Module: Kernel

Includes:
PryHelper::Concerns::GlobalDataDefinition
Defined in:
lib/pry-helper/ext/kernel.rb,
lib/pry-helper/commands/table.rb,
lib/pry-helper/commands/models.rb

Constant Summary collapse

CSV_BOM = 
"\xef\xbb\xbf"

Instance Method Summary collapse

Instance Method Details

#generate_csv(filename, **options, &block) ⇒ Object 



70
71
72
73
74
75
76
77
78
79
80
81
 
# File 'lib/pry-helper/ext/kernel.rb', line 70

def generate_csv(filename, **options, &block)
  opts = {
    col_sep: "\t",
    row_sep: "\r\n"
  }
  opts.merge!(options.except(:encoding))
  encoding = options[:encoding] || 'UTF-16LE'
  File.open(File.expand_path(filename), "w:#{encoding}") do |file|
    file.write(CSV_BOM)
    file.write CSV.generate(**opts, &block)
  end
end

#generate_excel(filename) ⇒ Object 



94
95
96
97
98
99
 
# File 'lib/pry-helper/ext/kernel.rb', line 94

def generate_excel(filename)
  Axlsx::Package.new do |package|
    yield(package.workbook)
    package.serialize(File.expand_path(filename))
  end
end

#models ⇒ Object 



37
38
39
 
# File 'lib/pry-helper/commands/models.rb', line 37

def models
  PryHelper::Commands::Models::models
end

#parse_csv(filename, **options) ⇒ Object 



83
84
85
86
87
88
89
90
91
92
 
# File 'lib/pry-helper/ext/kernel.rb', line 83

def parse_csv(filename, **options)
  encoding = options[:encoding] || 'UTF-16'
  opts = {
    headers: false,
    col_sep: "\t",
    row_sep: "\r\n"
  }
  opts.merge!(options.except(:encoding))
  CSV.parse(IO.read(File.expand_path(filename), encoding: encoding, binmode: true).encode('UTF-8'), **opts).to_a
end

#parse_excel(filename) ⇒ Object 



101
102
103
104
105
106
107
108
109
 
# File 'lib/pry-helper/ext/kernel.rb', line 101

def parse_excel(filename)
  xlsx = Roo::Excelx.new(File.expand_path(filename))
  xlsx.sheets.each_with_object({}) do |sheet_name, result|
    begin
      result[sheet_name] = xlsx.sheet(sheet_name).to_a
    rescue
    end
  end
end

#print_tables(format = :md) ⇒ Object 



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
 
# File 'lib/pry-helper/ext/kernel.rb', line 11

def print_tables(format = :md)

  tables = ActiveRecord::Base.connection.tables.map do |table_name|
    {
      table: table_name,
      table_comment: ActiveRecord::Base.connection.table_comment(table_name) || '',
      columns: ::ActiveRecord::Base.connection.columns(table_name)
    }
  end

  outputs = tables.map do |table|
    table_name = table[:table]
    table_comment = table[:table_comment]
    case format
    when :md
      "# #{table_name} #{table_comment}\n\n" +
        Terminal::Table.new { |t|
        t.headings = ['PK', 'Name', 'SQL Type', 'Limit', 'Precision', 'Scale', 'Default', 'Nullable', 'Comment']
        t.rows = table[:columns].map { |column|
          pk = if [::ActiveRecord::Base.connection.primary_key(table_name)].flatten.include?(column)
                 'Y'
               else
                 ''
               end
          [pk, "`#{column.name}`", column.sql_type, column.sql_type_metadata.limit || '', column.sql_type_metadata.precision || '',
           column.sql_type_metadata.scale || '', column.default || '', column.null, column.comment || '']
        }
        t.style = {
          border_top: false,
          border_bottom: false,
          border_i: '|'
        }
      }.to_s.lines.map { |l| '  ' + l }.join
    when :org
      "* #{table_name} #{table_comment}\n\n" +
        Terminal::Table.new { |t|
        t.headings = ['PK', 'Name', 'SQL Type', 'Limit', 'Precision', 'Scale', 'Default', 'Nullable', 'Comment']
        t.rows = table[:columns].map { |column|
          pk = if [::ActiveRecord::Base.connection.primary_key(table_name)].flatten.include?(column)
                 'Y'
               else
                 ''
               end
          [pk, "=#{column.name}=", column.sql_type, column.sql_type_metadata.limit || '', column.sql_type_metadata.precision || '',
           column.sql_type_metadata.scale || '', column.default || '', column.null, column.comment || '']
        }
        t.style = {
          border_top: false,
          border_bottom: false,
        }
      }.to_s.lines.map { |l| '  ' + l.gsub(/^\+|\+$/, '|') }.join
    when :sql
      "-- Table: #{table_name}\n\n" + ActiveRecord::Base.connection.exec_query("show create table `#{table_name}`").rows.last.last + ';'
    end
  end

  outputs.each { |out| puts out; puts }
end

#sql(sql) ⇒ Object 



7
8
9
 
# File 'lib/pry-helper/ext/kernel.rb', line 7

def sql(sql)
  ActiveRecord::Base.connection.exec_query(sql)
end

#table(name) ⇒ Object 



52
53
54
 
# File 'lib/pry-helper/commands/table.rb', line 52

def table(name)
  PryHelper::Commands::Table::table_info(PryHelper::Commands::Table::get_table_name(name))
end

#tables ⇒ Object 



41
42
43
 
# File 'lib/pry-helper/commands/models.rb', line 41

def tables
  models
end