From 83c2c466fb407607948306b59aebfc1767a4ad7e Mon Sep 17 00:00:00 2001
From: multiple creatures <dev@multiple-creature.party>
Date: Tue, 21 May 2019 01:55:03 -0500
Subject: [PATCH] use dots instead of colons for tag scopes

---
 app/lib/bangtags.rb                                    | 8 ++++----
 app/models/tag.rb                                      | 2 +-
 app/services/process_hashtags_service.rb               | 4 ++--
 db/migrate/20190521003909_rewrite_scoped_tag_delims.rb | 9 +++++++++
 4 files changed, 16 insertions(+), 7 deletions(-)
 create mode 100644 db/migrate/20190521003909_rewrite_scoped_tag_delims.rb

diff --git a/app/lib/bangtags.rb b/app/lib/bangtags.rb
index 33721e0c2..3441b7464 100644
--- a/app/lib/bangtags.rb
+++ b/app/lib/bangtags.rb
@@ -36,7 +36,7 @@ class Bangtags
   end
 
   def process
-    return unless status.text&.present? && status.text.include?('#!')
+    return unless !@vars['_bangtags:disable'] && status.text&.present? && status.text.include?('#!')
 
     status.text.gsub!('#!!', "#\u200c!")
 
@@ -218,7 +218,7 @@ class Bangtags
           chunk = mentions.join(' ')
         when 'tag'
           chunk = nil
-          tags = cmd[1..-1].map {|t| t.gsub('.', ':')}
+          tags = cmd[1..-1].map {|t| t.gsub(':', '.')}
           add_tags(status, *tags)
         when 'thread'
           chunk = nil
@@ -291,7 +291,7 @@ class Bangtags
           when 'tag'
             chunk = nil
             next unless @parent_status.account.id == @account.id
-            tags = cmd[2..-1].map {|t| t.gsub('.', ':')}
+            tags = cmd[2..-1].map {|t| t.gsub(':', '.')}
             add_tags(@parent_status, *tags)
           when 'emoji'
             @parent_status.emojis.each do |theirs|
@@ -404,7 +404,7 @@ class Bangtags
           status.visibility = :direct
           @vore_stack.push('_draft')
           @component_stack.push(:var)
-          add_tags(status, 'self:draft')
+          add_tags(status, 'self.draft')
         when 'format', 'type'
           chunk = nil
           next if cmd[1].nil?
diff --git a/app/models/tag.rb b/app/models/tag.rb
index 04b902885..47bbfea1d 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -19,7 +19,7 @@ class Tag < ApplicationRecord
   has_many :featured_tags, dependent: :destroy, inverse_of: :tag
   has_one :account_tag_stat, dependent: :destroy
 
-  HASHTAG_NAME_RE = '[[:word:]:_\-]*[[:alpha:]:_·\-][[:word:]:_\-]*'
+  HASHTAG_NAME_RE = '[[:word:]._\-]*[[:alpha:]._·\-][[:word:]._\-]*'
   HASHTAG_RE = /(?:^|[^\/\)\w])#(#{HASHTAG_NAME_RE})/i
 
   validates :name, presence: true, uniqueness: true, format: { with: /\A#{HASHTAG_NAME_RE}\z/i }
diff --git a/app/services/process_hashtags_service.rb b/app/services/process_hashtags_service.rb
index 68a87b11a..e8c2c95bb 100644
--- a/app/services/process_hashtags_service.rb
+++ b/app/services/process_hashtags_service.rb
@@ -8,9 +8,9 @@ class ProcessHashtagsService < BaseService
     records = []
 
     tags.map { |str| str.mb_chars.downcase }.uniq(&:to_s).each do |name|
-      name = name.gsub(/::+/, ':')
+      name = name.gsub(/\.\.+/, '.')
       next if name.blank?
-      component_indices = name.size.times.select {|i| name[i] == ':'}
+      component_indices = name.size.times.select {|i| name[i] == '.'}
       component_indices << name.size - 1
       component_indices.take(6).each_with_index do |i, nest|
         frag = (nest != 5) ? name[0..i] : name
diff --git a/db/migrate/20190521003909_rewrite_scoped_tag_delims.rb b/db/migrate/20190521003909_rewrite_scoped_tag_delims.rb
new file mode 100644
index 000000000..a7b2c0224
--- /dev/null
+++ b/db/migrate/20190521003909_rewrite_scoped_tag_delims.rb
@@ -0,0 +1,9 @@
+class RewriteScopedTagDelims < ActiveRecord::Migration[5.2]
+  disable_ddl_transaction!
+  def up
+    Tag.where("tags.name LIKE '%:%'").find_each do |tag|
+      tag.name.gsub!(':', '.')
+      tag.save
+    end
+  end
+end