Tristan Yang
244 lines
7.3 KiB
TypeScript
244 lines
7.3 KiB
TypeScript
import BASE_URL, { FILE_IMAGE_SIZE, ContentTypes, KEY_TOKEN, KEY_REFRESH_TOKEN, KEY_EXPIRE } from "../app/config";
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import IconPdf from "../assets/icons/file.pdf.svg";
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import IconAudio from "../assets/icons/file.audio.svg";
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import IconVideo from "../assets/icons/file.video.svg";
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import IconUnknown from "../assets/icons/file.unknown.svg";
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import IconDoc from "../assets/icons/file.doc.svg";
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import IconCode from "../assets/icons/file.code.svg";
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import IconImage from "../assets/icons/file.image.svg";
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import { Archive, ArchiveMessage } from "../types/resource";
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export const getLocalAuthData = () => {
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return {
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token: localStorage.getItem(KEY_TOKEN) || "",
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refreshToken: localStorage.getItem(KEY_REFRESH_TOKEN) || "",
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expireTime: Number(localStorage.getItem(KEY_EXPIRE) || +new Date())
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};
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};
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export const isImage = (file_type = "", size = 0) => {
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return file_type.startsWith("image") && size <= FILE_IMAGE_SIZE;
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};
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export const isTreatAsImage = (file: File) => {
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const { type, size } = file;
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if (type.startsWith("image")) {
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return size < 1024 * 1024; // 10MB
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}
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return false;
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};
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export function getDefaultSize(size?: { width: number; height: number }, min = 480) {
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if (!size) return { width: 0, height: 0 };
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const { width: oWidth, height: oHeight } = size;
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if (oWidth == oHeight) {
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const tmp = min > oWidth ? oWidth : min;
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return { width: tmp, height: tmp };
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}
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const isVertical = oWidth <= oHeight;
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let dWidth = 0;
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let dHeight = 0;
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if (isVertical) {
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dHeight = oHeight >= min ? min : oHeight;
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dWidth = (oWidth / oHeight) * dHeight;
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} else {
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dWidth = oWidth >= min ? min : oWidth;
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dHeight = (oHeight / oWidth) * dWidth;
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}
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return { width: dWidth, height: dHeight };
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}
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export function formatBytes(bytes: number, decimals = 2) {
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if (bytes === 0) return "0 Bytes";
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const k = 1000;
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const dm = decimals < 0 ? 0 : decimals;
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const sizes = ["Bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + " " + sizes[i];
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}
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export const getImageSize = (url: string) => {
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const size = { width: 0, height: 0 };
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if (!url) return size;
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return new Promise((resolve) => {
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const img = new Image();
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img.src = url;
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img.onload = () => {
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size.width = img.width;
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size.height = img.height;
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resolve(size);
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};
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img.onerror = () => {
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resolve(size);
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};
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});
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};
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export const getInitials = (name: string, length: number = 4) => {
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const arr = name
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.split(
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// eslint-disable-next-line no-misleading-character-class
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/[\u0009\u000a\u000b\u000c\u000d\u0020\u0085\u00a0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u200c\u200d\u2028\u2029\u202f\u205f\u2060\u3000\ufeff]/
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)
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.filter((n) => !!n);
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const initialArr = arr.map((t) => [...t][0]);
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initialArr.length = length;
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return initialArr.join("").toUpperCase();
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};
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export const getInitialsAvatar = ({
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initials = "UK",
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initial_size = 0,
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size = 200,
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foreground = "#fff",
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background = "#4c99e9",
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weight = 400,
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fontFamily = "'Lato', 'Lato-Regular', 'Helvetica Neue'"
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}) => {
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const canvas = document.createElement("canvas");
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const width = size;
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const height = size;
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const devicePixelRatio = Math.max(window.devicePixelRatio, 1);
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canvas.width = width * devicePixelRatio;
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canvas.height = height * devicePixelRatio;
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canvas.style.width = `${width}px`;
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canvas.style.height = `${height}px`;
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const context = canvas.getContext("2d") as CanvasRenderingContext2D;
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context.scale(devicePixelRatio, devicePixelRatio);
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context.rect(0, 0, canvas.width, canvas.height);
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context.fillStyle = background;
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context.fill();
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// 多于两个字符，自动缩放
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const subtract =
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initials.length > 3 ? 50 : initials.length > 2 ? 40 : initials.length == 2 ? 30 : 0;
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context.font = `${weight} ${((initial_size || height) - subtract) / 2}px ${fontFamily}`;
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context.textAlign = "center";
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context.textBaseline = "middle";
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context.fillStyle = foreground;
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context.fillText(initials, width / 2, height / 2);
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/* istanbul ignore next */
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return canvas.toDataURL("image/png");
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};
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/**
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* @param {File|Blob} - file to slice
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* @param {Number} - chunksAmount
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* @return {Array} - an array of Blobs
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**/
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export function sliceFile(file: File | null, chunksAmount: number) {
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if (!file) return null;
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let byteIndex = 0;
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let chunks = [];
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for (let i = 0; i < chunksAmount; i += 1) {
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let byteEnd = Math.ceil((file.size / chunksAmount) * (i + 1));
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chunks.push(file.slice(byteIndex, byteEnd));
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byteIndex += byteEnd - byteIndex;
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}
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return chunks;
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}
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export const getFileIcon = (type: string, name = "") => {
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let icon = null;
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const checks = {
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image: /^image/gi,
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audio: /^audio/gi,
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video: /^video/gi,
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code: /(json|javascript|java|rb|c|php|xml|css|html)$/gi,
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doc: /^text/gi,
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pdf: /\/pdf$/gi
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};
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const _arr = name.split(".");
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const _type = type || _arr[_arr.length - 1];
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switch (true) {
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case checks.image.test(_type):
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{
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icon = <IconImage className="icon" />;
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}
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break;
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case checks.pdf.test(_type):
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icon = <IconPdf className="icon" />;
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break;
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case checks.code.test(_type):
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icon = <IconCode className="icon" />;
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break;
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case checks.doc.test(_type):
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icon = <IconDoc className="icon" />;
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break;
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case checks.audio.test(_type):
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icon = <IconAudio className="icon" />;
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break;
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case checks.video.test(_type):
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icon = <IconVideo className="icon" />;
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break;
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default:
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icon = <IconUnknown className="icon" />;
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break;
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}
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return icon;
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};
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export const normalizeArchiveData = (
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data: Archive | null,
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filePath: string | null,
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uid?: number
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) => {
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if (!data || !filePath) return [];
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const { messages, users } = data;
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const getUrls = (
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uid: number | undefined,
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{
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content,
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content_type,
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file_id,
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thumbnail_id,
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filePath,
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avatar
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}: Partial<ArchiveMessage> & {
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filePath: string;
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avatar?: number | string;
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}
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) => {
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// uid存在，则favorite，否则archive
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const prefix = uid
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? `${BASE_URL}/favorite/attachment/${uid}/${filePath}/`
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: `${BASE_URL}/resource/archive/attachment?file_path=${filePath}&attachment_id=`;
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return {
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transformedContent: content_type == ContentTypes.file ? `${prefix}${file_id}` : content,
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thumbnail: content_type == ContentTypes.file ? `${prefix}${thumbnail_id}` : "",
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download:
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content_type == ContentTypes.file
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? `${prefix}${file_id}${uid ? "?" : "&"}download=true`
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: "",
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avatarUrl: avatar !== null ? `${prefix}${avatar}` : ""
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};
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};
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return messages.map(
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({ source, mid, content, file_id, thumbnail_id, content_type, properties, from_user }) => {
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let user = users[from_user] ?? {};
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const { transformedContent, thumbnail, download, avatarUrl } = getUrls(uid, {
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content,
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content_type,
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filePath,
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file_id,
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thumbnail_id,
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avatar: user.avatar
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});
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user.avatar = avatarUrl;
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return {
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source,
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from_mid: mid,
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user,
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content: transformedContent,
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content_type,
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properties,
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download,
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thumbnail
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};
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}
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);
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};
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