421 lines
13 KiB
Ruby
421 lines
13 KiB
Ruby
class UserAction < ActiveRecord::Base
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belongs_to :user
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belongs_to :target_post, class_name: "Post"
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belongs_to :target_topic, class_name: "Topic"
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validates_presence_of :action_type
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validates_presence_of :user_id
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LIKE = 1
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WAS_LIKED = 2
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BOOKMARK = 3
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NEW_TOPIC = 4
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REPLY = 5
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RESPONSE = 6
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MENTION = 7
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QUOTE = 9
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EDIT = 11
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NEW_PRIVATE_MESSAGE = 12
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GOT_PRIVATE_MESSAGE = 13
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PENDING = 14
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SOLVED = 15
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ASSIGNED = 16
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ORDER = Hash[*[
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GOT_PRIVATE_MESSAGE,
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NEW_PRIVATE_MESSAGE,
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PENDING,
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NEW_TOPIC,
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REPLY,
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RESPONSE,
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LIKE,
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WAS_LIKED,
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MENTION,
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QUOTE,
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BOOKMARK,
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EDIT,
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SOLVED,
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ASSIGNED,
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].each_with_index.to_a.flatten]
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# note, this is temporary until we upgrade to rails 4
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# in rails 4 types are mapped correctly so you dont end up
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# having strings where you would expect bools
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class UserActionRow < OpenStruct
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include ActiveModel::SerializerSupport
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def as_json(options = nil)
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@table.as_json(options)
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end
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end
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def self.last_action_in_topic(user_id, topic_id)
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UserAction.where(user_id: user_id,
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target_topic_id: topic_id,
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action_type: [RESPONSE, MENTION, QUOTE]).order('created_at DESC').pluck(:target_post_id).first
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end
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def self.stats(user_id, guardian)
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# Sam: I tried this in AR and it got complex
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builder = UserAction.sql_builder <<SQL
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SELECT action_type, COUNT(*) count
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FROM user_actions a
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LEFT JOIN topics t ON t.id = a.target_topic_id
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LEFT JOIN posts p on p.id = a.target_post_id
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LEFT JOIN posts p2 on p2.topic_id = a.target_topic_id and p2.post_number = 1
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LEFT JOIN categories c ON c.id = t.category_id
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/*where*/
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GROUP BY action_type
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SQL
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builder.where('a.user_id = :user_id', user_id: user_id)
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apply_common_filters(builder, user_id, guardian)
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results = builder.exec.to_a
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results.sort! { |a, b| ORDER[a.action_type] <=> ORDER[b.action_type] }
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results
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end
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def self.private_messages_stats(user_id, guardian)
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return unless guardian.can_see_private_messages?(user_id)
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# list the stats for: all/mine/unread/groups (topic-based)
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sql = <<-SQL
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SELECT COUNT(*) "all"
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, SUM(CASE WHEN t.user_id = :user_id THEN 1 ELSE 0 END) "mine"
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, SUM(CASE WHEN tu.last_read_post_number IS NULL OR tu.last_read_post_number < t.highest_post_number THEN 1 ELSE 0 END) "unread"
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FROM topics t
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LEFT JOIN topic_users tu ON t.id = tu.topic_id AND tu.user_id = :user_id
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WHERE t.deleted_at IS NULL
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AND t.archetype = 'private_message'
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AND t.id IN (SELECT topic_id FROM topic_allowed_users WHERE user_id = :user_id)
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SQL
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all, mine, unread = exec_sql(sql, user_id: user_id).values[0].map(&:to_i)
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sql = <<-SQL
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SELECT g.name, COUNT(*) "count"
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FROM topics t
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JOIN topic_allowed_groups tg ON topic_id = t.id
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JOIN group_users gu ON gu.user_id = :user_id AND gu.group_id = tg.group_id
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JOIN groups g ON g.id = gu.group_id
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WHERE deleted_at IS NULL
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AND archetype = 'private_message'
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GROUP BY g.name
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SQL
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result = { all: all, mine: mine, unread: unread }
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exec_sql(sql, user_id: user_id).each do |row|
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(result[:groups] ||= []) << { name: row["name"], count: row["count"].to_i }
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end
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result
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end
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def self.stream_item(action_id, guardian)
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stream(action_id: action_id, guardian: guardian).first
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end
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def self.stream_queued(opts = nil)
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opts ||= {}
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offset = opts[:offset] || 0
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limit = opts[:limit] || 60
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builder = SqlBuilder.new <<-SQL
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SELECT
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a.id,
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t.title, a.action_type, a.created_at, t.id topic_id,
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u.username, u.name, u.id AS user_id,
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qp.raw,
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t.category_id
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FROM user_actions as a
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JOIN queued_posts AS qp ON qp.id = a.queued_post_id
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LEFT OUTER JOIN topics t on t.id = qp.topic_id
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JOIN users u on u.id = a.user_id
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LEFT JOIN categories c on c.id = t.category_id
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/*where*/
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/*order_by*/
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/*offset*/
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/*limit*/
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SQL
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builder
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.where('a.user_id = :user_id', user_id: opts[:user_id].to_i)
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.where('action_type = :pending', pending: UserAction::PENDING)
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.order_by("a.created_at desc")
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.offset(offset.to_i)
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.limit(limit.to_i)
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.map_exec(UserActionRow)
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end
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def self.stream(opts = nil)
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opts ||= {}
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action_types = opts[:action_types]
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user_id = opts[:user_id]
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action_id = opts[:action_id]
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guardian = opts[:guardian]
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ignore_private_messages = opts[:ignore_private_messages]
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offset = opts[:offset] || 0
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limit = opts[:limit] || 60
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# The weird thing is that target_post_id can be null, so it makes everything
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# ever so more complex. Should we allow this, not sure.
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builder = SqlBuilder.new <<-SQL
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SELECT
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a.id,
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t.title, a.action_type, a.created_at, t.id topic_id,
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t.closed AS topic_closed, t.archived AS topic_archived,
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a.user_id AS target_user_id, au.name AS target_name, au.username AS target_username,
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coalesce(p.post_number, 1) post_number, p.id as post_id,
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p.reply_to_post_number,
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pu.username, pu.name, pu.id user_id,
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pu.uploaded_avatar_id,
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u.username acting_username, u.name acting_name, u.id acting_user_id,
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u.uploaded_avatar_id acting_uploaded_avatar_id,
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coalesce(p.cooked, p2.cooked) cooked,
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CASE WHEN coalesce(p.deleted_at, p2.deleted_at, t.deleted_at) IS NULL THEN false ELSE true END deleted,
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p.hidden,
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p.post_type,
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p.action_code,
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p.edit_reason,
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t.category_id
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FROM user_actions as a
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JOIN topics t on t.id = a.target_topic_id
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LEFT JOIN posts p on p.id = a.target_post_id
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JOIN posts p2 on p2.topic_id = a.target_topic_id and p2.post_number = 1
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JOIN users u on u.id = a.acting_user_id
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JOIN users pu on pu.id = COALESCE(p.user_id, t.user_id)
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JOIN users au on au.id = a.user_id
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LEFT JOIN categories c on c.id = t.category_id
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/*where*/
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/*order_by*/
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/*offset*/
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/*limit*/
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SQL
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apply_common_filters(builder, user_id, guardian, ignore_private_messages)
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if action_id
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builder.where("a.id = :id", id: action_id.to_i)
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else
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builder.where("a.user_id = :user_id", user_id: user_id.to_i)
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builder.where("a.action_type in (:action_types)", action_types: action_types) if action_types && action_types.length > 0
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builder
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.order_by("a.created_at desc")
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.offset(offset.to_i)
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.limit(limit.to_i)
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end
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builder.map_exec(UserActionRow)
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end
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def self.log_action!(hash)
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required_parameters = [:action_type, :user_id, :acting_user_id]
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if hash[:action_type] == UserAction::PENDING
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required_parameters << :queued_post_id
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else
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required_parameters << :target_post_id
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required_parameters << :target_topic_id
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end
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require_parameters(hash, *required_parameters)
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transaction(requires_new: true) do
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begin
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# TODO there are conditions when this is called and user_id was already rolled back and is invalid.
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# protect against dupes, for some reason this is failing in some cases
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action = self.find_by(hash.select { |k, _| required_parameters.include?(k) })
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return action if action
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action = self.new(hash)
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if hash[:created_at]
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action.created_at = hash[:created_at]
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end
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action.save!
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user_id = hash[:user_id]
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topic = Topic.includes(:category).find_by(id: hash[:target_topic_id])
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if topic && !topic.private_message?
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update_like_count(user_id, hash[:action_type], 1)
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end
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# move into Topic perhaps
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group_ids = nil
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if topic && topic.category && topic.category.read_restricted
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group_ids = topic.category.groups.pluck("groups.id")
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end
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if action.user
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MessageBus.publish("/u/#{action.user.username.downcase}", action.id, user_ids: [user_id], group_ids: group_ids)
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end
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action
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rescue ActiveRecord::RecordNotUnique
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# can happen, don't care already logged
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raise ActiveRecord::Rollback
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end
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end
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end
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def self.remove_action!(hash)
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require_parameters(hash, :action_type, :user_id, :acting_user_id, :target_topic_id, :target_post_id)
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if action = UserAction.find_by(hash.except(:created_at))
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action.destroy
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MessageBus.publish("/user/#{hash[:user_id]}", user_action_id: action.id, remove: true)
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end
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if !Topic.where(id: hash[:target_topic_id], archetype: Archetype.private_message).exists?
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update_like_count(hash[:user_id], hash[:action_type], -1)
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end
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end
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def self.synchronize_target_topic_ids(post_ids = nil)
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# nuke all dupes, using magic
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builder = SqlBuilder.new <<SQL
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DELETE FROM user_actions USING user_actions ua2
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/*where*/
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SQL
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builder.where <<SQL
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user_actions.action_type = ua2.action_type AND
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user_actions.user_id = ua2.user_id AND
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user_actions.acting_user_id = ua2.acting_user_id AND
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user_actions.target_post_id = ua2.target_post_id AND
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user_actions.target_post_id > 0 AND
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user_actions.id > ua2.id
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SQL
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if post_ids
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builder.where("user_actions.target_post_id in (:post_ids)", post_ids: post_ids)
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end
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builder.exec
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builder = SqlBuilder.new("UPDATE user_actions
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SET target_topic_id = (select topic_id from posts where posts.id = target_post_id)
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/*where*/")
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builder.where("target_topic_id <> (select topic_id from posts where posts.id = target_post_id)")
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if post_ids
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builder.where("target_post_id in (:post_ids)", post_ids: post_ids)
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end
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builder.exec
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end
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def self.ensure_consistency!
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self.synchronize_target_topic_ids
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end
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def self.update_like_count(user_id, action_type, delta)
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if action_type == LIKE
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UserStat.where(user_id: user_id).update_all("likes_given = likes_given + #{delta.to_i}")
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elsif action_type == WAS_LIKED
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UserStat.where(user_id: user_id).update_all("likes_received = likes_received + #{delta.to_i}")
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end
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end
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def self.apply_common_filters(builder, user_id, guardian, ignore_private_messages = false)
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# We never return deleted topics in activity
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builder.where("t.deleted_at is null")
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# We will return deleted posts though if the user can see it
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unless guardian.can_see_deleted_posts?
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builder.where("p.deleted_at is null and p2.deleted_at is null")
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current_user_id = -2
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current_user_id = guardian.user.id if guardian.user
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builder.where("NOT COALESCE(p.hidden, false) OR p.user_id = :current_user_id", current_user_id: current_user_id)
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end
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visible_post_types = Topic.visible_post_types(guardian.user)
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builder.where("COALESCE(p.post_type, p2.post_type) IN (:visible_post_types)", visible_post_types: visible_post_types)
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unless (guardian.user && guardian.user.id == user_id) || guardian.is_staff?
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builder.where("t.visible")
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end
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unless guardian.can_see_notifications?(User.where(id: user_id).first)
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builder.where("a.action_type not in (#{BOOKMARK})")
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builder.where('a.action_type <> :pending', pending: UserAction::PENDING)
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end
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if !guardian.can_see_private_messages?(user_id) || ignore_private_messages || !guardian.user
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builder.where("t.archetype <> :private_message", private_message: Archetype::private_message)
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else
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unless guardian.is_admin?
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sql = <<~SQL
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t.archetype <> :private_message OR
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EXISTS (
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SELECT 1 FROM topic_allowed_users tu WHERE tu.topic_id = t.id AND tu.user_id = :current_user_id
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) OR
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EXISTS (
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SELECT 1 FROM topic_allowed_groups tg WHERE tg.topic_id = t.id AND tg.group_id IN (
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SELECT group_id FROM group_users gu WHERE gu.user_id = :current_user_id
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)
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)
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SQL
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builder.where(sql, private_message: Archetype::private_message, current_user_id: guardian.user.id)
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end
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end
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unless guardian.is_admin?
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allowed = guardian.secure_category_ids
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if allowed.present?
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builder.where("( c.read_restricted IS NULL OR
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NOT c.read_restricted OR
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(c.read_restricted and c.id in (:cats)) )", cats: guardian.secure_category_ids)
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else
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builder.where("(c.read_restricted IS NULL OR NOT c.read_restricted)")
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end
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end
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end
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def self.require_parameters(data, *params)
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params.each do |p|
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raise Discourse::InvalidParameters.new(p) if data[p].nil?
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end
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end
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end
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# == Schema Information
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#
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# Table name: user_actions
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#
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# id :integer not null, primary key
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# action_type :integer not null
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# user_id :integer not null
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# target_topic_id :integer
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# target_post_id :integer
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# target_user_id :integer
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# acting_user_id :integer
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# created_at :datetime not null
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# updated_at :datetime not null
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# queued_post_id :integer
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#
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# Indexes
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#
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# idx_unique_rows (action_type,user_id,target_topic_id,target_post_id,acting_user_id) UNIQUE
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# idx_user_actions_speed_up_user_all (user_id,created_at,action_type)
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# index_user_actions_on_acting_user_id (acting_user_id)
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# index_user_actions_on_target_post_id (target_post_id)
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# index_user_actions_on_user_id_and_action_type (user_id,action_type)
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#
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