Class: PostRunner::FitFileStore

Inherits:
PEROBS::Object
  • Object
show all
Includes:
DirUtils
Defined in:
lib/postrunner/FitFileStore.rb

Overview

The FitFileStore stores all FIT file and provides access to the contained data.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from DirUtils

#create_directory

Constructor Details

#initialize(p) ⇒ FitFileStore

Create a new FIT file store.

Parameters:

  • p (PEROBS::Handle) —

    PEROBS handle



39
40
41
42
 
# File 'lib/postrunner/FitFileStore.rb', line 39

def initialize(p)
  super(p)
  restore
end

Instance Attribute Details

#store ⇒ Object (readonly)

Returns the value of attribute store.



35
36
37
 
# File 'lib/postrunner/FitFileStore.rb', line 35

def store
  @store
end

#views ⇒ Object (readonly)

Returns the value of attribute views.



35
36
37
 
# File 'lib/postrunner/FitFileStore.rb', line 35

def views
  @views
end

Class Method Details

.calc_md5_sum(file_name) ⇒ Object 



428
429
430
431
432
433
434
 
# File 'lib/postrunner/FitFileStore.rb', line 428

def FitFileStore::calc_md5_sum(file_name)
  begin
    Digest::MD5.hexdigest File.read(file_name)
  rescue IOError
    return 0
  end
end

Instance Method Details

#activities ⇒ Array of FFS_Activity

Returns List of stored activities.

Returns:



212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
 
# File 'lib/postrunner/FitFileStore.rb', line 212

def activities
  list = []
  @store['devices'].each do |id, device|
    list += device.activities
  end
  # Sort the activites by timestamps (newest to oldest). As the list is
  # composed from multiple devices, there is a small chance of identical
  # timestamps. To guarantee a stable list, we use the long UID of the
  # device in cases of identical timestamps.
  list.sort! do |a1, a2|
    a1.timestamp == a2.timestamp ?
      a1.device.long_uid <=> a2.device.long_uid :
      a2.timestamp <=> a1.timestamp
  end

  list
end

#add_fit_file(fit_file_name, fit_entity = nil, overwrite = false) ⇒ FFS_Activity or FFS_Monitoring

Add a file to the store.

Parameters:

  • fit_file_name (String) —

    Name of the FIT file

  • overwrite (TrueClass, FalseClass) (defaults to: false) —

    If true, an existing file will be replaced.

Returns:



82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
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
 
# File 'lib/postrunner/FitFileStore.rb', line 82

def add_fit_file(fit_file_name, fit_entity = nil, overwrite = false)
  # If the file hasn't been read yet, read it in as a
  # Fit4Ruby::Activity or Fit4Ruby::Monitoring entity.
  unless fit_entity
    return nil unless (fit_entity = read_fit_file(fit_file_name))
  end

  unless [ Fit4Ruby::Activity,
           Fit4Ruby::Monitoring_B,
           Fit4Ruby::Metrics ].include?(fit_entity.class)
    Log.fatal "Unsupported FIT file type #{fit_entity.class}"
  end

  # Generate a String that uniquely identifies the device that generated
  # the FIT file.
  id = extract_fit_file_id(fit_entity)
  long_uid = "#{id[:manufacturer]}-#{id[:product]}-#{id[:serial_number]}"

  # Make sure the device that created the FIT file is properly registered.
  device = register_device(long_uid)
  # Store the FIT entity with the device.
  entity = device.add_fit_file(fit_file_name, fit_entity, overwrite)

  # The FIT file might be already stored or invalid. In that case we
  # abort this method.
  return nil unless entity

  if fit_entity.is_a?(Fit4Ruby::Activity)
    @store['records'].scan_activity_for_records(entity)

    # Generate HTML file for this activity.
    entity.generate_html_report

    # The HTML activity views contain links to their predecessors and
    # successors. After inserting a new activity, we need to re-generate
    # these views as well.
    if (pred = predecessor(entity))
      pred.generate_html_report
    end
    if (succ = successor(entity))
      succ.generate_html_report
    end
    # And update the index pages
    generate_html_index_pages
  end

  Log.info "#{File.basename(fit_file_name)} " +
           'has been successfully added to archive'

  entity
end

#change_unit_system ⇒ Object

Perform the necessary report updates after the unit system has been changed.



181
182
183
184
185
186
187
188
189
 
# File 'lib/postrunner/FitFileStore.rb', line 181

def change_unit_system
  # If we have changed the unit system we need to re-generate all HTML
  # reports.
  activities.reverse.each do |activity|
    activity.generate_html_report
  end
  @store['records'].generate_html_reports
  generate_html_index_pages
end

#check ⇒ Object

This methods checks all stored FIT files for correctness, updates all indexes and re-generates all HTML reports.



320
321
322
323
324
325
326
327
328
329
330
 
# File 'lib/postrunner/FitFileStore.rb', line 320

def check
  records = @store['records']
  records.delete_all_records
  activities.reverse.each do |a|
    a.check
    records.scan_activity_for_records(a)
    a.purge_fit_file
  end
  records.generate_html_reports
  generate_html_index_pages
end

#daily_report(day) ⇒ Object 



372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
 
# File 'lib/postrunner/FitFileStore.rb', line 372

def daily_report(day)
  # 'day' specifies the current day. But we don't know what timezone the
  # watch was set to for a given date. The files are always named after
  # the moment of finishing the recording expressed as GMT time.
  # Each file contains information about the time zone for the specific
  # file. Recording is always flipped to a new file at midnight GMT but
  # there are usually multiple files per GMT day.
  day_as_time = Time.parse(day).gmtime
  # To get weekly intensity minutes we need 7 days of data prior to the
  # current date and 1 day after to include the following night. We add
  # at least 12 extra hours to accomodate time zone changes.
  monitoring_files = monitorings(day_as_time - 8 * 24 * 60 * 60,
                                 day_as_time + 36 * 60 * 60)

  puts MonitoringStatistics.new(monitoring_files).daily(day)
end

#delete_activity(activity) ⇒ Object

Delete an activity from the database. It will only delete the entry in the database. The original activity file will not be deleted from the file system.

Parameters:



138
139
140
141
142
143
144
145
146
147
148
149
150
151
 
# File 'lib/postrunner/FitFileStore.rb', line 138

def delete_activity(activity)
  pred = predecessor(activity)
  succ = successor(activity)

  activity.device.delete_activity(activity)

  # The HTML activity views contain links to their predecessors and
  # successors. After deleting an activity, we need to re-generate these
  # views.
  pred.generate_html_report if pred
  succ.generate_html_report if succ

  generate_html_index_pages
end

#devices ⇒ Array of FFS_Device

Returns List of registered devices.

Returns:

  • (Array of FFS_Device) —

    List of registered devices.



207
208
209
 
# File 'lib/postrunner/FitFileStore.rb', line 207

def devices
  @store['devices']
end

#find(query) ⇒ Object

Find a specific subset of the activities based on their index.

Parameters:

  • query (String) 


277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
 
# File 'lib/postrunner/FitFileStore.rb', line 277

def find(query)
  case query
  when /\A-?\d+$\z/
    index = query.to_i
    # The UI counts the activities from 1 to N. Ruby counts from 0 -
    # (N-1).
    if index <= 0
      Log.error 'Index must be larger than 0'
      return []
    end
    # The UI counts the activities from 1 to N. Ruby counts from 0 -
    # (N-1).
    if (a = activities[index - 1])
      return [ a ]
    end
  when /\A-?\d+--?\d+\z/
    idxs = query.match(/(?<sidx>-?\d+)-(?<eidx>-?[0-9]+)/)
    if (sidx = idxs['sidx'].to_i) <= 0
      Log.error 'Start index must be larger than 0'
      return []
    end
    if (eidx = idxs['eidx'].to_i) <= 0
      Log.error 'End index must be larger than 0'
      return []
    end
    if eidx < sidx
      Log.error 'Start index must be smaller than end index'
      return []
    end
    # The UI counts the activities from 1 to N. Ruby counts from 0 -
    # (N-1).
    unless (as = activities[(sidx - 1)..(eidx - 1)]).empty?
      return as
    end
  else
    Log.error "Invalid activity query: #{query}"
  end

  []
end

#fit_file_dir(fit_file_base_name, long_uid, type) ⇒ String

Determine the right directory for the given FIT file. The resulting path looks something like /home/user/.postrunner/devices/garmin-fenix3-1234/ activity/5A.

Parameters:

  • fit_file_base_name (String) —

    The base name of the fit file

  • long_uid (String) —

    the long UID of the device

  • type (String) —

    ‘activity’ or ‘monitoring’

Returns:

  • (String) —

    the full path name of the archived FIT file



197
198
199
200
201
202
 
# File 'lib/postrunner/FitFileStore.rb', line 197

def fit_file_dir(fit_file_base_name, long_uid, type)
  # The first letter of the FIT file specifies the creation year.
  # The second letter of the FIT file specifies the creation month.
  File.join(@store['config']['devices_dir'],
            long_uid, type, fit_file_base_name[0..1])
end

#handle_version_update ⇒ Object

Version upgrade logic.



72
73
74
 
# File 'lib/postrunner/FitFileStore.rb', line 72

def handle_version_update
  # Nothing here so far.
end

#list_activities ⇒ Object 



339
340
341
 
# File 'lib/postrunner/FitFileStore.rb', line 339

def list_activities
  puts ActivityListView.new(self).to_s
end

#monitorings(start_date, end_date) ⇒ Array of Monitoring_B

Read in all Monitoring_B FIT files that overlap with the given interval.

Parameters:

  • start_date (Time) —

    Interval start time

  • end_date (Time) —

    Interval end date

Returns:

  • (Array of Monitoring_B) —

    Content of Monitoring_B FIT files



234
235
236
237
238
239
240
241
242
243
244
 
# File 'lib/postrunner/FitFileStore.rb', line 234

def monitorings(start_date, end_date)
  monitorings = []
  @store['devices'].each do |id, device|
    monitorings += device.monitorings(start_date.gmtime, end_date.gmtime)
  end

  monitorings.reverse.map do |m|
    read_fit_file(File.join(fit_file_dir(m.fit_file_name, m.device.long_uid,
                                         'monitor'), m.fit_file_name))
  end
end

#monthly_report(day) ⇒ Object 



410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
 
# File 'lib/postrunner/FitFileStore.rb', line 410

def monthly_report(day)
  # 'day' specifies the current month. It must be in the form of
  # YYYY-MM-01. But we don't know what timezone the watch was set to for a
  # given date. The files are always named after the moment of finishing
  # the recording expressed as GMT time.  Each file contains information
  # about the time zone for the specific file. Recording is always flipped
  # to a new file at midnight GMT but there are usually multiple files per
  # GMT day.
  day_as_time = Time.parse(day).gmtime
  # To get weekly intensity minutes we need 7 days of data prior to the
  # current month start and 1 after to inclide the following night. We add
  # at least 12 extra hours to accomondate time zone changes.
  monitoring_files = monitorings(day_as_time - 8 * 24 * 60 * 60,
                                 day_as_time + 32 * 24 * 60 * 60)

  puts MonitoringStatistics.new(monitoring_files).monthly(day)
end

#predecessor(activity) ⇒ Object

Return the previous Activity before the provided activity. If none is found, return nil.



267
268
269
270
271
272
273
 
# File 'lib/postrunner/FitFileStore.rb', line 267

def predecessor(activity)
  all_activities = activities
  idx = all_activities.index(activity)
  return nil if idx.nil?
  # Activities indexes are reversed. The predecessor has a higher index.
  all_activities[idx + 1]
end

#ref_by_activity(activity) ⇒ Fixnum

Return the reference index of the given FFS_Activity.

Parameters:

Returns:

  • (Fixnum) —

    Reference index as used in the UI



250
251
252
253
254
 
# File 'lib/postrunner/FitFileStore.rb', line 250

def ref_by_activity(activity)
  return nil unless (idx = activities.index(activity))

  idx + 1
end

#rename_activity(activity, name) ⇒ Object

Rename the specified activity and update all HTML pages that contain the name.

Parameters:

  • activity (FFS_Activity) —

    Activity to rename

  • name (String) —

    New name



157
158
159
160
161
 
# File 'lib/postrunner/FitFileStore.rb', line 157

def rename_activity(activity, name)
  activity.set('name', name)
  generate_html_index_pages
  @store['records'].generate_html_reports if activity.has_records?
end

#restore ⇒ Object

Setup non-persistent variables.



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
 
# File 'lib/postrunner/FitFileStore.rb', line 45

def restore
  @data_dir = @store['config']['data_dir']
  # Ensure that we have an Array in the store to hold all known devices.
  @store['devices'] = @store.new(PEROBS::Hash) unless @store['devices']

  @devices_dir = File.join(@data_dir, 'devices')
  # It's generally not a good idea to store absolute file names in the
  # database. We'll make an exception here as this is the only way to
  # propagate this path to FFS_Activity or FFS_Monitoring objects. The
  # store entry is updated on each program run, so the DB can be moved
  # safely to another directory.
  @store['config']['devices_dir'] = @devices_dir
  create_directory(@devices_dir, 'devices')
  unless @store['fit_file_md5sums']
    @store['fit_file_md5sums'] = @store.new(PEROBS::Array)
  end

  # Define which View objects the HTML output will consist of. This
  # doesn't really belong in this class but for now it's the best place
  # to put it.
  @views = ViewButtons.new([
    NavButtonDef.new('activities.png', 'index.html'),
    NavButtonDef.new('record.png', "records-0.html")
  ])
end

#set_activity_attribute(activity, attribute, value) ⇒ Object

Set the specified attribute of the given activity to a new value.

Parameters:

  • activity (FFS_Activity) —

    Activity to rename

  • attribute (String) —

    name of the attribute to change

  • value (any) —

    new value of the attribute



167
168
169
170
171
172
173
174
175
176
177
 
# File 'lib/postrunner/FitFileStore.rb', line 167

def set_activity_attribute(activity, attribute, value)
  activity.set(attribute, value)
  case attribute
  when 'norecord', 'type'
    # If we have changed a norecord setting or an activity type, we need
    # to regenerate all reports and re-collect the record list since we
    # don't know which Activity needs to replace the changed one.
    check
  end
  generate_html_index_pages
end

#show_in_browser(html_file) ⇒ Object

Launch a web browser and show an HTML file.

Parameters:

  • html_file (String) —

    file name of the HTML file to show



345
346
347
348
349
350
351
352
 
# File 'lib/postrunner/FitFileStore.rb', line 345

def show_in_browser(html_file)
  cmd = "#{ENV['BROWSER'] || 'firefox'} \"#{html_file}\" &"

  unless system(cmd)
    Log.fatal "Failed to execute the following shell command: #{$cmd}\n" +
              "#{$!}"
  end
end

#show_list_in_browser ⇒ Object

Show the activity list in a web browser.



333
334
335
336
337
 
# File 'lib/postrunner/FitFileStore.rb', line 333

def show_list_in_browser
  generate_html_index_pages
  @store['records'].generate_html_reports
  show_in_browser(File.join(@store['config']['html_dir'], 'index.html'))
end

#show_monitoring(day) ⇒ Object 



354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
 
# File 'lib/postrunner/FitFileStore.rb', line 354

def show_monitoring(day)
  # 'day' specifies the current day. But we don't know what timezone the
  # watch was set to for a given date. The files are always named after
  # the moment of finishing the recording expressed as GMT time.
  # Each file contains information about the time zone for the specific
  # file. Recording is always flipped to a new file at midnight GMT but
  # there are usually multiple files per GMT day.
  day_as_time = Time.parse(day).gmtime
  # To get weekly intensity minutes we need 7 days of data prior to the
  # current date and 1 day after to include the following night. We add
  # at least 12 extra hours to accomodate time zone changes.
  monitoring_files = monitorings(day_as_time - 8 * 24 * 60 * 60,
                                 day_as_time + 36 * 60 * 60)

  show_in_browser(DailyMonitoringView.new(@store, day, monitoring_files).
                  file_name)
end

#successor(activity) ⇒ Object

Return the next Activity after the provided activity. Note that this has a lower index. If none is found, return nil.



258
259
260
261
262
263
 
# File 'lib/postrunner/FitFileStore.rb', line 258

def successor(activity)
  all_activities = activities
  idx = all_activities.index(activity)
  return nil if idx.nil? || idx == 0
  all_activities[idx - 1]
end

#weekly_report(day) ⇒ Object 



389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
 
# File 'lib/postrunner/FitFileStore.rb', line 389

def weekly_report(day)
  # 'day' specifies the current week. It must be in the form of
  # YYYY-MM-DD and references a day in the specific week. But we don't
  # know what timezone the watch was set to for a given date. The files
  # are always named after the moment of finishing the recording expressed
  # as GMT time.  Each file contains information about the time zone for
  # the specific file. Recording is always flipped to a new file at
  # midnight GMT but there are usually multiple files per
  # GMT day.
  day_as_time = Time.parse(day).gmtime
  start_day = day_as_time -
    (24 * 60 * 60 * (day_as_time.wday - @store['config']['week_start_day']))
  # To get weekly intensity minutes we need 7 days of data prior to the
  # current month start and 1 after to include the following night. We add
  # at least 12 extra hours to accomondate time zone changes.
  monitoring_files = monitorings(start_day - 8 * 24 * 60 * 60,
                                 start_day + 8 * 24 * 60 * 60)

  puts MonitoringStatistics.new(monitoring_files).weekly(start_day)
end