Class: EnrollmentDataReader

Inherits:
Object
  • Object
show all
Defined in:
lib/udise_school_report_reader/enrollment_data_reader.rb

Constant Summary collapse

ALL_CATEGORIES = 
[
  SOCIAL_CATEGORIES = [
    { key: 'gen', label: 'Gen' },
    { key: 'sc', label: 'SC' },
    { key: 'st', label: 'ST' },
    { key: 'obc', label: 'OBC' }
  ].freeze,
  RELIGION_CATEGORIES = [
    { key: 'musl', label: 'Musl' },
    { key: 'chris', label: 'Chris' },
    { key: 'sikh', label: 'Sikh' },
    { key: 'budd', label: 'Budd' },
    { key: 'parsi', label: 'Parsi' },
    { key: 'jain', label: 'Jain' },
    { key: 'others', label: 'Others' }
  ].freeze,
  OTHER_CATEGORIES = [
    { key: 'aadh', label: 'Aadh' },
    { key: 'bpl', label: 'BPL' },
    { key: 'rept', label: 'Rept' },
    { key: 'cwsn', label: 'CWSN' }
  ].freeze,
  AGE_CATEGORIES = (3..22).map do |age|
    { key: "age_#{age}", label: age == 3 ? '>3' : age.to_s }
  end.freeze,
].flatten.freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(csv_path) ⇒ EnrollmentDataReader

Returns a new instance of EnrollmentDataReader.



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# File 'lib/udise_school_report_reader/enrollment_data_reader.rb', line 31

def initialize(csv_path)
  @csv_path = csv_path
  @x_cutoff = 0
  @category_y_coords = {}
end

Class Method Details

.read(csv_path) ⇒ Object 



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# File 'lib/udise_school_report_reader/enrollment_data_reader.rb', line 29

def self.read(csv_path) = new(csv_path).read

Instance Method Details

#read ⇒ Object 



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# File 'lib/udise_school_report_reader/enrollment_data_reader.rb', line 37

def read
  # Initialize arrays for different row types
  grade_rows = []
  bg_rows = []
  category_rows = {}
  
  ALL_CATEGORIES.each do |category|
    category_rows[category[:key]] = []
  end

  # First pass to collect y-coordinates for categories
  CSV.foreach(@csv_path, headers: true) do |row|
    if row['page'] == '2' && (row['rect_x'].to_f - 27.0).abs < 5.0
      ALL_CATEGORIES.each do |category|
        if row['text'].downcase == category[:label].downcase
          @category_y_coords[category[:key]] = row['rect_y'].to_f
        end
      end
    end
  end

  CSV.foreach(@csv_path, headers: true) do |row|
    if row['page'] == '2'
      if row['text'] == "Total" && row['rect_y'].to_f == 778.0
        @x_cutoff = row['rect_x'].to_f
      end

      if ['Pre-Pr', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX', 'X', 'XI', 'XII'].include?(row['text'])
        if row['text_y'].to_f == 780.0
          grade_rows << row
        end
      elsif ['B', 'G'].include?(row['text'])
        if row['text_y'].to_f == 768.0
          bg_rows << row
        end
      elsif row['text'] =~ /^\d+$/
        y_coord = row['rect_y'].to_f
        ALL_CATEGORIES.each do |category|
          if @category_y_coords[category[:key]] && (y_coord - @category_y_coords[category[:key]]).abs < 5.0
            category_rows[category[:key]] << row
          end
        end
      end
    end
  end

  return nil if grade_rows.empty?

  # Sort and filter rows
  [grade_rows, bg_rows].each do |rows|
    rows.sort_by! { |row| row['text_x'].to_f }
    rows.reject! { |row| row['text_x'].to_f >= @x_cutoff }
  end

  category_rows.values.each do |rows|
    rows.sort_by! { |row| row['text_x'].to_f }
    rows.reject! { |row| row['text_x'].to_f >= @x_cutoff }
  end

  # Group B,G pairs
  bg_pairs = bg_rows.each_slice(2).map do |b, g|
    x_mid = (b['text_x'].to_f + g['text_x'].to_f) / 2
    [x_mid, [b, g]]
  end.to_h

  # Match numbers to pairs
  result = {
    grade_rows: grade_rows,
    bg_pairs: bg_pairs
  }

  ALL_CATEGORIES.each do |category|
    result["#{category[:key]}_numbers".to_sym] = match_numbers_to_pairs(category_rows[category[:key]], bg_pairs)
  end

  result
end