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require 'fileutils'
require 'yaml'
require 'fit4ruby'
require 'postrunner/Activity'
require 'postrunner/FlexiTable'
module PostRunner
class ActivitiesDB
include Fit4Ruby::Converters
def initialize(db_dir)
@db_dir = db_dir
@fit_dir = File.join(@db_dir, 'fit')
@archive_file = File.join(@db_dir, 'archive.yml')
create_directories
if Dir.exists?(@db_dir)
begin
if File.exists?(@archive_file)
@activities = YAML.load_file(@archive_file)
else
@activities = []
end
rescue
Log.fatal "Cannot load archive file '#{@archive_file}': #{$!}"
end
else
@activities = []
end
unless @activities.is_a?(Array)
Log.fatal "The archive file '#{@archive_file}' is corrupted"
end
end
def add(fit_file)
base_fit_file = File.basename(fit_file)
if @activities.find { |a| a.fit_file == base_fit_file }
Log.debug "Activity #{fit_file} is already included in the archive"
return false
end
if File.exists?(File.join(@fit_dir, base_fit_file))
Log.debug "Activity #{fit_file} has been deleted before"
return false
end
begin
fit_activity = Fit4Ruby.read(fit_file)
rescue Fit4Ruby::Error
Log.error "Cannot read #{fit_file}: #{$!}"
return false
end
begin
FileUtils.cp(fit_file, @fit_dir)
rescue
Log.fatal "Cannot copy #{fit_file} into #{@fit_dir}: #{$!}"
end
@activities << Activity.new(base_fit_file, fit_activity)
@activities.sort! do |a1, a2|
a2.start_time <=> a1.start_time
end
sync
Log.info "#{fit_file} successfully added to archive"
true
end
def delete(fit_file)
base_fit_file = File.basename(fit_file)
index = @activities.index { |a| a.fit_file == base_fit_file }
@activities.delete_at(index)
sync
end
def rename(fit_file, name)
base_fit_file = File.basename(fit_file)
@activities.each do |a|
if a.fit_file == base_fit_file
a.name = name
sync
break
end
end
end
def map_to_files(query)
case query
when /\A-?\d+$\z/
index = query.to_i
# The UI counts the activities from 1 to N. Ruby counts from 0 -
# (N-1).
index -= 1 if index > 0
if (a = @activities[index])
return [ File.join(@fit_dir, a.fit_file) ]
end
when /\A-?\d+--?\d+\z/
idxs = query.match(/(?<sidx>-?\d+)-(?<eidx>-?[0-9]+)/)
sidx = idxs['sidx'].to_i
eidx = idxs['eidx'].to_i
# The UI counts the activities from 1 to N. Ruby counts from 0 -
# (N-1).
sidx -= 1 if sidx > 0
eidx -= 1 if eidx > 0
unless (as = @activities[sidx..eidx]).empty?
files = []
as.each do |a|
files << File.join(@fit_dir, a.fit_file)
end
return files
end
else
Log.error "Invalid activity query: #{query}"
end
[]
end
def list
i = 0
t = FlexiTable.new
t.head
t.row(%w( Ref. Activity Start Distance Duration Pace ))
t.body
@activities.each do |a|
t.row([
i += 1,
a.name[0..19],
a.start_time.strftime("%a, %Y %b %d %H:%M"),
"%.2f" % (a.distance / 1000),
secsToHMS(a.duration),
speedToPace(a.avg_speed) ])
end
puts t.to_s
end
private
def sync
File.open(@archive_file, 'w') { |f| f.write(@activities.to_yaml) }
end
def create_directories
create_directory(@db_dir, 'data')
create_directory(@fit_dir, 'fit')
end
def create_directory(dir, name)
return if Dir.exists?(dir)
Log.info "Creating #{name} directory #{dir}"
begin
Dir.mkdir(dir)
rescue
Log.fatal "Cannot create #{name} directory #{dir}: #{$!}"
end
end
end
end
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