From 92b2d926bf3f9cd2160a39666039680eeca84510 Mon Sep 17 00:00:00 2001 From: Eugen Rochko Date: Mon, 12 Apr 2021 12:37:14 +0200 Subject: [PATCH] Add cold-start follow recommendations (#15945) --- .../follow_recommendations_controller.rb | 53 ++++++++++++++++ .../api/v1/suggestions_controller.rb | 2 +- .../api/v2/suggestions_controller.rb | 19 ++++++ .../mastodon/actions/suggestions.js | 8 +-- .../compose/components/search_results.js | 12 ++-- .../mastodon/reducers/suggestions.js | 8 +-- app/lib/potential_friendship_tracker.rb | 12 ++-- app/models/account.rb | 3 +- app/models/account_suggestions.rb | 17 +++++ app/models/account_summary.rb | 25 ++++++++ app/models/concerns/account_associations.rb | 3 + app/models/follow_recommendation.rb | 39 ++++++++++++ app/models/follow_recommendation_filter.rb | 26 ++++++++ .../follow_recommendation_suppression.rb | 28 +++++++++ app/models/form/account_batch.rb | 18 ++++++ app/policies/follow_recommendation_policy.rb | 15 +++++ app/serializers/rest/suggestion_serializer.rb | 7 +++ .../follow_recommendations/_account.html.haml | 20 ++++++ .../follow_recommendations/show.html.haml | 42 +++++++++++++ .../follow_recommendations_scheduler.rb | 61 ++++++++++++++++++ config/locales/en.yml | 8 +++ config/navigation.rb | 1 + config/routes.rb | 2 + config/sidekiq.yml | 4 ++ ...20210322164601_create_account_summaries.rb | 9 +++ ...323114347_create_follow_recommendations.rb | 5 ++ ...eate_follow_recommendation_suppressions.rb | 9 +++ db/schema.rb | 63 +++++++++++++++++-- db/views/account_summaries_v01.sql | 22 +++++++ db/views/follow_recommendations_v01.sql | 38 +++++++++++ ...w_recommendation_suppression_fabricator.rb | 3 + .../follow_recommendation_suppression_spec.rb | 4 ++ 32 files changed, 560 insertions(+), 26 deletions(-) create mode 100644 app/controllers/admin/follow_recommendations_controller.rb create mode 100644 app/controllers/api/v2/suggestions_controller.rb create mode 100644 app/models/account_suggestions.rb create mode 100644 app/models/account_summary.rb create mode 100644 app/models/follow_recommendation.rb create mode 100644 app/models/follow_recommendation_filter.rb create mode 100644 app/models/follow_recommendation_suppression.rb create mode 100644 app/policies/follow_recommendation_policy.rb create mode 100644 app/serializers/rest/suggestion_serializer.rb create mode 100644 app/views/admin/follow_recommendations/_account.html.haml create mode 100644 app/views/admin/follow_recommendations/show.html.haml create mode 100644 app/workers/scheduler/follow_recommendations_scheduler.rb create mode 100644 db/migrate/20210322164601_create_account_summaries.rb create mode 100644 db/migrate/20210323114347_create_follow_recommendations.rb create mode 100644 db/migrate/20210324171613_create_follow_recommendation_suppressions.rb create mode 100644 db/views/account_summaries_v01.sql create mode 100644 db/views/follow_recommendations_v01.sql create mode 100644 spec/fabricators/follow_recommendation_suppression_fabricator.rb create mode 100644 spec/models/follow_recommendation_suppression_spec.rb diff --git a/app/controllers/admin/follow_recommendations_controller.rb b/app/controllers/admin/follow_recommendations_controller.rb new file mode 100644 index 0000000000..e3eac62b36 --- /dev/null +++ b/app/controllers/admin/follow_recommendations_controller.rb @@ -0,0 +1,53 @@ +# frozen_string_literal: true + +module Admin + class FollowRecommendationsController < BaseController + before_action :set_language + + def show + authorize :follow_recommendation, :show? + + @form = Form::AccountBatch.new + @accounts = filtered_follow_recommendations + end + + def update + @form = Form::AccountBatch.new(form_account_batch_params.merge(current_account: current_account, action: action_from_button)) + @form.save + rescue ActionController::ParameterMissing + # Do nothing + ensure + redirect_to admin_follow_recommendations_path(filter_params) + end + + private + + def set_language + @language = follow_recommendation_filter.language + end + + def filtered_follow_recommendations + follow_recommendation_filter.results + end + + def follow_recommendation_filter + @follow_recommendation_filter ||= FollowRecommendationFilter.new(filter_params) + end + + def form_account_batch_params + params.require(:form_account_batch).permit(:action, account_ids: []) + end + + def filter_params + params.slice(*FollowRecommendationFilter::KEYS).permit(*FollowRecommendationFilter::KEYS) + end + + def action_from_button + if params[:suppress] + 'suppress_follow_recommendation' + elsif params[:unsuppress] + 'unsuppress_follow_recommendation' + end + end + end +end diff --git a/app/controllers/api/v1/suggestions_controller.rb b/app/controllers/api/v1/suggestions_controller.rb index 52054160df..b2788cc76c 100644 --- a/app/controllers/api/v1/suggestions_controller.rb +++ b/app/controllers/api/v1/suggestions_controller.rb @@ -19,6 +19,6 @@ class Api::V1::SuggestionsController < Api::BaseController private def set_accounts - @accounts = PotentialFriendshipTracker.get(current_account.id, limit: limit_param(DEFAULT_ACCOUNTS_LIMIT)) + @accounts = PotentialFriendshipTracker.get(current_account, limit_param(DEFAULT_ACCOUNTS_LIMIT)) end end diff --git a/app/controllers/api/v2/suggestions_controller.rb b/app/controllers/api/v2/suggestions_controller.rb new file mode 100644 index 0000000000..35eb276c01 --- /dev/null +++ b/app/controllers/api/v2/suggestions_controller.rb @@ -0,0 +1,19 @@ +# frozen_string_literal: true + +class Api::V2::SuggestionsController < Api::BaseController + include Authorization + + before_action -> { doorkeeper_authorize! :read } + before_action :require_user! + before_action :set_suggestions + + def index + render json: @suggestions, each_serializer: REST::SuggestionSerializer + end + + private + + def set_suggestions + @suggestions = AccountSuggestions.get(current_account, limit_param(DEFAULT_ACCOUNTS_LIMIT)) + end +end diff --git a/app/javascript/mastodon/actions/suggestions.js b/app/javascript/mastodon/actions/suggestions.js index b15bd916ba..0bf959017c 100644 --- a/app/javascript/mastodon/actions/suggestions.js +++ b/app/javascript/mastodon/actions/suggestions.js @@ -11,8 +11,8 @@ export function fetchSuggestions() { return (dispatch, getState) => { dispatch(fetchSuggestionsRequest()); - api(getState).get('/api/v1/suggestions').then(response => { - dispatch(importFetchedAccounts(response.data)); + api(getState).get('/api/v2/suggestions').then(response => { + dispatch(importFetchedAccounts(response.data.map(x => x.account))); dispatch(fetchSuggestionsSuccess(response.data)); }).catch(error => dispatch(fetchSuggestionsFail(error))); }; @@ -25,10 +25,10 @@ export function fetchSuggestionsRequest() { }; }; -export function fetchSuggestionsSuccess(accounts) { +export function fetchSuggestionsSuccess(suggestions) { return { type: SUGGESTIONS_FETCH_SUCCESS, - accounts, + suggestions, skipLoading: true, }; }; diff --git a/app/javascript/mastodon/features/compose/components/search_results.js b/app/javascript/mastodon/features/compose/components/search_results.js index 4b4cdff743..c4e160b8a6 100644 --- a/app/javascript/mastodon/features/compose/components/search_results.js +++ b/app/javascript/mastodon/features/compose/components/search_results.js @@ -51,13 +51,13 @@ class SearchResults extends ImmutablePureComponent { - {suggestions && suggestions.map(accountId => ( + {suggestions && suggestions.map(suggestion => ( ))} diff --git a/app/javascript/mastodon/reducers/suggestions.js b/app/javascript/mastodon/reducers/suggestions.js index 834be728f1..1a6e66ee70 100644 --- a/app/javascript/mastodon/reducers/suggestions.js +++ b/app/javascript/mastodon/reducers/suggestions.js @@ -19,18 +19,18 @@ export default function suggestionsReducer(state = initialState, action) { return state.set('isLoading', true); case SUGGESTIONS_FETCH_SUCCESS: return state.withMutations(map => { - map.set('items', fromJS(action.accounts.map(x => x.id))); + map.set('items', fromJS(action.suggestions.map(x => ({ ...x, account: x.account.id })))); map.set('isLoading', false); }); case SUGGESTIONS_FETCH_FAIL: return state.set('isLoading', false); case SUGGESTIONS_DISMISS: - return state.update('items', list => list.filterNot(id => id === action.id)); + return state.update('items', list => list.filterNot(x => x.account === action.id)); case ACCOUNT_BLOCK_SUCCESS: case ACCOUNT_MUTE_SUCCESS: - return state.update('items', list => list.filterNot(id => id === action.relationship.id)); + return state.update('items', list => list.filterNot(x => x.account === action.relationship.id)); case DOMAIN_BLOCK_SUCCESS: - return state.update('items', list => list.filterNot(id => action.accounts.includes(id))); + return state.update('items', list => list.filterNot(x => action.accounts.includes(x.account))); default: return state; } diff --git a/app/lib/potential_friendship_tracker.rb b/app/lib/potential_friendship_tracker.rb index 188aa4a275..e72d454b67 100644 --- a/app/lib/potential_friendship_tracker.rb +++ b/app/lib/potential_friendship_tracker.rb @@ -28,10 +28,14 @@ class PotentialFriendshipTracker redis.zrem("interactions:#{account_id}", target_account_id) end - def get(account_id, limit: 20, offset: 0) - account_ids = redis.zrevrange("interactions:#{account_id}", offset, limit) - return [] if account_ids.empty? - Account.searchable.where(id: account_ids) + def get(account, limit) + account_ids = redis.zrevrange("interactions:#{account.id}", 0, limit) + + return [] if account_ids.empty? || limit < 1 + + accounts = Account.searchable.where(id: account_ids).index_by(&:id) + + account_ids.map { |id| accounts[id.to_i] }.compact end end end diff --git a/app/models/account.rb b/app/models/account.rb index d85fd1f6e9..80689d4aae 100644 --- a/app/models/account.rb +++ b/app/models/account.rb @@ -110,6 +110,7 @@ class Account < ApplicationRecord scope :matches_domain, ->(value) { where(arel_table[:domain].matches("%#{value}%")) } scope :searchable, -> { without_suspended.where(moved_to_account_id: nil) } scope :discoverable, -> { searchable.without_silenced.where(discoverable: true).left_outer_joins(:account_stat) } + scope :followable_by, ->(account) { joins(arel_table.join(Follow.arel_table, Arel::Nodes::OuterJoin).on(arel_table[:id].eq(Follow.arel_table[:target_account_id]).and(Follow.arel_table[:account_id].eq(account.id))).join_sources).where(Follow.arel_table[:id].eq(nil)).joins(arel_table.join(FollowRequest.arel_table, Arel::Nodes::OuterJoin).on(arel_table[:id].eq(FollowRequest.arel_table[:target_account_id]).and(FollowRequest.arel_table[:account_id].eq(account.id))).join_sources).where(FollowRequest.arel_table[:id].eq(nil)) } scope :tagged_with, ->(tag) { joins(:accounts_tags).where(accounts_tags: { tag_id: tag }) } scope :by_recent_status, -> { order(Arel.sql('(case when account_stats.last_status_at is null then 1 else 0 end) asc, account_stats.last_status_at desc, accounts.id desc')) } scope :by_recent_sign_in, -> { order(Arel.sql('(case when users.current_sign_in_at is null then 1 else 0 end) asc, users.current_sign_in_at desc, accounts.id desc')) } @@ -363,7 +364,7 @@ class Account < ApplicationRecord end def excluded_from_timeline_account_ids - Rails.cache.fetch("exclude_account_ids_for:#{id}") { blocking.pluck(:target_account_id) + blocked_by.pluck(:account_id) + muting.pluck(:target_account_id) } + Rails.cache.fetch("exclude_account_ids_for:#{id}") { block_relationships.pluck(:target_account_id) + blocked_by_relationships.pluck(:account_id) + mute_relationships.pluck(:target_account_id) } end def excluded_from_timeline_domains diff --git a/app/models/account_suggestions.rb b/app/models/account_suggestions.rb new file mode 100644 index 0000000000..7fe9d618ef --- /dev/null +++ b/app/models/account_suggestions.rb @@ -0,0 +1,17 @@ +# frozen_string_literal: true + +class AccountSuggestions + class Suggestion < ActiveModelSerializers::Model + attributes :account, :source + end + + def self.get(account, limit) + suggestions = PotentialFriendshipTracker.get(account, limit).map { |target_account| Suggestion.new(account: target_account, source: :past_interaction) } + suggestions.concat(FollowRecommendation.get(account, limit - suggestions.size, suggestions.map { |suggestion| suggestion.account.id }).map { |target_account| Suggestion.new(account: target_account, source: :global) }) if suggestions.size < limit + suggestions + end + + def self.remove(account, target_account_id) + PotentialFriendshipTracker.remove(account.id, target_account_id) + end +end diff --git a/app/models/account_summary.rb b/app/models/account_summary.rb new file mode 100644 index 0000000000..6a7e17c6c1 --- /dev/null +++ b/app/models/account_summary.rb @@ -0,0 +1,25 @@ +# frozen_string_literal: true +# == Schema Information +# +# Table name: account_summaries +# +# account_id :bigint(8) primary key +# language :string +# sensitive :boolean +# + +class AccountSummary < ApplicationRecord + self.primary_key = :account_id + + scope :safe, -> { where(sensitive: false) } + scope :localized, ->(locale) { where(language: locale) } + scope :filtered, -> { joins(arel_table.join(FollowRecommendationSuppression.arel_table, Arel::Nodes::OuterJoin).on(arel_table[:account_id].eq(FollowRecommendationSuppression.arel_table[:account_id])).join_sources).where(FollowRecommendationSuppression.arel_table[:id].eq(nil)) } + + def self.refresh + Scenic.database.refresh_materialized_view(table_name, concurrently: true, cascade: false) + end + + def readonly? + true + end +end diff --git a/app/models/concerns/account_associations.rb b/app/models/concerns/account_associations.rb index 98849f8fcf..aaf371ebdd 100644 --- a/app/models/concerns/account_associations.rb +++ b/app/models/concerns/account_associations.rb @@ -63,5 +63,8 @@ module AccountAssociations # Account deletion requests has_one :deletion_request, class_name: 'AccountDeletionRequest', inverse_of: :account, dependent: :destroy + + # Follow recommendations + has_one :follow_recommendation_suppression, inverse_of: :account, dependent: :destroy end end diff --git a/app/models/follow_recommendation.rb b/app/models/follow_recommendation.rb new file mode 100644 index 0000000000..c4355224d9 --- /dev/null +++ b/app/models/follow_recommendation.rb @@ -0,0 +1,39 @@ +# frozen_string_literal: true +# == Schema Information +# +# Table name: follow_recommendations +# +# account_id :bigint(8) primary key +# rank :decimal(, ) +# reason :text is an Array +# + +class FollowRecommendation < ApplicationRecord + self.primary_key = :account_id + + belongs_to :account_summary, foreign_key: :account_id + belongs_to :account, foreign_key: :account_id + + scope :safe, -> { joins(:account_summary).merge(AccountSummary.safe) } + scope :localized, ->(locale) { joins(:account_summary).merge(AccountSummary.localized(locale)) } + scope :filtered, -> { joins(:account_summary).merge(AccountSummary.filtered) } + + def readonly? + true + end + + def self.get(account, limit, exclude_account_ids = []) + account_ids = Redis.current.zrevrange("follow_recommendations:#{account.user_locale}", 0, -1).map(&:to_i) - exclude_account_ids - [account.id] + + return [] if account_ids.empty? || limit < 1 + + accounts = Account.followable_by(account) + .not_excluded_by_account(account) + .not_domain_blocked_by_account(account) + .where(id: account_ids) + .limit(limit) + .index_by(&:id) + + account_ids.map { |id| accounts[id] }.compact + end +end diff --git a/app/models/follow_recommendation_filter.rb b/app/models/follow_recommendation_filter.rb new file mode 100644 index 0000000000..acf03cd844 --- /dev/null +++ b/app/models/follow_recommendation_filter.rb @@ -0,0 +1,26 @@ +# frozen_string_literal: true + +class FollowRecommendationFilter + KEYS = %i( + language + status + ).freeze + + attr_reader :params, :language + + def initialize(params) + @language = params.delete('language') || I18n.locale + @params = params + end + + def results + if params['status'] == 'suppressed' + Account.joins(:follow_recommendation_suppression).order(FollowRecommendationSuppression.arel_table[:id].desc).to_a + else + account_ids = Redis.current.zrevrange("follow_recommendations:#{@language}", 0, -1).map(&:to_i) + accounts = Account.where(id: account_ids).index_by(&:id) + + account_ids.map { |id| accounts[id] }.compact + end + end +end diff --git a/app/models/follow_recommendation_suppression.rb b/app/models/follow_recommendation_suppression.rb new file mode 100644 index 0000000000..170506b853 --- /dev/null +++ b/app/models/follow_recommendation_suppression.rb @@ -0,0 +1,28 @@ +# frozen_string_literal: true +# == Schema Information +# +# Table name: follow_recommendation_suppressions +# +# id :bigint(8) not null, primary key +# account_id :bigint(8) not null +# created_at :datetime not null +# updated_at :datetime not null +# + +class FollowRecommendationSuppression < ApplicationRecord + include Redisable + + belongs_to :account + + after_commit :remove_follow_recommendations, on: :create + + private + + def remove_follow_recommendations + redis.pipelined do + I18n.available_locales.each do |locale| + redis.zrem("follow_recommendations:#{locale}", account_id) + end + end + end +end diff --git a/app/models/form/account_batch.rb b/app/models/form/account_batch.rb index 26d6d3abfc..698933c9fb 100644 --- a/app/models/form/account_batch.rb +++ b/app/models/form/account_batch.rb @@ -21,6 +21,10 @@ class Form::AccountBatch approve! when 'reject' reject! + when 'suppress_follow_recommendation' + suppress_follow_recommendation! + when 'unsuppress_follow_recommendation' + unsuppress_follow_recommendation! end end @@ -79,4 +83,18 @@ class Form::AccountBatch records.each { |account| authorize(account.user, :reject?) } .each { |account| DeleteAccountService.new.call(account, reserve_email: false, reserve_username: false) } end + + def suppress_follow_recommendation! + authorize(:follow_recommendation, :suppress?) + + accounts.each do |account| + FollowRecommendationSuppression.create(account: account) + end + end + + def unsuppress_follow_recommendation! + authorize(:follow_recommendation, :unsuppress?) + + FollowRecommendationSuppression.where(account_id: account_ids).destroy_all + end end diff --git a/app/policies/follow_recommendation_policy.rb b/app/policies/follow_recommendation_policy.rb new file mode 100644 index 0000000000..68cd0e547f --- /dev/null +++ b/app/policies/follow_recommendation_policy.rb @@ -0,0 +1,15 @@ +# frozen_string_literal: true + +class FollowRecommendationPolicy < ApplicationPolicy + def show? + staff? + end + + def suppress? + staff? + end + + def unsuppress? + staff? + end +end diff --git a/app/serializers/rest/suggestion_serializer.rb b/app/serializers/rest/suggestion_serializer.rb new file mode 100644 index 0000000000..3d697fd9f1 --- /dev/null +++ b/app/serializers/rest/suggestion_serializer.rb @@ -0,0 +1,7 @@ +# frozen_string_literal: true + +class REST::SuggestionSerializer < ActiveModel::Serializer + attributes :source + + has_one :account, serializer: REST::AccountSerializer +end diff --git a/app/views/admin/follow_recommendations/_account.html.haml b/app/views/admin/follow_recommendations/_account.html.haml new file mode 100644 index 0000000000..af5a4aaf7d --- /dev/null +++ b/app/views/admin/follow_recommendations/_account.html.haml @@ -0,0 +1,20 @@ +.batch-table__row + %label.batch-table__row__select.batch-table__row__select--aligned.batch-checkbox + = f.check_box :account_ids, { multiple: true, include_hidden: false }, account.id + .batch-table__row__content.batch-table__row__content--unpadded + %table.accounts-table + %tbody + %tr + %td= account_link_to account + %td.accounts-table__count.optional + = number_to_human account.statuses_count, strip_insignificant_zeros: true + %small= t('accounts.posts', count: account.statuses_count).downcase + %td.accounts-table__count.optional + = number_to_human account.followers_count, strip_insignificant_zeros: true + %small= t('accounts.followers', count: account.followers_count).downcase + %td.accounts-table__count + - if account.last_status_at.present? + %time.time-ago{ datetime: account.last_status_at.to_date.iso8601, title: l(account.last_status_at.to_date) }= l account.last_status_at + - else + \- + %small= t('accounts.last_active') diff --git a/app/views/admin/follow_recommendations/show.html.haml b/app/views/admin/follow_recommendations/show.html.haml new file mode 100644 index 0000000000..1f050329a4 --- /dev/null +++ b/app/views/admin/follow_recommendations/show.html.haml @@ -0,0 +1,42 @@ +- content_for :page_title do + = t('admin.follow_recommendations.title') + +- content_for :header_tags do + = javascript_pack_tag 'admin', async: true, crossorigin: 'anonymous' + +.simple_form + %p.hint= t('admin.follow_recommendations.description_html') + +%hr.spacer/ + += form_tag admin_follow_recommendations_path, method: 'GET', class: 'simple_form' do + .filters + .filter-subset.filter-subset--with-select + %strong= t('admin.follow_recommendations.language') + .input.select.optional + = select_tag :language, options_for_select(I18n.available_locales.map { |key| [human_locale(key), key]}, @language) + + .filter-subset + %strong= t('admin.follow_recommendations.status') + %ul + %li= filter_link_to t('admin.accounts.moderation.active'), status: nil + %li= filter_link_to t('admin.follow_recommendations.suppressed'), status: 'suppressed' + += form_for(@form, url: admin_follow_recommendations_path, method: :patch) do |f| + - RelationshipFilter::KEYS.each do |key| + = hidden_field_tag key, params[key] if params[key].present? + + .batch-table + .batch-table__toolbar + %label.batch-table__toolbar__select.batch-checkbox-all + = check_box_tag :batch_checkbox_all, nil, false + .batch-table__toolbar__actions + - if params[:status].blank? && can?(:suppress, :follow_recommendation) + = f.button safe_join([fa_icon('times'), t('admin.follow_recommendations.suppress')]), name: :suppress, class: 'table-action-link', type: :submit, data: { confirm: t('admin.reports.are_you_sure') } + - if params[:status] == 'suppressed' && can?(:unsuppress, :follow_recommendation) + = f.button safe_join([fa_icon('plus'), t('admin.follow_recommendations.unsuppress')]), name: :unsuppress, class: 'table-action-link', type: :submit + .batch-table__body + - if @accounts.empty? + = nothing_here 'nothing-here--under-tabs' + - else + = render partial: 'account', collection: @accounts, locals: { f: f } diff --git a/app/workers/scheduler/follow_recommendations_scheduler.rb b/app/workers/scheduler/follow_recommendations_scheduler.rb new file mode 100644 index 0000000000..0a02864960 --- /dev/null +++ b/app/workers/scheduler/follow_recommendations_scheduler.rb @@ -0,0 +1,61 @@ +# frozen_string_literal: true + +class Scheduler::FollowRecommendationsScheduler + include Sidekiq::Worker + include Redisable + + sidekiq_options retry: 0 + + # The maximum number of accounts that can be requested in one page from the + # API is 80, and the suggestions API does not allow pagination. This number + # leaves some room for accounts being filtered during live access + SET_SIZE = 100 + + def perform + # Maintaining a materialized view speeds-up subsequent queries significantly + AccountSummary.refresh + + fallback_recommendations = FollowRecommendation.safe.filtered.limit(SET_SIZE).index_by(&:account_id) + + I18n.available_locales.each do |locale| + recommendations = begin + if AccountSummary.safe.filtered.localized(locale).exists? # We can skip the work if no accounts with that language exist + FollowRecommendation.safe.filtered.localized(locale).limit(SET_SIZE).index_by(&:account_id) + else + {} + end + end + + # Use language-agnostic results if there are not enough language-specific ones + missing = SET_SIZE - recommendations.keys.size + + if missing.positive? + added = 0 + + # Avoid duplicate results + fallback_recommendations.each_value do |recommendation| + next if recommendations.key?(recommendation.account_id) + + recommendations[recommendation.account_id] = recommendation + added += 1 + + break if added >= missing + end + end + + redis.pipelined do + redis.del(key(locale)) + + recommendations.each_value do |recommendation| + redis.zadd(key(locale), recommendation.rank, recommendation.account_id) + end + end + end + end + + private + + def key(locale) + "follow_recommendations:#{locale}" + end +end diff --git a/config/locales/en.yml b/config/locales/en.yml index 3387b4df6a..afab6d9b56 100644 --- a/config/locales/en.yml +++ b/config/locales/en.yml @@ -440,6 +440,14 @@ en: create: Add domain title: Block new e-mail domain title: Blocked e-mail domains + follow_recommendations: + description_html: "Follow recommendations help new users quickly find interesting content. When a user has not interacted with others enough to form personalized follow recommendations, these accounts are recommended instead. They are re-calculated on a daily basis from a mix of accounts with the highest recent engagements and highest local follower counts for a given language." + language: For language + status: Status + suppress: Suppress follow recommendation + suppressed: Suppressed + title: Follow recommendations + unsuppress: Restore follow recommendation instances: by_domain: Domain delivery_available: Delivery is available diff --git a/config/navigation.rb b/config/navigation.rb index 3a82c7971b..b3462c48d3 100644 --- a/config/navigation.rb +++ b/config/navigation.rb @@ -39,6 +39,7 @@ SimpleNavigation::Configuration.run do |navigation| s.item :accounts, safe_join([fa_icon('users fw'), t('admin.accounts.title')]), admin_accounts_url, highlights_on: %r{/admin/accounts|/admin/pending_accounts} s.item :invites, safe_join([fa_icon('user-plus fw'), t('admin.invites.title')]), admin_invites_path s.item :tags, safe_join([fa_icon('hashtag fw'), t('admin.tags.title')]), admin_tags_path, highlights_on: %r{/admin/tags} + s.item :follow_recommendations, safe_join([fa_icon('user-plus fw'), t('admin.follow_recommendations.title')]), admin_follow_recommendations_path, highlights_on: %r{/admin/follow_recommendations} s.item :instances, safe_join([fa_icon('cloud fw'), t('admin.instances.title')]), admin_instances_url(limited: whitelist_mode? ? nil : '1'), highlights_on: %r{/admin/instances|/admin/domain_blocks|/admin/domain_allows}, if: -> { current_user.admin? } s.item :email_domain_blocks, safe_join([fa_icon('envelope fw'), t('admin.email_domain_blocks.title')]), admin_email_domain_blocks_url, highlights_on: %r{/admin/email_domain_blocks}, if: -> { current_user.admin? } s.item :ip_blocks, safe_join([fa_icon('ban fw'), t('admin.ip_blocks.title')]), admin_ip_blocks_url, highlights_on: %r{/admin/ip_blocks}, if: -> { current_user.admin? } diff --git a/config/routes.rb b/config/routes.rb index eedd0de699..4661a7c114 100644 --- a/config/routes.rb +++ b/config/routes.rb @@ -292,6 +292,7 @@ Rails.application.routes.draw do end resources :account_moderation_notes, only: [:create, :destroy] + resource :follow_recommendations, only: [:show, :update] resources :tags, only: [:index, :show, :update] do collection do @@ -507,6 +508,7 @@ Rails.application.routes.draw do namespace :v2 do resources :media, only: [:create] get '/search', to: 'search#index', as: :search + resources :suggestions, only: [:index] end namespace :web do diff --git a/config/sidekiq.yml b/config/sidekiq.yml index 010923717e..a8e4c7feb4 100644 --- a/config/sidekiq.yml +++ b/config/sidekiq.yml @@ -25,6 +25,10 @@ cron: '<%= Random.rand(0..59) %> <%= Random.rand(0..2) %> * * *' class: Scheduler::FeedCleanupScheduler queue: scheduler + follow_recommendations_scheduler: + cron: '<%= Random.rand(0..59) %> <%= Random.rand(6..9) %> * * *' + class: Scheduler::FollowRecommendationsScheduler + queue: scheduler doorkeeper_cleanup_scheduler: cron: '<%= Random.rand(0..59) %> <%= Random.rand(0..2) %> * * 0' class: Scheduler::DoorkeeperCleanupScheduler diff --git a/db/migrate/20210322164601_create_account_summaries.rb b/db/migrate/20210322164601_create_account_summaries.rb new file mode 100644 index 0000000000..b9faf180d8 --- /dev/null +++ b/db/migrate/20210322164601_create_account_summaries.rb @@ -0,0 +1,9 @@ +class CreateAccountSummaries < ActiveRecord::Migration[5.2] + def change + create_view :account_summaries, materialized: true + + # To be able to refresh the view concurrently, + # at least one unique index is required + safety_assured { add_index :account_summaries, :account_id, unique: true } + end +end diff --git a/db/migrate/20210323114347_create_follow_recommendations.rb b/db/migrate/20210323114347_create_follow_recommendations.rb new file mode 100644 index 0000000000..77e7290320 --- /dev/null +++ b/db/migrate/20210323114347_create_follow_recommendations.rb @@ -0,0 +1,5 @@ +class CreateFollowRecommendations < ActiveRecord::Migration[5.2] + def change + create_view :follow_recommendations + end +end diff --git a/db/migrate/20210324171613_create_follow_recommendation_suppressions.rb b/db/migrate/20210324171613_create_follow_recommendation_suppressions.rb new file mode 100644 index 0000000000..c17a0be635 --- /dev/null +++ b/db/migrate/20210324171613_create_follow_recommendation_suppressions.rb @@ -0,0 +1,9 @@ +class CreateFollowRecommendationSuppressions < ActiveRecord::Migration[6.1] + def change + create_table :follow_recommendation_suppressions do |t| + t.references :account, null: false, foreign_key: { on_delete: :cascade }, index: { unique: true } + + t.timestamps + end + end +end diff --git a/db/schema.rb b/db/schema.rb index 4edaf56515..28f36abb1a 100644 --- a/db/schema.rb +++ b/db/schema.rb @@ -2,15 +2,15 @@ # of editing this file, please use the migrations feature of Active Record to # incrementally modify your database, and then regenerate this schema definition. # -# Note that this schema.rb definition is the authoritative source for your -# database schema. If you need to create the application database on another -# system, you should be using db:schema:load, not running all the migrations -# from scratch. The latter is a flawed and unsustainable approach (the more migrations -# you'll amass, the slower it'll run and the greater likelihood for issues). +# This file is the source Rails uses to define your schema when running `bin/rails +# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to +# be faster and is potentially less error prone than running all of your +# migrations from scratch. Old migrations may fail to apply correctly if those +# migrations use external dependencies or application code. # # It's strongly recommended that you check this file into your version control system. -ActiveRecord::Schema.define(version: 2021_03_08_133107) do +ActiveRecord::Schema.define(version: 2021_03_24_171613) do # These are extensions that must be enabled in order to support this database enable_extension "plpgsql" @@ -406,6 +406,13 @@ ActiveRecord::Schema.define(version: 2021_03_08_133107) do t.index ["tag_id"], name: "index_featured_tags_on_tag_id" end + create_table "follow_recommendation_suppressions", force: :cascade do |t| + t.bigint "account_id", null: false + t.datetime "created_at", precision: 6, null: false + t.datetime "updated_at", precision: 6, null: false + t.index ["account_id"], name: "index_follow_recommendation_suppressions_on_account_id", unique: true + end + create_table "follow_requests", force: :cascade do |t| t.datetime "created_at", null: false t.datetime "updated_at", null: false @@ -996,6 +1003,7 @@ ActiveRecord::Schema.define(version: 2021_03_08_133107) do add_foreign_key "favourites", "statuses", name: "fk_b0e856845e", on_delete: :cascade add_foreign_key "featured_tags", "accounts", on_delete: :cascade add_foreign_key "featured_tags", "tags", on_delete: :cascade + add_foreign_key "follow_recommendation_suppressions", "accounts", on_delete: :cascade add_foreign_key "follow_requests", "accounts", column: "target_account_id", name: "fk_9291ec025d", on_delete: :cascade add_foreign_key "follow_requests", "accounts", name: "fk_76d644b0e7", on_delete: :cascade add_foreign_key "follows", "accounts", column: "target_account_id", name: "fk_745ca29eac", on_delete: :cascade @@ -1079,4 +1087,47 @@ ActiveRecord::Schema.define(version: 2021_03_08_133107) do SQL add_index "instances", ["domain"], name: "index_instances_on_domain", unique: true + create_view "account_summaries", materialized: true, sql_definition: <<-SQL + SELECT accounts.id AS account_id, + mode() WITHIN GROUP (ORDER BY t0.language) AS language, + mode() WITHIN GROUP (ORDER BY t0.sensitive) AS sensitive + FROM (accounts + CROSS JOIN LATERAL ( SELECT statuses.account_id, + statuses.language, + statuses.sensitive + FROM statuses + WHERE ((statuses.account_id = accounts.id) AND (statuses.deleted_at IS NULL)) + ORDER BY statuses.id DESC + LIMIT 20) t0) + WHERE ((accounts.suspended_at IS NULL) AND (accounts.silenced_at IS NULL) AND (accounts.moved_to_account_id IS NULL) AND (accounts.discoverable = true) AND (accounts.locked = false)) + GROUP BY accounts.id; + SQL + add_index "account_summaries", ["account_id"], name: "index_account_summaries_on_account_id", unique: true + + create_view "follow_recommendations", sql_definition: <<-SQL + SELECT t0.account_id, + sum(t0.rank) AS rank, + array_agg(t0.reason) AS reason + FROM ( SELECT accounts.id AS account_id, + ((count(follows.id))::numeric / (1.0 + (count(follows.id))::numeric)) AS rank, + 'most_followed'::text AS reason + FROM ((follows + JOIN accounts ON ((accounts.id = follows.target_account_id))) + JOIN users ON ((users.account_id = follows.account_id))) + WHERE ((users.current_sign_in_at >= (now() - 'P30D'::interval)) AND (accounts.suspended_at IS NULL) AND (accounts.moved_to_account_id IS NULL) AND (accounts.silenced_at IS NULL) AND (accounts.locked = false) AND (accounts.discoverable = true)) + GROUP BY accounts.id + HAVING (count(follows.id) >= 5) + UNION ALL + SELECT accounts.id AS account_id, + (sum((status_stats.reblogs_count + status_stats.favourites_count)) / (1.0 + sum((status_stats.reblogs_count + status_stats.favourites_count)))) AS rank, + 'most_interactions'::text AS reason + FROM ((status_stats + JOIN statuses ON ((statuses.id = status_stats.status_id))) + JOIN accounts ON ((accounts.id = statuses.account_id))) + WHERE ((statuses.id >= (((date_part('epoch'::text, (now() - 'P30D'::interval)) * (1000)::double precision))::bigint << 16)) AND (accounts.suspended_at IS NULL) AND (accounts.moved_to_account_id IS NULL) AND (accounts.silenced_at IS NULL) AND (accounts.locked = false) AND (accounts.discoverable = true)) + GROUP BY accounts.id + HAVING (sum((status_stats.reblogs_count + status_stats.favourites_count)) >= (5)::numeric)) t0 + GROUP BY t0.account_id + ORDER BY (sum(t0.rank)) DESC; + SQL end diff --git a/db/views/account_summaries_v01.sql b/db/views/account_summaries_v01.sql new file mode 100644 index 0000000000..5a632b6227 --- /dev/null +++ b/db/views/account_summaries_v01.sql @@ -0,0 +1,22 @@ +SELECT + accounts.id AS account_id, + mode() WITHIN GROUP (ORDER BY language ASC) AS language, + mode() WITHIN GROUP (ORDER BY sensitive ASC) AS sensitive +FROM accounts +CROSS JOIN LATERAL ( + SELECT + statuses.account_id, + statuses.language, + statuses.sensitive + FROM statuses + WHERE statuses.account_id = accounts.id + AND statuses.deleted_at IS NULL + ORDER BY statuses.id DESC + LIMIT 20 +) t0 +WHERE accounts.suspended_at IS NULL + AND accounts.silenced_at IS NULL + AND accounts.moved_to_account_id IS NULL + AND accounts.discoverable = 't' + AND accounts.locked = 'f' +GROUP BY accounts.id diff --git a/db/views/follow_recommendations_v01.sql b/db/views/follow_recommendations_v01.sql new file mode 100644 index 0000000000..799abeaee5 --- /dev/null +++ b/db/views/follow_recommendations_v01.sql @@ -0,0 +1,38 @@ +SELECT + account_id, + sum(rank) AS rank, + array_agg(reason) AS reason +FROM ( + SELECT + accounts.id AS account_id, + count(follows.id) / (1.0 + count(follows.id)) AS rank, + 'most_followed' AS reason + FROM follows + INNER JOIN accounts ON accounts.id = follows.target_account_id + INNER JOIN users ON users.account_id = follows.account_id + WHERE users.current_sign_in_at >= (now() - interval '30 days') + AND accounts.suspended_at IS NULL + AND accounts.moved_to_account_id IS NULL + AND accounts.silenced_at IS NULL + AND accounts.locked = 'f' + AND accounts.discoverable = 't' + GROUP BY accounts.id + HAVING count(follows.id) >= 5 + UNION ALL + SELECT accounts.id AS account_id, + sum(reblogs_count + favourites_count) / (1.0 + sum(reblogs_count + favourites_count)) AS rank, + 'most_interactions' AS reason + FROM status_stats + INNER JOIN statuses ON statuses.id = status_stats.status_id + INNER JOIN accounts ON accounts.id = statuses.account_id + WHERE statuses.id >= ((date_part('epoch', now() - interval '30 days') * 1000)::bigint << 16) + AND accounts.suspended_at IS NULL + AND accounts.moved_to_account_id IS NULL + AND accounts.silenced_at IS NULL + AND accounts.locked = 'f' + AND accounts.discoverable = 't' + GROUP BY accounts.id + HAVING sum(reblogs_count + favourites_count) >= 5 +) t0 +GROUP BY account_id +ORDER BY rank DESC diff --git a/spec/fabricators/follow_recommendation_suppression_fabricator.rb b/spec/fabricators/follow_recommendation_suppression_fabricator.rb new file mode 100644 index 0000000000..4a6a07a66c --- /dev/null +++ b/spec/fabricators/follow_recommendation_suppression_fabricator.rb @@ -0,0 +1,3 @@ +Fabricator(:follow_recommendation_suppression) do + account +end diff --git a/spec/models/follow_recommendation_suppression_spec.rb b/spec/models/follow_recommendation_suppression_spec.rb new file mode 100644 index 0000000000..39107a2b04 --- /dev/null +++ b/spec/models/follow_recommendation_suppression_spec.rb @@ -0,0 +1,4 @@ +require 'rails_helper' + +RSpec.describe FollowRecommendationSuppression, type: :model do +end