From 81395dd0d4c54a3892e24d9f73bcb19ba16d860b Mon Sep 17 00:00:00 2001
From: tkusukawa <t@kusukawa.jp>
Date: Sat, 1 Dec 2018 21:24:01 +0900
Subject: [PATCH] visible private issues

---
 lib/custom_users_as_assignees/issue_patch.rb | 53 ++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/lib/custom_users_as_assignees/issue_patch.rb b/lib/custom_users_as_assignees/issue_patch.rb
index 7fad840..5bdd4f9 100644
--- a/lib/custom_users_as_assignees/issue_patch.rb
+++ b/lib/custom_users_as_assignees/issue_patch.rb
@@ -4,8 +4,47 @@ module IssuePatch
     def self.included(base)
       base.send :include, InstanceMethods
       base.send :has_many, :customized, :class_name => 'CustomValue', :foreign_key => 'customized_id'
+      base.extend ClassMethods
       base.class_eval do
         alias_method_chain :notified_users, :custom_users
+        alias_method_chain :visible?, :custom_users
+        class << self
+          alias_method_chain :visible_condition, :custom_users
+        end
+      end
+    end
+
+    module ClassMethods
+      def visible_condition_with_custom_users(user, options={})
+
+        user_ids = []
+        if user.logged?
+          user_ids = [user.id] + user.groups.map(&:id).compact
+        end
+
+        prj_clause = nil
+        if !options.nil? && !options[:project].nil?
+          prj_clause = " #{Project.table_name}.id = #{options[:project].id}"
+          if options[:with_subprojects]
+            prj_clause << " OR (#{Project.table_name}.lft > #{options[:project].lft} AND #{Project.table_name}.rgt < #{options[:project].rgt})"
+          end
+        end
+
+        issues_clause = ""
+        unless user_ids.empty?
+          issues_clause << "#{Issue.table_name}.id in ("
+          issues_clause << "SELECT cv.customized_id"
+          issues_clause << " FROM #{CustomField.table_name} AS cf"
+          issues_clause << " INNER JOIN #{CustomValue.table_name} AS cv"
+          issues_clause << " ON cv.custom_field_id = cf.id"
+          issues_clause << " AND cv.customized_type = 'Issue'"
+          issues_clause << " AND cv.value in (#{user_ids.join(',')})"
+          issues_clause << " WHERE cf.field_format = 'user'"
+          issues_clause << ")"
+          issues_clause << " AND (#{prj_clause})" if prj_clause
+        end
+
+        "( #{visible_condition_without_custom_users(user, options)} OR (#{issues_clause})) "
       end
     end
 
@@ -56,6 +95,20 @@ def notified_users_with_custom_users
         notified += notified_custom_users
         notified.uniq
       end
+
+      def visible_with_custom_users?(usr=nil)
+        visible = visible_without_custom_users?(usr)
+        return true if visible
+
+        u = usr
+        u ||= User.current
+        if u.logged?
+          custom_users().each do |custom_user|
+            return true if custom_user.id == u.id
+          end
+        end
+        return visible
+      end
     end
   end
 end