61 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| 
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| class Api::V1::Trends::LinksController < Api::BaseController
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|   vary_by 'Authorization, Accept-Language'
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| 
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|   before_action :set_links
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| 
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|   after_action :insert_pagination_headers
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| 
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|   DEFAULT_LINKS_LIMIT = 10
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| 
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|   def index
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|     cache_if_unauthenticated!
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|     render json: @links, each_serializer: REST::Trends::LinkSerializer
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|   end
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| 
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|   private
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| 
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|   def enabled?
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|     Setting.trends
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|   end
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| 
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|   def set_links
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|     @links = if enabled?
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|                links_from_trends.offset(offset_param).limit(limit_param(DEFAULT_LINKS_LIMIT))
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|              else
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|                []
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|              end
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|   end
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| 
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|   def links_from_trends
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|     scope = Trends.links.query.allowed.in_locale(content_locale)
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|     scope = scope.filtered_for(current_account) if user_signed_in?
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|     scope
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|   end
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| 
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|   def insert_pagination_headers
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|     set_pagination_headers(next_path, prev_path)
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|   end
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| 
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|   def pagination_params(core_params)
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|     params.slice(:limit).permit(:limit).merge(core_params)
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|   end
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| 
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|   def next_path
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|     api_v1_trends_links_url pagination_params(offset: offset_param + limit_param(DEFAULT_LINKS_LIMIT)) if records_continue?
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|   end
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| 
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|   def prev_path
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|     api_v1_trends_links_url pagination_params(offset: offset_param - limit_param(DEFAULT_LINKS_LIMIT)) if offset_param > limit_param(DEFAULT_LINKS_LIMIT)
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|   end
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| 
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|   def records_continue?
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|     @links.size == limit_param(DEFAULT_LINKS_LIMIT)
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|   end
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| 
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|   def offset_param
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|     params[:offset].to_i
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|   end
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| end
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