Add cleanup command

.gitignore

@@ -1,2 +1,3 @@
+*.jar
 *.gem
 Gemfile.lock

README.md

@@ -23,6 +23,7 @@ Commands:
 * list <regex> [regex...]        list tasks (only active tasks by default)
 * show <tasknumber>              show all task details
 * repl                           enter read-eval-print loop mode
+* cleanup <regex> [regex...]     cleanup completed tasks by regexp
 * help                           this help screen
 
 With list command the following pre-defined regex patterns can be also used:

bin/todo.rb

@@ -120,6 +120,9 @@ def execute(arguments)
       when 'repl'
         raise action + ' command has no parameters' if args.length > 0
         start_repl
+      when 'cleanup'
+        raise action + ' command requires at least one parameter' if args.nil? || args.empty?
+        cleanup(args)
       else
         list(nil, arguments)
       end
@@ -152,6 +155,7 @@ def usage
       * list <regex> [regex...]        list tasks (only active tasks by default)
       * show <tasknumber>              show all task details
       * repl                           enter read-eval-print loop mode
+      * cleanup <regex> [regex...]     cleanup completed tasks by regexp
       * help                           this help screen
 
       With list command the following pre-defined regex patterns can be also used:
@@ -293,18 +297,10 @@ def due_date(item, date = '')
   end
 
   def list(tasks = nil, patterns = nil)
-    items = {}
     tasks = tasks || load_tasks
     task_indent = [tasks.keys.max.to_s.size, 4].max
     patterns = patterns.nil? || patterns.empty? ? [@queries[':active']] : patterns
-    tasks.each do |num, task|
-      normalized_task = "state=#{task[:state]} due=#{task[:due]} #{task[:title]}"
-      match = true
-      patterns.each do |pattern|
-        match = false unless /#{@queries[pattern] || pattern}/ix.match(normalized_task)
-      end
-      items[num] = task if match
-    end
+    items = filter_tasks(tasks, patterns)
     items = items.sort_by do |num, task|
       [task[:priority] && task[:state] != 'done' ? 0 : 1, ORDER[task[:state] || 'default'], task[:due] || 'n/a', num]
     end
@@ -371,6 +367,28 @@ def start_repl
     end
   end
 
+  def cleanup(patterns)
+    tasks = load_tasks
+    patterns = [@queries[':done']] + patterns.to_a
+    items = filter_tasks(tasks, patterns)
+    items.keys.each do |num| tasks.delete(num) end
+    write_tasks(tasks)
+    puts "deleted #{items.size} todo(s)"
+  end
+
+  def filter_tasks(tasks, patterns)
+    items = {}
+    tasks.each do |num, task|
+      normalized_task = "state=#{task[:state]} due=#{task[:due]} #{task[:title]}"
+      match = true
+      patterns.each do |pattern|
+        match = false unless /#{@queries[pattern] || pattern}/ix.match(normalized_task)
+      end
+      items[num] = task if match
+    end
+    return items
+  end
+
   def colorize(text, color)
     "\e[#{COLOR_CODES[color]}m#{text}\e[0m"
   end

test/test_todo.rb

@@ -268,4 +268,28 @@ def test_list_by_due_date
     assert_equal("   1: \e[37m[ ]\e[0m Buy Milk \e[33m(today)\e[0m\n", $stdout.string)
   end
 
+  def test_cleanup_with_non_matching_todos
+    @todo.execute ['rename', '1', 'Buy Bread @breakfast']
+    $stdout = StringIO.new
+    @todo.execute ['cleanup', '@breakfast']
+    assert_match(
+      /{"state":"new","title":"Buy Bread @breakfast","modified":"\d{4}-\d{2}-\d{2}"}\r?\n/,
+      File.read(@todo_file)
+    )
+    assert_equal("deleted 0 todo(s)\n", $stdout.string)
+  end
+
+  def test_cleanup
+    @todo.execute ['rename', '1', 'Buy Bread @breakfast']
+    @todo.execute ['add', 'Buy Eggs @breakfast']
+    @todo.execute ['done', '1']
+    $stdout = StringIO.new
+    @todo.execute ['cleanup', '@breakfast']
+    assert_match(
+      /{"state":"new","title":"Buy Eggs @breakfast","modified":"\d{4}-\d{2}-\d{2}"}\r?\n/,
+      File.read(@todo_file)
+    )
+    assert_equal("deleted 1 todo(s)\n", $stdout.string)
+  end
+
 end

todo.gemspec

@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
   s.name        = 'todo-jsonl'
-  s.version     = '0.1.21'
-  s.date        = '2021-03-03'
+  s.version     = '0.1.22'
+  s.date        = '2021-03-05'
   s.summary     = 'todo list manager inspired by todo.txt using the jsonl format'
   s.authors     = ['Gabor Bata']
   s.homepage    = 'https://github.com/gaborbata/todo'