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# frozen_string_literal: true
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class Status < ApplicationRecord
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include ActiveModel :: Validations
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include Paginable
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include Streamable
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include Cacheable
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enum visibility : [ :public , :unlisted , :private , :direct ] , _suffix : :visibility
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belongs_to :application , class_name : 'Doorkeeper::Application'
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belongs_to :account , inverse_of : :statuses
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belongs_to :in_reply_to_account , foreign_key : 'in_reply_to_account_id' , class_name : 'Account'
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belongs_to :thread , foreign_key : 'in_reply_to_id' , class_name : 'Status' , inverse_of : :replies
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belongs_to :reblog , foreign_key : 'reblog_of_id' , class_name : 'Status' , inverse_of : :reblogs
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has_many :favourites , inverse_of : :status , dependent : :destroy
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has_many :reblogs , foreign_key : 'reblog_of_id' , class_name : 'Status' , inverse_of : :reblog , dependent : :destroy
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has_many :replies , foreign_key : 'in_reply_to_id' , class_name : 'Status' , inverse_of : :thread
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has_many :mentions , dependent : :destroy
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has_many :media_attachments , dependent : :destroy
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has_and_belongs_to_many :tags
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has_one :notification , as : :activity , dependent : :destroy
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has_one :preview_card , dependent : :destroy
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validates :account , presence : true
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validates :uri , uniqueness : true , unless : 'local?'
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validates :text , presence : true , unless : 'reblog?'
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validates_with StatusLengthValidator
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validates :reblog , uniqueness : { scope : :account , message : 'of status already exists' } , if : 'reblog?'
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default_scope { order ( 'id desc' ) }
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scope :remote , - > { where . not ( uri : nil ) }
scope :local , - > { where ( uri : nil ) }
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scope :without_replies , - > { where ( 'statuses.reply = FALSE OR statuses.in_reply_to_account_id = statuses.account_id' ) }
scope :without_reblogs , - > { where ( 'statuses.reblog_of_id IS NULL' ) }
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cache_associated :account , :application , :media_attachments , :tags , :stream_entry , mentions : :account , reblog : [ :account , :application , :stream_entry , :tags , :media_attachments , mentions : :account ] , thread : :account
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def reply?
super || ! in_reply_to_id . nil?
end
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def local?
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uri . nil?
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end
def reblog?
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! reblog_of_id . nil?
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end
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def verb
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reblog? ? :share : :post
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end
def object_type
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reply? ? :comment : :note
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end
def content
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reblog? ? reblog . text : text
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end
def target
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reblog
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end
def title
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content
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end
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def hidden?
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private_visibility? || direct_visibility?
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end
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def permitted? ( other_account = nil )
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if direct_visibility?
account . id == other_account & . id || mentions . where ( account : other_account ) . exists?
elsif private_visibility?
account . id == other_account & . id || other_account & . following? ( account ) || mentions . where ( account : other_account ) . exists?
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else
other_account . nil? || ! account . blocking? ( other_account )
end
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end
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def ancestors ( account = nil )
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ids = ( Status . find_by_sql ( [ 'WITH RECURSIVE search_tree(id, in_reply_to_id, path) AS (SELECT id, in_reply_to_id, ARRAY[id] FROM statuses WHERE id = ? UNION ALL SELECT statuses.id, statuses.in_reply_to_id, path || statuses.id FROM search_tree JOIN statuses ON statuses.id = search_tree.in_reply_to_id WHERE NOT statuses.id = ANY(path)) SELECT id FROM search_tree ORDER BY path DESC' , id ] ) - [ self ] ) . pluck ( :id )
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statuses = Status . where ( id : ids ) . group_by ( & :id )
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results = ids . map { | id | statuses [ id ] . first }
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results = results . reject { | status | filter_from_context? ( status , account ) }
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results
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end
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def descendants ( account = nil )
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ids = ( Status . find_by_sql ( [ 'WITH RECURSIVE search_tree(id, path) AS (SELECT id, ARRAY[id] FROM statuses WHERE id = ? UNION ALL SELECT statuses.id, path || statuses.id FROM search_tree JOIN statuses ON statuses.in_reply_to_id = search_tree.id WHERE NOT statuses.id = ANY(path)) SELECT id FROM search_tree ORDER BY path' , id ] ) - [ self ] ) . pluck ( :id )
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statuses = Status . where ( id : ids ) . group_by ( & :id )
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results = ids . map { | id | statuses [ id ] . first }
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results = results . reject { | status | filter_from_context? ( status , account ) }
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results
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end
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class << self
def as_home_timeline ( account )
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where ( account : [ account ] + account . following )
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end
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def as_public_timeline ( account = nil , local_only = false )
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query = joins ( 'LEFT OUTER JOIN accounts ON statuses.account_id = accounts.id' )
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. where ( visibility : :public )
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. without_replies
. without_reblogs
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query = query . where ( 'accounts.domain IS NULL' ) if local_only
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account . nil? ? filter_timeline_default ( query ) : filter_timeline_default ( filter_timeline ( query , account ) )
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end
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def as_tag_timeline ( tag , account = nil , local_only = false )
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query = tag . statuses
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. joins ( 'LEFT OUTER JOIN accounts ON statuses.account_id = accounts.id' )
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. where ( visibility : :public )
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. without_reblogs
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query = query . where ( 'accounts.domain IS NULL' ) if local_only
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account . nil? ? filter_timeline_default ( query ) : filter_timeline_default ( filter_timeline ( query , account ) )
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end
def favourites_map ( status_ids , account_id )
Favourite . select ( 'status_id' ) . where ( status_id : status_ids ) . where ( account_id : account_id ) . map { | f | [ f . status_id , true ] } . to_h
end
def reblogs_map ( status_ids , account_id )
select ( 'reblog_of_id' ) . where ( reblog_of_id : status_ids ) . where ( account_id : account_id ) . map { | s | [ s . reblog_of_id , true ] } . to_h
end
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def reload_stale_associations! ( cached_items )
account_ids = [ ]
cached_items . each do | item |
account_ids << item . account_id
account_ids << item . reblog . account_id if item . reblog?
end
accounts = Account . where ( id : account_ids . uniq ) . map { | a | [ a . id , a ] } . to_h
cached_items . each do | item |
item . account = accounts [ item . account_id ]
item . reblog . account = accounts [ item . reblog . account_id ] if item . reblog?
end
end
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def permitted_for ( target_account , account )
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return where . not ( visibility : [ :private , :direct ] ) if account . nil?
if target_account . blocking? ( account ) # get rid of blocked peeps
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where ( '1 = 0' )
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elsif account . id == target_account . id # author can see own stuff
where ( '1 = 1' )
elsif account . following? ( target_account ) # followers can see followers-only stuff, but also things they are mentioned in
joins ( 'LEFT OUTER JOIN mentions ON statuses.id = mentions.status_id AND mentions.account_id = ' + account . id . to_s )
. where ( 'statuses.visibility != ? OR mentions.id IS NOT NULL' , Status . visibilities [ :direct ] )
else # non-followers can see everything that isn't private/direct, but can see stuff they are mentioned in
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joins ( 'LEFT OUTER JOIN mentions ON statuses.id = mentions.status_id AND mentions.account_id = ' + account . id . to_s )
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. where ( 'statuses.visibility NOT IN (?) OR mentions.id IS NOT NULL' , [ Status . visibilities [ :direct ] , Status . visibilities [ :private ] ] )
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end
end
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private
def filter_timeline ( query , account )
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blocked = Block . where ( account : account ) . pluck ( :target_account_id ) + Block . where ( target_account : account ) . pluck ( :account_id ) + Mute . where ( account : account ) . pluck ( :target_account_id )
query = query . where ( 'statuses.account_id NOT IN (?)' , blocked ) unless blocked . empty? # Only give us statuses from people we haven't blocked, or muted, or that have blocked us
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query = query . where ( 'accounts.silenced = TRUE' ) if account . silenced? # and if we're hellbanned, only people who are also hellbanned
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query
end
def filter_timeline_default ( query )
query . where ( 'accounts.silenced = FALSE' )
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end
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end
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before_validation do
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text . strip!
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spoiler_text & . strip!
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self . reply = ! ( in_reply_to_id . nil? && thread . nil? ) unless reply
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self . reblog = reblog . reblog if reblog? && reblog . reblog?
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self . in_reply_to_account_id = ( thread . account_id == account_id && thread . reply? ? thread . in_reply_to_account_id : thread . account_id ) if reply? && ! thread . nil?
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self . visibility = ( account . locked? ? :private : :public ) if visibility . nil?
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end
private
def filter_from_context? ( status , account )
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account & . blocking? ( status . account_id ) || account & . muting? ( status . account_id ) || ( status . account . silenced? && ! account & . following? ( status . account_id ) ) || ! status . permitted? ( account )
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end
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end