Class: SimpleReport::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/simple_report/base.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Base

Returns a new instance of Base.



3
4
5
 
# File 'lib/simple_report/base.rb', line 3

def initialize
  @sheets = []
end

Instance Method Details

#add_format(name, format) ⇒ Object 



7
8
9
10
 
# File 'lib/simple_report/base.rb', line 7

def add_format(name, format)
  @formats ||= {}
  @formats[name] = format
end

#add_formats ⇒ Object 



62
63
64
65
66
67
68
69
70
71
72
73
74
 
# File 'lib/simple_report/base.rb', line 62

def add_formats
  money = @workbook.add_format
  money.set_num_format('$0.00')
  add_format :money, money

  heading = @workbook.add_format
  heading.set_bold
  add_format :heading, heading

  percent = @workbook.add_format
  percent.set_num_format('0.0%')
  add_format :percent, percent
end

#add_sheet(name, data) {|sheet| ... } ⇒ Object

Yields:

  • (sheet) 


19
20
21
22
23
24
 
# File 'lib/simple_report/base.rb', line 19

def add_sheet(name, data)
  sheet = Sheet.new(name, data)
  yield sheet
  @sheets ||= []
  @sheets << sheet
end

#build_report ⇒ Object

Raises:

  • (NotImplementedError) 


76
77
78
 
# File 'lib/simple_report/base.rb', line 76

def build_report
  raise NotImplementedError.new('<report>#build_report not implemented')
end

#find_format(format) ⇒ Object 



58
59
60
 
# File 'lib/simple_report/base.rb', line 58

def find_format(format)
  @formats[format]
end

#generate_report ⇒ Object 



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
 
# File 'lib/simple_report/base.rb', line 26

def generate_report
  @file = Tempfile.new('simple_report')
  @workbook = WriteXLSX.new(@file.path)
  add_formats
  @sheets.each do |sheet|
    output_sheet = @workbook.add_worksheet(sheet.name)
    sheet.fields.each_with_index do |f, index|
      output_sheet.set_column(index, index, f.width)
      output_sheet.write(0, index, f.name, @formats[:heading])
    end
    sheet.collection.each_with_index do |ic, record_num|
      sheet.fields.each_with_index do |field, column|
        if field.field
          value = ic.send(field.field)
        elsif field.value
          value = field.value
        elsif field.block
          value = field.block.call(ic, record_num + 2)
        end
        case field.force
        when nil
          output_sheet.write(record_num + 1, column, value, find_format(field.format))
        when :string
          output_sheet.write_string(record_num + 1, column, value, find_format(field.format))
        else
          raise "invalid force param"
        end
      end
    end
  end
end

#to_xlsx(*params) ⇒ Object 



12
13
14
15
16
17
 
# File 'lib/simple_report/base.rb', line 12

def to_xlsx(*params)
  build_report(*params)
  generate_report
  @workbook.close
  File.read @file.path
end