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d7596840e5
ensure that when they click on them they see the correct topics (topics for user they are looking at, not current user)
352 lines
11 KiB
Ruby
352 lines
11 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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STAR = 10
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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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ORDER = Hash[*[
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GOT_PRIVATE_MESSAGE,
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NEW_PRIVATE_MESSAGE,
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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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STAR,
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EDIT
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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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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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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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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.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(opts={})
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user_id = opts[:user_id]
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offset = opts[:offset] || 0
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limit = opts[:limit] || 60
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action_id = opts[:action_id]
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action_types = opts[:action_types]
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guardian = opts[:guardian]
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ignore_private_messages = opts[:ignore_private_messages]
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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("
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SELECT
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t.title, a.action_type, a.created_at, t.id topic_id,
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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,
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p.reply_to_post_number,
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pu.email, pu.username, pu.name, pu.id user_id,
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pu.use_uploaded_avatar, pu.uploaded_avatar_template, pu.uploaded_avatar_id,
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u.email acting_email, u.username acting_username, u.name acting_name, u.id acting_user_id,
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u.use_uploaded_avatar acting_use_uploaded_avatar, u.uploaded_avatar_template acting_uploaded_avatar_template, 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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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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")
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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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# slightly different to standard stream, it collapses replies
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def self.private_message_stream(action_type, opts)
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user_id = opts[:user_id]
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return [] unless opts[:guardian].can_see_private_messages?(user_id)
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builder = SqlBuilder.new("
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SELECT
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t.title, :action_type action_type, p.created_at, t.id topic_id,
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: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,
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p.reply_to_post_number,
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pu.email, pu.username, pu.name, pu.id user_id,
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pu.use_uploaded_avatar, pu.uploaded_avatar_template, pu.uploaded_avatar_id,
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pu.email acting_email, pu.username acting_username, pu.name acting_name, pu.id acting_user_id,
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pu.use_uploaded_avatar acting_use_uploaded_avatar, pu.uploaded_avatar_template acting_uploaded_avatar_template, pu.uploaded_avatar_id acting_uploaded_avatar_id,
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p.cooked,
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CASE WHEN coalesce(p.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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FROM topics t
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JOIN posts p ON p.topic_id = t.id and p.post_number = t.highest_post_number
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JOIN users pu ON pu.id = p.user_id
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JOIN users au ON au.id = :user_id
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WHERE archetype = 'private_message' and EXISTS (
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select 1 from user_actions a where a.user_id = :user_id and a.target_topic_id = t.id and action_type = :action_type)
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ORDER BY p.created_at desc
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/*offset*/
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/*limit*/
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")
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builder
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.offset((opts[:offset] || 0).to_i)
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.limit((opts[:limit] || 60).to_i)
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.map_exec(UserActionRow, user_id: user_id, action_type: action_type)
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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, :target_topic_id, :target_post_id]
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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.where(hash.select{|k,v| required_parameters.include?(k)}).first
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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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update_like_count(user_id, hash[:action_type], 1)
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topic = Topic.includes(:category).where(id: hash[:target_topic_id]).first
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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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MessageBus.publish("/users/#{action.user.username.downcase}",
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action.id,
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user_ids: [user_id],
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group_ids: group_ids )
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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.where(hash).first
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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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update_like_count(hash[:user_id], hash[:action_type], -1)
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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.synchronize_favorites
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exec_sql("
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DELETE FROM user_actions ua
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WHERE action_type = :star
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AND NOT EXISTS (
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SELECT 1 FROM topic_users tu
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WHERE
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tu.user_id = ua.user_id AND
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tu.topic_id = ua.target_topic_id AND
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starred
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)", star: UserAction::STAR)
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exec_sql("INSERT INTO user_actions
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(action_type, user_id, target_topic_id, target_post_id, acting_user_id, created_at, updated_at)
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SELECT :star, tu.user_id, tu.topic_id, -1, tu.user_id, tu.starred_at, tu.starred_at
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FROM topic_users tu
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WHERE starred AND NOT EXISTS(
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SELECT 1 FROM user_actions ua
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WHERE tu.user_id = ua.user_id AND
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tu.topic_id = ua.target_topic_id AND
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ua.action_type = :star
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)
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", star: UserAction::STAR)
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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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self.synchronize_favorites
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end
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protected
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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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User.where(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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User.where(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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unless guardian.can_see_deleted_posts?
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builder.where("p.deleted_at is null and p2.deleted_at is null and t.deleted_at is null")
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end
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unless (guardian.user && guardian.user.id == user_id) || guardian.is_staff?
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builder.where("a.action_type not in (#{BOOKMARK},#{STAR})")
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end
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if !guardian.can_see_private_messages?(user_id) || ignore_private_messages
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builder.where("t.archetype != :archetype", archetype: Archetype::private_message)
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end
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unless guardian.is_staff?
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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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#
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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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# index_actions_on_acting_user_id (acting_user_id)
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# index_actions_on_user_id_and_action_type (user_id,action_type)
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#
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