Revamp post filtering system (#18058)
* Add model for custom filter keywords * Use CustomFilterKeyword internally Does not change the API * Fix /filters/edit and /filters/new * Add migration tests * Remove whole_word column from custom_filters (covered by custom_filter_keywords) * Redesign /filters Instead of a list, present a card that displays more information and handles multiple keywords per filter. * Redesign /filters/new and /filters/edit to add and remove keywords This adds a new gem dependency: cocoon, as well as a npm dependency: cocoon-js-vanilla. Those are used to easily populate and remove form fields from the user interface when manipulating multiple keyword filters at once. * Add /api/v2/filters to edit filter with multiple keywords Entities: - `Filter`: `id`, `title`, `filter_action` (either `hide` or `warn`), `context` `keywords` - `FilterKeyword`: `id`, `keyword`, `whole_word` API endpoits: - `GET /api/v2/filters` to list filters (including keywords) - `POST /api/v2/filters` to create a new filter `keywords_attributes` can also be passed to create keywords in one request - `GET /api/v2/filters/:id` to read a particular filter - `PUT /api/v2/filters/:id` to update a new filter `keywords_attributes` can also be passed to edit, delete or add keywords in one request - `DELETE /api/v2/filters/:id` to delete a particular filter - `GET /api/v2/filters/:id/keywords` to list keywords for a filter - `POST /api/v2/filters/:filter_id/keywords/:id` to add a new keyword to a filter - `GET /api/v2/filter_keywords/:id` to read a particular keyword - `PUT /api/v2/filter_keywords/:id` to edit a particular keyword - `DELETE /api/v2/filter_keywords/:id` to delete a particular keyword * Change from `irreversible` boolean to `action` enum * Remove irrelevent `irreversible_must_be_within_context` check * Fix /filters/new and /filters/edit with update for filter_action * Fix Rubocop/Codeclimate complaining about task names * Refactor FeedManager#phrase_filtered? This moves regexp building and filter caching to the `CustomFilter` class. This does not change the functional behavior yet, but this changes how the cache is built, doing per-custom_filter regexps so that filters can be matched independently, while still offering caching. * Perform server-side filtering and output result in REST API * Fix numerous filters_changed events being sent when editing multiple keywords at once * Add some tests * Use the new API in the WebUI - use client-side logic for filters we have fetched rules for. This is so that filter changes can be retroactively applied without reloading the UI. - use server-side logic for filters we haven't fetched rules for yet (e.g. network error, or initial timeline loading) * Minor optimizations and refactoring * Perform server-side filtering on the streaming server * Change the wording of filter action labels * Fix issues pointed out by linter * Change design of “Show anyway” link in accordence to review comments * Drop “irreversible” filtering behavior * Move /api/v2/filter_keywords to /api/v1/filters/keywords * Rename `filter_results` attribute to `filtered` * Rename REST::LegacyFilterSerializer to REST::V1::FilterSerializer * Fix systemChannelId value in streaming server * Simplify code by removing client-side filtering code The simplifcation comes at a cost though: filters aren't retroactively applied anymore.
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Claire
GitHub
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60 changed files with 1292 additions and 250 deletions
142
spec/controllers/api/v1/filters/keywords_controller_spec.rb
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142
spec/controllers/api/v1/filters/keywords_controller_spec.rb
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@ -0,0 +1,142 @@
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require 'rails_helper'
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RSpec.describe Api::V1::Filters::KeywordsController, type: :controller do
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render_views
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let(:user) { Fabricate(:user) }
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let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
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let(:filter) { Fabricate(:custom_filter, account: user.account) }
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let(:other_user) { Fabricate(:user) }
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let(:other_filter) { Fabricate(:custom_filter, account: other_user.account) }
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before do
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allow(controller).to receive(:doorkeeper_token) { token }
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end
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describe 'GET #index' do
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let(:scopes) { 'read:filters' }
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let!(:keyword) { Fabricate(:custom_filter_keyword, custom_filter: filter) }
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it 'returns http success' do
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get :index, params: { filter_id: filter.id }
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expect(response).to have_http_status(200)
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end
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context "when trying to access another's user filters" do
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it 'returns http not found' do
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get :index, params: { filter_id: other_filter.id }
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expect(response).to have_http_status(404)
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end
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end
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end
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describe 'POST #create' do
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let(:scopes) { 'write:filters' }
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let(:filter_id) { filter.id }
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before do
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post :create, params: { filter_id: filter_id, keyword: 'magic', whole_word: false }
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end
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it 'returns http success' do
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expect(response).to have_http_status(200)
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end
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it 'returns a keyword' do
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json = body_as_json
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expect(json[:keyword]).to eq 'magic'
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expect(json[:whole_word]).to eq false
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end
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it 'creates a keyword' do
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filter = user.account.custom_filters.first
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expect(filter).to_not be_nil
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expect(filter.keywords.pluck(:keyword)).to eq ['magic']
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end
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context "when trying to add to another another's user filters" do
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let(:filter_id) { other_filter.id }
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it 'returns http not found' do
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expect(response).to have_http_status(404)
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end
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end
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end
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describe 'GET #show' do
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let(:scopes) { 'read:filters' }
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let(:keyword) { Fabricate(:custom_filter_keyword, keyword: 'foo', whole_word: false, custom_filter: filter) }
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before do
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get :show, params: { id: keyword.id }
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end
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it 'returns http success' do
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expect(response).to have_http_status(200)
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end
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it 'returns expected data' do
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json = body_as_json
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expect(json[:keyword]).to eq 'foo'
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expect(json[:whole_word]).to eq false
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end
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context "when trying to access another user's filter keyword" do
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let(:keyword) { Fabricate(:custom_filter_keyword, custom_filter: other_filter) }
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it 'returns http not found' do
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expect(response).to have_http_status(404)
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end
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end
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end
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describe 'PUT #update' do
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let(:scopes) { 'write:filters' }
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let(:keyword) { Fabricate(:custom_filter_keyword, custom_filter: filter) }
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before do
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get :update, params: { id: keyword.id, keyword: 'updated' }
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end
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it 'returns http success' do
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expect(response).to have_http_status(200)
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end
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it 'updates the keyword' do
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expect(keyword.reload.keyword).to eq 'updated'
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end
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context "when trying to update another user's filter keyword" do
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let(:keyword) { Fabricate(:custom_filter_keyword, custom_filter: other_filter) }
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it 'returns http not found' do
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expect(response).to have_http_status(404)
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end
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end
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end
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describe 'DELETE #destroy' do
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let(:scopes) { 'write:filters' }
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let(:keyword) { Fabricate(:custom_filter_keyword, custom_filter: filter) }
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before do
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delete :destroy, params: { id: keyword.id }
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end
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it 'returns http success' do
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expect(response).to have_http_status(200)
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end
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it 'removes the filter' do
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expect { keyword.reload }.to raise_error ActiveRecord::RecordNotFound
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end
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context "when trying to update another user's filter keyword" do
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let(:keyword) { Fabricate(:custom_filter_keyword, custom_filter: other_filter) }
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it 'returns http not found' do
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expect(response).to have_http_status(404)
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end
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end
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end
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end
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@ -34,7 +34,7 @@ RSpec.describe Api::V1::FiltersController, type: :controller do
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it 'creates a filter' do
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filter = user.account.custom_filters.first
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expect(filter).to_not be_nil
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expect(filter.phrase).to eq 'magic'
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expect(filter.keywords.pluck(:keyword)).to eq ['magic']
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expect(filter.context).to eq %w(home)
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expect(filter.irreversible?).to be true
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expect(filter.expires_at).to be_nil
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@ -42,21 +42,23 @@ RSpec.describe Api::V1::FiltersController, type: :controller do
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end
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describe 'GET #show' do
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let(:scopes) { 'read:filters' }
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let(:filter) { Fabricate(:custom_filter, account: user.account) }
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let(:scopes) { 'read:filters' }
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let(:filter) { Fabricate(:custom_filter, account: user.account) }
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let(:keyword) { Fabricate(:custom_filter_keyword, custom_filter: filter) }
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it 'returns http success' do
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get :show, params: { id: filter.id }
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get :show, params: { id: keyword.id }
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expect(response).to have_http_status(200)
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end
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end
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describe 'PUT #update' do
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let(:scopes) { 'write:filters' }
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let(:filter) { Fabricate(:custom_filter, account: user.account) }
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let(:scopes) { 'write:filters' }
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let(:filter) { Fabricate(:custom_filter, account: user.account) }
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let(:keyword) { Fabricate(:custom_filter_keyword, custom_filter: filter) }
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before do
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put :update, params: { id: filter.id, phrase: 'updated' }
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put :update, params: { id: keyword.id, phrase: 'updated' }
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end
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it 'returns http success' do
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@ -64,16 +66,17 @@ RSpec.describe Api::V1::FiltersController, type: :controller do
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end
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it 'updates the filter' do
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expect(filter.reload.phrase).to eq 'updated'
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expect(keyword.reload.phrase).to eq 'updated'
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end
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end
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describe 'DELETE #destroy' do
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let(:scopes) { 'write:filters' }
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let(:filter) { Fabricate(:custom_filter, account: user.account) }
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let(:scopes) { 'write:filters' }
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let(:filter) { Fabricate(:custom_filter, account: user.account) }
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let(:keyword) { Fabricate(:custom_filter_keyword, custom_filter: filter) }
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before do
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delete :destroy, params: { id: filter.id }
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delete :destroy, params: { id: keyword.id }
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end
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it 'returns http success' do
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@ -81,7 +84,7 @@ RSpec.describe Api::V1::FiltersController, type: :controller do
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end
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it 'removes the filter' do
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expect { filter.reload }.to raise_error ActiveRecord::RecordNotFound
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expect { keyword.reload }.to raise_error ActiveRecord::RecordNotFound
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end
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end
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end
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@ -20,6 +20,58 @@ RSpec.describe Api::V1::StatusesController, type: :controller do
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get :show, params: { id: status.id }
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expect(response).to have_http_status(200)
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end
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context 'when post includes filtered terms' do
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let(:status) { Fabricate(:status, text: 'this toot is about that banned word') }
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before do
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user.account.custom_filters.create!(phrase: 'filter1', context: %w(home), action: :hide, keywords_attributes: [{ keyword: 'banned' }, { keyword: 'irrelevant' }])
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end
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it 'returns http success' do
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get :show, params: { id: status.id }
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expect(response).to have_http_status(200)
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end
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it 'returns filter information' do
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get :show, params: { id: status.id }
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json = body_as_json
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expect(json[:filtered][0]).to include({
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filter: a_hash_including({
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id: user.account.custom_filters.first.id.to_s,
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title: 'filter1',
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filter_action: 'hide',
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}),
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keyword_matches: ['banned'],
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})
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end
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end
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context 'when reblog includes filtered terms' do
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let(:status) { Fabricate(:status, reblog: Fabricate(:status, text: 'this toot is about that banned word')) }
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before do
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user.account.custom_filters.create!(phrase: 'filter1', context: %w(home), action: :hide, keywords_attributes: [{ keyword: 'banned' }, { keyword: 'irrelevant' }])
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end
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it 'returns http success' do
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get :show, params: { id: status.id }
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expect(response).to have_http_status(200)
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end
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it 'returns filter information' do
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get :show, params: { id: status.id }
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json = body_as_json
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expect(json[:reblog][:filtered][0]).to include({
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filter: a_hash_including({
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id: user.account.custom_filters.first.id.to_s,
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title: 'filter1',
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filter_action: 'hide',
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}),
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keyword_matches: ['banned'],
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})
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end
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end
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end
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describe 'GET #context' do
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121
spec/controllers/api/v2/filters_controller_spec.rb
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121
spec/controllers/api/v2/filters_controller_spec.rb
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@ -0,0 +1,121 @@
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require 'rails_helper'
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RSpec.describe Api::V2::FiltersController, type: :controller do
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render_views
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let(:user) { Fabricate(:user) }
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let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
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before do
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allow(controller).to receive(:doorkeeper_token) { token }
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end
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describe 'GET #index' do
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let(:scopes) { 'read:filters' }
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let!(:filter) { Fabricate(:custom_filter, account: user.account) }
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it 'returns http success' do
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get :index
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expect(response).to have_http_status(200)
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end
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end
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describe 'POST #create' do
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let(:scopes) { 'write:filters' }
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before do
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post :create, params: { title: 'magic', context: %w(home), filter_action: 'hide', keywords_attributes: [keyword: 'magic'] }
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end
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it 'returns http success' do
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expect(response).to have_http_status(200)
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end
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it 'returns a filter with keywords' do
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json = body_as_json
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expect(json[:title]).to eq 'magic'
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expect(json[:filter_action]).to eq 'hide'
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expect(json[:context]).to eq ['home']
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expect(json[:keywords].map { |keyword| keyword.slice(:keyword, :whole_word) }).to eq [{ keyword: 'magic', whole_word: true }]
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end
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it 'creates a filter' do
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filter = user.account.custom_filters.first
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expect(filter).to_not be_nil
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expect(filter.keywords.pluck(:keyword)).to eq ['magic']
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expect(filter.context).to eq %w(home)
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expect(filter.irreversible?).to be true
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expect(filter.expires_at).to be_nil
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end
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end
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describe 'GET #show' do
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let(:scopes) { 'read:filters' }
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let(:filter) { Fabricate(:custom_filter, account: user.account) }
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it 'returns http success' do
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get :show, params: { id: filter.id }
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expect(response).to have_http_status(200)
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end
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end
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describe 'PUT #update' do
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let(:scopes) { 'write:filters' }
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let!(:filter) { Fabricate(:custom_filter, account: user.account) }
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let!(:keyword) { Fabricate(:custom_filter_keyword, custom_filter: filter) }
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context 'updating filter parameters' do
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before do
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put :update, params: { id: filter.id, title: 'updated', context: %w(home public) }
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end
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it 'returns http success' do
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expect(response).to have_http_status(200)
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end
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it 'updates the filter title' do
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expect(filter.reload.title).to eq 'updated'
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end
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it 'updates the filter context' do
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expect(filter.reload.context).to eq %w(home public)
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end
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end
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context 'updating keywords in bulk' do
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before do
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allow(redis).to receive_messages(publish: nil)
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put :update, params: { id: filter.id, keywords_attributes: [{ id: keyword.id, keyword: 'updated' }] }
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end
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it 'returns http success' do
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expect(response).to have_http_status(200)
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end
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it 'updates the keyword' do
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expect(keyword.reload.keyword).to eq 'updated'
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end
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it 'sends exactly one filters_changed event' do
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expect(redis).to have_received(:publish).with("timeline:#{user.account.id}", Oj.dump(event: :filters_changed)).once
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end
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end
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end
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describe 'DELETE #destroy' do
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let(:scopes) { 'write:filters' }
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let(:filter) { Fabricate(:custom_filter, account: user.account) }
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before do
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delete :destroy, params: { id: filter.id }
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end
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it 'returns http success' do
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expect(response).to have_http_status(200)
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end
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it 'removes the filter' do
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expect { filter.reload }.to raise_error ActiveRecord::RecordNotFound
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end
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end
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end
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