Module: Followability::Followable::Actions::Follow

Defined in:
lib/followability/followable/actions/follow.rb

Constant Summary collapse

I18N_SCOPE = 
'followability.errors.follow'

Instance Method Summary collapse

Instance Method Details

#accept_follow_request_of(record) ⇒ Object 



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# File 'lib/followability/followable/actions/follow.rb', line 65

def accept_follow_request_of(record)
  if myself?(record)
    errors.add(:base, I18n.t('accept_follow_request_of.myself', scope: I18N_SCOPE, klass: record.class))

    return false
  end

  relation = follow_requests.find_by(followerable_id: record.id, followerable_type: record.class.name)

  if relation.blank?
    errors.add(:base,
               I18n.t('accept_follow_request_of.empty_relation', scope: I18N_SCOPE, klass: record.class.name))

    false
  elsif relation.update(status: Followability::Relationship.statuses[:following])
    run_callback(record, affected: record, callback: :follow_request_accepted_by_someone)
    run_callback(self, affected: self, callback: :follow_request_accepted_by_me)

    true
  else
    errors.add(:base, relation.errors.full_messages.to_sentence)

    false
  end
end

#decline_follow_request_of(record) ⇒ Object 



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# File 'lib/followability/followable/actions/follow.rb', line 10

def decline_follow_request_of(record)
  if myself?(record)
    errors.add(:base, I18n.t('decline_follow_request_of.myself', scope: I18N_SCOPE, klass: record.class))

    return false
  end

  relation = follow_requests.find_by(followerable_id: record.id, followerable_type: record.class.name)

  if relation.blank?
    errors.add(:base,
               I18n.t('decline_follow_request_of.empty_relation', scope: I18N_SCOPE, klass: record.class.name))

    false
  elsif relation.destroy
    run_callback(self, affected: record, callback: :follow_request_declined_by_me)
    run_callback(record, affected: self, callback: :follow_request_declined_by_someone)

    true
  else
    errors.add(:base, relation.errors.full_messages.to_sentence)

    false
  end
end

#following?(record) ⇒ Boolean

rubocop:enable Metrics/AbcSize, Metrics/MethodLength

Returns:

  • (Boolean) 


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# File 'lib/followability/followable/actions/follow.rb', line 168

def following?(record)
  following.exists?(id: record.id)
end

#mutual_following_with?(record) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/followability/followable/actions/follow.rb', line 172

def mutual_following_with?(record)
  following.exists?(id: record.id) && followers.exists?(id: record.id)
end

#remove_follow_request_for(record) ⇒ Object 



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# File 'lib/followability/followable/actions/follow.rb', line 91

def remove_follow_request_for(record)
  if myself?(record)
    errors.add(:base, I18n.t('remove_follow_request_for.myself', scope: I18N_SCOPE, klass: record.class))

    return false
  end

  relation = pending_requests.find_by(followable_id: record.id, followable_type: record.class.name)

  if relation.blank?
    errors.add(:base,
               I18n.t('remove_follow_request_for.empty_relation', scope: I18N_SCOPE, klass: record.class.name))

    false
  elsif relation.destroy
    run_callback(self, affected: record, callback: :follow_request_removed_by_me)
    run_callback(record, affected: self, callback: :follow_request_removed_by_someone)

    true
  else
    errors.add(:base, relation.errors.full_messages.to_sentence)

    false
  end
end

#send_follow_request_to(record) ⇒ Object

rubocop:disable Metrics/AbcSize, Metrics/MethodLength



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# File 'lib/followability/followable/actions/follow.rb', line 118

def send_follow_request_to(record)
  if myself?(record)
    errors.add(:base, I18n.t('send_follow_request_to.myself', scope: I18N_SCOPE, klass: record.class))

    return false
  end

  if blocked_by?(record)
    errors.add(:base, I18n.t('send_follow_request_to.blocked_by', scope: I18N_SCOPE, klass: record.class.name))

    return false
  end

  if following?(record)
    errors.add(:base,
               I18n.t('send_follow_request_to.following', scope: I18N_SCOPE,
                                                          klass: pluralize(record.class.name)))

    return false
  end

  if sent_follow_request_to?(record)
    errors.add(:base,
               I18n.t('send_follow_request_to.already_sent', scope: I18N_SCOPE, klass: record.class.name))

    return false
  end

  if blocked?(record)
    errors.add(:base, I18n.t('send_follow_request_to.blocked', scope: I18N_SCOPE, klass: record.class.name))

    return false
  end

  relation = pending_requests.new(followable: record,
                                  status: Followability::Relationship.statuses[:requested])

  if relation.save
    run_callback(self, affected: record, callback: :follow_request_sent_to_someone)
    run_callback(record, affected: self, callback: :follow_request_sent_to_me)

    true
  else
    errors.add(:base, relation.errors.full_messages.to_sentence)

    false
  end
end

#sent_follow_request_to?(record) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/followability/followable/actions/follow.rb', line 176

def sent_follow_request_to?(record)
  record.follow_requests.exists?(followerable_id: id, followerable_type: self.class.name)
end

#unfollow(record) ⇒ Object 



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# File 'lib/followability/followable/actions/follow.rb', line 36

def unfollow(record)
  if myself?(record)
    errors.add(:base, I18n.t('unfollow.myself', scope: I18N_SCOPE, klass: record.class))

    return false
  end

  unless following?(record)
    errors.add(:base, I18n.t('unfollow.not_following', scope: I18N_SCOPE, klass: record.class))

    return false
  end

  relation = followerable_relationships.find_by(followable_id: record.id,
                                                followable_type: record.class.name,
                                                status: Followable::Relationship.statuses[:following])

  if relation.destroy
    run_callback(self, affected: record, callback: :unfollowed_by_me)
    run_callback(record, affected: self, callback: :unfollowed_by_someone)

    true
  else
    errors.add(:base, relation.errors.full_messages)

    false
  end
end