From 5f3708b3075083916dfd01eb95087874c322dbb7 Mon Sep 17 00:00:00 2001
From: saint <saint@saint.li>
Date: Mon, 9 Sep 2024 20:30:15 +1000
Subject: [PATCH] v0.6 Further attempt to get this reverse dobule encoding
 right now

---
 goss-correctencoding.rb | 61 +++++++++++++++++++++++++++++------------
 1 file changed, 43 insertions(+), 18 deletions(-)

diff --git a/goss-correctencoding.rb b/goss-correctencoding.rb
index 2734abf..4d2dec2 100644
--- a/goss-correctencoding.rb
+++ b/goss-correctencoding.rb
@@ -1,7 +1,7 @@
 # Federated Computer, Inc.
 # David Sainty <saint@federated.computer>  2024 A.D.
 # Gossamer Threads to Discourse -- Correct Encoding
-# v0.4 Debugging
+# v0.6 Further attempt to get this reverse dobule encoding right now
 
 require 'mysql2'
 require 'active_record'
@@ -24,18 +24,43 @@ class GossamerForumsCorrectEncoding < ImportScripts::Base
         )
       rescue Mysql2::Error => e
         puts "Error connecting to MySQL: #{e.message}"
+        puts e.backtrace.join("\n")  # Print the full stack trace
         exit 1
       end
       @batch_size = 1000   # Number of posts to process in each batch
   end
 
   # Method to detect and fix text encoding
-  def fix_text_encoding(raw_content)
-    # Detect encoding
-    detection = CharlockHolmes::EncodingDetector.detect(raw_content)
+  def fix_text_encoding(broken_content)
+    # Step 1: Try to detect encoding of the corrupted (double-encoded) content
+    detection = CharlockHolmes::EncodingDetector.detect(broken_content)
     original_encoding = detection[:encoding]
     puts "Original encoding detected: #{original_encoding}"
   
+    # Step 2: First decode the double-encoded content
+    begin
+      # Convert the content assuming it was double-encoded, so decode twice
+        # First, convert from the detected encoding (ISO-8859-1 or windows-1252) to UTF-8
+      first_pass = CharlockHolmes::Converter.convert(broken_content, original_encoding, 'UTF-8')
+      
+      # Step 3: Now re-interpret that output as if it's broken UTF-8 and convert it back to UTF-8
+      fixed_content = CharlockHolmes::Converter.convert(first_pass, 'UTF-8', 'UTF-8')
+      
+    rescue => e
+      puts "Error during encoding fix: #{e.message}"
+      puts e.backtrace.join("\n")  # Print the full stack trace
+
+      fixed_content = broken_content # Fall back to the broken content if decoding fails
+    end
+  
+    return fixed_content
+end
+
+#    # Detect encoding
+#    detection = CharlockHolmes::EncodingDetector.detect(raw_content)
+#    original_encoding = detection[:encoding]
+#    puts "Original encoding detected: #{original_encoding}"
+  
 #      # Force the encoding to the detected one, then covnert to UTF-8
 #      if original_encoding == 'ISO-8859-1' || original_encoding == 'windows-1252'
 #        # For Windows-1252 or ISO-8859-1, force the encoding and convert to UTF-8
@@ -46,20 +71,20 @@ class GossamerForumsCorrectEncoding < ImportScripts::Base
 #        text.encode('UTF-8', original_encoding, invalid: :replace, undef: :replace, replace: '?')
 #      end
 
-    if original_encoding
-      begin
-        decoded_content = CharlockHolmes::Converter.convert(raw_content, original_encoding, 'UTF-8')
-      rescue => e
-        puts "Error during encoding conversion: #{e.message}"
-        decoded_content = raw_content # Fall back to raw content if decoding fails
-      end
-    else
-      decoded_content = raw_content # Fallback if encoding detection fails
-    end
-
-    # Step 3: Ensure the content is now correctly in UTF-8 (no need to encode again)
-    return decoded_content
-  end
+#    if original_encoding
+#      begin
+#        decoded_content = CharlockHolmes::Converter.convert(raw_content, original_encoding, 'UTF-8')
+#      rescue => e
+#        puts "Error during encoding conversion: #{e.message}"
+#        decoded_content = raw_content # Fall back to raw content if decoding fails
+#      end
+#    else
+#      decoded_content = raw_content # Fallback if encoding detection fails
+#    end
+#
+#    # Step 3: Ensure the content is now correctly in UTF-8 (no need to encode again)
+#    return decoded_content
+#  end
         
 #    rescue StandardError => e
 #      puts "Error during encoding conversion: #{e.message}"