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145 lines
4.2 KiB
145 lines
4.2 KiB
class AvatarController < ApplicationController
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include ActionView::Helpers::NumberHelper
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#before_filter :set_cache_buster
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include AvatarHelper
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def upload
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# Make sure that API users get used to set this content type
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# as it won't trigger Rails' automatic parsing of the request body for parameters
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unless request.content_type == 'application/octet-stream'
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@source_type = params[:source_type]
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@source_id = params[:source_id]
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@temp_file = params[:avatar][:image]
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@image_file = @temp_file.original_filename
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else
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unless request.raw_post.nil?
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@source_type = params[:source_type]
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@source_id = params[:source_id]
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@temp_file = request.raw_post
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if @temp_file.size > 0
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if @temp_file.respond_to?(:original_filename)
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@image_file = @temp_file.original_filename
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#image_file.force_encoding("UTF-8") if filename.respond_to?(:force_encoding)
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else
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@image_file=params[:filename]
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end
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@temp_file = StringIO.new(@temp_file)
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end
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end
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end
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if @temp_file && (@temp_file.size > 0)
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if @temp_file.size > Setting.upload_avatar_max_size.to_i
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@status = 1
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@msg = l(:error_upload_avatar_to_large, :max_size => number_to_human_size(Setting.upload_avatar_max_size.to_i))
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elsif Trustie::Utils::Image.new(@temp_file).image?
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diskfile=disk_filename(@source_type,@source_id)
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@urlfile='/' << File.join("images","avatars",avatar_directory(@source_type),avatar_filename(@source_id,@image_file))
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# 用户头像上传时进行特别处理
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if @source_type == 'User'
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diskfile += "temp"
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@urlfile += "temp"
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end
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logger.info("Saving avatar '#{diskfile}' (#{@temp_file.size} bytes)")
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path = File.dirname(diskfile)
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unless File.directory?(path)
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FileUtils.mkdir_p(path)
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end
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md5 = Digest::MD5.new
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File.open(diskfile, "wb") do |f|
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if @temp_file.respond_to?(:read)
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@temp_file.rewind
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buffer = ""
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while (buffer = @temp_file.read(8192))
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f.write(buffer)
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md5.update(buffer)
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end
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else
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f.write(@temp_file)
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md5.update(@temp_file)
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end
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end
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Trustie::Utils::Image.new(diskfile,true).compress(300)
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@status = 0
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@msg = ''
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else
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@status = 2
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@msg = l(:not_valid_image_file)
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end
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end
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@temp_file = nil
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respond_to do |format|
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format.json{
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render :inline => {status: @status, message:@msg, url:"#{@urlfile.to_s}?#{Time.now.to_i}"}.to_json,:content_type => 'text/html'
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return
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}
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format.js
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format.api {
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if saved
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render :action => 'upload', :status => :created
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else
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render_validation_errors(@avatar)
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end
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}
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end
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end
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#add by zjc
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#删除图片
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def delete_image
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@source_type = params[:source_type]
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@source_id = params[:source_id]
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@source = nil #eval(@source_type).find(@source_id)
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c = Object.const_get(@source_type)
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if c.respond_to?(:find)
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@source = c.find(@source_id)
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end
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diskfile=disk_filename(@source_type,@source_id)
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unless diskfile.nil? || diskfile == ""
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path = File.dirname(diskfile)
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if File.directory?(path) && File.exist?(diskfile)
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# 用户头像进行特别处理
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if @source_type == 'User'
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diskfile1 = diskfile + 'temp'
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File.open(diskfile1, "wb") do |f|
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buffer = "DELETE"
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f.write(buffer)
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end
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else
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File.delete(diskfile)
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end
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end
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end
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rescue e do
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logger.info e.message
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end
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respond_to do |format|
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format.js
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format.api {
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if saved
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render :action => 'upload', :status => :created
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else
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render_validation_errors(@avatar)
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end
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}
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end
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end
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private
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def set_cache_buster
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response.headers["Cache-Control"] = "no-cache, no-store, max-age=0, must-revalidate"
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response.headers["Pragma"] = "no-cache"
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response.headers["Expires"] = "Fri, 01 Jan 1990 00:00:00 GMT"
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end
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end
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