Class: BigResources::FileScanUtil

Inherits:
Object
  • Object
show all
Defined in:
lib/big_resources/util/image/file_scan_util.rb

Class Method Summary collapse

Class Method Details

.detect_file_by_name(dic, file_type, last_path, result_dic) ⇒ Object

分析同名文件



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# File 'lib/big_resources/util/image/file_scan_util.rb', line 12

def self.detect_file_by_name(dic, file_type, last_path, result_dic)
  current_path = get_current_path(last_path,dic["name"])
  current_path = last_path if last_path == dic["name"]
  if TreeHierarchyType.type(dic["type"]) == DIRECTORY
    dic["contents"].collect do | contents_dic |
      detect_file_by_name(contents_dic, file_type, current_path, result_dic)
    end
  elsif TreeHierarchyType.type(dic["type"]) == FILE
    if dic["contents"] == nil
      if  dic["name"] != nil && dic["name"].include?(file_type)
        if result_dic[dic["name"]] == nil
          result_dic[dic["name"]] = {:count => 1, :path => [current_path]}
        else
          result_dic[dic["name"]][:count] += 1
          result_dic[dic["name"]][:path] << current_path
        end
      end

    else
      dic["contents"].collect do | contents_dic |
        detect_file_by_name(contents_dic, file_type, current_path, result_dic)
      end
    end
  end
end

.detect_file_by_size(dic, file_type, last_path, result_dic) ⇒ Object

分析图片文件大小



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# File 'lib/big_resources/util/image/file_scan_util.rb', line 39

def self.detect_file_by_size(dic, file_type, last_path, result_dic)
  current_path = get_current_path(last_path,dic["name"])
  current_path = last_path if last_path == dic["name"]
  if TreeHierarchyType.type(dic["type"]) == DIRECTORY
    dic["contents"].collect do | contents_dic |
      detect_file_by_size(contents_dic, file_type, current_path, result_dic)
    end
  elsif TreeHierarchyType.type(dic["type"]) == FILE
    if dic["contents"] == nil
      if  dic["name"] != nil && dic["name"].include?(file_type)
        file_size = File.size(current_path)
        if file_size && result_dic["#{file_size} kb"] == nil
          result_dic["#{file_size} kb"] = {:count => 1, :path => [current_path]}
        else
          result_dic["#{file_size} kb"][:count] += 1
          result_dic["#{file_size} kb"][:path] << current_path
        end
      end

    else
      dic["contents"].collect do | contents_dic |
        detect_file_by_size(contents_dic, file_type, current_path, result_dic)
      end
    end
  end
end

.file_with_type(name, type) ⇒ Object 



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# File 'lib/big_resources/util/image/file_scan_util.rb', line 7

def self.file_with_type(name, type)
  PictureFileType.is_type(name, type)
end

.get_current_path(last_path, file_name) ⇒ Object 



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# File 'lib/big_resources/util/image/file_scan_util.rb', line 110

def self.get_current_path(last_path,file_name)
  "#{last_path}/#{file_name}"
end

.get_duplicate_name_file(dic) ⇒ Object 



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# File 'lib/big_resources/util/image/file_scan_util.rb', line 66

def self.get_duplicate_name_file(dic)
  duplicate = []
  dic.keys.select do | file_name_key |
    if dic[file_name_key][:count] > 1
      duplicate << {"file_name" => file_name_key,
                        "count" => dic[file_name_key][:count],
                        "path" => dic[file_name_key][:path]}
    end
  end
  duplicate
end

.get_same_file(dic) ⇒ Object

根据字节大小相等 分出相同数据



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# File 'lib/big_resources/util/image/file_scan_util.rb', line 79

def self.get_same_file(dic)
  duplicate = []
  dic.keys.select do | file_size |
    patterns = []
    if dic[file_size][:count] > 1
      dic[file_size][:path].each do | file_path |
        if patterns.count == 0
          patterns << [file_path]
          next
        end

        is_same = false
        patterns.each do | a_pattern |
            is_same = DifferAnalyzeUtil.image_diff_analyze(file_path,a_pattern.first)
            if is_same
              a_pattern << file_path
              break
            end
        end
        patterns << [file_path] unless is_same
      end
    end
    duplicate << {:file_size => file_size,
                  :count => dic[file_size][:count],
                  :path => dic[file_size][:path],
                  :pattern => patterns
                 }
  end
  duplicate
end