Roman Androsiuk - 0

Roman Androsiuk/0/Gemfile

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+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+# git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
+gem 'roo', '>=1'
+gem 'roo-xls', '>=1'
+# gem "rails"

Roman Androsiuk/0/Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    mini_portile2 (2.3.0)
+    nokogiri (1.8.5)
+      mini_portile2 (~> 2.3.0)
+    roo (2.7.1)
+      nokogiri (~> 1)
+      rubyzip (~> 1.1, < 2.0.0)
+    roo-xls (1.2.0)
+      nokogiri
+      roo (>= 2.0.0, < 3)
+      spreadsheet (> 0.9.0)
+    ruby-ole (1.2.12.1)
+    rubyzip (1.2.2)
+    spreadsheet (1.1.8)
+      ruby-ole (>= 1.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  roo (>= 1)
+  roo-xls (>= 1)
+
+BUNDLED WITH
+   1.16.6

Roman Androsiuk/0/README.md

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+1) Download all .xls and .xlsx files and put them into "./data/" repository
+2) $ bundle install
+3) $ run start.rb
+4) Enter product name.
+5) You will get info about an item program found according to your key word. You will get a list of items if your key word was present in multiple product names.
+6) If only 1 item is matched you should wait until receiving info about max and min prices of your product and about what you can buy for the SAME price.

Roman Androsiuk/0/file.txt

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+

Roman Androsiuk/0/start.rb

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+require 'roo'
+require 'roo-xls'
+# require 'rubocop'
+xlfilenow = Roo::Excelx.new('./data/Average_prices(serv)-10-2018.xlsx') # Info about prices in Minsk these days
+@sheetnow = xlfilenow.sheet(0)
+@goods = []
+@prices = []
+@matched_items = 0
+@matched_items_indexes = []
+puts 'Enter you desired product name in Russian...'
+@product_request = gets.chomp.upcase # Product name input
+
+def main_table_read(sheet)
+  # Finding info about all requested items
+  (0..354).each do |i|
+    next unless !sheet.cell(i + 8, 1).nil? && !sheet.cell(i + 8, 15).nil? # Item in i+8 row has actual name and price
+
+    next unless sheet.cell(i + 8, 1).include? @product_request.to_s # Item's name having requested key word in it
+
+    @goods << sheet.cell(i + 8, 1) # Saving info about items
+    @prices << sheet.cell(i + 8, 15)
+    @matched_items_indexes << (i + 1)
+    @matched_items += 1 # Amount of items which had requested key word in it
+    @good_price = @prices[0] # These two will be used for level 3
+    @good_name = @goods[0]
+  end
+end
+
+def date_read(sheet)
+             # Read exact cell from requested sheet and generate mm/yyyy date
+  date = ''  # Actually need a tip how to make this not so dumb
+  date_text = sheet.cell(3, 1)
+  if date_text.include? 'январь'
+    date += '01'
+  elsif date_text.include? 'февраль'
+    date += '02'
+  elsif date_text.include? 'март'
+    date += '03'
+  elsif date_text.include? 'апрель'
+    date += '04'
+  elsif date_text.include? 'май'
+    date += '05'
+  elsif date_text.include? 'июнь'
+    date += '06'
+  elsif date_text.include? 'июль'
+    date += '07'
+  elsif date_text.include? 'август'
+    date += '08'
+  elsif date_text.include? 'сентябрь'
+    date += '09'
+  elsif date_text.include? 'октябрь'
+    date += '10'
+  elsif date_text.include? 'ноябрь'
+    date += '11'
+  elsif date_text.include? 'декабрь'
+    date += '12'
+  end
+
+  date += '/'
+
+  if date_text.include? '2009'
+    date += '2009'
+  elsif date_text.include? '2010'
+    date += '2010'
+  elsif date_text.include? '2011'
+    date += '2011'
+  elsif date_text.include? '2012'
+    date += '2012'
+  elsif date_text.include? '2013'
+    date += '2013'
+  elsif date_text.include? '2014'
+    date += '2014'
+  elsif date_text.include? '2015'
+    date += '2015'
+  elsif date_text.include? '2017'
+    date += '2017'
+    @notbyn = false # Case to convert BYR to BYN cause all files before year 2017 had prices written in 'before denomination' format
+  elsif date_text.include? '2018'
+    date += '2018'
+    @notbyn = false
+  else
+    date += if date_text.include? '2016'
+              '2016'
+            else
+              '***** какая то' # Censored testing mechanism
+            end
+  end
+  date # Returning a string
+end
+
+def prices_find # Looking through all files for min and max price of the item
+  @allfiles = Dir.entries('./data')
+  allfiles_length = @allfiles.size
+  (0...allfiles_length).each do |i0| # Going through all files in ./data/ directory
+    next unless @allfiles[i0] != '.' && @allfiles[i0] != '..' # Ignoring . and .. files
+
+    xlfile = if @allfiles[i0].include? 'xlsx' # To read both .xls and .xlsx files
+               Roo::Excelx.new("./data/#{@allfiles[i0]}")
+             else
+               Roo::Spreadsheet.open("./data/#{@allfiles[i0]}")
+             end
+    sheet = xlfile.sheet(0) # Pick 1st sheey
+    @goods.clear
+    @prices.clear
+    (0..354).each do |i| # Go though all items
+      next unless !sheet.cell(i + 8, 1).nil? && !sheet.cell(i + 8, 15).nil? # Item in i+8 row has actual name and price
+
+      next unless sheet.cell(i + 8, 1).include? @product_request.to_s # Item's name having requested key word in it
+
+      @goods[0] = sheet.cell(i + 8, 1) # Saving info
+      @prices[0] = sheet.cell(i + 8, 15)
+    end
+    @notbyn = true # Switch to know when to convert BYR to BYN.
+    date = date_read(sheet) # Read exact cell from requested sheet and generate mm/yyyy date. @notbyn will get FALSE value if year is 2017 or 2018
+    next if @prices[0].nil?
+
+    @prices[0] = bynconvert(@prices[0]) if @notbyn # Converting according to the switch(@notbyn) value
+
+      if @prices[0] > @max_price
+        @max_price = @prices[0]
+        @max_date = date
+      end
+    next unless @prices[0] < @min_price # A bit(as for me) weird way to write code for looking max and min values, but rubocop knows better...
+
+    @min_price = @prices[0]
+    @min_date = date
+  end
+  puts "Maximal price was #{@max_price.round(2)} BYN on #{@max_date}" # Print results
+  puts "Minimal price was #{@min_price.round(2)} BYN on #{@min_date}"
+end
+
+def bynconvert(byr)
+  # Self-explanatory
+  byn = byr
+  byn = byr / 10_000 unless byr.nil?
+  byn
+end
+
+def info_output
+  # Print info about found items according to the request key word
+  if @matched_items == 0
+    puts "Can't find anything matching your request for #{@product_request}."
+  elsif @matched_items == 1 && @product_request != @goods[0]
+    puts "The only thing matching \'#{@product_request}\' is #{@goods[0]} for #{@prices[0]} BYN"
+  elsif @matched_items == 1 && @product_request == @goods[0]
+    puts "There is \'#{@goods[0]}\' just for #{@prices[0]} BYN"
+  else
+    info_list_output # Print several results
+  end
+end
+
+def info_list_output
+  # Print several results
+  puts 'There are several matching results just for you, darling :^)'
+  matched_length = @matched_items_indexes.size
+  (0...matched_length).each do |i|
+    puts "#{@matched_items_indexes[i]}) #{@goods[i]} - #{@prices[i]} BYN"
+  end
+end
+
+def same_price_output
+  # Prints list of items with the same cost
+  answer = 'You can\'t afford anything else for that price.' # Default answer
+  same_length = @same_price_names.size
+  if same_length > 0 # Changes answer if anything was found
+    answer = 'For the same price you can also buy '
+    (0...same_length).each do |i|
+      answer += if i + 2 == same_length
+                  "#{@same_price_names[i]}\' and "
+                elsif i + 1 == same_length
+                  "\'#{@same_price_names[i]}\'"
+                else
+                  "\'#{@same_price_names[i]}\', "
+                end
+    end
+  end
+  puts answer # Prints answer
+end
+
+def same_price_find
+  # Find what you can buy for the same price
+  @same_price_names = []
+
+  (0..354).each do |i|
+    next unless [email protected](i + 8, 1).nil? && [email protected](i + 8, 15).nil?
+
+    next unless @sheetnow.cell(i + 8, 15) == @good_price && @sheetnow.cell(i + 8, 1) != @good_name # Item costs the same but it isn't itself
+
+    @same_price_names << @sheetnow.cell(i + 8, 1)
+  end
+end
+#~~~~~~~~~~~~~~~~~~~~~Main~code~~~~~~~~~~~~~~~~~~~~
+main_table_read(@sheetnow)
+info_output # Info about all items matching key word(s)
+if @matched_items_indexes.size == 1 # Doing level 2 and level 3 only if 1 item was found
+  date = date_read(@sheetnow)
+  @max_price = @prices[0]
+  @max_date = date
+  @min_price = @prices[0]
+  @min_date = date
+  prices_find
+  same_price_find
+  same_price_output
+end
+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~