Module: Cul::Hydra::RisearchMembers::ClassMethods

Included in:
Cul::Hydra::RisearchMembers
Defined in:
lib/cul_hydra/risearch_members.rb

Instance Method Summary collapse

Instance Method Details

#get_all_pids_for_identifier(identifier) ⇒ Object

Returns the pids of ALL objects found with the given identifier



173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
 
# File 'lib/cul_hydra/risearch_members.rb', line 173

def get_all_pids_for_identifier(identifier)

  find_by_identifier_query = "select $pid from <#ri>
  where $pid <http://purl.org/dc/elements/1.1/identifier> $identifier
  and $identifier <mulgara:is> '#{identifier}'"

  search_response = JSON(Cul::Hydra::Fedora.repository.find_by_itql(find_by_identifier_query, {
    :type => 'tuples',
    :format => 'json',
    :limit => '',
    :stream => 'on'
  }))

  pids_to_return = []

  if search_response['results'].present?
    search_response['results'].each do |result|
      pids_to_return << result['pid'].gsub('info:fedora/', '')
    end
  end

  return pids_to_return
end

#get_direct_member_count(pid, flush_resource_index_before_query = false, verbose_output = false) ⇒ Object 



55
56
57
58
 
# File 'lib/cul_hydra/risearch_members.rb', line 55

def get_direct_member_count(pid, flush_resource_index_before_query=false, verbose_output=false)
  count = get_direct_member_results(pid,flush_resource_index_before_query,verbose_output,'count/json')
  return count.blank? ? 0 : count[0]['count'].to_i
end

#get_direct_member_pids(pid, flush_resource_index_before_query = false, verbose_output = false) ⇒ Object 



50
51
52
53
 
# File 'lib/cul_hydra/risearch_members.rb', line 50

def get_direct_member_pids(pid, flush_resource_index_before_query=false, verbose_output=false)
  unique_pids = get_direct_member_results(pid,flush_resource_index_before_query,verbose_output,'json')
  unique_pids.map{|result| result['pid'].gsub('info:fedora/', '') }.uniq
end

#get_direct_member_results(pid, flush_resource_index_before_query = false, verbose_output = false, format = 'json') ⇒ Object 



31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
 
# File 'lib/cul_hydra/risearch_members.rb', line 31

def get_direct_member_results(pid, flush_resource_index_before_query=false, verbose_output=false, format='json')

  direct_member_query =
    'select $pid from <#ri>
    where $pid <http://purl.oclc.org/NET/CUL/memberOf> <fedora:' + pid + '>'

  log_risearch_query(direct_member_query, verbose_output)

  search_response = JSON(Cul::Hydra::Fedora.repository.find_by_itql(direct_member_query, {
    :type => 'tuples',
    :format => format,
    :limit => '',
    :stream => 'on',
    :flush => flush_resource_index_before_query.to_s
  }))

  return search_response['results']
end

#get_direct_members_with_datastream_pids(pid, dsid, flush_resource_index_before_query = false, verbose_output = false) ⇒ Object 



86
87
88
89
 
# File 'lib/cul_hydra/risearch_members.rb', line 86

def get_direct_members_with_datastream_pids(pid, dsid, flush_resource_index_before_query=false, verbose_output=false)
  unique_pids = get_direct_members_with_datastream_results(pid, dsid, flush_resource_index_before_query, verbose_output, 'json')
  unique_pids.map{|result| result['pid'].gsub('info:fedora/', '') }.uniq
end

#get_direct_members_with_datastream_results(pid, dsid, flush_resource_index_before_query = false, verbose_output = false, format = 'json') ⇒ Object 



60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
 
# File 'lib/cul_hydra/risearch_members.rb', line 60

def get_direct_members_with_datastream_results(pid, dsid, flush_resource_index_before_query=false, verbose_output=false, format='json')
  # Note: The query we're using below is a faster version of this query:
  #   "select $pid from <#ri>
  #   where $pid <http://purl.oclc.org/NET/CUL/memberOf> <fedora:#{pid}>
  #   and $pid <fedora-view:disseminates> $ds
  #   and $ds <fedora-view:disseminationType> <info:fedora/*/#{dsid}>"

  direct_members_with_ds_query = "select $pid
    count( select $ds from <#ri> where  $pid <fedora-view:disseminates> $ds and $ds <fedora-view:disseminationType> <info:fedora/*/#{dsid}>)
    from <#ri>
    where $pid <http://purl.oclc.org/NET/CUL/memberOf> <info:fedora/#{pid}>
    having $k0 <http://mulgara.org/mulgara#occursMoreThan> '0.0'^^<http://www.w3.org/2001/XMLSchema#double>;"

    log_risearch_query(direct_members_with_ds_query, verbose_output)

    search_response = JSON.parse(Cul::Hydra::Fedora.repository.find_by_itql(direct_members_with_ds_query, {
      :type => 'tuples',
      :format => format,
      :limit => '',
      :stream => 'on',
      :flush => flush_resource_index_before_query.to_s
    }))

    return search_response['results']
end

#get_pid_for_identifier(identifier, flush_resource_index_before_query = false) ⇒ Object

Returns the pid of the first object found with the given identifier



152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
 
# File 'lib/cul_hydra/risearch_members.rb', line 152

def get_pid_for_identifier(identifier, flush_resource_index_before_query=false)
  find_by_identifier_query = "select $pid from <#ri>
  where $pid <http://purl.org/dc/elements/1.1/identifier> $identifier
  and $identifier <mulgara:is> '#{identifier}'"

  search_response = JSON(Cul::Hydra::Fedora.repository.find_by_itql(find_by_identifier_query, {
    :type => 'tuples',
    :format => 'json',
    :limit => '1',
    :stream => 'on',
    :flush => flush_resource_index_before_query.to_s
  }))

  if search_response['results'].present?
    return search_response['results'].first['pid'].gsub('info:fedora/', '')
  else
    return nil
  end
end

#get_project_constituent_count(pid, verbose_output = false) ⇒ Object 



116
117
118
119
 
# File 'lib/cul_hydra/risearch_members.rb', line 116

def get_project_constituent_count(pid, verbose_output=false)
  count = get_project_constituent_results(pid,verbose_output,'count/json')
  return count.blank? ? 0 : count[0]['count'].to_i
end

#get_project_constituent_pids(pid, verbose_output = false) ⇒ Object 



111
112
113
114
 
# File 'lib/cul_hydra/risearch_members.rb', line 111

def get_project_constituent_pids(pid, verbose_output=false)
  unique_pids = get_project_constituent_results(pid,verbose_output,'json')
  unique_pids.map{|result| result['pid'].gsub('info:fedora/', '') }.uniq
end

#get_project_constituent_results(pid, verbose_output = false, format = 'json') ⇒ Object

Project constituents



93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
 
# File 'lib/cul_hydra/risearch_members.rb', line 93

def get_project_constituent_results(pid, verbose_output=false, format='json')

  project_constituent_query =
    'select $pid from <#ri>
    where $pid <info:fedora/fedora-system:def/relations-external#isConstituentOf> <fedora:' + pid + '>'

  log_risearch_query(project_constituent_query, verbose_output)

  search_response = JSON(Cul::Hydra::Fedora.repository.find_by_itql(project_constituent_query, {
    :type => 'tuples',
    :format => format,
    :limit => '',
    :stream => 'on'
  }))

  return search_response['results']
end

#get_publish_target_member_count(pid, verbose_output = false) ⇒ Object 



146
147
148
149
 
# File 'lib/cul_hydra/risearch_members.rb', line 146

def get_publish_target_member_count(pid, verbose_output=false)
  count = get_publish_target_member_results(pid,verbose_output,'count/json')
  return count.blank? ? 0 : count[0]['count'].to_i
end

#get_publish_target_member_pids(pid, verbose_output = false) ⇒ Object 



141
142
143
144
 
# File 'lib/cul_hydra/risearch_members.rb', line 141

def get_publish_target_member_pids(pid, verbose_output=false)
  unique_pids = get_publish_target_member_results(pid,verbose_output,'json')
  unique_pids.map{|result| result['pid'].gsub('info:fedora/', '') }.uniq
end

#get_publish_target_member_results(pid, verbose_output = false, format = 'json') ⇒ Object

Publish target members



123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
 
# File 'lib/cul_hydra/risearch_members.rb', line 123

def get_publish_target_member_results(pid, verbose_output=false, format='json')

  project_constituent_query =
    'select $pid from <#ri>
    where $pid <http://purl.org/dc/terms/publisher> <fedora:' + pid + '>'

  log_risearch_query(project_constituent_query, verbose_output)

  search_response = JSON(Cul::Hydra::Fedora.repository.find_by_itql(project_constituent_query, {
    :type => 'tuples',
    :format => format,
    :limit => '',
    :stream => 'on'
  }))

  return search_response['results']
end

#get_recursive_member_pids(pid, verbose_output = false, cmodel_type = 'all') ⇒ Object 



4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
# File 'lib/cul_hydra/risearch_members.rb', line 4

def get_recursive_member_pids(pid, verbose_output=false, cmodel_type='all')

  recursive_member_query =
    'select $child $parent from <#ri>
    where
    walk($child <http://purl.oclc.org/NET/CUL/memberOf> <fedora:' + pid + '> and $child <http://purl.oclc.org/NET/CUL/memberOf> $parent)'

  unless cmodel_type == 'all'
    recursive_member_query += ' and $child <fedora-model:hasModel> $cmodel'
    recursive_member_query += ' and $cmodel <mulgara:is> <info:fedora/ldpd:' + cmodel_type + '>'
  end

  log_risearch_query(recursive_member_query, verbose_output)

  search_response = JSON(Cul::Hydra::Fedora.repository.find_by_itql(recursive_member_query, {
    :type => 'tuples',
    :format => 'json',
    :limit => '',
    :stream => 'on'
  }))

  unique_pids = search_response['results'].map{|result| result['child'].gsub('info:fedora/', '') }.uniq

  return unique_pids

end

#log_risearch_query(query, verbose_output = false) ⇒ Object 



197
198
199
 
# File 'lib/cul_hydra/risearch_members.rb', line 197

def log_risearch_query(query, verbose_output = false)
  puts "Performing query:\n#{query}" if verbose_output
end