40 lines
1.1 KiB
Ruby
40 lines
1.1 KiB
Ruby
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require_dependency 'similar_topic_serializer'
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require_dependency 'search/grouped_search_results'
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class SimilarTopicsController < ApplicationController
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class SimilarTopic
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def initialize(topic)
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@topic = topic
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end
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attr_reader :topic
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def blurb
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Search::GroupedSearchResults.blurb_for(@topic.try(:blurb))
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end
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end
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def index
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params.require(:title)
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params.require(:raw)
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title, raw = params[:title], params[:raw]
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[:title, :raw].each { |key| check_length_of(key, params[key]) }
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# Only suggest similar topics if the site has a minimum amount of topics present.
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return render json: [] unless Topic.count_exceeds_minimum?
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topics = Topic.similar_to(title, raw, current_user).to_a
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topics.map! {|t| SimilarTopic.new(t) }
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render_serialized(topics, SimilarTopicSerializer, root: :similar_topics, rest_serializer: true)
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end
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protected
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def check_length_of(key, attr)
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str = (key == :raw) ? "body" : key.to_s
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raise Discourse::InvalidParameters.new(key) if attr.length < SiteSetting.send("min_#{str}_similar_length")
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end
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end
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