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This was done to give better typings to the function signatures of entities `create` methods. It also ensures that each field that should be set to `null` is set to `null` and doesn't leave that up to the typeorm handlers. See: #1641 Signed-off-by: Philip Molares <philip.molares@udo.edu>
86 lines
1.7 KiB
TypeScript
86 lines
1.7 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
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*
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import {
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Column,
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CreateDateColumn,
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Entity,
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JoinTable,
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ManyToMany,
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ManyToOne,
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PrimaryGeneratedColumn,
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} from 'typeorm';
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import { Note } from '../notes/note.entity';
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import { Edit } from './edit.entity';
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/**
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* The state of a note at a particular point in time,
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* with the content at that time and the diff to the previous revision.
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*
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*/
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@Entity()
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export class Revision {
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@PrimaryGeneratedColumn()
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id: number;
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/**
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* The patch from the previous revision to this one.
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*/
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@Column({
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type: 'text',
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})
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patch: string;
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/**
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* The note content at this revision.
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*/
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@Column({
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type: 'text',
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})
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content: string;
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/**
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* The length of the note content.
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*/
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@Column()
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length: number;
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/**
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* Date at which the revision was created.
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*/
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@CreateDateColumn()
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createdAt: Date;
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/**
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* Note this revision belongs to.
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*/
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@ManyToOne((_) => Note, (note) => note.revisions, { onDelete: 'CASCADE' })
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note: Note;
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/**
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* All edit objects which are used in the revision.
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*/
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@ManyToMany((_) => Edit, (edit) => edit.revisions)
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@JoinTable()
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edits: Edit[];
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// eslint-disable-next-line @typescript-eslint/no-empty-function
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private constructor() {}
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static create(
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content: string,
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patch: string,
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note: Note,
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): Omit<Revision, 'id' | 'createdAt'> {
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const newRevision = new Revision();
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newRevision.patch = patch;
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newRevision.content = content;
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newRevision.length = content.length;
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newRevision.note = note;
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newRevision.edits = [];
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return newRevision;
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}
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}
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