More styling edits

app/models/announcement.rb

@@ -2,5 +2,4 @@ class Announcement < ApplicationRecord
   validates_presence_of :body, :club_id
 
   belongs_to :club
-
 end

app/models/book.rb

@@ -20,18 +20,18 @@ def self.check_if_duplicate(book_params)
 
   def self.only_with_ratings
     distinct.select('books.item, r.book_id, COUNT(r.book_id) AS review_count, AVG(r.value)')
-    .joins('INNER JOIN ratings AS r ON books.id = r.book_id')
-    .group('r.book_id, books.item')
-    .order('avg DESC')
-    .limit('20')
+            .joins('INNER JOIN ratings AS r ON books.id = r.book_id')
+            .group('r.book_id, books.item')
+            .order('avg DESC')
+            .limit('20')
   end
 
   def self.change_count(action, bookshelf)
     case action
-      when 'inc'
-        bookshelf.update(book_count: bookshelf.book_count += 1)
-      when 'dec'
-        bookshelf.update(book_count: bookshelf.book_count -= 1)
+    when 'inc'
+      bookshelf.update(book_count: bookshelf.book_count += 1)
+    when 'dec'
+      bookshelf.update(book_count: bookshelf.book_count -= 1)
     end
   end
 end

app/models/discussion.rb

@@ -4,5 +4,4 @@ class Discussion < ApplicationRecord
   belongs_to :reading
   belongs_to :user
   has_many :comments, dependent: :destroy
-
 end

app/models/reading.rb

@@ -1,12 +1,11 @@
 class Reading < ApplicationRecord
   validates_presence_of :book_id, :club_id
-  validates_uniqueness_of :book_id, { scope: :club_id }
+  validates_uniqueness_of :book_id, scope: :club_id
 
   belongs_to :club
   belongs_to :book
   has_many :discussions, dependent: :destroy
 
-
   def self.handle_archive(id)
     to_archive = Reading.find(id)
     to_archive.is_current = false
@@ -16,8 +15,7 @@ def self.handle_archive(id)
   def self.find_current(club)
     select("books.item, books.id, readings.id AS reading_id,
             readings.club_id, readings.start_date, readings.finish_date")
-    .joins("INNER JOIN books ON readings.book_id = books.id")
-    .where("readings.club_id = #{club.id} AND readings.is_current = true")
+      .joins("INNER JOIN books ON readings.book_id = books.id")
+      .where("readings.club_id = #{club.id} AND readings.is_current = true")
   end
-
 end

app/models/shelving.rb

@@ -1,13 +1,13 @@
 class Shelving < ApplicationRecord
   validates_presence_of :bookshelf_id, :book_id
-  validates_uniqueness_of :book_id, { scope: :bookshelf_id }
+  validates_uniqueness_of :book_id, scope: :bookshelf_id
 
   belongs_to :book
   belongs_to :bookshelf
 
   def self.with_book(shelf_id)
     select("books.item, books.id, shelvings.id AS shelving_id, shelvings.bookshelf_id")
-    .joins("INNER JOIN books ON shelvings.book_id = books.id")
-    .where("shelvings.bookshelf_id = #{shelf_id}")
+      .joins("INNER JOIN books ON shelvings.book_id = books.id")
+      .where("shelvings.bookshelf_id = #{shelf_id}")
   end
 end

app/models/user.rb

@@ -24,9 +24,7 @@ class User < ApplicationRecord
 
   def self.valid_login?(email, password)
     user = find_by(email: email)
-    if user && user.authenticate(password)
-      user
-    end
+    user if user&.authenticate(password)
   end
 
   def allow_token_to_be_used_only_once
@@ -45,8 +43,8 @@ def self.with_unexpired_token(token, period)
   private
 
   def build_default_bookshelves
-    Bookshelf.create(name: 'Read', user_id: self.id)
-    Bookshelf.create(name: 'Will Read', user_id: self.id)
+    Bookshelf.create(name: 'Read', user_id: id)
+    Bookshelf.create(name: 'Will Read', user_id: id)
   end
 
   def invalidate_token