summaryrefslogtreecommitdiff
path: root/lib/postrunner/ActivitiesDB.rb
blob: 17e1760bcc7af81e879f23309835635596af257a (plain)
1
2
3
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
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
70
71
72
73
74
75
76
77
78
79
80
81
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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
require 'fileutils'
require 'yaml'

require 'fit4ruby'
require 'postrunner/Activity'

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')

      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
        create_directories
        @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
      @activities.each do |a|
        i += 1
        puts "#{'%4d' % i} " +
             "#{'%-20s' % a.name[0..19]} " +
             "#{'%22s' % a.start_time.strftime("%a, %Y %b %d %H:%M")} " +
             "#{'%7.2f' % (a.distance / 1000)} " +
             "#{'%8s' % secsToHMS(a.duration)} " +
             "#{'%5s' % speedToPace(a.avg_speed)} "
      end
    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)
      Log.info "Creating #{name} directory #{dir}"
      begin
        Dir.mkdir(dir)
      rescue
        Log.fatal "Cannot create #{name} directory #{dir}: #{$!}"
      end
    end

  end

end