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



144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
 
# File 'lib/cul_hydra/risearch_members.rb', line 144

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, verbose_output = false) ⇒ Object 



56
57
58
59
 
# File 'lib/cul_hydra/risearch_members.rb', line 56

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

#get_direct_member_pids(pid, verbose_output = false) ⇒ Object 



51
52
53
54
 
# File 'lib/cul_hydra/risearch_members.rb', line 51

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

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



32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
 
# File 'lib/cul_hydra/risearch_members.rb', line 32

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

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

  puts 'Performing query:' if verbose_output
  puts direct_member_query if verbose_output

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

  return search_response['results']
end

#get_pid_for_identifier(identifier) ⇒ Object

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



124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
 
# File 'lib/cul_hydra/risearch_members.rb', line 124

def get_pid_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 => '1',
    :stream => 'on'
  }))
  
  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 



87
88
89
90
 
# File 'lib/cul_hydra/risearch_members.rb', line 87

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 



82
83
84
85
 
# File 'lib/cul_hydra/risearch_members.rb', line 82

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



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

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 + '>'

  puts 'Performing query:' if verbose_output
  puts project_constituent_query if 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 



118
119
120
121
 
# File 'lib/cul_hydra/risearch_members.rb', line 118

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 



113
114
115
116
 
# File 'lib/cul_hydra/risearch_members.rb', line 113

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



94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
 
# File 'lib/cul_hydra/risearch_members.rb', line 94

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 + '>'

  puts 'Performing query:' if verbose_output
  puts project_constituent_query if 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
30
 
# 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

  puts 'Performing query:' if verbose_output
  puts recursive_member_query if 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