Class: GenericResource
Constant Summary
collapse
- IMAGE_EXT =
{"image/bmp" => 'bmp', "image/gif" => 'gif', "image/jpeg" => 'jpg', "image/png" => 'png', "image/tiff" => 'tif', "image/x-windows-bmp" => 'bmp'}
- WIDTH =
RDF::URI(ActiveFedora::Predicates.find_graph_predicate(:image_width))
- LENGTH =
RDF::URI(ActiveFedora::Predicates.find_graph_predicate(:image_length))
Cul::Hydra::Models::ImageResource::DEGREES_TO_EXIF_ORIENTATIONS, Cul::Hydra::Models::ImageResource::DJATOKA_BASE_URL, Cul::Hydra::Models::ImageResource::DJATOKA_THUMBNAIL_PARMS, Cul::Hydra::Models::ImageResource::EXIF_ORIENTATION_TO_DEGREES, Cul::Hydra::Models::ImageResource::EXTENT_PREDICATE, Cul::Hydra::Models::ImageResource::FORMAT_OF_PREDICATE, Cul::Hydra::Models::ImageResource::FORMAT_URI, Cul::Hydra::Models::ImageResource::LENGTH_PREDICATE, Cul::Hydra::Models::ImageResource::WIDTH_PREDICATE
Instance Method Summary
collapse
#fedora_ds_url, #fedora_method_url, #fedora_object_url, #fedora_risearch_url, #fedora_url, #pid_for_url
#rels_int
#length, #long, #orientation, #orientation=, #required_rotation_for_upright_display, #width
#cmodel_pid, #datastreams_in_fedora, #get_representative_generic_resource, #get_singular_rel, #has_desc?, #initialize, #label=, #rdf_type, #rdf_types!, #set_singular_rel, #set_size_labels, #update_datastream_attributes
Instance Method Details
#access_levels ⇒ Object
153
154
155
156
157
|
# File 'app/models/generic_resource.rb', line 153
def access_levels
acm = datastreams['accessControlMetadata']
return [] if acm.content.blank?
return acm.to_solr.fetch('access_control_levels_ssim', [])
end
|
#assert_content_model ⇒ Object
28
29
30
31
|
# File 'app/models/generic_resource.rb', line 28
def assert_content_model
super
add_relationship(:rdf_type, RDF::CUL.Resource.to_s)
end
|
#closed? ⇒ Boolean
149
150
151
|
# File 'app/models/generic_resource.rb', line 149
def closed?
return access_levels.map(&:downcase).include?('closed')
end
|
#index_type_label ⇒ Object
37
38
39
|
# File 'app/models/generic_resource.rb', line 37
def index_type_label
"FILE ASSET"
end
|
#linkable_resources ⇒ Object
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
# File 'app/models/generic_resource.rb', line 101
def linkable_resources
results = []
if (rels = rels_int.instance_variable_get :@solr_hash)
rels.each do |dsuri, props|
if dsuri =~ /\/content$/ or not props[FORMAT_OF_PREDICATE].blank?
dsid = dsuri.split('/')[-1]
res = datastream_as_resource(dsid, props.with_indifferent_access)
results << res
end
end
else
content_uri = RDF::URI("info:fedora/#{self.pid}/content")
dsuris = [content_uri]
results = []
datastreams.each do |k, v|
rels = rels_int.relationships(v, :format_of, content_uri)
dsuris << rels[0].subject unless rels.blank?
end
dsuris.each do |dsuri|
dsid = dsuri.to_s.split('/')[-1]
width_rel = rels_int.relationships(dsuri, :image_width)[0]
length_rel = rels_int.relationships(dsuri, :image_length)[0]
extent_rel = rels_int.relationships(dsuri, :extent)[0]
props = {extent: [], image_width: [], image_length: []}
props[:extent] << extent_rel.object.to_s unless extent_rel.blank?
props[:image_width] << width_rel.object.to_s unless width_rel.blank?
props[:image_length] << length_rel.object.to_s unless length_rel.blank?
results << datastream_as_resource(dsid, props)
end
end
results
end
|
#route_as ⇒ Object
33
34
35
|
# File 'app/models/generic_resource.rb', line 33
def route_as
"resource"
end
|
#service_datastream ⇒ Object
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
# File 'app/models/generic_resource.rb', line 159
def service_datastream
args = [:s, rels_int.to_predicate(:format_of), RDF::URI.new("#{internal_uri}/content")]
query = RDF::Query.new { |q| q << args }
candidates = query.execute(rels_int.graph).map(&:to_hash).map do |hash|
hash[:s]
end
args = [:s, rels_int.to_predicate(:rdf_type), RDF::URI.new("http://pcdm.org/use#ServiceFile")]
query = RDF::Query.new { |q| q << args }
candidates &= query.execute(rels_int.graph).map(&:to_hash).map do |hash|
hash[:s]
end
candidate_dsid = candidates.first && candidates.first.to_s.split('/')[-1]
return datastreams[candidate_dsid] if datastreams.keys.include? candidate_dsid
return nil
end
|
#thumbnail_info ⇒ Object
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
# File 'app/models/generic_resource.rb', line 85
def thumbnail_info
thumb = rels_int.relationships(datastreams['content'],:foaf_thumbnail).first
if thumb
t_dsid = thumb.object.to_s.split('/')[-1]
t_url = "#{ActiveFedora.fedora_config.credentials[:url]}/objects/#{pid}/datastreams/#{t_dsid}/content"
return {:url=>t_url,:mime=>datastreams[t_dsid].mimeType}
elsif self.zooming?
t_dsid = rels_int.relationships(dsuri, :foaf_zooming).first.object.to_s.split('/')[-1]
t_parms = DJATOKA_THUMBNAIL_PARMS.merge({"rft_id" => datastreams[t_dsid].dsLocation})
url = "#{DJATOKA_BASE_URL}?#{options.map { |key, value| "#{CGI::escape(key.to_s)}=#{CGI::escape(value.to_s)}"}.join("&") }"
{:url => url, :mime => t_parms["svc.format"]}
else
return {:asset => "cul_hydra/crystal/file.png",:mime=>'image/png'}
end
end
|
#to_solr(solr_doc = Hash.new, opts = {}) ⇒ Object
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
# File 'app/models/generic_resource.rb', line 41
def to_solr(solr_doc = Hash.new, opts={})
solr_doc = super
unless solr_doc["extent_ssim"] || self.datastreams["content"].nil?
if self.datastreams["content"].dsSize.to_i > 0
solr_doc["extent_ssim"] = [self.datastreams["content"].dsSize]
else
repo = ActiveFedora::Base.connection_for_pid(pid)
ds_parms = {pid: pid, dsid: "content", method: :head}
repo.datastream_dissemination(ds_parms) do |res|
solr_doc["extent_ssim"] = res['Content-Length']
end
end
end
if self.zooming?
fz = rels_int.relationships(datastreams['content'], :foaf_zooming).first.object.to_s.split('/')[-1]
ds = datastreams[fz]
unless ds.nil?
rft_id = ds.controlGroup == 'E' ? datastreams[fz].dsLocation : legacy_content_path(ds,'info:fedora/datastreams/')
solr_doc['rft_id_ss'] = rft_id
end
end
if (service_ds = self.service_datastream)
solr_doc['service_dslocation_ss'] = service_ds.dsLocation
end
solr_doc["fulltext_tesim"] = []
unless self.datastreams["fulltext"].nil?
solr_doc["fulltext_tesim"].concat(solr_doc["title_display_ssm"]) unless solr_doc["title_display_ssm"].nil? or solr_doc["title_display_ssm"].length == 0
utf8able = Cul::Hydra::Datastreams::EncodedTextDatastream.utf8able!(self.datastreams["fulltext"].content)
solr_doc["fulltext_tesim"] << utf8able.encode(Encoding::UTF_8)
end
relationships(:original_name).each do |original_name|
solr_doc["original_name_tesim"] ||= []
original_name = original_name.object.to_s.split('/').join(' ')
solr_doc["original_name_tesim"] << original_name.strip
end
solr_doc['access_control_levels_ssim'] ||= [Cul::Hydra::AccessLevels::ACCESS_LEVEL_PUBLIC]
solr_doc['access_control_permissions_bsi'] = !!solr_doc['access_control_permissions_bsi']
solr_doc
end
|
#with_ds_resource(ds_id, fedora_content_filesystem_mounted = false, &block) ⇒ Object
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
# File 'app/models/generic_resource.rb', line 176
def with_ds_resource(ds_id, fedora_content_filesystem_mounted=false, &block)
ds = self.datastreams[ds_id]
if ! ds.dsLocation.start_with?(self.pid) && fedora_content_filesystem_mounted
if ds.dsLocation =~ /^file:\//
dsLocation = ds.dsLocation.sub(/^file:\/+/,'/')
path = URI.unescape(dsLocation)
else
path = ds.dsLocation
end
yield(path)
else
internal_uri = "info:fedora/#{self.pid}/#{ds_id}"
file_basename = File.basename(ds.dsLocation.gsub(/^file:/,''))
file_extension = File.extname(file_basename)
temp_file = Tempfile.new([file_basename, file_extension])
begin
parts = internal_uri.split('/')
open(temp_file.path, 'wb') do |blob|
repo = ActiveFedora::Base.connection_for_pid(parts[1])
repo.datastream_dissemination({:dsid=>parts[2], :pid=>parts[1], :finished=>false}) do |res|
res.read_body do |seg|
blob << seg
end
end
end
yield(temp_file.path)
ensure
temp_file.unlink
end
end
end
|
#zooming? ⇒ Boolean
138
139
140
141
142
143
144
145
146
147
|
# File 'app/models/generic_resource.rb', line 138
def zooming?
content = datastreams['content']
return false unless content
zr = rels_int.relationships(content, :foaf_zooming)
if (zr && zr.first)
return !zr.first.blank?
else
false
end
end
|