Class: Topic

Inherits:
ControlledVocabularyTerm show all
Includes:
Shared::Tags
Defined in:
app/models/topic.rb

Overview

A Topic is a user defined subject. It is used in conjuction with a citation on an OTU. Topics assert that “this source says something about this taxon on this topic.”

Constant Summary

Constants inherited from ControlledVocabularyTerm

ControlledVocabularyTerm::ALTERNATE_VALUES_FOR

Constants included from SoftValidation

SoftValidation::ANCESTORS_WITH_SOFT_VALIDATIONS

Instance Attribute Summary

Attributes inherited from ControlledVocabularyTerm

#definition, #name, #project_id, #type, #uri, #uri_relation

Class Method Summary collapse

Methods included from Shared::Tags

#reject_tags, #tag_with, #tagged?, #tagged_with?

Methods inherited from ControlledVocabularyTerm

clone_from_project, #uri_relation_is_a_skos_relation

Methods included from SoftValidation

#clear_soft_validations, #fix_for, #fix_soft_validations, #soft_fixed?, #soft_valid?, #soft_validate, #soft_validated?, #soft_validations, #soft_validators

Methods included from Shared::IsData

#errors_excepting, #full_error_messages_excepting, #identical, #is_community?, #is_destroyable?, #is_editable?, #is_in_use?, #is_in_users_projects?, #metamorphosize, #similar

Methods included from Shared::HasPapertrail

#attribute_updated, #attribute_updater

Methods included from Shared::AlternateValues

#all_values_for, #alternate_valued?

Methods included from Housekeeping

#has_polymorphic_relationship?

Methods inherited from ApplicationRecord

transaction_with_retry

Class Method Details

.find_for_autocomplete(params) ⇒ Object

TODO: Deprecate for CVT + params (if not already done)



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# File 'app/models/topic.rb', line 26

def self.find_for_autocomplete(params)
  term = params[:term]
  ControlledVocabularyTerm
    .where('name ILIKE ? OR name = ? OR definition ILIKE ?', "%#{term}%", term, "%#{term}%")
    .where(project_id: params[:project_id], type: 'Topic')
end

.select_optimized(user_id, project_id, klass, target = 'Citation') ⇒ Hash

if ‘Content` then not used

Returns:

  • (Hash) —

    topics optimized for user selection



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# File 'app/models/topic.rb', line 72

def self.select_optimized(user_id, project_id, klass, target = 'Citation')
  r = used_recently(user_id, project_id, klass, target)
  h = {
      quick: [],
      pinboard: Topic.pinned_by(user_id).where(project_id:).to_a,
      recent: []
  }

  if r.empty?
    h[:quick] = Topic.pinned_by(user_id).pinboard_inserted.where(project_id:).to_a
  else
    h[:recent] = Topic.where('"controlled_vocabulary_terms"."id" IN (?)', r.first(10) ).order(:name).to_a
    h[:quick] = (Topic.pinned_by(user_id).pinboard_inserted.where(project_id:).to_a +
        Topic.where('"controlled_vocabulary_terms"."id" IN (?)', r.first(5) ).order(:name).to_a +
        Topic.where(project_id:, created_by_id: user_id, updated_at: (3.hours.ago..Time.now)).limit(5).to_a).uniq
  end

  h
end

.used_recently(user_id, project_id, klass, used_on = 'Citation') ⇒ Scope

Returns the max 10 most recently used topics, as used on Content or Citation.

Parameters:

  • used_on (String) (defaults to: 'Citation') —

    one of ‘Citation` (default) or `Content`

Returns:

  • (Scope) —

    the max 10 most recently used topics, as used on Content or Citation



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# File 'app/models/topic.rb', line 36

def self.used_recently(user_id, project_id, klass, used_on = 'Citation')
  t = case used_on
      when 'Citation'
        CitationTopic.arel_table
      when 'Content'
        ::Content.arel_table
      end

  p = Topic.arel_table

  # i is a select manager
  i = t.project(t['topic_id'], t['updated_at']).from(t)
    .where(t['updated_at'].gt(10.weeks.ago))
    .where(t['updated_by_id'].eq(user_id))
    .where(t['project_id'].eq(project_id))
    .order(t['updated_at'].desc)

  # z is a table alias
  z = i.as('recent_t')

  if klass.blank?
    Topic.joins(
        Arel::Nodes::InnerJoin.new(z, Arel::Nodes::On.new(z['topic_id'].eq(p['id'])))
    ).pluck(:id).uniq
  else
    Topic.used_on_klass(klass).joins(
        Arel::Nodes::InnerJoin.new(z, Arel::Nodes::On.new(z['topic_id'].eq(p['id'])))
    ).pluck(:id).uniq
  end
end