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61 lines
1.4 KiB
61 lines
1.4 KiB
# frozen_string_literal: true
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class Api::V1::Trends::LinksController < Api::BaseController
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vary_by 'Authorization, Accept-Language'
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before_action :set_links
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after_action :insert_pagination_headers
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DEFAULT_LINKS_LIMIT = 10
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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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private
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def enabled?
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Setting.trends
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end
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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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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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def insert_pagination_headers
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set_pagination_headers(next_path, prev_path)
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end
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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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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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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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def records_continue?
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@links.size == limit_param(DEFAULT_LINKS_LIMIT)
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end
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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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