Module: Sinatra::AssetHelper

Includes:
Rack::Utils
Defined in:
lib/sras/helpers/asset.rb

Instance Method Summary collapse

Instance Method Details

#get_asset_data(asset_id) ⇒ Object 



8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
# File 'lib/sras/helpers/asset.rb', line 8

def get_asset_data(asset_id)
    @asset = Asset.get(asset_id)

    if @asset.enabled == false
        return
    end

    @asset_file = @asset.base_dir + '/' + @asset.sha256[0..2] + '/' + @asset.sha256[3..5] + '/' + @asset.sha256

    if File.exists?(@asset_file + '.gz')
        Zlib::GzipReader.open(@asset_file + '.gz') do |file|
            @asset_data = file.read
        end
    elsif File.exists?(@asset_file)
        File.open(@asset_file) do |file|
            @asset_data = file.read
        end
    end

    return @asset_data
end

#get_asset_type(request) ⇒ Object

usage:

asset_type = get_asset_type('image/tga')
asset_type = get_asset_type(12)



72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
 
# File 'lib/sras/helpers/asset.rb', line 72

def get_asset_type(request)

    # default            'application/octet-stream'
    asset_type = {
        'image/jp2'                             => 0,
        'application/ogg'                       => 1,
        'application/x-metaverse-callingcard'   => 2,
        'application/x-metaverse-landmark'      => 3,
        'application/x-metaverse-clothing'      => 5,
        'application/x-metaverse-primitive'     => 6,
        'application/x-metaverse-notecard'      => 7,
        'application/x-metaverse-folder'        => 8,
        'application/x-metaverse-lsl'           => 10,
        'application/x-metaverse-lso'           => 11,
        'image/tga'                             => 12,
        'application/x-metaverse-bodypart'      => 13,
        'audio/x-wav'                           => 17,
        'image/jpeg'                            => 19,
        'application/x-metaverse-animation'     => 20,
        'application/x-metaverse-gesture'       => 21,
        'application/x-metaverse-simstate'      => 22
    }

    if asset_type[request]
        response = asset_type[request]
    elsif asset_type.invert[request]
        response = asset_type.invert[request]
    end

    return response

end

#write_asset_data ⇒ Object 



30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
 
# File 'lib/sras/helpers/asset.rb', line 30

def write_asset_data()
    @asset_file_dir = @asset.base_dir + '/' + @asset.sha256[0..2] + '/' + @asset.sha256[3..5]
    @asset_file = @asset_file_dir + '/' + @asset.sha256

    # see if asset file with this hash already exists.  if it
    # does, then we don't need to overwrite it with identical
    # data...
    if File.exists?(@asset_file + '.gz') || File.exists?(@asset_file)
        return
    end 

    # mkdirs if necessary...
    FileUtils.mkpath @asset_file_dir

    # write the data to a file, gzip'd...
    Zlib::GzipWriter.open(@asset_file + '.gz') do |file|
        file.write @asset_data
        file.close
    end
end