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54 lines
1.5 KiB
54 lines
1.5 KiB
class Admins::FilesController < Admins::BaseController
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before_action :convert_file!, 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)
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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 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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disk_filename('Shixun', params[:source_id])
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else
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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 disk_filename(type, id)
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File.join(storage_path, type.to_s, id.to_s)
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end
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def storage_path
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@_storage_path ||= File.join(Rails.root, 'public', 'images', 'avatars')
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end
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def file_url
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File.join('/images/avatars/', params[:source_type].to_s, params[:source_id].to_s)
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end
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end |