872 lines
20 KiB
TypeScript
872 lines
20 KiB
TypeScript
import removeMarkdown from "@tommoor/remove-markdown";
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import { compact, find, map, uniq } from "lodash";
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import randomstring from "randomstring";
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import {
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Transaction,
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Op,
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QueryTypes,
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FindOptions,
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ScopeOptions,
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} from "sequelize";
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import {
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ForeignKey,
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BelongsTo,
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Column,
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Default,
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Length,
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PrimaryKey,
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Table,
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BeforeValidate,
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BeforeCreate,
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BeforeUpdate,
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HasMany,
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BeforeSave,
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DefaultScope,
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AfterCreate,
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Scopes,
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DataType,
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} from "sequelize-typescript";
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import MarkdownSerializer from "slate-md-serializer";
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import isUUID from "validator/lib/isUUID";
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import { MAX_TITLE_LENGTH } from "@shared/constants";
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import { DateFilter } from "@shared/types";
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import getTasks from "@shared/utils/getTasks";
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import parseTitle from "@shared/utils/parseTitle";
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import { SLUG_URL_REGEX } from "@shared/utils/routeHelpers";
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import unescape from "@shared/utils/unescape";
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import slugify from "@server/utils/slugify";
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import Backlink from "./Backlink";
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import Collection from "./Collection";
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import Revision from "./Revision";
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import Star from "./Star";
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import Team from "./Team";
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import User from "./User";
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import View from "./View";
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import ParanoidModel from "./base/ParanoidModel";
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import Fix from "./decorators/Fix";
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type SearchResponse = {
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results: {
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ranking: number;
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context: string;
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document: Document;
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}[];
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totalCount: number;
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};
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type SearchOptions = {
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limit?: number;
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offset?: number;
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collectionId?: string;
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dateFilter?: DateFilter;
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collaboratorIds?: string[];
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includeArchived?: boolean;
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includeDrafts?: boolean;
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};
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const serializer = new MarkdownSerializer();
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export const DOCUMENT_VERSION = 2;
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@DefaultScope(() => ({
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include: [
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{
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model: User,
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as: "createdBy",
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paranoid: false,
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},
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{
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model: User,
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as: "updatedBy",
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paranoid: false,
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},
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],
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where: {
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publishedAt: {
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[Op.ne]: null,
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},
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},
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}))
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@Scopes(() => ({
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withCollection: (userId: string, paranoid = true) => {
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if (userId) {
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return {
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include: [
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{
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model: Collection.scope({
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method: ["withMembership", userId],
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}),
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as: "collection",
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paranoid,
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},
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],
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};
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}
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return {
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include: [
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{
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model: Collection,
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as: "collection",
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},
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],
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};
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},
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withUnpublished: {
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include: [
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{
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model: User,
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as: "createdBy",
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paranoid: false,
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},
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{
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model: User,
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as: "updatedBy",
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paranoid: false,
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},
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],
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},
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withViews: (userId: string) => {
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if (!userId) return {};
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return {
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include: [
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{
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model: View,
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as: "views",
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where: {
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userId,
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},
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required: false,
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separate: true,
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},
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],
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};
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},
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withStarred: (userId: string) => ({
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include: [
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{
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model: Star,
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as: "starred",
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where: {
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userId,
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},
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required: false,
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separate: true,
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},
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],
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}),
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}))
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@Table({ tableName: "documents", modelName: "document" })
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@Fix
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class Document extends ParanoidModel {
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@PrimaryKey
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@Column
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urlId: string;
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@Length({
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min: 0,
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max: MAX_TITLE_LENGTH,
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msg: `Document title must be less than ${MAX_TITLE_LENGTH} characters`,
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})
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@Column
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title: string;
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@Column(DataType.ARRAY(DataType.STRING))
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previousTitles: string[] = [];
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@Column(DataType.SMALLINT)
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version: number;
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@Column
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template: boolean;
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@Column
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fullWidth: boolean;
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@Column
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editorVersion: string;
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@Column
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emoji: string | null;
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@Column(DataType.TEXT)
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text: string;
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@Column(DataType.BLOB)
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state: Uint8Array;
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@Default(false)
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@Column
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isWelcome: boolean;
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@Default(0)
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@Column(DataType.INTEGER)
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revisionCount: number;
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@Column
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archivedAt: Date | null;
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@Column
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publishedAt: Date | null;
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@Column(DataType.ARRAY(DataType.UUID))
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collaboratorIds: string[] = [];
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// getters
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get url() {
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if (!this.title) return `/doc/untitled-${this.urlId}`;
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const slugifiedTitle = slugify(this.title);
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return `/doc/${slugifiedTitle}-${this.urlId}`;
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}
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get tasks() {
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return getTasks(this.text || "");
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}
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// hooks
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@BeforeSave
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static async updateInCollectionStructure(model: Document) {
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if (!model.publishedAt || model.template) {
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return;
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}
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const collection = await Collection.findByPk(model.collectionId);
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if (!collection) {
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return;
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}
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await collection.updateDocument(model);
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model.collection = collection;
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}
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@AfterCreate
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static async addDocumentToCollectionStructure(model: Document) {
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if (!model.publishedAt || model.template) {
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return;
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}
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const collection = await Collection.findByPk(model.collectionId);
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if (!collection) {
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return;
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}
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await collection.addDocumentToStructure(model, 0);
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model.collection = collection;
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}
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@BeforeValidate
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static createUrlId(model: Document) {
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return (model.urlId = model.urlId || randomstring.generate(10));
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}
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@BeforeCreate
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static setDocumentVersion(model: Document) {
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if (model.version === undefined) {
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model.version = DOCUMENT_VERSION;
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}
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return this.processUpdate(model);
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}
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@BeforeUpdate
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static processUpdate(model: Document) {
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const { emoji } = parseTitle(model.text);
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// emoji in the title is split out for easier display
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model.emoji = emoji || null;
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// ensure documents have a title
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model.title = model.title || "";
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if (model.previous("title") && model.previous("title") !== model.title) {
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if (!model.previousTitles) {
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model.previousTitles = [];
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}
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model.previousTitles = uniq(
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model.previousTitles.concat(model.previous("title"))
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);
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}
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// add the current user as a collaborator on this doc
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if (!model.collaboratorIds) {
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model.collaboratorIds = [];
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}
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model.collaboratorIds = uniq(
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model.collaboratorIds.concat(model.lastModifiedById)
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);
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// increment revision
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model.revisionCount += 1;
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}
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// associations
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@BelongsTo(() => Document, "parentDocumentId")
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parentDocument: Document | null;
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@ForeignKey(() => Document)
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@Column(DataType.UUID)
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parentDocumentId: string | null;
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@BelongsTo(() => User, "lastModifiedById")
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updatedBy: User;
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@ForeignKey(() => User)
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@Column(DataType.UUID)
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lastModifiedById: string;
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@BelongsTo(() => User, "createdById")
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createdBy: User;
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@ForeignKey(() => User)
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@Column(DataType.UUID)
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createdById: string;
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@BelongsTo(() => Document, "templateId")
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document: Document;
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@ForeignKey(() => Document)
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@Column(DataType.UUID)
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templateId: string;
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@BelongsTo(() => Team, "teamId")
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team: Team;
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@ForeignKey(() => Team)
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@Column(DataType.UUID)
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teamId: string;
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@BelongsTo(() => Collection, "collectionId")
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collection: Collection;
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@ForeignKey(() => Collection)
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@Column(DataType.UUID)
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collectionId: string;
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@HasMany(() => Revision)
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revisions: Revision[];
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@HasMany(() => Backlink)
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backlinks: Backlink[];
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@HasMany(() => Star)
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starred: Star[];
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@HasMany(() => View)
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views: View[];
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static defaultScopeWithUser(userId: string) {
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const starredScope: Readonly<ScopeOptions> = {
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method: ["withStarred", userId],
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};
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const collectionScope: Readonly<ScopeOptions> = {
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method: ["withCollection", userId],
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};
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const viewScope: Readonly<ScopeOptions> = {
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method: ["withViews", userId],
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};
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return this.scope([
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"defaultScope",
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starredScope,
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collectionScope,
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viewScope,
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]);
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}
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static async findByPk(
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id: string,
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options: FindOptions<Document> & {
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userId?: string;
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} = {}
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) {
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// allow default preloading of collection membership if `userId` is passed in find options
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// almost every endpoint needs the collection membership to determine policy permissions.
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const scope = this.scope([
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"withUnpublished",
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{
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method: ["withCollection", options.userId, options.paranoid],
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},
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{
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method: ["withViews", options.userId],
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},
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]);
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if (isUUID(id)) {
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return scope.findOne({
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where: {
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id,
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},
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...options,
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});
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}
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const match = id.match(SLUG_URL_REGEX);
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if (match) {
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return scope.findOne({
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where: {
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urlId: match[1],
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},
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...options,
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});
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}
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return undefined;
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}
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static async searchForTeam(
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team: Team,
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query: string,
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options: SearchOptions = {}
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): Promise<SearchResponse> {
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const limit = options.limit || 15;
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const offset = options.offset || 0;
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const wildcardQuery = `${escape(query)}:*`;
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const collectionIds = await team.collectionIds();
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// If the team has access no public collections then shortcircuit the rest of this
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if (!collectionIds.length) {
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return {
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results: [],
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totalCount: 0,
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};
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}
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// Build the SQL query to get documentIds, ranking, and search term context
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const whereClause = `
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"searchVector" @@ to_tsquery('english', :query) AND
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"teamId" = :teamId AND
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"collectionId" IN(:collectionIds) AND
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"deletedAt" IS NULL AND
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"publishedAt" IS NOT NULL
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`;
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const selectSql = `
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SELECT
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id,
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ts_rank(documents."searchVector", to_tsquery('english', :query)) as "searchRanking",
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ts_headline('english', "text", to_tsquery('english', :query), 'MaxFragments=1, MinWords=20, MaxWords=30') as "searchContext"
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FROM documents
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WHERE ${whereClause}
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ORDER BY
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"searchRanking" DESC,
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"updatedAt" DESC
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LIMIT :limit
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OFFSET :offset;
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`;
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const countSql = `
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SELECT COUNT(id)
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FROM documents
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WHERE ${whereClause}
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`;
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const queryReplacements = {
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teamId: team.id,
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query: wildcardQuery,
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collectionIds,
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};
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const resultsQuery = this.sequelize!.query(selectSql, {
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type: QueryTypes.SELECT,
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replacements: { ...queryReplacements, limit, offset },
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});
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const countQuery = this.sequelize!.query(countSql, {
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type: QueryTypes.SELECT,
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replacements: queryReplacements,
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});
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const [results, [{ count }]]: [any, any] = await Promise.all([
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resultsQuery,
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countQuery,
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]);
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// Final query to get associated document data
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const documents = await this.findAll({
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where: {
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id: map(results, "id"),
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},
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include: [
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{
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model: Collection,
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as: "collection",
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},
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{
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model: User,
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as: "createdBy",
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paranoid: false,
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},
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{
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model: User,
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as: "updatedBy",
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paranoid: false,
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},
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],
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});
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return {
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results: map(results, (result: any) => ({
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ranking: result.searchRanking,
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context: removeMarkdown(unescape(result.searchContext), {
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stripHTML: false,
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}),
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document: find(documents, {
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id: result.id,
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}) as Document,
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})),
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totalCount: count,
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};
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}
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static async searchForUser(
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user: User,
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query: string,
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options: SearchOptions = {}
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): Promise<SearchResponse> {
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const limit = options.limit || 15;
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const offset = options.offset || 0;
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const wildcardQuery = `${escape(query)}:*`;
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// Ensure we're filtering by the users accessible collections. If
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// collectionId is passed as an option it is assumed that the authorization
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// has already been done in the router
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let collectionIds;
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if (options.collectionId) {
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collectionIds = [options.collectionId];
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} else {
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collectionIds = await user.collectionIds();
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}
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// If the user has access to no collections then shortcircuit the rest of this
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if (!collectionIds.length) {
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return {
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results: [],
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totalCount: 0,
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};
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}
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let dateFilter;
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if (options.dateFilter) {
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dateFilter = `1 ${options.dateFilter}`;
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}
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// Build the SQL query to get documentIds, ranking, and search term context
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const whereClause = `
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"searchVector" @@ to_tsquery('english', :query) AND
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"teamId" = :teamId AND
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"collectionId" IN(:collectionIds) AND
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${
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options.dateFilter ? '"updatedAt" > now() - interval :dateFilter AND' : ""
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}
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${
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options.collaboratorIds
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? '"collaboratorIds" @> ARRAY[:collaboratorIds]::uuid[] AND'
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: ""
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}
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${options.includeArchived ? "" : '"archivedAt" IS NULL AND'}
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"deletedAt" IS NULL AND
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${
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options.includeDrafts
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? '("publishedAt" IS NOT NULL OR "createdById" = :userId)'
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: '"publishedAt" IS NOT NULL'
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}
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`;
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const selectSql = `
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SELECT
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id,
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ts_rank(documents."searchVector", to_tsquery('english', :query)) as "searchRanking",
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ts_headline('english', "text", to_tsquery('english', :query), 'MaxFragments=1, MinWords=20, MaxWords=30') as "searchContext"
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FROM documents
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WHERE ${whereClause}
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ORDER BY
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"searchRanking" DESC,
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"updatedAt" DESC
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LIMIT :limit
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OFFSET :offset;
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`;
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const countSql = `
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SELECT COUNT(id)
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FROM documents
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WHERE ${whereClause}
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`;
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const queryReplacements = {
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teamId: user.teamId,
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userId: user.id,
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collaboratorIds: options.collaboratorIds,
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query: wildcardQuery,
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collectionIds,
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dateFilter,
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};
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const resultsQuery = this.sequelize!.query(selectSql, {
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type: QueryTypes.SELECT,
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replacements: { ...queryReplacements, limit, offset },
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});
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const countQuery = this.sequelize!.query(countSql, {
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type: QueryTypes.SELECT,
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replacements: queryReplacements,
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});
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const [results, [{ count }]]: [any, any] = await Promise.all([
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resultsQuery,
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countQuery,
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]);
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// Final query to get associated document data
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const documents = await this.scope([
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{
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method: ["withViews", user.id],
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},
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{
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method: ["withCollection", user.id],
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},
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]).findAll({
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where: {
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id: map(results, "id"),
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},
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include: [
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{
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model: User,
|
|
as: "createdBy",
|
|
paranoid: false,
|
|
},
|
|
{
|
|
model: User,
|
|
as: "updatedBy",
|
|
paranoid: false,
|
|
},
|
|
],
|
|
});
|
|
return {
|
|
results: map(results, (result: any) => ({
|
|
ranking: result.searchRanking,
|
|
context: removeMarkdown(unescape(result.searchContext), {
|
|
stripHTML: false,
|
|
}),
|
|
document: find(documents, {
|
|
id: result.id,
|
|
}) as Document,
|
|
})),
|
|
totalCount: count,
|
|
};
|
|
}
|
|
|
|
// instance methods
|
|
|
|
toMarkdown = () => {
|
|
const text = unescape(this.text);
|
|
|
|
if (this.version) {
|
|
return `# ${this.title}\n\n${text}`;
|
|
}
|
|
|
|
return text;
|
|
};
|
|
|
|
migrateVersion = () => {
|
|
let migrated = false;
|
|
|
|
// migrate from document version 0 -> 1
|
|
if (!this.version) {
|
|
// removing the title from the document text attribute
|
|
this.text = this.text.replace(/^#\s(.*)\n/, "");
|
|
this.version = 1;
|
|
migrated = true;
|
|
}
|
|
|
|
// migrate from document version 1 -> 2
|
|
if (this.version === 1) {
|
|
const nodes = serializer.deserialize(this.text);
|
|
this.text = serializer.serialize(nodes, {
|
|
version: 2,
|
|
});
|
|
this.version = 2;
|
|
migrated = true;
|
|
}
|
|
|
|
if (migrated) {
|
|
return this.save({
|
|
silent: true,
|
|
hooks: false,
|
|
});
|
|
}
|
|
|
|
return undefined;
|
|
};
|
|
|
|
archiveWithChildren = async (
|
|
userId: string,
|
|
options?: FindOptions<Document>
|
|
) => {
|
|
const archivedAt = new Date();
|
|
|
|
// Helper to archive all child documents for a document
|
|
const archiveChildren = async (parentDocumentId: string) => {
|
|
const childDocuments = await (this
|
|
.constructor as typeof Document).findAll({
|
|
where: {
|
|
parentDocumentId,
|
|
},
|
|
});
|
|
childDocuments.forEach(async (child) => {
|
|
await archiveChildren(child.id);
|
|
child.archivedAt = archivedAt;
|
|
child.lastModifiedById = userId;
|
|
await child.save(options);
|
|
});
|
|
};
|
|
|
|
await archiveChildren(this.id);
|
|
this.archivedAt = archivedAt;
|
|
this.lastModifiedById = userId;
|
|
return this.save(options);
|
|
};
|
|
|
|
publish = async (userId: string, options?: FindOptions<Document>) => {
|
|
if (this.publishedAt) return this.save(options);
|
|
|
|
if (!this.template) {
|
|
const collection = await Collection.findByPk(this.collectionId);
|
|
await collection?.addDocumentToStructure(this, 0);
|
|
}
|
|
|
|
this.lastModifiedById = userId;
|
|
this.publishedAt = new Date();
|
|
await this.save(options);
|
|
return this;
|
|
};
|
|
|
|
unpublish = async (userId: string, options?: FindOptions<Document>) => {
|
|
if (!this.publishedAt) return this;
|
|
const collection = await this.$get("collection");
|
|
await collection?.removeDocumentInStructure(this);
|
|
|
|
// unpublishing a document converts the "ownership" to yourself, so that it
|
|
// can appear in your drafts rather than the original creators
|
|
this.createdById = userId;
|
|
this.lastModifiedById = userId;
|
|
this.publishedAt = null;
|
|
await this.save(options);
|
|
return this;
|
|
};
|
|
|
|
// Moves a document from being visible to the team within a collection
|
|
// to the archived area, where it can be subsequently restored.
|
|
archive = async (userId: string) => {
|
|
// archive any children and remove from the document structure
|
|
const collection = await this.$get("collection");
|
|
if (collection) {
|
|
await collection.removeDocumentInStructure(this);
|
|
this.collection = collection;
|
|
}
|
|
|
|
await this.archiveWithChildren(userId);
|
|
return this;
|
|
};
|
|
|
|
// Restore an archived document back to being visible to the team
|
|
unarchive = async (userId: string) => {
|
|
const collection = await this.$get("collection");
|
|
|
|
// check to see if the documents parent hasn't been archived also
|
|
// If it has then restore the document to the collection root.
|
|
if (this.parentDocumentId) {
|
|
const parent = await (this.constructor as typeof Document).findOne({
|
|
where: {
|
|
id: this.parentDocumentId,
|
|
archivedAt: {
|
|
[Op.is]: null,
|
|
},
|
|
},
|
|
});
|
|
if (!parent) this.parentDocumentId = null;
|
|
}
|
|
|
|
if (!this.template && collection) {
|
|
await collection.addDocumentToStructure(this);
|
|
this.collection = collection;
|
|
}
|
|
|
|
if (this.deletedAt) {
|
|
await this.restore();
|
|
}
|
|
|
|
this.archivedAt = null;
|
|
this.lastModifiedById = userId;
|
|
await this.save();
|
|
return this;
|
|
};
|
|
|
|
// Delete a document, archived or otherwise.
|
|
delete = (userId: string) => {
|
|
return this.sequelize.transaction(
|
|
async (transaction: Transaction): Promise<Document> => {
|
|
if (!this.archivedAt && !this.template) {
|
|
// delete any children and remove from the document structure
|
|
const collection = await this.$get("collection", {
|
|
transaction,
|
|
});
|
|
if (collection) {
|
|
await collection.deleteDocument(this);
|
|
}
|
|
} else {
|
|
await this.destroy({
|
|
transaction,
|
|
});
|
|
}
|
|
|
|
await Revision.destroy({
|
|
where: {
|
|
documentId: this.id,
|
|
},
|
|
transaction,
|
|
});
|
|
await this.update(
|
|
{
|
|
lastModifiedById: userId,
|
|
},
|
|
{
|
|
transaction,
|
|
}
|
|
);
|
|
return this;
|
|
}
|
|
);
|
|
};
|
|
|
|
getTimestamp = () => {
|
|
return Math.round(new Date(this.updatedAt).getTime() / 1000);
|
|
};
|
|
|
|
getSummary = () => {
|
|
const plain = removeMarkdown(unescape(this.text), {
|
|
stripHTML: false,
|
|
});
|
|
const lines = compact(plain.split("\n"));
|
|
const notEmpty = lines.length >= 1;
|
|
|
|
if (this.version) {
|
|
return notEmpty ? lines[0] : "";
|
|
}
|
|
|
|
return notEmpty ? lines[1] : "";
|
|
};
|
|
|
|
toJSON = () => {
|
|
// Warning: only use for new documents as order of children is
|
|
// handled in the collection's documentStructure
|
|
return {
|
|
id: this.id,
|
|
title: this.title,
|
|
url: this.url,
|
|
children: [],
|
|
};
|
|
};
|
|
}
|
|
|
|
function escape(query: string): string {
|
|
// replace "\" with escaped "\\" because sequelize.escape doesn't do it
|
|
// https://github.com/sequelize/sequelize/issues/2950
|
|
return Document.sequelize!.escape(query).replace(/\\/g, "\\\\");
|
|
}
|
|
|
|
export default Document;
|