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30990006a9
This reduces chances of errors where consumers of strings mutate inputs and reduces memory usage of the app. Test suite passes now, but there may be some stuff left, so we will run a few sites on a branch prior to merging
206 lines
5.2 KiB
Ruby
206 lines
5.2 KiB
Ruby
# frozen_string_literal: true
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# ViewModel used on Summary tab on User page
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class UserSummary
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MAX_SUMMARY_RESULTS = 6
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MAX_BADGES = 6
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alias :read_attribute_for_serialization :send
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def initialize(user, guardian)
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@user = user
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@guardian = guardian
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end
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def topics
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Topic
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.secured(@guardian)
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.listable_topics
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.visible
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.where(user: @user)
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.order('like_count DESC, created_at DESC')
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.limit(MAX_SUMMARY_RESULTS)
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end
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def replies
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Post
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.joins(:topic)
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.includes(:topic)
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.secured(@guardian)
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.merge(Topic.listable_topics.visible.secured(@guardian))
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.where(user: @user)
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.where('post_number > 1')
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.order('posts.like_count DESC, posts.created_at DESC')
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.limit(MAX_SUMMARY_RESULTS)
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end
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def links
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TopicLink
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.joins(:topic, :post)
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.includes(:topic, :post)
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.where('posts.post_type IN (?)', Topic.visible_post_types(@guardian && @guardian.user))
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.merge(Topic.listable_topics.visible.secured(@guardian))
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.where(user: @user)
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.where(internal: false, reflection: false, quote: false)
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.order('clicks DESC, topic_links.created_at DESC')
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.limit(MAX_SUMMARY_RESULTS)
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end
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class UserWithCount < OpenStruct
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include ActiveModel::SerializerSupport
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end
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def most_liked_by_users
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likers = {}
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UserAction.joins(:target_topic, :target_post)
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.merge(Topic.listable_topics.visible.secured(@guardian))
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.where(user: @user)
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.where(action_type: UserAction::WAS_LIKED)
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.group(:acting_user_id)
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.order('COUNT(*) DESC')
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.limit(MAX_SUMMARY_RESULTS)
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.pluck('acting_user_id, COUNT(*)')
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.each { |l| likers[l[0]] = l[1] }
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user_counts(likers)
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end
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def most_liked_users
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liked_users = {}
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UserAction.joins(:target_topic, :target_post)
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.merge(Topic.listable_topics.visible.secured(@guardian))
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.where(action_type: UserAction::WAS_LIKED)
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.where(acting_user_id: @user.id)
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.group(:user_id)
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.order('COUNT(*) DESC')
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.limit(MAX_SUMMARY_RESULTS)
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.pluck('user_actions.user_id, COUNT(*)')
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.each { |l| liked_users[l[0]] = l[1] }
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user_counts(liked_users)
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end
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REPLY_ACTIONS ||= [UserAction::RESPONSE, UserAction::QUOTE, UserAction::MENTION]
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def most_replied_to_users
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replied_users = {}
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Post
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.joins(:topic)
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.joins('JOIN posts replies ON posts.topic_id = replies.topic_id AND posts.reply_to_post_number = replies.post_number')
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.includes(:topic)
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.secured(@guardian)
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.merge(Topic.listable_topics.visible.secured(@guardian))
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.where(user: @user)
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.where('replies.user_id <> ?', @user.id)
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.group('replies.user_id')
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.order('COUNT(*) DESC')
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.limit(MAX_SUMMARY_RESULTS)
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.pluck('replies.user_id, COUNT(*)')
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.each { |r| replied_users[r[0]] = r[1] }
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user_counts(replied_users)
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end
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def badges
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@user.featured_user_badges(MAX_BADGES)
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end
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def user_id
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@user.id
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end
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def user_stat
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@user.user_stat
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end
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def bookmark_count
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UserAction
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.where(user: @user)
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.where(action_type: UserAction::BOOKMARK)
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.count
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end
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def recent_time_read
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@user.recent_time_read
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end
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class CategoryWithCounts < OpenStruct
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include ActiveModel::SerializerSupport
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KEYS = [:id, :name, :color, :text_color, :slug, :read_restricted, :parent_category_id]
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end
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def top_categories
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post_count_query = Post
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.joins(:topic)
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.includes(:topic)
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.secured(@guardian)
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.merge(Topic.listable_topics.visible.secured(@guardian))
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.where(user: @user)
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.group('topics.category_id')
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.order('COUNT(*) DESC')
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top_categories = {}
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Category.where(id: post_count_query.limit(MAX_SUMMARY_RESULTS).pluck('category_id'))
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.pluck(:id, :name, :color, :text_color, :slug, :read_restricted, :parent_category_id)
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.each do |c|
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top_categories[c[0].to_i] = CategoryWithCounts.new(
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Hash[CategoryWithCounts::KEYS.zip(c)].merge(
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topic_count: 0,
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post_count: 0
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)
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)
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end
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post_count_query.where('post_number > 1')
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.where('topics.category_id in (?)', top_categories.keys)
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.pluck('category_id, COUNT(*)')
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.each do |r|
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top_categories[r[0].to_i].post_count = r[1]
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end
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Topic.listable_topics.visible.secured(@guardian)
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.where('topics.category_id in (?)', top_categories.keys)
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.where(user: @user)
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.group('topics.category_id')
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.order('COUNT(*) DESC')
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.pluck('category_id, COUNT(*)')
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.each do |r|
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top_categories[r[0].to_i].topic_count = r[1]
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end
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top_categories.values.sort_by do |r|
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-(r[:post_count] + r[:topic_count])
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end
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end
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delegate :likes_given,
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:likes_received,
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:days_visited,
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:topics_entered,
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:posts_read_count,
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:topic_count,
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:post_count,
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:time_read,
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to: :user_stat
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protected
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def user_counts(user_hash)
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user_ids = user_hash.keys
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lookup = AvatarLookup.new(user_ids)
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user_ids.map do |user_id|
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lookup_hash = lookup[user_id]
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UserWithCount.new(
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lookup_hash.attributes.merge(count: user_hash[user_id])
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) if lookup_hash.present?
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end.compact.sort_by { |u| -u[:count] }
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end
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end
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