72 lines
1.9 KiB
Ruby
72 lines
1.9 KiB
Ruby
class Projects::ListQuery < ApplicationQuery
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include CustomSortable
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attr_reader :params, :current_user_id
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sort_columns :updated_on, :created_on, :forked_count, :praises_count, default_by: :updated_on, default_direction: :desc
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def initialize(params, current_user_id=nil)
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@params = params
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@current_user_id = current_user_id
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end
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def call
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collection = Project.all
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collection = filter_projects(collection)
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sort = params[:sort_by] || "updated_on"
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sort_direction = params[:sort_direction] || "desc"
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collection = optimize_sorting(collection, sort)
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custom_sort(collection, sort, sort_direction)
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# scope = scope.reorder("projects.#{sort} #{sort_direction}")
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# scope
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end
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def filter_projects(collection)
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collection = by_pinned(collection)
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collection = by_search(collection)
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collection = by_project_type(collection)
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collection = by_project_category(collection)
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collection = by_project_language(collection)
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collection
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end
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def by_search(items)
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items.visible.by_name_or_identifier(params[:search])
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end
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def by_project_type(items)
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items.with_project_type(params[:project_type])
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end
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def by_project_category(items)
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items.with_project_category(params[:category_id])
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end
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def by_project_language(items)
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items.with_project_language(params[:language_id])
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end
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def by_pinned(items)
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(params[:pinned].present? && params[:category_id].present?) ? items.pinned : items
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end
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# 优化排序
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def optimize_sorting(relations, sort_by)
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if sort_by == "updated_on"
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relations.where("projects.updated_on>'2010-01-01'")
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elsif sort_by == "created_on"
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relations.where("projects.created_on>'2010-01-01'")
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elsif sort_by == "forked_count"
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relations.where("projects.forked_count>=0")
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elsif sort_by == "praises_count"
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relations.where("projects.praises_count>=0")
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else
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relations
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end
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end
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end
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