Class: TableImporter::RooSpreadsheetSource
- Inherits:
-
Source
- Object
- Source
- TableImporter::RooSpreadsheetSource
show all
- Defined in:
- lib/table_importer/roo_spreadsheet_source.rb
Constant Summary
Constants inherited
from Source
Source::SEPARATORS
Instance Method Summary
collapse
Methods inherited from Source
#clean_chunks, #default_headers, #get_column_separator, #get_record_separator, #get_sep_count, #get_type, #initialize, #sort_separators
Instance Method Details
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# File 'lib/table_importer/roo_spreadsheet_source.rb', line 35
def
= @headers_present ? @file.row(1) :
= (.count)
return unless @mapping
@mapping.each do |key, value|
if value.to_i.to_s == value.to_s
[value.to_i] = key.to_sym
end
end
end
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#get_chunks(chunk_size) ⇒ Object
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# File 'lib/table_importer/roo_spreadsheet_source.rb', line 47
def get_chunks(chunk_size)
@headers =
@last_row ||= @file.last_row
chunks = []
start_point = @headers_present ? 2 : 1
while chunks.count <= @last_row/chunk_size
chunks << get_lines(start_point, chunk_size)
start_point += chunk_size
end
chunks.last << Hash[@headers.zip(@file.row(@last_row))]
clean_chunks(chunks, @compulsory_headers)
end
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# File 'lib/table_importer/roo_spreadsheet_source.rb', line 5
def
@headers
end
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#get_lines(start, number_of_lines, preview_lines = false) ⇒ Object
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# File 'lib/table_importer/roo_spreadsheet_source.rb', line 24
def get_lines(start, number_of_lines, preview_lines = false)
@last_row ||= @file.last_row
finish = [@last_row, start + number_of_lines].min
mapped_lines = []
range = preview_lines ? (start..finish) : (start...finish)
range.each do |row_number|
mapped_lines << Hash[@headers.zip(@file.row(row_number))]
end
mapped_lines
end
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#get_preview_lines(start_point = 1, end_point = 10) ⇒ Object
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# File 'lib/table_importer/roo_spreadsheet_source.rb', line 9
def get_preview_lines(start_point = 1, end_point = 10)
begin
@headers = @mapping.present? && @mapping != false ? : @headers
start_point += 1 if @headers_present == true
lines = clean_chunks([get_lines(start_point, end_point, true)], @compulsory_headers)[0][:lines]
if lines.first.nil?
get_preview_lines(start_point+10, end_point+10)
else
lines[0..8]
end
rescue SystemStackError, NoMethodError
raise TableImporter::EmptyFileImportError.new
end
end
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