Feature: Add soft remove and recover methods to entity

src/repository/BaseEntity.ts

@@ -57,6 +57,20 @@ export class BaseEntity {
         return (this.constructor as any).getRepository().remove(this, options);
     }
 
+    /**
+     * Records the delete date of current entity.
+     */
+    softRemove(options?: SaveOptions): Promise<this> {
+        return (this.constructor as any).getRepository().softRemove(this, options);
+    }
+
+    /**
+     * Recovers a given entity in the database.
+     */
+    recover(options?: SaveOptions): Promise<this> {
+        return (this.constructor as any).getRepository().recover(this, options);
+    }
+
     /**
      * Reloads entity data from the database.
      */
@@ -197,6 +211,23 @@ export class BaseEntity {
         return (this as any).getRepository().remove(entityOrEntities as any, options);
     }
 
+    /**
+     * Records the delete date of all given entities.
+     */
+    static softRemove<T extends BaseEntity>(this: ObjectType<T>, entities: T[], options?: SaveOptions): Promise<T[]>;
+
+    /**
+     * Records the delete date of a given entity.
+     */
+    static softRemove<T extends BaseEntity>(this: ObjectType<T>, entity: T, options?: SaveOptions): Promise<T>;
+
+    /**
+     * Records the delete date of one or many given entities.
+     */
+    static softRemove<T extends BaseEntity>(this: ObjectType<T>, entityOrEntities: T|T[], options?: SaveOptions): Promise<T|T[]> {
+        return (this as any).getRepository().softRemove(entityOrEntities as any, options);
+    }
+
     /**
      * Inserts a given entity into the database.
      * Unlike save method executes a primitive operation without cascades, relations and other operations included.

test/functional/repository/soft-delete/entity-soft-remove.ts

@@ -0,0 +1,106 @@
+import "reflect-metadata";
+import {expect} from "chai";
+import {closeTestingConnections, createTestingConnections, reloadTestingDatabases} from "../../../utils/test-utils";
+import {Connection} from "../../../../src/connection/Connection";
+import {Post} from "./entity/Post";
+import { PostWithoutDeleteDateColumn } from "./entity/PostWithoutDeleteDateColumn";
+import { MissingDeleteDateColumnError } from "../../../../src/error/MissingDeleteDateColumnError";
+import { PromiseUtils } from "../../../../src";
+
+describe("entity > soft-remove", () => {
+
+    let connections: Connection[];
+    before(async () => connections = await createTestingConnections({
+        entities: [__dirname + "/entity/*{.js,.ts}"],
+    }));
+    beforeEach(() => reloadTestingDatabases(connections));
+    after(() => closeTestingConnections(connections));
+
+    it("should perform soft removal and recovery correctly", () => PromiseUtils.runInSequence(connections, async connection => {
+        Post.useConnection(connection); // change connection each time because of AR specifics
+
+        const postRepository = connection.getRepository(Post);
+
+        // save a new posts
+        const newPost1 = postRepository.create({
+            id: 1,
+            name: "post#1"
+        });
+        const newPost2 = postRepository.create({
+            id: 2,
+            name: "post#2"
+        });
+
+        await postRepository.save(newPost1);
+        await postRepository.save(newPost2);
+
+        // soft-remove one
+        await newPost1.softRemove();
+
+        // load to check
+        const loadedPosts = await postRepository.find({ withDeleted: true });
+
+        // assert
+        loadedPosts.length.should.be.equal(2);
+
+        const loadedPost1 = loadedPosts.find(p => p.id === 1);
+        expect(loadedPost1).to.exist;
+        expect(loadedPost1!.deletedAt).to.be.instanceof(Date);
+        expect(loadedPost1!.name).to.equals("post#1");
+        const loadedPost2 = loadedPosts.find(p => p.id === 2);
+        expect(loadedPost2).to.exist;
+        expect(loadedPost2!.deletedAt).to.equals(null);
+        expect(loadedPost2!.name).to.equals("post#2");
+
+        // recover one
+        await loadedPost1!.recover();
+        // load to check
+        const recoveredPosts = await postRepository.find({ withDeleted: true });
+
+        // assert
+        recoveredPosts.length.should.be.equal(2);
+
+        const recoveredPost1 = recoveredPosts.find(p => p.id === 1);
+        expect(recoveredPost1).to.exist;
+        expect(recoveredPost1!.deletedAt).to.equals(null);
+        expect(recoveredPost1!.name).to.equals("post#1");
+        const recoveredPost2 = recoveredPosts.find(p => p.id === 2);
+        expect(recoveredPost2).to.exist;
+        expect(recoveredPost2!.deletedAt).to.equals(null);
+        expect(recoveredPost2!.name).to.equals("post#2");
+
+    }));
+
+    it("should throw error when delete date column is missing", () => PromiseUtils.runInSequence(connections, async connection => {
+        PostWithoutDeleteDateColumn.useConnection(connection); // change connection each time because of AR specifics
+
+        const postRepository = connection.getRepository(PostWithoutDeleteDateColumn);
+
+        // save a new posts
+        const newPost1 = postRepository.create({
+            id: 1,
+            name: "post#1"
+        });
+
+        await postRepository.save(newPost1);
+
+        let error1: Error | undefined;
+        try {
+            // soft-remove one
+            await newPost1.softRemove();
+        } catch (err) {
+            error1 = err;
+        }
+        expect(error1).to.be.an.instanceof(MissingDeleteDateColumnError);
+
+        let error2: Error | undefined;
+        try {
+            // recover one
+            await newPost1.recover();
+        } catch (err) {
+            error2 = err;
+        }
+        expect(error2).to.be.an.instanceof(MissingDeleteDateColumnError);
+
+    }));
+});

test/functional/repository/soft-delete/entity/Post.ts

@@ -2,9 +2,10 @@ import {Entity} from "../../../../../src/decorator/entity/Entity";
 import {PrimaryGeneratedColumn} from "../../../../../src/decorator/columns/PrimaryGeneratedColumn";
 import {Column} from "../../../../../src/decorator/columns/Column";
 import {DeleteDateColumn} from "../../../../../src/decorator/columns/DeleteDateColumn";
+import {BaseEntity} from "../../../../../src";
 
 @Entity()
-export class Post {
+export class Post extends BaseEntity {
     @PrimaryGeneratedColumn()
     id: number;
 
@@ -13,4 +14,4 @@ export class Post {
 
     @Column()
     name: string;
-}
+}

test/functional/repository/soft-delete/entity/PostWithoutDeleteDateColumn.ts

@@ -1,12 +1,13 @@
 import {Entity} from "../../../../../src/decorator/entity/Entity";
 import {PrimaryGeneratedColumn} from "../../../../../src/decorator/columns/PrimaryGeneratedColumn";
 import {Column} from "../../../../../src/decorator/columns/Column";
+import {BaseEntity} from "../../../../../src";
 
 @Entity()
-export class PostWithoutDeleteDateColumn {
+export class PostWithoutDeleteDateColumn extends BaseEntity {
     @PrimaryGeneratedColumn()
     id: number;
 
     @Column()
     name: string;
-}
+}