegex = new RegExp(`(http)?s?:?(\/\/[^"']*\.(?:png|jpg|jpeg|gif|png|svg))`); export function isImage(url: string) { return imageRegex.test(url); } export let fetchLimit: number = 20; export function capitalizeFirstLetter(str: string): string { return str.charAt(0).toUpperCase() + str.slice(1); } export function routeSortTypeToEnum(sort: string): SortType { if (sort == 'new') { return SortType.New; } else if (sort == 'hot') { return SortType.Hot; } else if (sort == 'topday') { return SortType.TopDay; } else if (sort == 'topweek') { return SortType.TopWeek; } else if (sort == 'topmonth') { return SortType.TopMonth; } else if (sort == 'topall') { return SortType.TopAll; } } export function routeListingTypeToEnum(type: string): ListingType { return ListingType[capitalizeFirstLetter(type)]; }