mirror of
https://github.com/discourse/discourse.git
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This is a combined work of Martin Brennan, Loïc Guitaut, and Joffrey Jaffeux. --- This commit implements a base service object when working in chat. The documentation is available at https://discourse.github.io/discourse/chat/backend/Chat/Service.html Generating documentation has been made as part of this commit with a bigger goal in mind of generally making it easier to dive into the chat project. Working with services generally involves 3 parts: - The service object itself, which is a series of steps where few of them are specialized (model, transaction, policy) ```ruby class UpdateAge include Chat::Service::Base model :user, :fetch_user policy :can_see_user contract step :update_age class Contract attribute :age, :integer end def fetch_user(user_id:, **) User.find_by(id: user_id) end def can_see_user(guardian:, **) guardian.can_see_user(user) end def update_age(age:, **) user.update!(age: age) end end ``` - The `with_service` controller helper, handling success and failure of the service within a service and making easy to return proper response to it from the controller ```ruby def update with_service(UpdateAge) do on_success { render_serialized(result.user, BasicUserSerializer, root: "user") } end end ``` - Rspec matchers and steps inspector, improving the dev experience while creating specs for a service ```ruby RSpec.describe(UpdateAge) do subject(:result) do described_class.call(guardian: guardian, user_id: user.id, age: age) end fab!(:user) { Fabricate(:user) } fab!(:current_user) { Fabricate(:admin) } let(:guardian) { Guardian.new(current_user) } let(:age) { 1 } it { expect(user.reload.age).to eq(age) } end ``` Note in case of unexpected failure in your spec, the output will give all the relevant information: ``` 1) UpdateAge when no channel_id is given is expected to fail to find a model named 'user' Failure/Error: it { is_expected.to fail_to_find_a_model(:user) } Expected model 'foo' (key: 'result.model.user') was not found in the result object. [1/4] [model] 'user' ❌ [2/4] [policy] 'can_see_user' [3/4] [contract] 'default' [4/4] [step] 'update_age' /Users/joffreyjaffeux/Code/pr-discourse/plugins/chat/app/services/update_age.rb:32:in `fetch_user': missing keyword: :user_id (ArgumentError) from /Users/joffreyjaffeux/Code/pr-discourse/plugins/chat/app/services/base.rb:202:in `instance_exec' from /Users/joffreyjaffeux/Code/pr-discourse/plugins/chat/app/services/base.rb:202:in `call' from /Users/joffreyjaffeux/Code/pr-discourse/plugins/chat/app/services/base.rb:219:in `call' from /Users/joffreyjaffeux/Code/pr-discourse/plugins/chat/app/services/base.rb:417:in `block in run!' from /Users/joffreyjaffeux/Code/pr-discourse/plugins/chat/app/services/base.rb:417:in `each' from /Users/joffreyjaffeux/Code/pr-discourse/plugins/chat/app/services/base.rb:417:in `run!' from /Users/joffreyjaffeux/Code/pr-discourse/plugins/chat/app/services/base.rb:411:in `run' from <internal:kernel>:90:in `tap' from /Users/joffreyjaffeux/Code/pr-discourse/plugins/chat/app/services/base.rb:302:in `call' from /Users/joffreyjaffeux/Code/pr-discourse/plugins/chat/spec/services/update_age_spec.rb:15:in `block (3 levels) in <main>' ```
48 lines
1.5 KiB
JSON
48 lines
1.5 KiB
JSON
{
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"name": "discourse",
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"version": "1.0.0",
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"main": "index.js",
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"repository": "git@github.com:discourse/discourse.git",
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"author": "Discourse",
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"license": "GPL-2.0-only",
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"dependencies": {
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"@discourse/moment-timezone-names-translations": "^1.0.0",
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"@fortawesome/fontawesome-free": "5.15.4",
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"@highlightjs/cdn-assets": "^11.6.0",
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"@json-editor/json-editor": "^2.6.1",
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"ace-builds": "1.4.13",
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"chart.js": "3.5.1",
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"chartjs-plugin-datalabels": "^2.0.0",
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"diffhtml": "^1.0.0-beta.20",
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"magnific-popup": "1.1.0",
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"moment": "2.29.4",
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"moment-timezone": "0.5.39",
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"pikaday": "1.8.2",
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"squoosh": "discourse/squoosh#dc9649d",
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"workbox-cacheable-response": "^4.3.1",
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"workbox-core": "^4.3.1",
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"workbox-expiration": "^4.3.1",
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"workbox-routing": "^4.3.1",
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"workbox-strategies": "^4.3.1",
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"workbox-sw": "^4.3.1"
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},
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"devDependencies": {
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"@mixer/parallel-prettier": "^2.0.3",
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"chrome-launcher": "^0.15.1",
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"chrome-remote-interface": "^0.31.3",
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"eslint-config-discourse": "^3.3.0",
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"jsdoc": "^4.0.0",
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"lefthook": "^1.2.0",
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"puppeteer-core": "^13.7.0",
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"tidy-jsdoc": "^1.4.1"
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},
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"scripts": {
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"postinstall": "yarn --cwd app/assets/javascripts/discourse $(node -e 'if(JSON.parse(process.env.npm_config_argv).original.includes(`--frozen-lockfile`)){console.log(`--frozen-lockfile`)}')"
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},
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"engines": {
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"node": "16.* || >= 18",
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"npm": "please-use-yarn",
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"yarn": ">= 1.21.1"
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}
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}
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