Add autocorrect checks to ExplainFormatter

src/ameba/cli/cmd.cr

@@ -27,7 +27,7 @@ module Ameba::Cli
     runner = Ameba.run(config)
 
     if location = opts.location_to_explain
-      runner.explain(location)
+      runner.explain(location, autocorrect: opts.autocorrect?)
     else
       exit 1 unless runner.success?
     end

src/ameba/formatter/explain_formatter.cr

@@ -11,6 +11,7 @@ module Ameba::Formatter
 
     getter output : IO::FileDescriptor | IO::Memory
     getter location : Crystal::Location
+    getter? autocorrect : Bool
 
     # Creates a new instance of ExplainFormatter.
     # Accepts *output* which indicates the io where the explanation will be wrtitten to.
@@ -20,7 +21,7 @@ module Ameba::Formatter
     # ExplainFormatter.new output,
     #   {file: path, line: line_number, column: column_number}
     # ```
-    def initialize(@output, location)
+    def initialize(@output, location, @autocorrect = false)
       @location = Crystal::Location.new(location[:file], location[:line], location[:column])
     end
 
@@ -40,12 +41,22 @@ module Ameba::Formatter
 
       return unless (location = issue.location)
 
-      output_title "ISSUE INFO"
-      output_paragraph [
+      issue_info = [
         issue.message.colorize(:red).to_s,
         location.to_s.colorize(:cyan).to_s,
       ]
 
+      if issue.correctable?
+        if autocorrect?
+          issue_info << "Corrected".colorize(:green).to_s
+        else
+          issue_info << "Correctable".colorize(:yellow).to_s
+        end
+      end
+
+      output_title "ISSUE INFO"
+      output_paragraph issue_info
+
       if affected_code = affected_code(issue, context_lines: 3)
         output_title "AFFECTED CODE"
         output_paragraph affected_code

src/ameba/runner.cr

@@ -161,8 +161,8 @@ module Ameba
     # runner.run
     # runner.explain({file: file, line: l, column: c})
     # ```
-    def explain(location, output = STDOUT)
-      Formatter::ExplainFormatter.new(output, location).finished @sources
+    def explain(location, output = STDOUT, autocorrect = false)
+      Formatter::ExplainFormatter.new(output, location, autocorrect).finished @sources
     end
 
     # Indicates whether the last inspection successful or not.