49 lines
1.6 KiB
Ruby
49 lines
1.6 KiB
Ruby
module Mobile
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module Entities
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class Attachment < Grape::Entity
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include Redmine::I18n
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include ActionView::Helpers::NumberHelper
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include ApplicationHelper
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def self.attachment_expose(field)
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expose field do |f,opt|
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if f.is_a?(Hash) && f.key?(field)
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f[field]
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elsif f.is_a?(::Attachment)
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if f.respond_to?(field)
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if field == :created_on
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format_time(f.send(field))
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else
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f.send(field)
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end
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else
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case field
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when :file_dir
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"attachments/download/" << f.send(:id).to_s << '/'
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when :attafile_size
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(number_to_human_size(f.filesize)).gsub("ytes", "").to_s
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when :coursename
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f.course.nil? ? "" : f.course.name
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end
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end
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end
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end
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end
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attachment_expose :id
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attachment_expose :filename
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attachment_expose :description
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attachment_expose :downloads
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attachment_expose :quotes
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attachment_expose :created_on
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attachment_expose :file_dir
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attachment_expose :attafile_size
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attachment_expose :coursename #所属班级名
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expose :current_user_is_teacher, if: lambda { |instance, options| options[:user] } do |instance, options|
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current_user = options[:user]
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current_user_is_teacher = false
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current_user_is_teacher = is_course_teacher(current_user,instance.course)
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current_user_is_teacher
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end
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end
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end
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end |