89 lines
2.2 KiB
Ruby
89 lines
2.2 KiB
Ruby
# frozen_string_literal: true
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class SuggestedTopicsBuilder
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attr_reader :excluded_topic_ids
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def initialize(topic)
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@excluded_topic_ids = [topic.id]
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@category_id = topic.category_id
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@category_topic_ids = Category.topic_ids
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@results = []
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end
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def add_results(results, priority = :low)
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# WARNING .blank? will execute an Active Record query
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return unless results
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# Only add results if we don't have those topic ids already
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results = results
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.where('topics.id NOT IN (?)', @excluded_topic_ids)
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.where(visible: true)
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# If limit suggested to category is enabled, restrict to that category
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if @category_id && SiteSetting.limit_suggested_to_category?
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results = results.where(category_id: @category_id)
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end
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results = results.to_a
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results.reject! { |topic| @category_topic_ids.include?(topic.id) }
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unless results.empty?
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# protect against dupes
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temp = results
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results = []
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temp.each do |r|
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if !@excluded_topic_ids.include?(r.id)
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results << r
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@excluded_topic_ids << r.id
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end
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end
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splice_results(results, priority)
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end
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end
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def splice_results(results, priority)
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if priority == :ultra_high
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@results.insert 0, *results
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elsif @category_id && priority == :high
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# Topics from category @category_id need to be first in the list, all others after.
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other_category_index = @results.index { |r| r.category_id != @category_id }
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category_results, other_category_results = results.partition { |r| r.category_id == @category_id }
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if other_category_index
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@results.insert other_category_index, *category_results
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else
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@results.concat category_results
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end
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@results.concat other_category_results
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else
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@results.concat results
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end
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end
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def results
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@results.first(SiteSetting.suggested_topics)
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end
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def results_left
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SiteSetting.suggested_topics - @results.size
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end
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def full?
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results_left <= 0
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end
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def category_results_left
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SiteSetting.suggested_topics - @results.count { |r| r.category_id == @category_id }
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end
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def size
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@results.size
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end
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end
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