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57 lines
1.2 KiB
57 lines
1.2 KiB
# frozen_string_literal: true |
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class Api::V1::Trends::LinksController < Api::BaseController |
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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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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 = begin |
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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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end |
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def links_from_trends |
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Trends.links.query.allowed.in_locale(content_locale) |
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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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