Added sbility to start scraping from particular book

app/models/bible/book.rb

@@ -13,6 +13,8 @@ class Bible::Book
   index order: 1
 
   default_scope ->{ asc(:order) }
+  scope :by_title, ->(title) { where(title: title) }
+  scope :starting_from, ->(book_order) { where(order: { '$gte' => book_order }) }
 
   # Order of the latest book verse
   # 

app/models/bible/verse.rb

@@ -1,7 +1,7 @@
 class Bible::Verse
   include Mongoid::Document
 
-  belongs_to :book
+  belongs_to :book, class_name: 'Bible::Book'
 
   field :chapter, type: Integer
   field :text, localize: true

config/books.yml

@@ -439,7 +439,7 @@ bible:
         full: Sirah
       ru:
         short: Сир
-        full: Книга премудрости Иисуса, сына Сирахова
+        full: 'Книга премудрости Иисуса, сына Сирахова'
       pl:
         short:
         full:
@@ -510,7 +510,7 @@ bible:
       by:
         short: Бар
         full: Кніга прарока Баруха
-    chapters: 6
+    chapters: 7
   ezekiel:
     order: 33
     title:

lib/bible/scrapers/base.rb

@@ -8,8 +8,9 @@ class Base
       class <<self
         # Scrapes all Bible translation to the db
         #
-        def scrape
-          Bible::Book.all.map { |book| scrape_book(book) }
+        # @param [ String ] book title to start scraping from
+        def scrape(book_to_start_from = nil)
+          books_to_scrape(book_to_start_from).map { |book| scrape_book(book) }
         end
 
         # Returns the list of books titles that require mapping
@@ -21,14 +22,23 @@ def missing_mappings
 
         private
 
+        def books_to_scrape(book_to_start_from)
+          if book_to_start_from
+            book = Bible::Book.by_title(book_to_start_from).first
+            Bible::Book.starting_from(book.order)
+          else
+            Bible::Book.all
+          end
+        end
+
         # Srapes single book translation
         #
         # @param [ Bible::Book ] book
         def scrape_book(book)
           print "\nScraping #{book.title}:" unless Rails.env.test?
           book.chapters_count.times do |i|
             print "\n#{i + 1}: " unless Rails.env.test?
-            scrape_chapter(book, i + 1)
+            scrape_chapter(book, i + 1) 
           end
         end
 

lib/tasks/scraper.rake

@@ -12,9 +12,9 @@ namespace :scraper do
   end
 
   desc 'Scrapes the given granslation of the Bible'
-  task :scrape, [:translation] => [:environment] do |t, args|
+  task :scrape, [:translation, :start_from] => [:environment] do |t, args|
     if args[:translation].present?
-      result = Bible::Scrapers.const_get(args[:translation].camelize).scrape
+      result = Bible::Scrapers.const_get(args[:translation].camelize).scrape(args[:start_from])
     else
       puts 'Please set the translation like: rake scraper:scrape[ru]'
     end

spec/libs/bible/scrapers/base_spec.rb

@@ -177,8 +177,30 @@
     end
 
     it 'returns the list of books that need mapping' do
-      #puts CONFIG.inspect
+      puts CONFIG.inspect
       expect(subject.missing_mappings).to eq([ 'Le', 'Nm' ])
     end
   end
+
+  describe '#books_to_scrape' do
+
+    context 'when the book_to_start_from is present' do
+
+      let(:book) { double('book', order: 10, title: 'Ps') }
+      before { Bible::Book.stub(by_title: [ book ]) }
+
+      it 'returns books starting from that book' do
+        expect(Bible::Book).to receive(:starting_from).with(10)
+        subject.send(:books_to_scrape, 'Ps')
+      end
+    end
+
+    context 'when the book_to_start_from is nil' do
+
+      it 'returns all books' do
+        expect(Bible::Book).to receive(:all)
+        subject.send(:books_to_scrape, nil)
+      end
+    end
+  end
 end