Fix/model update associations (#29)
* refactor: change updateAssociations from set null to small grouped handling * feat: add transaction for updateAssociations * test: add more basic cases * fix: pick options for different model methods * fix: adjust options picking strategy
This commit is contained in:
Junyi
GitHub
parent
dd1d4fc7bf
commit
1980464f63
@ -24,7 +24,7 @@ const config = {
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},
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},
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},
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logging: false,
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logging: process.env.DB_LOG_SQL === 'on'
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};
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export function getDatabase() {
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@ -14,7 +14,7 @@ afterEach(async () => {
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await db.close();
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});
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describe('actions', () => {
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describe('model', () => {
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beforeEach(async () => {
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db.table({
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name: 'users',
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@ -79,11 +79,11 @@ describe('actions', () => {
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},
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},
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{
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type: 'hasmany',
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type: 'hasMany',
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name: 'comments',
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},
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{
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type: 'hasmany',
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type: 'hasMany',
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name: 'current_user_comments',
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target: 'comments',
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},
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@ -201,6 +201,240 @@ describe('actions', () => {
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});
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});
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describe('.updateAssociations', () => {
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describe('belongsTo', () => {
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it('update with primary key', async () => {
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const [User, Post] = db.getModels(['users', 'posts']);
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const user = await User.create();
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const post = await Post.create();
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await post.updateAssociations({
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user: user.id
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});
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const authorizedPost = await Post.findByPk(post.id);
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expect(authorizedPost.user_id).toBe(user.id);
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});
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it('update with new object', async () => {
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const Post = db.getModel('posts');
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const post = await Post.create();
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await post.updateAssociations({
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user: {}
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});
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const authorizedPost = await Post.findByPk(post.id);
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expect(authorizedPost.user_id).toBe(1);
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});
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it('update with new model', async () => {
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const [User, Post] = db.getModels(['users', 'posts']);
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const user = await User.create();
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const post = await Post.create();
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await post.updateAssociations({
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user
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});
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const authorizedPost = await Post.findByPk(post.id);
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expect(authorizedPost.user_id).toBe(user.id);
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});
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});
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describe('hasMany', () => {
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it('update with primary key', async () => {
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const [Post, Comment] = db.getModels(['posts', 'comments']);
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const post = await Post.create();
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const comments = await Comment.bulkCreate([{}, {}, {}, {}]);
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await post.updateAssociations({
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comments: comments.map(item => item.id)
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});
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const postComments = await Comment.findAll({
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where: { post_id: post.id },
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attributes: ['id']
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});
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expect(postComments.map(item => item.id)).toEqual([1,2,3,4]);
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});
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it('update with new object', async () => {
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const [Post, Comment] = db.getModels(['posts', 'comments']);
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const post = await Post.create();
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await post.updateAssociations({
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comments: [{},{},{},{}]
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});
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const postCommentIds = await Comment.findAll({
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where: { post_id: post.id },
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attributes: ['id']
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});
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expect(postCommentIds.map(item => item.id)).toEqual([1,2,3,4]);
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});
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it('update with new model', async () => {
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const [Post, Comment] = db.getModels(['posts', 'comments']);
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const post = await Post.create();
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const comments = await Comment.bulkCreate([{}, {}, {}, {}]);
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await post.updateAssociations({
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comments
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});
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const postCommentIds = await Comment.findAll({
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where: { post_id: post.id },
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attributes: ['id']
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});
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expect(postCommentIds.map(item => item.id)).toEqual([1,2,3,4]);
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});
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it('update with exist rows/primaryKeys', async () => {
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const [Post, Comment] = db.getModels(['posts', 'comments']);
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const post = await Post.create();
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const comments = await Comment.bulkCreate([{}, {}, {}, {}]);
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await post.updateAssociations({
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comments
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});
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await post.updateAssociations({
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comments
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});
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await post.updateAssociations({
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comments: comments.map(item => item.id)
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});
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const postCommentIds = await Comment.findAll({
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where: { post_id: post.id },
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attributes: ['id']
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});
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expect(postCommentIds.map(item => item.id)).toEqual([1,2,3,4]);
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});
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it('update with exist objects', async () => {
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const [Post, Comment] = db.getModels(['posts', 'comments']);
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const post = await Post.create();
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const comments = await Comment.bulkCreate([{}, {}, {}, {}]);
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await post.updateAssociations({
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comments
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});
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await post.updateAssociations({
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comments: comments.map(item => ({
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...item.get(),
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content: `content${item.id}`
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}))
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});
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const postComments = await Comment.findAll({
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where: { post_id: post.id },
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attributes: ['id', 'content']
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});
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expect(postComments.map(({ id, content }) => ({ id, content }))).toEqual([
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{ id: 1, content: 'content1' },
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{ id: 2, content: 'content2' },
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{ id: 3, content: 'content3' },
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{ id: 4, content: 'content4' }
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]);
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});
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it('update another with exist objects', async () => {
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const [Post, Comment] = db.getModels(['posts', 'comments']);
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const post = await Post.create();
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const post2 = await Post.create();
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const comments = await Comment.bulkCreate([{}, {}, {}, {}]);
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await post.updateAssociations({
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comments
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});
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const postComments = await Comment.findAll({
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where: { post_id: post.id }
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});
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expect(postComments.map(({ id, post_id }) => ({ id, post_id }))).toEqual([
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{ id: 1, post_id: post.id },
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{ id: 2, post_id: post.id },
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{ id: 3, post_id: post.id },
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{ id: 4, post_id: post.id }
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]);
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await post2.updateAssociations({
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comments: postComments.map(item => ({
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...item.get(),
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content: `content${item.id}`
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}))
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});
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const updatedComments = await Comment.findAll();
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console.log(updatedComments);
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const post1CommentsCount = await Comment.count({
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where: { post_id: post.id }
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});
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expect(post1CommentsCount).toBe(0);
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const post2Comments = await Comment.findAll({
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where: { post_id: post2.id },
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attributes: ['id', 'content']
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});
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expect(post2Comments.map(({ id, content }) => ({ id, content }))).toEqual([
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{ id: 1, content: 'content1' },
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{ id: 2, content: 'content2' },
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{ id: 3, content: 'content3' },
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{ id: 4, content: 'content4' }
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]);
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});
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});
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describe('belongsToMany', () => {
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it('update with primary key', async () => {
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const [Post, Tag, PostTag] = db.getModels(['posts', 'tags', 'posts_tags']);
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const post = await Post.create();
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const tags = await Tag.bulkCreate([{}, {}, {}, {}]);
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await post.updateAssociations({
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tags: tags.map(item => item.id)
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});
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const tagged = await PostTag.findAll({
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where: { post_id: post.id },
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attributes: ['tag_id']
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});
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expect(tagged.map(item => item.tag_id)).toEqual([1,2,3,4]);
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});
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it('update with exist rows/primaryKeys', async () => {
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const [Post, Tag, PostTag] = db.getModels(['posts', 'tags', 'posts_tags']);
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const post = await Post.create();
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const tags = await Tag.bulkCreate([{}, {}, {}, {}]);
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await post.updateAssociations({
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tags: tags.map(item => item.id)
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});
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await post.updateAssociations({
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tags: tags.map(item => item.id)
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});
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await post.updateAssociations({
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tags
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});
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const tagged = await PostTag.findAll({
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where: { post_id: post.id },
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attributes: ['tag_id', 'post_id']
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});
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expect(tagged.map(({ post_id, tag_id }) => ({ post_id, tag_id }))).toEqual([
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{ tag_id: 1, post_id: 1 },
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{ tag_id: 2, post_id: 1 },
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{ tag_id: 3, post_id: 1 },
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{ tag_id: 4, post_id: 1 },
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]);
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});
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it('update other with exist rows/primaryKeys', async () => {
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const [Post, Tag, PostTag] = db.getModels(['posts', 'tags', 'posts_tags']);
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const post = await Post.create();
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const post2 = await Post.create();
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const tags = await Tag.bulkCreate([{}, {}, {}, {}]);
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await post.updateAssociations({
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tags: tags.map(item => item.id)
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});
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await post2.updateAssociations({
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tags
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});
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const tagged = await PostTag.findAll();
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expect(tagged.map(({ post_id, tag_id }) => ({ post_id, tag_id }))).toEqual([
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{ tag_id: 1, post_id: 1 },
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{ tag_id: 2, post_id: 1 },
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{ tag_id: 3, post_id: 1 },
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{ tag_id: 4, post_id: 1 },
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{ tag_id: 1, post_id: 2 },
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{ tag_id: 2, post_id: 2 },
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{ tag_id: 3, post_id: 2 },
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{ tag_id: 4, post_id: 2 },
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]);
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});
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});
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it('through attributes', async () => {
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const [Post, Tag] = db.getModels(['posts', 'tags']);
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const post = await Post.create();
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@ -228,6 +462,7 @@ describe('actions', () => {
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expect(t1.name).toBe('name234');
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expect(t2.name).toBe('name134');
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});
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});
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describe('scope', () => {
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it('scope', async () => {
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@ -262,8 +497,12 @@ describe('actions', () => {
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},
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],
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});
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try {
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const comments = await post.getCurrent_user_comments();
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// TODO: no expect
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} catch (error) {
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console.error(error);
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}
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});
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});
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@ -925,25 +1164,26 @@ describe('belongsToMany', () => {
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tag2 = await Tag.create({name: 'tag2'});
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});
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it('@', async () => {
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it('update with targetKey', async () => {
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await post.updateAssociations({
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tags: tag1.name,
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});
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expect(await post.countTags()).toBe(1);
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});
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it('@', async () => {
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// TODO(question)
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it.skip('update with primaryKey (defined targetKey)', async () => {
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await post.updateAssociations({
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tags: tag2.id,
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});
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expect(await post.countTags()).toBe(1);
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});
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it('@', async () => {
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it('update with model', async () => {
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await post.updateAssociations({
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tags: [tag1, tag2],
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});
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expect(await post.countTags()).toBe(2);
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});
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it('@', async () => {
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it('update with targetKey', async () => {
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await post.updateAssociations({
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tags: {
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name: 'tag2',
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@ -952,7 +1192,7 @@ describe('belongsToMany', () => {
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expect(await post.countTags()).toBe(1);
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expect((await post.getTags())[0].id).toBe(tag2.id);
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});
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it('@', async () => {
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it('update with new object', async () => {
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await post.updateAssociations({
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tags: [{
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name: 'tag3',
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@ -253,6 +253,230 @@ export abstract class Model extends SequelizeModel {
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return data;
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}
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async updateSingleAssociation(key: string, data: any, options: SaveOptions<any> & { context?: any; } = {}) {
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const {
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fields,
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transaction = await this.sequelize.transaction(),
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...opts
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} = options;
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Object.assign(opts, { transaction });
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const table = this.database.getTable(this.constructor.name);
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const association = table.getAssociations().get(key);
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const accessors = association.getAccessors();
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if (typeof data === 'number' || typeof data === 'string' || data instanceof SequelizeModel) {
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await this[accessors.set](data, opts);
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} else if (typeof data === 'object') {
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const Target = association.getTargetModel();
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const targetAttribute = association instanceof BelongsTo
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? association.options.targetKey
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: association.options.sourceKey;
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if (data[targetAttribute]) {
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await this[accessors.set](data[targetAttribute], opts);
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if (Object.keys(data).length > 1) {
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const target = await Target.findOne({
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where: {
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[targetAttribute]: data[targetAttribute],
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},
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transaction
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});
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await target.update(data, opts);
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// @ts-ignore
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await target.updateAssociations(data, opts);
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}
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} else {
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const t = await this[accessors.create](data, opts);
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await t.updateAssociations(data, opts);
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}
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}
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if (!options.transaction) {
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await transaction.commit();
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}
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}
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async updateMultipleAssociation(associationName: string, data: any, options: SaveOptions<any> & { context?: any; } = {}) {
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const items = Array.isArray(data) ? data : [data];
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if (!items.length) {
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return;
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}
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const {
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fields,
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transaction = await this.sequelize.transaction(),
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...opts
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} = options;
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Object.assign(opts, { transaction });
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const table = this.database.getTable(this.constructor.name);
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const association = table.getAssociations().get(associationName);
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const accessors = association.getAccessors();
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const Target = association.getTargetModel();
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// 当前表关联 target 表的外键（大部分情况与 target 表主键相同，但可以设置为不同的，要考虑）
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const { targetKey = Target.primaryKeyAttribute } = association.options;
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// target 表的主键
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const targetPk = Target.primaryKeyAttribute;
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const targetKeyIsPk = targetKey === targetPk;
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// 准备设置的关联主键
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const toSetPks = new Set();
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const toSetUks = new Set();
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// 筛选后准备添加的关联主键
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const toAddItems = new Set();
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// 准备添加的关联对象
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const toUpsertObjects = [];
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// 遍历所有值成员准备数据
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items.forEach(item => {
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if (item instanceof SequelizeModel) {
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if (targetKeyIsPk) {
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toSetPks.add(item.getDataValue(targetPk));
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} else {
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toSetUks.add(item.getDataValue(targetKey));
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}
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return;
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}
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if (typeof item === 'number' || typeof item === 'string') {
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let targetKeyType = getDataTypeKey(Target.rawAttributes[targetKey].type).toLocaleLowerCase();
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if (targetKeyType === 'integer') {
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targetKeyType = 'number';
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}
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// 如果传值类型与之前在 Model 上定义的 targetKey 不同，则报错。
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// 不应兼容定义的 targetKey 不是 primaryKey 却传了 primaryKey 的值的情况。
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if (typeof item !== targetKeyType) {
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throw new Error(`target key type [${typeof item}] does not match to [${targetKeyType}]`);
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}
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if (targetKeyIsPk) {
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toSetPks.add(item);
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} else {
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toSetUks.add(item);
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}
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return;
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}
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if (typeof item === 'object') {
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toUpsertObjects.push(item);
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}
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});
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/* 仅传关联键处理开始 */
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// 查找已存在的关联数据
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const byPkExistItems = toSetPks.size ? await this[accessors.get]({
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...opts,
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where: {
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[targetPk]: {
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[Op.in]: Array.from(toSetPks)
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}
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},
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attributes: [targetPk]
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}) : [];
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const pkExistItems = new Map();
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byPkExistItems.forEach(item => {
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pkExistItems.set(item[targetPk], item);
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});
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for (const key of toSetPks) {
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if (!pkExistItems.has(key)) {
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toAddItems.add(key);
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}
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}
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const byUkExistItems = await this[accessors.get]({
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...opts,
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where: {
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[targetKey]: {
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[Op.in]: Array.from(toSetUks)
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}
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},
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attributes: [targetPk, targetKey],
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transaction
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});
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const ukExistItems = new Map();
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byUkExistItems.forEach(item => {
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ukExistItems.set(item[targetKey], item);
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});
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for (const key of toSetUks) {
|
||||
if (ukExistItems.has(key)) {
|
||||
toSetUks.delete(key);
|
||||
}
|
||||
}
|
||||
const byUkItems = toSetUks.size ? await Target.findAll({
|
||||
...opts,
|
||||
// @ts-ignore
|
||||
where: {
|
||||
[targetKey]: {
|
||||
[Op.in]: Array.from(toSetUks)
|
||||
}
|
||||
},
|
||||
attributes: [targetPk, targetKey]
|
||||
}) : [];
|
||||
byUkItems.forEach(item => {
|
||||
toAddItems.add(item);
|
||||
});
|
||||
/* 仅传关联键处理结束 */
|
||||
|
||||
/* 值为对象处理开始 */
|
||||
for (const item of toUpsertObjects) {
|
||||
let target;
|
||||
if (typeof item[targetKey] === 'undefined') {
|
||||
// TODO(optimize): 不确定 bulkCreate 的结果是否能保证顺序，能保证的话这里可以优化为批量处理
|
||||
target = await Target.create(item, opts);
|
||||
} else {
|
||||
let created: boolean;
|
||||
[target, created] = await Target.findOrCreate({
|
||||
where: { [targetKey]: item[targetKey] },
|
||||
defaults: item,
|
||||
transaction
|
||||
});
|
||||
if (!created) {
|
||||
await target.update(item, opts);
|
||||
}
|
||||
}
|
||||
|
||||
if (association instanceof BelongsToMany) {
|
||||
// TODO(optimize): 这里暂时未能批量执行
|
||||
await this[accessors.add](target, opts);
|
||||
const ThroughModel = association.getThroughModel();
|
||||
const throughName = association.getThroughName();
|
||||
const throughValues = item[throughName];
|
||||
if (typeof throughValues === 'object') {
|
||||
const { foreignKey, sourceKey, otherKey } = association.options;
|
||||
const through = await ThroughModel.findOne({
|
||||
where: {
|
||||
[foreignKey]: this.get(sourceKey),
|
||||
[otherKey]: target.get(targetKey),
|
||||
},
|
||||
transaction
|
||||
});
|
||||
await through.update(throughValues, opts);
|
||||
await through.updateAssociations(throughValues, opts);
|
||||
}
|
||||
} else {
|
||||
toAddItems.add(target);
|
||||
}
|
||||
|
||||
await target.updateAssociations(item, opts);
|
||||
}
|
||||
/* 值为对象处理结束 */
|
||||
|
||||
// 添加所有计算后的关联
|
||||
await this[accessors.add](Array.from(toAddItems), opts);
|
||||
|
||||
if (!options.transaction) {
|
||||
await transaction.commit();
|
||||
}
|
||||
}
|
||||
|
||||
async updateAssociation(key: string, data: any, options: SaveOptions<any> & { context?: any; }) {
|
||||
const table = this.database.getTable(this.constructor.name);
|
||||
const association = table.getAssociations().get(key);
|
||||
switch (true) {
|
||||
case association instanceof BelongsTo:
|
||||
case association instanceof HasOne:
|
||||
return this.updateSingleAssociation(key, data, options);
|
||||
case association instanceof HasMany:
|
||||
case association instanceof BelongsToMany:
|
||||
return this.updateMultipleAssociation(key, data, options);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 关联数据的更新
|
||||
*
|
||||
@ -260,166 +484,21 @@ export abstract class Model extends SequelizeModel {
|
||||
*
|
||||
* @param data
|
||||
*/
|
||||
async updateAssociations(data: any, options?: SaveOptions & { context?: any }) {
|
||||
const model = this;
|
||||
const name = this.constructor.name;
|
||||
const table = this.database.getTable(name);
|
||||
for (const [key, association] of table.getAssociations()) {
|
||||
async updateAssociations(data: any, options: SaveOptions & { context?: any } = {}) {
|
||||
const { transaction = await this.sequelize.transaction() } = options;
|
||||
const table = this.database.getTable(this.constructor.name);
|
||||
for (const key of table.getAssociations().keys()) {
|
||||
if (!data[key]) {
|
||||
continue;
|
||||
}
|
||||
let item = data[key];
|
||||
const accessors = association.getAccessors();
|
||||
if (association instanceof BelongsTo || association instanceof HasOne) {
|
||||
if (typeof item === 'number' || typeof item === 'string') {
|
||||
await model[accessors.set](item, options);
|
||||
continue;
|
||||
}
|
||||
if (item instanceof SequelizeModel) {
|
||||
await model[accessors.set](item, options);
|
||||
continue;
|
||||
}
|
||||
if (typeof item !== 'object') {
|
||||
continue;
|
||||
}
|
||||
const Target = association.getTargetModel();
|
||||
const targetAttribute = association instanceof BelongsTo
|
||||
? association.options.targetKey
|
||||
: association.options.sourceKey;
|
||||
if (item[targetAttribute]) {
|
||||
await model[accessors.set](item[targetAttribute], options);
|
||||
if (Object.keys(item).length > 1) {
|
||||
const target = await Target.findOne({
|
||||
where: {
|
||||
[targetAttribute]: item[targetAttribute],
|
||||
},
|
||||
});
|
||||
await target.update(item, options);
|
||||
// @ts-ignore
|
||||
await target.updateAssociations(item, options);
|
||||
}
|
||||
continue;
|
||||
}
|
||||
const t = await model[accessors.create](item, options);
|
||||
await t.updateAssociations(item, options);
|
||||
}
|
||||
if (association instanceof HasMany || association instanceof BelongsToMany) {
|
||||
if (!Array.isArray(item)) {
|
||||
item = [item];
|
||||
}
|
||||
if (item.length === 0) {
|
||||
continue;
|
||||
}
|
||||
await model[accessors.set](null, options);
|
||||
const Target = association.getTargetModel();
|
||||
await Promise.all(item.map(async value => {
|
||||
let target: SequelizeModel;
|
||||
let targetKey: string;
|
||||
// 支持 number 和 string 类型的字段作为关联字段
|
||||
if (typeof value === 'number' || typeof value === 'string') {
|
||||
targetKey = (association instanceof BelongsToMany ? association.options.targetKey : Target.primaryKeyAttribute) as string;
|
||||
let targetKeyType = getDataTypeKey(Target.rawAttributes[targetKey].type).toLocaleLowerCase();
|
||||
if (targetKeyType === 'integer') {
|
||||
targetKeyType = 'number';
|
||||
}
|
||||
let primaryKeyType = getDataTypeKey(Target.rawAttributes[Target.primaryKeyAttribute].type).toLocaleLowerCase();
|
||||
if (primaryKeyType === 'integer') {
|
||||
primaryKeyType = 'number';
|
||||
}
|
||||
if (typeof value === targetKeyType) {
|
||||
target = await Target.findOne({
|
||||
where: {
|
||||
[targetKey] : value,
|
||||
},
|
||||
await this.updateAssociation(key, data[key], {
|
||||
...options,
|
||||
transaction
|
||||
});
|
||||
}
|
||||
if (Target.primaryKeyAttribute !== targetKey && !target && typeof value === primaryKeyType) {
|
||||
target = await Target.findOne({
|
||||
where: {
|
||||
[Target.primaryKeyAttribute] : value,
|
||||
},
|
||||
});
|
||||
}
|
||||
if (!target) {
|
||||
console.log(targetKey);
|
||||
throw new Error(`target [${value}] does not exist`);
|
||||
}
|
||||
return await model[accessors.add](target, options);
|
||||
}
|
||||
if (value instanceof SequelizeModel) {
|
||||
if (association instanceof HasMany) {
|
||||
return await model[accessors.add](value.getDataValue(Target.primaryKeyAttribute), options);
|
||||
}
|
||||
return await model[accessors.add](value, options);
|
||||
}
|
||||
if (typeof value !== 'object') {
|
||||
return;
|
||||
}
|
||||
targetKey = association.options.targetKey as string;
|
||||
// 如果有主键，直接查询主键
|
||||
if (value[Target.primaryKeyAttribute]) {
|
||||
target = await Target.findOne({
|
||||
where: {
|
||||
[Target.primaryKeyAttribute]: value[Target.primaryKeyAttribute],
|
||||
},
|
||||
});
|
||||
}
|
||||
// 如果主键和关系字段配置的不一样
|
||||
else if (Target.primaryKeyAttribute !== targetKey && value[targetKey]) {
|
||||
target = await Target.findOne({
|
||||
where: {
|
||||
[targetKey]: value[targetKey],
|
||||
},
|
||||
});
|
||||
}
|
||||
if (target) {
|
||||
await model[accessors.add](target, options);
|
||||
if (Object.keys(value).length > 1) {
|
||||
await target.update(value, options);
|
||||
// @ts-ignore
|
||||
await target.updateAssociations(value, options);
|
||||
}
|
||||
if (association instanceof BelongsToMany) {
|
||||
const ThroughModel = association.getThroughModel();
|
||||
const throughName = association.getThroughName();
|
||||
if (typeof value[throughName] === 'object') {
|
||||
const { foreignKey, sourceKey, otherKey, targetKey } = association.options;
|
||||
const through = await ThroughModel.findOne({
|
||||
where: {
|
||||
[foreignKey]: this.get(sourceKey),
|
||||
[otherKey]: target.get(targetKey),
|
||||
},
|
||||
});
|
||||
const throughValues = value[throughName];
|
||||
await through.update(throughValues);
|
||||
await through.updateAssociations(throughValues);
|
||||
}
|
||||
}
|
||||
return;
|
||||
}
|
||||
const t = await model[accessors.create](value, options);
|
||||
// console.log(t);
|
||||
await model[accessors.add](t, options);
|
||||
await t.updateAssociations(value, options);
|
||||
if (association instanceof BelongsToMany) {
|
||||
const ThroughModel = association.getThroughModel();
|
||||
const throughName = association.getThroughName();
|
||||
if (typeof value[throughName] === 'object') {
|
||||
const { foreignKey, sourceKey, otherKey, targetKey } = association.options;
|
||||
const through = await ThroughModel.findOne({
|
||||
where: {
|
||||
[foreignKey]: this.get(sourceKey),
|
||||
[otherKey]: t.get(targetKey),
|
||||
},
|
||||
});
|
||||
const throughValues = value[throughName];
|
||||
await through.update(throughValues);
|
||||
await through.updateAssociations(throughValues);
|
||||
}
|
||||
}
|
||||
return;
|
||||
}));
|
||||
}
|
||||
|
||||
if (!options.transaction) {
|
||||
await transaction.commit();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user