import { None, Option, Result, Some } from "@sniptt/monads";
import { ClassConstructor, deserialize, serialize } from "class-transformer";
import emojiShortName from "emoji-short-name";
import {
BlockCommunityResponse,
BlockPersonResponse,
CommentReportView,
CommentView,
CommunityBlockView,
CommunityModeratorView,
CommunityView,
GetSiteMetadata,
GetSiteResponse,
LemmyHttp,
LemmyWebsocket,
ListingType,
MyUserInfo,
PersonBlockView,
PersonSafe,
PersonViewSafe,
PostReportView,
PostView,
PrivateMessageView,
RegistrationApplicationView,
Search,
SearchType,
SortType,
} from "lemmy-js-client";
import markdown_it from "markdown-it";
import markdown_it_container from "markdown-it-container";
import markdown_it_footnote from "markdown-it-footnote";
import markdown_it_html5_embed from "markdown-it-html5-embed";
import markdown_it_sub from "markdown-it-sub";
import markdown_it_sup from "markdown-it-sup";
import moment from "moment";
import { Subscription } from "rxjs";
import { delay, retryWhen, take } from "rxjs/operators";
import tippy from "tippy.js";
import Toastify from "toastify-js";
import { httpBase } from "./env";
import { i18n, languages } from "./i18next";
import {
CommentNode as CommentNodeI,
CommentSortType,
DataType,
IsoData,
} from "./interfaces";
import { UserService, WebSocketService } from "./services";
var Tribute: any;
if (isBrowser()) {
Tribute = require("tributejs");
}
export const wsClient = new LemmyWebsocket();
export const favIconUrl = "/static/assets/icons/favicon.svg";
export const favIconPngUrl = "/static/assets/icons/apple-touch-icon.png";
// TODO
// export const defaultFavIcon = `${window.location.protocol}//${window.location.host}${favIconPngUrl}`;
export const repoUrl = "https://github.com/LemmyNet";
export const joinLemmyUrl = "https://join-lemmy.org";
export const donateLemmyUrl = `${joinLemmyUrl}/donate`;
export const docsUrl = `${joinLemmyUrl}/docs/en/index.html`;
export const helpGuideUrl = `${joinLemmyUrl}/docs/en/about/guide.html`; // TODO find a way to redirect to the non-en folder
export const markdownHelpUrl = `${helpGuideUrl}#using-markdown`;
export const sortingHelpUrl = `${helpGuideUrl}#sorting`;
export const archiveTodayUrl = "https://archive.today";
export const ghostArchiveUrl = "https://ghostarchive.org";
export const webArchiveUrl = "https://web.archive.org";
export const elementUrl = "https://element.io";
export const postRefetchSeconds: number = 60 * 1000;
export const fetchLimit = 20;
export const trendingFetchLimit = 6;
export const mentionDropdownFetchLimit = 10;
export const relTags = "noopener nofollow";
const DEFAULT_ALPHABET =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
function getRandomCharFromAlphabet(alphabet: string): string {
return alphabet.charAt(Math.floor(Math.random() * alphabet.length));
}
export function randomStr(
idDesiredLength = 20,
alphabet = DEFAULT_ALPHABET
): string {
/**
* Create n-long array and map it to random chars from given alphabet.
* Then join individual chars as string
*/
return Array.from({ length: idDesiredLength })
.map(() => {
return getRandomCharFromAlphabet(alphabet);
})
.join("");
}
export const md = new markdown_it({
html: false,
linkify: true,
typographer: true,
})
.use(markdown_it_sub)
.use(markdown_it_sup)
.use(markdown_it_footnote)
.use(markdown_it_html5_embed, {
html5embed: {
useImageSyntax: true, // Enables video/audio embed with ![]() syntax (default)
attributes: {
audio: 'controls preload="metadata"',
video:
'width="100%" max-height="100%" controls loop preload="metadata"',
},
},
})
.use(markdown_it_container, "spoiler", {
validate: function (params: any) {
return params.trim().match(/^spoiler\s+(.*)$/);
},
render: function (tokens: any, idx: any) {
var m = tokens[idx].info.trim().match(/^spoiler\s+(.*)$/);
if (tokens[idx].nesting === 1) {
// opening tag
return ` ${md.utils.escapeHtml(m[1])}
\n`;
} else {
// closing tag
return " \n";
}
},
});
export function hotRankComment(comment_view: CommentView): number {
return hotRank(comment_view.counts.score, comment_view.comment.published);
}
export function hotRankActivePost(post_view: PostView): number {
return hotRank(post_view.counts.score, post_view.counts.newest_comment_time);
}
export function hotRankPost(post_view: PostView): number {
return hotRank(post_view.counts.score, post_view.post.published);
}
export function hotRank(score: number, timeStr: string): number {
// Rank = ScaleFactor * sign(Score) * log(1 + abs(Score)) / (Time + 2)^Gravity
let date: Date = new Date(timeStr + "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 + 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 futureDaysToUnixTime(days: number): number {
return days
? Math.trunc(
new Date(Date.now() + 1000 * 60 * 60 * 24 * days).getTime() / 1000
)
: undefined;
}
export function canMod(
mods: Option,
admins: Option,
creator_id: number,
myUserInfo = UserService.Instance.myUserInfo,
onSelf = false
): boolean {
// You can do moderator actions only on the mods added after you.
let adminsThenMods = admins
.unwrapOr([])
.map(a => a.person.id)
.concat(mods.unwrapOr([]).map(m => m.moderator.id));
return myUserInfo.match({
some: me => {
let myIndex = adminsThenMods.findIndex(
id => id == me.local_user_view.person.id
);
if (myIndex == -1) {
return false;
} else {
// onSelf +1 on mod actions not for yourself, IE ban, remove, etc
adminsThenMods = adminsThenMods.slice(0, myIndex + (onSelf ? 0 : 1));
return !adminsThenMods.includes(creator_id);
}
},
none: false,
});
}
export function canAdmin(
admins: Option,
creator_id: number,
myUserInfo = UserService.Instance.myUserInfo
): boolean {
return canMod(None, admins, creator_id, myUserInfo);
}
export function isMod(
mods: Option,
creator_id: number
): boolean {
return mods.match({
some: mods => mods.map(m => m.moderator.id).includes(creator_id),
none: false,
});
}
export function amMod(
mods: Option,
myUserInfo = UserService.Instance.myUserInfo
): boolean {
return myUserInfo.match({
some: mui => isMod(mods, mui.local_user_view.person.id),
none: false,
});
}
export function isAdmin(
admins: Option,
creator_id: number
): boolean {
return admins.match({
some: admins => admins.map(a => a.person.id).includes(creator_id),
none: false,
});
}
export function amAdmin(
admins: Option,
myUserInfo = UserService.Instance.myUserInfo
): boolean {
return myUserInfo.match({
some: mui => isAdmin(admins, mui.local_user_view.person.id),
none: false,
});
}
export function amCommunityCreator(
mods: Option,
creator_id: number,
myUserInfo = UserService.Instance.myUserInfo
): boolean {
return mods.match({
some: mods =>
myUserInfo
.map(mui => mui.local_user_view.person.id)
.match({
some: myId =>
myId == mods[0].moderator.id &&
// Don't allow mod actions on yourself
myId != creator_id,
none: false,
}),
none: false,
});
}
export function amSiteCreator(
admins: Option,
creator_id: number,
myUserInfo = UserService.Instance.myUserInfo
): boolean {
return admins.match({
some: admins =>
myUserInfo
.map(mui => mui.local_user_view.person.id)
.match({
some: myId =>
myId == admins[0].person.id &&
// Don't allow mod actions on yourself
myId != creator_id,
none: false,
}),
none: false,
});
}
export function amTopMod(
mods: Option,
myUserInfo = UserService.Instance.myUserInfo
): boolean {
return mods.match({
some: mods =>
myUserInfo.match({
some: mui => mods[0].moderator.id == mui.local_user_view.person.id,
none: false,
}),
none: false,
});
}
const imageRegex = /(http)?s?:?(\/\/[^"']*\.(?:jpg|jpeg|gif|png|svg|webp))/;
const videoRegex = /(http)?s?:?(\/\/[^"']*\.(?:mp4|webm))/;
export function isImage(url: string) {
return imageRegex.test(url);
}
export function isVideo(url: string) {
return videoRegex.test(url);
}
export function validURL(str: string) {
return !!new URL(str);
}
export function communityRSSUrl(actorId: string, sort: string): string {
let url = new URL(actorId);
return `${url.origin}/feeds${url.pathname}.xml?sort=${sort}`;
}
export function validEmail(email: string) {
let re =
/^(([^\s"(),.:;<>@[\\\]]+(\.[^\s"(),.:;<>@[\\\]]+)*)|(".+"))@((\[(?:\d{1,3}\.){3}\d{1,3}])|(([\dA-Za-z\-]+\.)+[A-Za-z]{2,}))$/;
return re.test(String(email).toLowerCase());
}
export function capitalizeFirstLetter(str: string): string {
return str.charAt(0).toUpperCase() + str.slice(1);
}
export function routeSortTypeToEnum(sort: string): SortType {
return SortType[sort];
}
export function listingTypeFromNum(type_: number): ListingType {
return Object.values(ListingType)[type_];
}
export function sortTypeFromNum(type_: number): SortType {
return Object.values(SortType)[type_];
}
export function routeListingTypeToEnum(type: string): ListingType {
return ListingType[type];
}
export function routeDataTypeToEnum(type: string): DataType {
return DataType[capitalizeFirstLetter(type)];
}
export function routeSearchTypeToEnum(type: string): SearchType {
return SearchType[type];
}
export async function getSiteMetadata(url: string) {
let form = new GetSiteMetadata({
url,
});
let client = new LemmyHttp(httpBase);
return client.getSiteMetadata(form);
}
export function debounce(func: any, wait = 1000, immediate = false) {
// 'private' variable for instance
// The returned function will be able to reference this due to closure.
// Each call to the returned function will share this common timer.
let timeout: any;
// Calling debounce returns a new anonymous function
return function () {
// reference the context and args for the setTimeout function
var args = arguments;
// Should the function be called now? If immediate is true
// and not already in a timeout then the answer is: Yes
var callNow = immediate && !timeout;
// This is the basic debounce behaviour where you can call this
// function several times, but it will only execute once
// [before or after imposing a delay].
// Each time the returned function is called, the timer starts over.
clearTimeout(timeout);
// Set the new timeout
timeout = setTimeout(function () {
// Inside the timeout function, clear the timeout variable
// which will let the next execution run when in 'immediate' mode
timeout = null;
// Check if the function already ran with the immediate flag
if (!immediate) {
// Call the original function with apply
// apply lets you define the 'this' object as well as the arguments
// (both captured before setTimeout)
func.apply(this, args);
}
}, wait);
// Immediate mode and no wait timer? Execute the function..
if (callNow) func.apply(this, args);
};
}
export function getLanguages(
override?: string,
myUserInfo = UserService.Instance.myUserInfo
): string[] {
let myLang = myUserInfo
.map(m => m.local_user_view.local_user.lang)
.unwrapOr("browser");
let lang = override || myLang;
if (lang == "browser" && isBrowser()) {
return getBrowserLanguages();
} else {
return [lang];
}
}
function getBrowserLanguages(): string[] {
// Intersect lemmy's langs, with the browser langs
let langs = languages ? languages.map(l => l.code) : ["en"];
// NOTE, mobile browsers seem to be missing this list, so append en
let allowedLangs = navigator.languages
.concat("en")
.filter(v => langs.includes(v));
return allowedLangs;
}
export async function fetchThemeList(): Promise {
return fetch("/css/themelist").then(res => res.json());
}
export async function setTheme(theme: string, forceReload = false) {
if (!isBrowser()) {
return;
}
if (theme === "browser" && !forceReload) {
return;
}
// This is only run on a force reload
if (theme == "browser") {
theme = "darkly";
}
let themeList = await fetchThemeList();
// Unload all the other themes
for (var i = 0; i < themeList.length; i++) {
let styleSheet = document.getElementById(themeList[i]);
if (styleSheet) {
styleSheet.setAttribute("disabled", "disabled");
}
}
document
.getElementById("default-light")
?.setAttribute("disabled", "disabled");
document.getElementById("default-dark")?.setAttribute("disabled", "disabled");
// Load the theme dynamically
let cssLoc = `/css/themes/${theme}.css`;
loadCss(theme, cssLoc);
document.getElementById(theme).removeAttribute("disabled");
}
export function loadCss(id: string, loc: string) {
if (!document.getElementById(id)) {
var head = document.getElementsByTagName("head")[0];
var link = document.createElement("link");
link.id = id;
link.rel = "stylesheet";
link.type = "text/css";
link.href = loc;
link.media = "all";
head.appendChild(link);
}
}
export function objectFlip(obj: any) {
const ret = {};
Object.keys(obj).forEach(key => {
ret[obj[key]] = key;
});
return ret;
}
export function showAvatars(
myUserInfo: Option = UserService.Instance.myUserInfo
): boolean {
return myUserInfo
.map(m => m.local_user_view.local_user.show_avatars)
.unwrapOr(true);
}
export function showScores(
myUserInfo: Option = UserService.Instance.myUserInfo
): boolean {
return myUserInfo
.map(m => m.local_user_view.local_user.show_scores)
.unwrapOr(true);
}
export function isCakeDay(published: string): boolean {
// moment(undefined) or moment.utc(undefined) returns the current date/time
// moment(null) or moment.utc(null) returns null
const createDate = moment.utc(published).local();
const currentDate = moment(new Date());
return (
createDate.date() === currentDate.date() &&
createDate.month() === currentDate.month() &&
createDate.year() !== currentDate.year()
);
}
export function toast(text: string, background = "success") {
if (isBrowser()) {
let backgroundColor = `var(--${background})`;
Toastify({
text: text,
backgroundColor: backgroundColor,
gravity: "bottom",
position: "left",
}).showToast();
}
}
export function pictrsDeleteToast(
clickToDeleteText: string,
deletePictureText: string,
deleteUrl: string
) {
if (isBrowser()) {
let backgroundColor = `var(--light)`;
let toast = Toastify({
text: clickToDeleteText,
backgroundColor: backgroundColor,
gravity: "top",
position: "right",
duration: 10000,
onClick: () => {
if (toast) {
window.location.replace(deleteUrl);
alert(deletePictureText);
toast.hideToast();
}
},
close: true,
}).showToast();
}
}
interface NotifyInfo {
name: string;
icon: Option;
link: string;
body: string;
}
export function messageToastify(info: NotifyInfo, router: any) {
if (isBrowser()) {
let htmlBody = info.body ? md.render(info.body) : "";
let backgroundColor = `var(--light)`;
let toast = Toastify({
text: `${htmlBody}
${info.name}`,
avatar: info.icon,
backgroundColor: backgroundColor,
className: "text-dark",
close: true,
gravity: "top",
position: "right",
duration: 5000,
escapeMarkup: false,
onClick: () => {
if (toast) {
toast.hideToast();
router.history.push(info.link);
}
},
}).showToast();
}
}
export function notifyPost(post_view: PostView, router: any) {
let info: NotifyInfo = {
name: post_view.community.name,
icon: post_view.community.icon,
link: `/post/${post_view.post.id}`,
body: post_view.post.name,
};
notify(info, router);
}
export function notifyComment(comment_view: CommentView, router: any) {
let info: NotifyInfo = {
name: comment_view.creator.name,
icon: comment_view.creator.avatar,
link: `/post/${comment_view.post.id}/comment/${comment_view.comment.id}`,
body: comment_view.comment.content,
};
notify(info, router);
}
export function notifyPrivateMessage(pmv: PrivateMessageView, router: any) {
let info: NotifyInfo = {
name: pmv.creator.name,
icon: pmv.creator.avatar,
link: `/inbox`,
body: pmv.private_message.content,
};
notify(info, router);
}
function notify(info: NotifyInfo, router: any) {
messageToastify(info, router);
// TODO absolute nightmare bug, but notifs are currently broken.
// Notification.new will try to do a browser fetch ???
// if (Notification.permission !== "granted") Notification.requestPermission();
// else {
// var notification = new Notification(info.name, {
// icon: info.icon,
// body: info.body,
// });
// notification.onclick = (ev: Event): any => {
// ev.preventDefault();
// router.history.push(info.link);
// };
// }
}
export function setupTribute() {
return new Tribute({
noMatchTemplate: function () {
return "";
},
collection: [
// Emojis
{
trigger: ":",
menuItemTemplate: (item: any) => {
let shortName = `:${item.original.key}:`;
return `${item.original.val} ${shortName}`;
},
selectTemplate: (item: any) => {
return `${item.original.val}`;
},
values: Object.entries(emojiShortName).map(e => {
return { key: e[1], val: e[0] };
}),
allowSpaces: false,
autocompleteMode: true,
// TODO
// menuItemLimit: mentionDropdownFetchLimit,
menuShowMinLength: 2,
},
// Persons
{
trigger: "@",
selectTemplate: (item: any) => {
let it: PersonTribute = item.original;
return `[${it.key}](${it.view.person.actor_id})`;
},
values: debounce(async (text: string, cb: any) => {
cb(await personSearch(text));
}),
allowSpaces: false,
autocompleteMode: true,
// TODO
// menuItemLimit: mentionDropdownFetchLimit,
menuShowMinLength: 2,
},
// Communities
{
trigger: "!",
selectTemplate: (item: any) => {
let it: CommunityTribute = item.original;
return `[${it.key}](${it.view.community.actor_id})`;
},
values: debounce(async (text: string, cb: any) => {
cb(await communitySearch(text));
}),
allowSpaces: false,
autocompleteMode: true,
// TODO
// menuItemLimit: mentionDropdownFetchLimit,
menuShowMinLength: 2,
},
],
});
}
var tippyInstance: any;
if (isBrowser()) {
tippyInstance = tippy("[data-tippy-content]");
}
export function setupTippy() {
if (isBrowser()) {
tippyInstance.forEach((e: any) => e.destroy());
tippyInstance = tippy("[data-tippy-content]", {
delay: [500, 0],
// Display on "long press"
touch: ["hold", 500],
});
}
}
interface PersonTribute {
key: string;
view: PersonViewSafe;
}
async function personSearch(text: string): Promise {
let users = (await fetchUsers(text)).users;
let persons: PersonTribute[] = users.map(pv => {
let tribute: PersonTribute = {
key: `@${pv.person.name}@${hostname(pv.person.actor_id)}`,
view: pv,
};
return tribute;
});
return persons;
}
interface CommunityTribute {
key: string;
view: CommunityView;
}
async function communitySearch(text: string): Promise {
let comms = (await fetchCommunities(text)).communities;
let communities: CommunityTribute[] = comms.map(cv => {
let tribute: CommunityTribute = {
key: `!${cv.community.name}@${hostname(cv.community.actor_id)}`,
view: cv,
};
return tribute;
});
return communities;
}
export function getListingTypeFromProps(
props: any,
defaultListingType: ListingType,
myUserInfo = UserService.Instance.myUserInfo
): ListingType {
return props.match.params.listing_type
? routeListingTypeToEnum(props.match.params.listing_type)
: myUserInfo.match({
some: me =>
Object.values(ListingType)[
me.local_user_view.local_user.default_listing_type
],
none: defaultListingType,
});
}
export function getListingTypeFromPropsNoDefault(props: any): ListingType {
return props.match.params.listing_type
? routeListingTypeToEnum(props.match.params.listing_type)
: ListingType.Local;
}
// TODO might need to add a user setting for this too
export function getDataTypeFromProps(props: any): DataType {
return props.match.params.data_type
? routeDataTypeToEnum(props.match.params.data_type)
: DataType.Post;
}
export function getSortTypeFromProps(
props: any,
myUserInfo = UserService.Instance.myUserInfo
): SortType {
return props.match.params.sort
? routeSortTypeToEnum(props.match.params.sort)
: myUserInfo.match({
some: mui =>
Object.values(SortType)[
mui.local_user_view.local_user.default_sort_type
],
none: SortType.Active,
});
}
export function getPageFromProps(props: any): number {
return props.match.params.page ? Number(props.match.params.page) : 1;
}
export function getRecipientIdFromProps(props: any): number {
return props.match.params.recipient_id
? Number(props.match.params.recipient_id)
: 1;
}
export function getIdFromProps(props: any): number {
return Number(props.match.params.id);
}
export function getCommentIdFromProps(props: any): number {
return Number(props.match.params.comment_id);
}
export function getUsernameFromProps(props: any): string {
return props.match.params.username;
}
export function editCommentRes(data: CommentView, comments: CommentView[]) {
let found = comments.find(c => c.comment.id == data.comment.id);
if (found) {
found.comment.content = data.comment.content;
found.comment.updated = data.comment.updated;
found.comment.removed = data.comment.removed;
found.comment.deleted = data.comment.deleted;
found.counts.upvotes = data.counts.upvotes;
found.counts.downvotes = data.counts.downvotes;
found.counts.score = data.counts.score;
}
}
export function saveCommentRes(data: CommentView, comments: CommentView[]) {
let found = comments.find(c => c.comment.id == data.comment.id);
if (found) {
found.saved = data.saved;
}
}
// TODO Should only use the return now, no state?
export function updatePersonBlock(
data: BlockPersonResponse,
myUserInfo = UserService.Instance.myUserInfo
): Option {
return myUserInfo.match({
some: (mui: MyUserInfo) => {
if (data.blocked) {
mui.person_blocks.push({
person: mui.local_user_view.person,
target: data.person_view.person,
});
toast(`${i18n.t("blocked")} ${data.person_view.person.name}`);
} else {
mui.person_blocks = mui.person_blocks.filter(
i => i.target.id != data.person_view.person.id
);
toast(`${i18n.t("unblocked")} ${data.person_view.person.name}`);
}
return Some(mui.person_blocks);
},
none: None,
});
}
export function updateCommunityBlock(
data: BlockCommunityResponse,
myUserInfo = UserService.Instance.myUserInfo
): Option {
return myUserInfo.match({
some: (mui: MyUserInfo) => {
if (data.blocked) {
mui.community_blocks.push({
person: mui.local_user_view.person,
community: data.community_view.community,
});
toast(`${i18n.t("blocked")} ${data.community_view.community.name}`);
} else {
mui.community_blocks = mui.community_blocks.filter(
i => i.community.id != data.community_view.community.id
);
toast(`${i18n.t("unblocked")} ${data.community_view.community.name}`);
}
return Some(mui.community_blocks);
},
none: None,
});
}
export function createCommentLikeRes(
data: CommentView,
comments: CommentView[]
) {
let found = comments.find(c => c.comment.id === data.comment.id);
if (found) {
found.counts.score = data.counts.score;
found.counts.upvotes = data.counts.upvotes;
found.counts.downvotes = data.counts.downvotes;
if (data.my_vote !== null) {
found.my_vote = data.my_vote;
}
}
}
export function createPostLikeFindRes(data: PostView, posts: PostView[]) {
let found = posts.find(p => p.post.id == data.post.id);
if (found) {
createPostLikeRes(data, found);
}
}
export function createPostLikeRes(data: PostView, post_view: PostView) {
if (post_view) {
post_view.counts.score = data.counts.score;
post_view.counts.upvotes = data.counts.upvotes;
post_view.counts.downvotes = data.counts.downvotes;
if (data.my_vote !== null) {
post_view.my_vote = data.my_vote;
}
}
}
export function editPostFindRes(data: PostView, posts: PostView[]) {
let found = posts.find(p => p.post.id == data.post.id);
if (found) {
editPostRes(data, found);
}
}
export function editPostRes(data: PostView, post: PostView) {
if (post) {
post.post.url = data.post.url;
post.post.name = data.post.name;
post.post.nsfw = data.post.nsfw;
post.post.deleted = data.post.deleted;
post.post.removed = data.post.removed;
post.post.stickied = data.post.stickied;
post.post.body = data.post.body;
post.post.locked = data.post.locked;
post.saved = data.saved;
}
}
export function updatePostReportRes(
data: PostReportView,
reports: PostReportView[]
) {
let found = reports.find(p => p.post_report.id == data.post_report.id);
if (found) {
found.post_report = data.post_report;
}
}
export function updateCommentReportRes(
data: CommentReportView,
reports: CommentReportView[]
) {
let found = reports.find(c => c.comment_report.id == data.comment_report.id);
if (found) {
found.comment_report = data.comment_report;
}
}
export function updateRegistrationApplicationRes(
data: RegistrationApplicationView,
applications: RegistrationApplicationView[]
) {
let found = applications.find(
ra => ra.registration_application.id == data.registration_application.id
);
if (found) {
found.registration_application = data.registration_application;
found.admin = data.admin;
found.creator_local_user = data.creator_local_user;
}
}
export function commentsToFlatNodes(comments: CommentView[]): CommentNodeI[] {
let nodes: CommentNodeI[] = [];
for (let comment of comments) {
nodes.push({ comment_view: comment });
}
return nodes;
}
function commentSort(tree: CommentNodeI[], sort: CommentSortType) {
// First, put removed and deleted comments at the bottom, then do your other sorts
if (sort == CommentSortType.Top) {
tree.sort(
(a, b) =>
+a.comment_view.comment.removed - +b.comment_view.comment.removed ||
+a.comment_view.comment.deleted - +b.comment_view.comment.deleted ||
b.comment_view.counts.score - a.comment_view.counts.score
);
} else if (sort == CommentSortType.New) {
tree.sort(
(a, b) =>
+a.comment_view.comment.removed - +b.comment_view.comment.removed ||
+a.comment_view.comment.deleted - +b.comment_view.comment.deleted ||
b.comment_view.comment.published.localeCompare(
a.comment_view.comment.published
)
);
} else if (sort == CommentSortType.Old) {
tree.sort(
(a, b) =>
+a.comment_view.comment.removed - +b.comment_view.comment.removed ||
+a.comment_view.comment.deleted - +b.comment_view.comment.deleted ||
a.comment_view.comment.published.localeCompare(
b.comment_view.comment.published
)
);
} else if (sort == CommentSortType.Hot) {
tree.sort(
(a, b) =>
+a.comment_view.comment.removed - +b.comment_view.comment.removed ||
+a.comment_view.comment.deleted - +b.comment_view.comment.deleted ||
hotRankComment(b.comment_view as CommentView) -
hotRankComment(a.comment_view as CommentView)
);
}
// Go through the children recursively
for (let node of tree) {
if (node.children) {
commentSort(node.children, sort);
}
}
}
export function commentSortSortType(tree: CommentNodeI[], sort: SortType) {
commentSort(tree, convertCommentSortType(sort));
}
function convertCommentSortType(sort: SortType): CommentSortType {
if (
sort == SortType.TopAll ||
sort == SortType.TopDay ||
sort == SortType.TopWeek ||
sort == SortType.TopMonth ||
sort == SortType.TopYear
) {
return CommentSortType.Top;
} else if (sort == SortType.New) {
return CommentSortType.New;
} else if (sort == SortType.Hot || sort == SortType.Active) {
return CommentSortType.Hot;
} else {
return CommentSortType.Hot;
}
}
export function buildCommentsTree(
comments: CommentView[],
commentSortType: CommentSortType
): CommentNodeI[] {
let map = new Map();
for (let comment_view of comments) {
let node: CommentNodeI = {
comment_view: comment_view,
children: [],
depth: 0,
};
map.set(comment_view.comment.id, { ...node });
}
let tree: CommentNodeI[] = [];
for (let comment_view of comments) {
let child = map.get(comment_view.comment.id);
let parent_id = comment_view.comment.parent_id;
parent_id.match({
some: parentId => {
let parent = map.get(parentId);
// Necessary because blocked comment might not exist
if (parent) {
parent.children.push(child);
}
},
none: () => {
tree.push(child);
},
});
setDepth(child);
}
commentSort(tree, commentSortType);
return tree;
}
function setDepth(node: CommentNodeI, i = 0) {
for (let child of node.children) {
child.depth = i;
setDepth(child, i + 1);
}
}
export function insertCommentIntoTree(tree: CommentNodeI[], cv: CommentView) {
// Building a fake node to be used for later
let node: CommentNodeI = {
comment_view: cv,
children: [],
depth: 0,
};
cv.comment.parent_id.match({
some: parentId => {
let parentComment = searchCommentTree(tree, parentId);
parentComment.match({
some: pComment => {
node.depth = pComment.depth + 1;
pComment.children.unshift(node);
},
none: void 0,
});
},
none: () => {
tree.unshift(node);
},
});
}
export function searchCommentTree(
tree: CommentNodeI[],
id: number
): Option {
for (let node of tree) {
if (node.comment_view.comment.id === id) {
return Some(node);
}
for (const child of node.children) {
let res = searchCommentTree([child], id);
if (res.isSome()) {
return res;
}
}
}
return None;
}
export const colorList: string[] = [
hsl(0),
hsl(100),
hsl(150),
hsl(200),
hsl(250),
hsl(300),
];
function hsl(num: number) {
return `hsla(${num}, 35%, 50%, 1)`;
}
export function hostname(url: string): string {
let cUrl = new URL(url);
return cUrl.port ? `${cUrl.hostname}:${cUrl.port}` : `${cUrl.hostname}`;
}
export function validTitle(title?: string): boolean {
// Initial title is null, minimum length is taken care of by textarea's minLength={3}
if (!title || title.length < 3) return true;
const regex = new RegExp(/.*\S.*/, "g");
return regex.test(title);
}
export function siteBannerCss(banner: string): string {
return ` \
background-image: linear-gradient( rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8) ) ,url("${banner}"); \
background-attachment: fixed; \
background-position: top; \
background-repeat: no-repeat; \
background-size: 100% cover; \
width: 100%; \
max-height: 100vh; \
`;
}
export function isBrowser() {
return typeof window !== "undefined";
}
export function setIsoData(
context: any,
cls1?: ClassConstructor,
cls2?: ClassConstructor,
cls3?: ClassConstructor,
cls4?: ClassConstructor,
cls5?: ClassConstructor
): IsoData {
// If its the browser, you need to deserialize the data from the window
if (isBrowser()) {
let json = window.isoData;
let routeData = json.routeData;
let routeDataOut: any[] = [];
// Can't do array looping because of specific type constructor required
if (routeData[0]) {
routeDataOut[0] = convertWindowJson(cls1, routeData[0]);
}
if (routeData[1]) {
routeDataOut[1] = convertWindowJson(cls2, routeData[1]);
}
if (routeData[2]) {
routeDataOut[2] = convertWindowJson(cls3, routeData[2]);
}
if (routeData[3]) {
routeDataOut[3] = convertWindowJson(cls4, routeData[3]);
}
if (routeData[4]) {
routeDataOut[4] = convertWindowJson(cls5, routeData[4]);
}
let site_res = convertWindowJson(GetSiteResponse, json.site_res);
let isoData: IsoData = {
path: json.path,
site_res,
routeData: routeDataOut,
};
return isoData;
} else return context.router.staticContext;
}
/**
* Necessary since window ISOData can't store function types like Option
*/
export function convertWindowJson(cls: ClassConstructor, data: any): T {
return deserialize(cls, serialize(data));
}
export function wsSubscribe(parseMessage: any): Subscription {
if (isBrowser()) {
return WebSocketService.Instance.subject
.pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
.subscribe(
msg => parseMessage(msg),
err => console.error(err),
() => console.log("complete")
);
} else {
return null;
}
}
moment.updateLocale("en", {
relativeTime: {
future: "in %s",
past: "%s ago",
s: "<1m",
ss: "%ds",
m: "1m",
mm: "%dm",
h: "1h",
hh: "%dh",
d: "1d",
dd: "%dd",
w: "1w",
ww: "%dw",
M: "1M",
MM: "%dM",
y: "1Y",
yy: "%dY",
},
});
export function saveScrollPosition(context: any) {
let path: string = context.router.route.location.pathname;
let y = window.scrollY;
sessionStorage.setItem(`scrollPosition_${path}`, y.toString());
}
export function restoreScrollPosition(context: any) {
let path: string = context.router.route.location.pathname;
let y = Number(sessionStorage.getItem(`scrollPosition_${path}`));
window.scrollTo(0, y);
}
export function showLocal(isoData: IsoData): boolean {
return isoData.site_res.federated_instances
.map(f => f.linked.length > 0)
.unwrapOr(false);
}
export interface ChoicesValue {
value: string;
label: string;
}
export function communityToChoice(cv: CommunityView): ChoicesValue {
let choice: ChoicesValue = {
value: cv.community.id.toString(),
label: communitySelectName(cv),
};
return choice;
}
export function personToChoice(pvs: PersonViewSafe): ChoicesValue {
let choice: ChoicesValue = {
value: pvs.person.id.toString(),
label: personSelectName(pvs),
};
return choice;
}
export async function fetchCommunities(q: string) {
let form = new Search({
q,
type_: Some(SearchType.Communities),
sort: Some(SortType.TopAll),
listing_type: Some(ListingType.All),
page: Some(1),
limit: Some(fetchLimit),
community_id: None,
community_name: None,
creator_id: None,
auth: auth(false).ok(),
});
let client = new LemmyHttp(httpBase);
return client.search(form);
}
export async function fetchUsers(q: string) {
let form = new Search({
q,
type_: Some(SearchType.Users),
sort: Some(SortType.TopAll),
listing_type: Some(ListingType.All),
page: Some(1),
limit: Some(fetchLimit),
community_id: None,
community_name: None,
creator_id: None,
auth: auth(false).ok(),
});
let client = new LemmyHttp(httpBase);
return client.search(form);
}
export const choicesConfig = {
shouldSort: false,
searchResultLimit: fetchLimit,
classNames: {
containerOuter: "choices",
containerInner: "choices__inner bg-secondary border-0",
input: "form-control",
inputCloned: "choices__input--cloned",
list: "choices__list",
listItems: "choices__list--multiple",
listSingle: "choices__list--single",
listDropdown: "choices__list--dropdown",
item: "choices__item bg-secondary",
itemSelectable: "choices__item--selectable",
itemDisabled: "choices__item--disabled",
itemChoice: "choices__item--choice",
placeholder: "choices__placeholder",
group: "choices__group",
groupHeading: "choices__heading",
button: "choices__button",
activeState: "is-active",
focusState: "is-focused",
openState: "is-open",
disabledState: "is-disabled",
highlightedState: "text-info",
selectedState: "text-info",
flippedState: "is-flipped",
loadingState: "is-loading",
noResults: "has-no-results",
noChoices: "has-no-choices",
},
};
export const choicesModLogConfig = {
shouldSort: false,
searchResultLimit: fetchLimit,
classNames: {
containerOuter: "choices mb-2 custom-select col-4 px-0",
containerInner: "choices__inner bg-secondary border-0 py-0 modlog-choices-font-size",
input: "form-control",
inputCloned: "choices__input--cloned w-100",
list: "choices__list",
listItems: "choices__list--multiple",
listSingle: "choices__list--single py-0",
listDropdown: "choices__list--dropdown",
item: "choices__item bg-secondary",
itemSelectable: "choices__item--selectable",
itemDisabled: "choices__item--disabled",
itemChoice: "choices__item--choice",
placeholder: "choices__placeholder",
group: "choices__group",
groupHeading: "choices__heading",
button: "choices__button",
activeState: "is-active",
focusState: "is-focused",
openState: "is-open",
disabledState: "is-disabled",
highlightedState: "text-info",
selectedState: "text-info",
flippedState: "is-flipped",
loadingState: "is-loading",
noResults: "has-no-results",
noChoices: "has-no-choices",
},
};
export function communitySelectName(cv: CommunityView): string {
return cv.community.local
? cv.community.title
: `${hostname(cv.community.actor_id)}/${cv.community.title}`;
}
export function personSelectName(pvs: PersonViewSafe): string {
let pName = pvs.person.display_name.unwrapOr(pvs.person.name);
return pvs.person.local ? pName : `${hostname(pvs.person.actor_id)}/${pName}`;
}
export function initializeSite(site: GetSiteResponse) {
UserService.Instance.myUserInfo = site.my_user;
i18n.changeLanguage(getLanguages()[0]);
}
const SHORTNUM_SI_FORMAT = new Intl.NumberFormat("en-US", {
maximumSignificantDigits: 3,
//@ts-ignore
notation: "compact",
compactDisplay: "short",
});
export function numToSI(value: number): string {
return SHORTNUM_SI_FORMAT.format(value);
}
export function isBanned(ps: PersonSafe): boolean {
let expires = ps.ban_expires;
// Add Z to convert from UTC date
// TODO this check probably isn't necessary anymore
if (expires.isSome()) {
if (ps.banned && new Date(expires.unwrap() + "Z") > new Date()) {
return true;
} else {
return false;
}
} else {
return ps.banned;
}
}
export function pushNotNull(array: any[], new_item?: any) {
if (new_item) {
array.push(...new_item);
}
}
export function auth(throwErr = true): Result {
return UserService.Instance.auth(throwErr);
}
export function enableDownvotes(siteRes: GetSiteResponse): boolean {
return siteRes.site_view.map(s => s.site.enable_downvotes).unwrapOr(true);
}
export function enableNsfw(siteRes: GetSiteResponse): boolean {
return siteRes.site_view.map(s => s.site.enable_nsfw).unwrapOr(false);
}