Class: Project

Inherits:
ApplicationRecord show all
Defined in:
app/models/project.rb

Constant Summary collapse

APPROVED_STATUS =

Valid project status described in ADR 7 See ‘architecture-decisions/0007-valid-project-statuses.md`

"approved"
ACTIVE_STATUS = 
"active"

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.all_projects ⇒ Object 



144
145
146
 
# File 'app/models/project.rb', line 144

def self.all_projects
  Project.all
end

.default_storage_capacity ⇒ Object 



199
200
201
 
# File 'app/models/project.rb', line 199

def self.default_storage_capacity
  "0 GB"
end

.default_storage_unit ⇒ Object 



181
182
183
 
# File 'app/models/project.rb', line 181

def self.default_storage_unit
  "KB"
end

.default_storage_usage ⇒ Object 



185
186
187
 
# File 'app/models/project.rb', line 185

def self.default_storage_usage
  "0 #{default_storage_unit}"
end

.managed_projects(manager) ⇒ Object 



140
141
142
 
# File 'app/models/project.rb', line 140

def self.managed_projects(manager)
  Project.where("metadata_json->>'data_manager' = ?", manager)
end
 


136
137
138
 
# File 'app/models/project.rb', line 136

def self.sponsored_projects(sponsor)
  Project.where("metadata_json->>'data_sponsor' = ?", sponsor)
end

.users_projects(user) ⇒ Object 



125
126
127
128
129
130
131
132
133
134
 
# File 'app/models/project.rb', line 125

def self.users_projects(user)
  # See https://scalegrid.io/blog/using-jsonb-in-postgresql-how-to-effectively-store-index-json-data-in-postgresql/
  # for information on the @> operator
  uid = user.uid
  query_ro = '{"data_user_read_only":["' + uid + '"]}'
  query_rw = '{"data_user_read_write":["' + uid + '"]}'
  query = "(metadata_json @> ? :: jsonb) OR (metadata_json @> ? :: jsonb) OR (metadata_json->>'data_sponsor' = ?) OR (metadata_json->>'data_manager' = ?)"
  args = [query_ro, query_rw, uid, uid]
  Project.where( query, *args)
end

Instance Method Details

#activate(current_user:) ⇒ Object

Raises:

  • (StandardError) 


50
51
52
53
54
55
56
57
58
59
60
61
 
# File 'app/models/project.rb', line 50

def activate(current_user:)
  raise StandardError.new("Only approved projects can be activated") if self.status != Project::APPROVED_STATUS
  metadata_request = Mediaflux::AssetMetadataRequest.new(session_token: current_user.mediaflux_session, id: self.mediaflux_id)
  metadata_request.resolve
  raise metadata_request.response_error if metadata_request.error?
  if self.title == metadata_request.metadata[:title]
    self.metadata_model.status = Project::ACTIVE_STATUS
    self.save!
  else
    raise StandardError.new("Title mismatch: #{title} != #{metadata_request.title}")
  end
end

#approve!(current_user:) ⇒ Object

TODO: Remove this method github.com/pulibrary/tigerdata-app/issues/1707 has been completed



36
37
38
39
40
41
42
43
44
45
46
47
48
 
# File 'app/models/project.rb', line 36

def approve!(current_user:)
  # This code is duplicated with Request.approve() and it should
  # be removed. We keep it for now since we have way too many tests
  # wired to it already. The goal is that projects won't be approved,
  # instead Request are approved (and that process creates the project)
  create_project_operation = ProjectCreate.new
  result = create_project_operation.call(request: nil, approver: current_user, project: self)
  if result.success?
     self.mediaflux_id
  else
    raise ProjectCreate::ProjectCreateError, result.failure
  end
end

#asset_count(session_id:) ⇒ Object 



176
177
178
179
 
# File 'app/models/project.rb', line 176

def asset_count(session_id:)
  values = mediaflux_metadata(session_id:)
  values.fetch(:total_file_count, 0)
end

#create!(initial_metadata:, user:) ⇒ Object 



18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
 
# File 'app/models/project.rb', line 18

def create!(initial_metadata:, user:)
  self.metadata_model = initial_metadata
  if self.valid?
    if initial_metadata.project_id == ProjectMetadata::DOI_NOT_MINTED
      self.draft_doi(user: user)
      self.save!
      ProvenanceEvent.generate_submission_events(project: self, user: user)
    else
      self.save!
    end
    # return doi
    self.metadata_model.project_id
  else
    nil
  end
end

#created_by_user ⇒ Object 



154
155
156
 
# File 'app/models/project.rb', line 154

def created_by_user
  User.find_by(uid: metadata_model.created_by)
end

#departments ⇒ Object 



99
100
101
102
 
# File 'app/models/project.rb', line 99

def departments
  unsorted = metadata_model.departments || []
  unsorted.sort
end

#draft_doi(user: nil) ⇒ Object 



69
70
71
72
 
# File 'app/models/project.rb', line 69

def draft_doi(user: nil)
  puldatacite = PULDatacite.new
  self.metadata_model.project_id = puldatacite.draft_doi
end

#file_list(session_id:, size: 10) ⇒ Object

Fetches the first n files



220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
 
# File 'app/models/project.rb', line 220

def file_list(session_id:, size: 10)
  return { files: [] } if mediaflux_id.nil?

  query_req = Mediaflux::QueryRequest.new(session_token: session_id, collection: mediaflux_id, deep_search: true, aql_query: "type!='application/arc-asset-collection'")
  iterator_id = query_req.result

  iterator_req = Mediaflux::IteratorRequest.new(session_token: session_id, iterator: iterator_id, size: size)
  results = iterator_req.result

  # Destroy _after_ fetching the first set of results from iterator_req.
  # This call is required since it possible that we have read less assets than
  # what the collection has but we are done with the iterator.
  Mediaflux::IteratorDestroyRequest.new(session_token: session_id, iterator: iterator_id).resolve

  results
end

#file_list_to_file(session_id:, filename:) ⇒ Object

Fetches the entire file list to a file



238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
 
# File 'app/models/project.rb', line 238

def file_list_to_file(session_id:, filename:)
  return { files: [] } if mediaflux_id.nil?

  query_req = Mediaflux::QueryRequest.new(session_token: session_id, collection: mediaflux_id, deep_search: true,  aql_query: "type!='application/arc-asset-collection'")
  iterator_id = query_req.result

  start_time = Time.zone.now
  prefix = "file_list_to_file #{session_id[0..7]} #{self.metadata_model.project_id}"
  log_elapsed(start_time, prefix, "STARTED")

  File.open(filename, "w") do |file|
    page_number = 0
    # file header
    file.write("ID, PATH, NAME, COLLECTION?, LAST_MODIFIED, SIZE\r\n")
    loop do
      iterator_start_time = Time.zone.now
      page_number += 1
      iterator_req = Mediaflux::IteratorRequest.new(session_token: session_id, iterator: iterator_id, size: 1000)
      iterator_resp = iterator_req.result
      log_elapsed(iterator_start_time, prefix, "FETCHED page #{page_number} from iterator")
      lines = files_from_iterator(iterator_resp)
      file.write(lines.join("\r\n") + "\r\n")
      break if iterator_resp[:complete] || iterator_req.error?
    end
    log_elapsed(start_time, prefix, "ENDED")
  end

  # Destroy _after_ fetching the results from iterator_req
  # This call is technically not necessary since Mediaflux automatically deletes the iterator
  # once we have ran through it and by now we have. But it does not hurt either.
  Mediaflux::IteratorDestroyRequest.new(session_token: session_id, iterator: iterator_id).resolve
end

#in_mediaflux? ⇒ Boolean

Returns:

  • (Boolean) 


121
122
123
 
# File 'app/models/project.rb', line 121

def in_mediaflux?
  mediaflux_id.present?
end

#mediaflux_meta_xml(user:) ⇒ String

Returns XML representation of the <meta> element.

Returns:

  • (String) —

    XML representation of the <meta> element



163
164
165
166
 
# File 'app/models/project.rb', line 163

def mediaflux_meta_xml(user:)
  doc = ProjectMediaflux.document(project: self, user: user)
  doc.xpath("/response/reply/result/asset/meta").to_s
end

#mediaflux_metadata(session_id:) ⇒ Object 



168
169
170
171
172
173
174
 
# File 'app/models/project.rb', line 168

def mediaflux_metadata(session_id:)
  @mediaflux_metadata ||= begin
    accum_req = Mediaflux::AssetMetadataRequest.new(session_token: session_id, id: mediaflux_id)
    accum_req.metadata
  end
  @mediaflux_metadata
end

#metadata ⇒ Object

Ideally this method should return a ProjectMetadata object (like ‘metadata_model` does) but we’ll keep them both while we are refactoring the code so that we don’t break everything at once since ‘metadata` is used everywhere.



77
78
79
 
# File 'app/models/project.rb', line 77

def metadata
  @metadata_hash = (metadata_json || {}).with_indifferent_access
end

#metadata=(metadata_model) ⇒ Object 



89
90
91
92
93
 
# File 'app/models/project.rb', line 89

def metadata=(metadata_model)
  # Convert our metadata to a hash so it can be saved on our JSONB field
  metadata_hash = JSON.parse(metadata_model.to_json)
  self.metadata_json = metadata_hash
end

#metadata_model ⇒ Object 



81
82
83
 
# File 'app/models/project.rb', line 81

def metadata_model
  @metadata_model ||= ProjectMetadata.new_from_hash(self.metadata)
end

#metadata_model=(new_metadata_model) ⇒ Object 



85
86
87
 
# File 'app/models/project.rb', line 85

def metadata_model=(new_metadata_model)
  @metadata_model = new_metadata_model
end

#project_directory ⇒ Object 



104
105
106
 
# File 'app/models/project.rb', line 104

def project_directory
  metadata_model.project_directory || ""
end

#project_directory_parent_path ⇒ Object 



108
109
110
111
 
# File 'app/models/project.rb', line 108

def project_directory_parent_path
  # The tigerdata.project.create expectes every project to be under "tigerdata"
  Mediaflux::Connection.root
end

#project_directory_short ⇒ Object 



113
114
115
 
# File 'app/models/project.rb', line 113

def project_directory_short
  project_directory
end

#reload ⇒ Object 



63
64
65
66
67
 
# File 'app/models/project.rb', line 63

def reload
  super
  @metadata_model = ProjectMetadata.new_from_hash(self.metadata)
  self
end

#status ⇒ Object 



117
118
119
 
# File 'app/models/project.rb', line 117

def status
  metadata_model.status
end

#storage_capacity(session_id:) ⇒ Object 



203
204
205
206
207
208
209
210
211
 
# File 'app/models/project.rb', line 203

def storage_capacity(session_id:)
  values = mediaflux_metadata(session_id:)
  quota_value = values.fetch(:quota_allocation, '') #if quota does not exist, set value to an empty string
  if quota_value.blank?
    return self.class.default_storage_capacity
  else
    return quota_value
  end
end

#storage_capacity_raw(session_id:) ⇒ Object 



213
214
215
216
217
 
# File 'app/models/project.rb', line 213

def storage_capacity_raw(session_id:)
  values = mediaflux_metadata(session_id:)
  quota_value = values.fetch(:quota_allocation_raw, 0) #if quota does not exist, set value to 0
  quota_value
end

#storage_usage(session_id:) ⇒ Object 



189
190
191
192
 
# File 'app/models/project.rb', line 189

def storage_usage(session_id:)
  values = mediaflux_metadata(session_id:)
  values.fetch(:quota_used, self.class.default_storage_usage) # if the storage is empty use the default
end

#storage_usage_raw(session_id:) ⇒ Object 



194
195
196
197
 
# File 'app/models/project.rb', line 194

def storage_usage_raw(session_id:)
  values = mediaflux_metadata(session_id:)
  values.fetch(:quota_used_raw, 0) # if the storage raw is empty use zero
end

#title ⇒ Object 



95
96
97
 
# File 'app/models/project.rb', line 95

def title
  self.metadata_model.title
end

#to_xml ⇒ Object 



158
159
160
 
# File 'app/models/project.rb', line 158

def to_xml
  ProjectShowPresenter.new(self).to_xml
end

#user_has_access?(user:) ⇒ Boolean

Returns:

  • (Boolean) 


148
149
150
151
152
 
# File 'app/models/project.rb', line 148

def user_has_access?(user:)
  return true if user.eligible_sysadmin?
  metadata_model.data_sponsor == user.uid || metadata_model.data_manager == user.uid ||
  metadata_model.data_user_read_only.include?(user.uid) || metadata_model.data_user_read_write.include?(user.uid)
end