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62 lines
1.8 KiB
62 lines
1.8 KiB
class Cooperative::FilesController < Cooperative::BaseController
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before_action :convert_file!, :check_permission!, only: [:create]
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def create
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File.delete(file_path) if File.exist?(file_path) # 删除之前的文件
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Util.write_file(@file, file_path)
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render_ok(source_id: params[:source_id], source_type: params[:source_type].to_s, url: file_url + "?t=#{Random.rand}")
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rescue StandardError => ex
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logger_error(ex)
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render_error('上传失败')
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end
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private
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def convert_file!
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max_size = 10 * 1024 * 1024 # 10M
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if params[:file].class == ActionDispatch::Http::UploadedFile
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@file = params[:file]
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render_error('请上传文件') if @file.size.zero?
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render_error('文件大小超过限制') if @file.size > max_size
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else
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file = params[:file].to_s.strip
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return render_error('请上传正确的图片') if file.blank?
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@file = Util.convert_base64_image(file, max_size: max_size)
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end
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rescue Base64ImageConverter::Error => ex
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render_error(ex.message)
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end
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def check_permission!
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permission =
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case params[:source_type].to_s
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when '' then false
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when 'Shixun' then
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current_laboratory.laboratory_shixuns.exists?(ownership: true, shixun_id: params[:source_id])
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when 'Subject' then
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current_laboratory.laboratory_subjects.exists?(ownership: true, subject_id: params[:source_id])
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else true
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end
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return if permission
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render_forbidden
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end
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def file_path
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@_file_path ||= begin
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case params[:source_type].to_s
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when 'Shixun' then
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Util::FileManage.disk_filename('Shixun', params[:source_id])
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else
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Util::FileManage.disk_filename(params[:source_type].to_s, params[:source_id].to_s)
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end
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end
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end
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def file_url
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Util::FileManage.disk_file_url(params[:source_type].to_s, params[:source_id].to_s)
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end
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end |