From 30f336c1a8c1c037014eac884e7fe0888140a669 Mon Sep 17 00:00:00 2001
From: Igor Putina <iputina@mixbook.com>
Date: Wed, 20 Jun 2018 16:55:22 +0300
Subject: [PATCH 1/8] Add task description

---
 03-command-line-todo-list/README.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 03-command-line-todo-list/README.md

diff --git a/03-command-line-todo-list/README.md b/03-command-line-todo-list/README.md
new file mode 100644
index 0000000..285bccb
--- /dev/null
+++ b/03-command-line-todo-list/README.md
@@ -0,0 +1,15 @@
+## Command line todo list
+
+### Description
+
+Write an command line application that helps you manage your tasks.
+
+The information can be stored in any prefered way. The program should be launched from the console with different attributes:
+
+```
+	-a or --add		adds an item into the list
+	-l or --list		displays the list
+	-r or --remove		removes the last n in the list
+	-c or --clear		clears the list
+	-h or --help		shows list of available commands
+```
\ No newline at end of file

From e7417ab8d7c07a812ebcbf02437b015d70091686 Mon Sep 17 00:00:00 2001
From: Igor Putina <iputina@mixbook.com>
Date: Wed, 20 Jun 2018 18:02:51 +0300
Subject: [PATCH 2/8] Add `thor` to the `Gemfile`

---
 03-command-line-todo-list/Gemfile      |  3 +++
 03-command-line-todo-list/Gemfile.lock | 13 +++++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 03-command-line-todo-list/Gemfile
 create mode 100644 03-command-line-todo-list/Gemfile.lock

diff --git a/03-command-line-todo-list/Gemfile b/03-command-line-todo-list/Gemfile
new file mode 100644
index 0000000..80b4e64
--- /dev/null
+++ b/03-command-line-todo-list/Gemfile
@@ -0,0 +1,3 @@
+source "https://rubygems.org"
+
+gem 'thor', '~> 0.20.0'
\ No newline at end of file
diff --git a/03-command-line-todo-list/Gemfile.lock b/03-command-line-todo-list/Gemfile.lock
new file mode 100644
index 0000000..a14899f
--- /dev/null
+++ b/03-command-line-todo-list/Gemfile.lock
@@ -0,0 +1,13 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    thor (0.20.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  thor (~> 0.20.0)
+
+BUNDLED WITH
+   1.16.1

From 457beb742fa87ef2880b3a1ae0877c68cc2b87d3 Mon Sep 17 00:00:00 2001
From: Igor Putina <iputina@mixbook.com>
Date: Wed, 20 Jun 2018 18:03:23 +0300
Subject: [PATCH 3/8] Implement commands and empty methods

---
 03-command-line-todo-list/todo.rb | 42 +++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 03-command-line-todo-list/todo.rb

diff --git a/03-command-line-todo-list/todo.rb b/03-command-line-todo-list/todo.rb
new file mode 100755
index 0000000..7cc22ee
--- /dev/null
+++ b/03-command-line-todo-list/todo.rb
@@ -0,0 +1,42 @@
+#!/usr/bin/env ruby
+
+require "thor"
+require "yaml/store"
+
+store = YAML::Store.new('database.yaml')
+
+module Todo
+    class CLI < Thor
+        desc "-a or --add [TASK]", "Adds an item into the list of tasks", :aliases => "-a"
+        map %w[-a --add] => :add
+        def add(task)
+            puts "Adding task: #{task}"
+        end
+
+        desc "-r or --remove [ITEM]", "Removes an item from the list of tasks"
+        map %w[-r --remove] => :remove
+        def remove(task)
+            puts "Removing task #{task}"
+        end
+
+        desc "-l or --list", "List the tasks"
+        map %w[-l --list] => :list
+        def list()
+            puts "Listing tasks"
+        end
+
+        desc "-c or --clear", "Clears all tasks"
+        map %w[-c --clear] => :clear
+        def clear()
+            puts "Clearing tasks"
+        end
+
+        desc "-h or --help", "Displays a list of possible commands"
+        map %w[-h --help] => :help
+        def help
+            super
+        end
+    end
+end
+
+Todo::CLI.start(ARGV)

From 8ba3c09b445ae1adb2e28f67f8fc8a95def963be Mon Sep 17 00:00:00 2001
From: Igor Putina <iputina@mixbook.com>
Date: Wed, 20 Jun 2018 18:27:15 +0300
Subject: [PATCH 4/8] Implement `add` and `remove` commands

---
 03-command-line-todo-list/database.yaml |  9 ++++
 03-command-line-todo-list/todo.rb       | 67 +++++++++++++++----------
 2 files changed, 50 insertions(+), 26 deletions(-)
 create mode 100644 03-command-line-todo-list/database.yaml

diff --git a/03-command-line-todo-list/database.yaml b/03-command-line-todo-list/database.yaml
new file mode 100644
index 0000000..9399b95
--- /dev/null
+++ b/03-command-line-todo-list/database.yaml
@@ -0,0 +1,9 @@
+---
+:tasks:
+- Lick a car tire
+- Eat a whole piece of paper
+- Pick your friend’s nose
+- Get into a debate with a wall
+- Burp the alphabet
+- Eat a spoonful of mustard
+- Talk without closing your mouth
diff --git a/03-command-line-todo-list/todo.rb b/03-command-line-todo-list/todo.rb
index 7cc22ee..79dae77 100755
--- a/03-command-line-todo-list/todo.rb
+++ b/03-command-line-todo-list/todo.rb
@@ -3,40 +3,55 @@
 require "thor"
 require "yaml/store"
 
-store = YAML::Store.new('database.yaml')
+$store = YAML::Store.new('database.yaml')
 
 module Todo
-    class CLI < Thor
-        desc "-a or --add [TASK]", "Adds an item into the list of tasks", :aliases => "-a"
-        map %w[-a --add] => :add
-        def add(task)
-            puts "Adding task: #{task}"
-        end
+  class CLI < Thor
+    desc "-a or --add [TASK]", "Adds an item into the list of tasks", :aliases => "-a"
+    map %w[-a --add] => :add
+    def add(task)
+      $store.transaction do
+        $store[:tasks] ||= []
+        $store[:tasks] << task
+        $store.commit
+      end
+    end
 
-        desc "-r or --remove [ITEM]", "Removes an item from the list of tasks"
-        map %w[-r --remove] => :remove
-        def remove(task)
-            puts "Removing task #{task}"
-        end
+    desc "-r or --remove [ITEM]", "Removes an item from the list of tasks"
+    map %w[-r --remove] => :remove
+    def remove(item)
+      $store.transaction do
+        $store[:tasks] ||= []
+        if $store[:tasks].length < item.to_i
+          shell.say "A task at number #{item} does not exist"
 
-        desc "-l or --list", "List the tasks"
-        map %w[-l --list] => :list
-        def list()
-            puts "Listing tasks"
+          # Abort this transaction
+          $store.abort
         end
 
-        desc "-c or --clear", "Clears all tasks"
-        map %w[-c --clear] => :clear
-        def clear()
-            puts "Clearing tasks"
-        end
+        $store[:tasks].delete_at(item.to_i - 1)
+        $store.commit
+      end
+    end
 
-        desc "-h or --help", "Displays a list of possible commands"
-        map %w[-h --help] => :help
-        def help
-            super
-        end
+    desc "-l or --list", "List the tasks"
+    map %w[-l --list] => :list
+    def list()
+      shell.say "Listing tasks"
+    end
+
+    desc "-c or --clear", "Clears all tasks"
+    map %w[-c --clear] => :clear
+    def clear()
+      puts "Clearing tasks"
+    end
+
+    desc "-h or --help", "Displays a list of possible commands"
+    map %w[-h --help] => :help
+    def help
+      super
     end
+  end
 end
 
 Todo::CLI.start(ARGV)

From 601d7220eb591070f61623d31485e0a784824090 Mon Sep 17 00:00:00 2001
From: Igor Putina <iputina@mixbook.com>
Date: Wed, 20 Jun 2018 18:44:37 +0300
Subject: [PATCH 5/8] Implement `list` command

---
 03-command-line-todo-list/todo.rb | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/03-command-line-todo-list/todo.rb b/03-command-line-todo-list/todo.rb
index 79dae77..ba1e545 100755
--- a/03-command-line-todo-list/todo.rb
+++ b/03-command-line-todo-list/todo.rb
@@ -7,11 +7,15 @@
 
 module Todo
   class CLI < Thor
+    def initialize(*args)
+      super
+      prepare_store
+    end
+
     desc "-a or --add [TASK]", "Adds an item into the list of tasks", :aliases => "-a"
     map %w[-a --add] => :add
     def add(task)
       $store.transaction do
-        $store[:tasks] ||= []
         $store[:tasks] << task
         $store.commit
       end
@@ -21,7 +25,6 @@ def add(task)
     map %w[-r --remove] => :remove
     def remove(item)
       $store.transaction do
-        $store[:tasks] ||= []
         if $store[:tasks].length < item.to_i
           shell.say "A task at number #{item} does not exist"
 
@@ -37,7 +40,17 @@ def remove(item)
     desc "-l or --list", "List the tasks"
     map %w[-l --list] => :list
     def list()
-      shell.say "Listing tasks"
+      shell.say "Current tasks:"
+      shell.say
+
+      $store.transaction do
+        $store[:tasks].each_with_index do |item, index|
+          shell.say "\t%02d #{item}" % (index + 1)
+        end
+
+        shell.say
+        shell.say "There are currently #{$store[:tasks].length} tasks"
+      end
     end
 
     desc "-c or --clear", "Clears all tasks"
@@ -51,6 +64,15 @@ def clear()
     def help
       super
     end
+
+    private
+
+    def prepare_store
+      $store.transaction do
+        $store[:tasks] ||= []
+        $store.commit
+      end
+    end
   end
 end
 

From 21cb516412652ce5c42b5713cdfb745eb108df82 Mon Sep 17 00:00:00 2001
From: Igor Putina <iputina@mixbook.com>
Date: Wed, 20 Jun 2018 23:27:35 +0300
Subject: [PATCH 6/8] Initial solution implementation

---
 03-command-line-todo-list/todo.rb          | 78 +-----------------
 03-command-line-todo-list/todo/cli.rb      | 61 ++++++++++++++
 03-command-line-todo-list/todo/database.rb | 95 ++++++++++++++++++++++
 3 files changed, 158 insertions(+), 76 deletions(-)
 create mode 100644 03-command-line-todo-list/todo/cli.rb
 create mode 100644 03-command-line-todo-list/todo/database.rb

diff --git a/03-command-line-todo-list/todo.rb b/03-command-line-todo-list/todo.rb
index ba1e545..a29c5cb 100755
--- a/03-command-line-todo-list/todo.rb
+++ b/03-command-line-todo-list/todo.rb
@@ -1,79 +1,5 @@
 #!/usr/bin/env ruby
 
-require "thor"
-require "yaml/store"
+require_relative "todo/cli"
 
-$store = YAML::Store.new('database.yaml')
-
-module Todo
-  class CLI < Thor
-    def initialize(*args)
-      super
-      prepare_store
-    end
-
-    desc "-a or --add [TASK]", "Adds an item into the list of tasks", :aliases => "-a"
-    map %w[-a --add] => :add
-    def add(task)
-      $store.transaction do
-        $store[:tasks] << task
-        $store.commit
-      end
-    end
-
-    desc "-r or --remove [ITEM]", "Removes an item from the list of tasks"
-    map %w[-r --remove] => :remove
-    def remove(item)
-      $store.transaction do
-        if $store[:tasks].length < item.to_i
-          shell.say "A task at number #{item} does not exist"
-
-          # Abort this transaction
-          $store.abort
-        end
-
-        $store[:tasks].delete_at(item.to_i - 1)
-        $store.commit
-      end
-    end
-
-    desc "-l or --list", "List the tasks"
-    map %w[-l --list] => :list
-    def list()
-      shell.say "Current tasks:"
-      shell.say
-
-      $store.transaction do
-        $store[:tasks].each_with_index do |item, index|
-          shell.say "\t%02d #{item}" % (index + 1)
-        end
-
-        shell.say
-        shell.say "There are currently #{$store[:tasks].length} tasks"
-      end
-    end
-
-    desc "-c or --clear", "Clears all tasks"
-    map %w[-c --clear] => :clear
-    def clear()
-      puts "Clearing tasks"
-    end
-
-    desc "-h or --help", "Displays a list of possible commands"
-    map %w[-h --help] => :help
-    def help
-      super
-    end
-
-    private
-
-    def prepare_store
-      $store.transaction do
-        $store[:tasks] ||= []
-        $store.commit
-      end
-    end
-  end
-end
-
-Todo::CLI.start(ARGV)
+Todo::CLI.start(ARGV)
\ No newline at end of file
diff --git a/03-command-line-todo-list/todo/cli.rb b/03-command-line-todo-list/todo/cli.rb
new file mode 100644
index 0000000..d4f1460
--- /dev/null
+++ b/03-command-line-todo-list/todo/cli.rb
@@ -0,0 +1,61 @@
+require "thor"
+require_relative "database"
+
+module Todo
+  class CLI < Thor
+    def initialize(*args)
+      @store = Todo::Database.new
+
+      super
+    end
+
+    desc "-a or --add [TASK]", "Adds an item into the list of tasks"
+    map %w[-a --add] => :add
+    def add(task)
+      @store.tasks = @store.tasks << task
+
+      pretty_print_tasks(@store.tasks)
+    end
+
+    desc "-r or --remove [ITEM]", "Removes an item from the list of tasks"
+    map %w[-r --remove] => :remove
+    def remove(item)
+      tasks = @store.tasks
+
+      if tasks.length < item.to_i
+          shell.say "Task at number #{item} does not exist\n\n"
+          return
+      end
+
+      shell.say "\n\"\e[1m#{tasks.delete_at(item.to_i - 1)}\"\e[0m [removed]\n\n"
+      @store.tasks = tasks
+    end
+
+    desc "-l or --list", "List the tasks"
+    map %w[-l --list] => :list
+    def list
+      pretty_print_tasks(@store.tasks)
+    end
+
+    desc "-c or --clear", "Clears all tasks"
+    map %w[-c --clear] => :clear
+    def clear
+      @store.tasks = []
+      pretty_print_tasks(@store.tasks)
+    end
+
+    desc "-h or --help", "Displays a list of possible commands"
+    map %w[-h --help] => :help
+    def help
+      super
+    end
+
+    protected
+
+    def pretty_print_tasks(tasks)
+      shell.say "\n\tThere are currently \e[1m#{tasks.length} tasks\e[0m\n\n"
+      tasks.each_with_index { |item, index| shell.say "\t%02d #{item}" % (index + 1) }
+      shell.say
+    end
+  end
+end
\ No newline at end of file
diff --git a/03-command-line-todo-list/todo/database.rb b/03-command-line-todo-list/todo/database.rb
new file mode 100644
index 0000000..7fedba9
--- /dev/null
+++ b/03-command-line-todo-list/todo/database.rb
@@ -0,0 +1,95 @@
+require "yaml/store"
+
+module Todo
+  class CLI < Thor
+    def initialize(*args)
+      @store = Todo::Database.new
+
+      super
+    end
+
+    desc "-a or --add [TASK]", "Adds an item into the list of tasks"
+    map %w[-a --add] => :add
+    def add(task)
+      @store.tasks = @store.tasks << task
+
+      pretty_print_tasks(@store.tasks)
+    end
+
+    desc "-r or --remove [ITEM]", "Removes an item from the list of tasks"
+    map %w[-r --remove] => :remove
+    def remove(item)
+      tasks = @store.tasks
+
+      if tasks.length < item.to_i
+          shell.say "A task at number #{item} does not exist"
+      end
+
+      tasks.delete_at(item.to_i - 1)
+      @store.tasks = tasks
+    end
+
+    desc "-l or --list", "List the tasks"
+    map %w[-l --list] => :list
+    def list
+      pretty_print_tasks(@store.tasks)
+    end
+
+    desc "-c or --clear", "Clears all tasks"
+    map %w[-c --clear] => :clear
+    def clear
+      @store.tasks = []
+      pretty_print_tasks(@store.tasks)
+    end
+
+    desc "-h or --help", "Displays a list of possible commands"
+    map %w[-h --help] => :help
+    def help
+      super
+    end
+
+    protected
+
+    def pretty_print_tasks(tasks)
+      shell.say "\n\tThere are currently \e[1m#{tasks.length} tasks\e[0m\n\n"
+      tasks.each_with_index { |item, index| shell.say "\t%02d #{item}" % (index + 1) }
+      shell.say
+    end
+  end
+
+  class Database
+    attr_accessor :store, :tasks
+
+    def initialize(db_name = 'database')
+      @store = YAML::Store.new("#{db_name}.yaml")
+      initialize_store
+    end
+
+    def initialize_store
+      @store.transaction do
+        @store[:tasks] ||= []
+        @store.commit
+      end
+    end
+
+    def tasks=(tasks)
+      @store.transaction do
+        @store[:tasks] = tasks
+        @tasks = tasks
+        @store.commit
+      end
+
+      @tasks
+    end
+
+    def tasks
+      tasks = []
+
+      @store.transaction do
+        tasks = @store[:tasks]
+      end
+
+      tasks
+    end
+  end
+end
\ No newline at end of file

From 7b8fc0b43d531465aa98aabd332717ee4f017ba0 Mon Sep 17 00:00:00 2001
From: Igor Putina <iputina@mixbook.com>
Date: Wed, 20 Jun 2018 23:31:41 +0300
Subject: [PATCH 7/8] Renamed `todo` to `lib`

---
 .../{todo => lib}/cli.rb                      |  0
 03-command-line-todo-list/lib/database.rb     | 39 ++++++++
 03-command-line-todo-list/todo.rb             |  2 +-
 03-command-line-todo-list/todo/database.rb    | 95 -------------------
 4 files changed, 40 insertions(+), 96 deletions(-)
 rename 03-command-line-todo-list/{todo => lib}/cli.rb (100%)
 create mode 100644 03-command-line-todo-list/lib/database.rb
 delete mode 100644 03-command-line-todo-list/todo/database.rb

diff --git a/03-command-line-todo-list/todo/cli.rb b/03-command-line-todo-list/lib/cli.rb
similarity index 100%
rename from 03-command-line-todo-list/todo/cli.rb
rename to 03-command-line-todo-list/lib/cli.rb
diff --git a/03-command-line-todo-list/lib/database.rb b/03-command-line-todo-list/lib/database.rb
new file mode 100644
index 0000000..6993aaf
--- /dev/null
+++ b/03-command-line-todo-list/lib/database.rb
@@ -0,0 +1,39 @@
+require "yaml/store"
+
+module Todo
+  class Database
+    attr_accessor :store, :tasks
+
+    def initialize(db_name = 'database')
+      @store = YAML::Store.new("#{db_name}.yaml")
+      initialize_store
+    end
+
+    def initialize_store
+      @store.transaction do
+        @store[:tasks] ||= []
+        @store.commit
+      end
+    end
+
+    def tasks=(tasks)
+      @store.transaction do
+        @store[:tasks] = tasks
+        @tasks = tasks
+        @store.commit
+      end
+
+      @tasks
+    end
+
+    def tasks
+      tasks = []
+
+      @store.transaction do
+        tasks = @store[:tasks]
+      end
+
+      tasks
+    end
+  end
+end
\ No newline at end of file
diff --git a/03-command-line-todo-list/todo.rb b/03-command-line-todo-list/todo.rb
index a29c5cb..c291400 100755
--- a/03-command-line-todo-list/todo.rb
+++ b/03-command-line-todo-list/todo.rb
@@ -1,5 +1,5 @@
 #!/usr/bin/env ruby
 
-require_relative "todo/cli"
+require_relative "lib/cli"
 
 Todo::CLI.start(ARGV)
\ No newline at end of file
diff --git a/03-command-line-todo-list/todo/database.rb b/03-command-line-todo-list/todo/database.rb
deleted file mode 100644
index 7fedba9..0000000
--- a/03-command-line-todo-list/todo/database.rb
+++ /dev/null
@@ -1,95 +0,0 @@
-require "yaml/store"
-
-module Todo
-  class CLI < Thor
-    def initialize(*args)
-      @store = Todo::Database.new
-
-      super
-    end
-
-    desc "-a or --add [TASK]", "Adds an item into the list of tasks"
-    map %w[-a --add] => :add
-    def add(task)
-      @store.tasks = @store.tasks << task
-
-      pretty_print_tasks(@store.tasks)
-    end
-
-    desc "-r or --remove [ITEM]", "Removes an item from the list of tasks"
-    map %w[-r --remove] => :remove
-    def remove(item)
-      tasks = @store.tasks
-
-      if tasks.length < item.to_i
-          shell.say "A task at number #{item} does not exist"
-      end
-
-      tasks.delete_at(item.to_i - 1)
-      @store.tasks = tasks
-    end
-
-    desc "-l or --list", "List the tasks"
-    map %w[-l --list] => :list
-    def list
-      pretty_print_tasks(@store.tasks)
-    end
-
-    desc "-c or --clear", "Clears all tasks"
-    map %w[-c --clear] => :clear
-    def clear
-      @store.tasks = []
-      pretty_print_tasks(@store.tasks)
-    end
-
-    desc "-h or --help", "Displays a list of possible commands"
-    map %w[-h --help] => :help
-    def help
-      super
-    end
-
-    protected
-
-    def pretty_print_tasks(tasks)
-      shell.say "\n\tThere are currently \e[1m#{tasks.length} tasks\e[0m\n\n"
-      tasks.each_with_index { |item, index| shell.say "\t%02d #{item}" % (index + 1) }
-      shell.say
-    end
-  end
-
-  class Database
-    attr_accessor :store, :tasks
-
-    def initialize(db_name = 'database')
-      @store = YAML::Store.new("#{db_name}.yaml")
-      initialize_store
-    end
-
-    def initialize_store
-      @store.transaction do
-        @store[:tasks] ||= []
-        @store.commit
-      end
-    end
-
-    def tasks=(tasks)
-      @store.transaction do
-        @store[:tasks] = tasks
-        @tasks = tasks
-        @store.commit
-      end
-
-      @tasks
-    end
-
-    def tasks
-      tasks = []
-
-      @store.transaction do
-        tasks = @store[:tasks]
-      end
-
-      tasks
-    end
-  end
-end
\ No newline at end of file

From 47db7dcc224578e462571887fe760de725709fa7 Mon Sep 17 00:00:00 2001
From: Igor Putina <iputina@mixbook.com>
Date: Thu, 21 Jun 2018 10:41:36 +0300
Subject: [PATCH 8/8] Modified according to spec

---
 03-command-line-todo-list/lib/cli.rb | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/03-command-line-todo-list/lib/cli.rb b/03-command-line-todo-list/lib/cli.rb
index d4f1460..e84a109 100644
--- a/03-command-line-todo-list/lib/cli.rb
+++ b/03-command-line-todo-list/lib/cli.rb
@@ -17,9 +17,9 @@ def add(task)
       pretty_print_tasks(@store.tasks)
     end
 
-    desc "-r or --remove [ITEM]", "Removes an item from the list of tasks"
-    map %w[-r --remove] => :remove
-    def remove(item)
+    desc "-d or --delete [NUMBER]", "Deletes task at index NUMBER from the list"
+    map %w[-d --delete] => :delete
+    def delete(item)
       tasks = @store.tasks
 
       if tasks.length < item.to_i
@@ -31,6 +31,18 @@ def remove(item)
       @store.tasks = tasks
     end
 
+    desc "-r or --remove [NUMBER]", "Removes the last NUMBER of items the list"
+    map %w[-r --remove] => :remove
+    def remove(items)
+      tasks = @store.tasks
+      clear and return if tasks.length <= items.to_i
+      @store.tasks = tasks - tasks.last(items.to_i)
+
+      tasks.last(items.to_i).each do |task|
+        shell.say "\"#{task}\" \e[1m[removed]\e[0m"
+      end
+    end
+
     desc "-l or --list", "List the tasks"
     map %w[-l --list] => :list
     def list