commit 71317ed3d9fa6bcdaf9eadcf9f18684a31a5f6ad
Author: Jan Schulz-Hofen <jan@plan.io>
Date:   Sat Mar 9 17:29:43 2013 +0100

    let user choose number of days to be reminded before an issue due date

diff --git a/app/models/mailer.rb b/app/models/mailer.rb
index d18394c..25ede13 100644
--- a/app/models/mailer.rb
+++ b/app/models/mailer.rb
@@ -359,7 +359,11 @@ class Mailer < ActionMailer::Base

     issues_by_assignee = scope.all(:include => [:status, :assigned_to, :project, :tracker]).group_by(&:assigned_to)
     issues_by_assignee.each do |assignee, issues|
-      deliver_reminder(assignee, issues, days) if assignee.is_a?(User) && assignee.active?
+      if assignee.is_a?(User) && assignee.active? && assignee.pref.reminder_days.present?
+        pref_days = assignee.pref.reminder_days.to_i
+        issues.reject!{|issue| issue.due_date.to_datetime > pref_days.days.from_now }
+        deliver_reminder(assignee, issues, pref_days < days ? pref_days : days) if issues.any?
+      end
     end
   end

diff --git a/app/models/user_preference.rb b/app/models/user_preference.rb
index 305e4b8..dd59e44 100644
--- a/app/models/user_preference.rb
+++ b/app/models/user_preference.rb
@@ -59,4 +59,7 @@ class UserPreference < ActiveRecord::Base

   def default_assign_issues_to_me; self[:default_assign_issues_to_me] || '0'; end
   def default_assign_issues_to_me=(value); self[:default_assign_issues_to_me]=value; end
+
+  def reminder_days; self[:reminder_days] || ''; end
+  def reminder_days=(value); self[:reminder_days] = value.blank? ? '' : value.to_i; end
 end
diff --git a/app/views/users/_preferences.html.erb b/app/views/users/_preferences.html.erb
index 144761a..e56b744 100644
--- a/app/views/users/_preferences.html.erb
+++ b/app/views/users/_preferences.html.erb
@@ -4,5 +4,7 @@
 <p><%= pref_fields.select :comments_sorting, [[l(:label_chronological_order), 'asc'], [l(:label_reverse_chronological_order), 'desc']] %></p>
 <p><%= pref_fields.check_box :warn_on_leaving_unsaved %></p>
 <p><%= pref_fields.check_box :default_assign_issues_to_me %></p>
+<p><%= pref_fields.text_field :reminder_days, :size => 6 %> <%= l(:label_before) %>
+<em class="info"><%= l(:text_reminder_days) %></em></p>
 <% end %>

diff --git a/config/locales/de.yml b/config/locales/de.yml
index e99ae05..a0336f7 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -626,6 +626,7 @@ de:
   label_less_than_ago: vor weniger als
   label_more_than_ago: vor mehr als
   label_ago: vor
+  label_before: Tage vorher
   label_contains: enthält
   label_not_contains: enthält nicht
   label_day_plural: Tage
@@ -961,7 +962,9 @@ de:
   setting_gantt_items_limit: Maximale Anzahl von Tickets die im Gantt-Chart angezeigt werden.
   field_default_assign_issues_to_me: Tickets die ich anlege mir selbst zuweisen
   field_warn_on_leaving_unsaved: vor dem Verlassen einer Seite mit ungesichertem Text im Editor warnen
+  field_reminder_days: E-Mail-Erinnerung für fällige Tickets
   text_warn_on_leaving_unsaved: Die aktuellen Änderungen gehen verloren, wenn Sie diese Seite verlassen.
+  text_reminder_days: Feld leer lassen für keine Erinnerungen
   label_my_queries: Meine eigenen Abfragen
   text_journal_changed_no_detail: "%{label} aktualisiert"
   label_news_comment_added: Kommentar zu einem Blog-Artikel hinzugefügt
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 427bf43..2e6a9d0 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -323,6 +323,7 @@ en:
   field_visible: Visible
   field_default_assign_issues_to_me: Assign new issues to myself by default
   field_warn_on_leaving_unsaved: "Warn me when leaving a page with unsaved text"
+  field_reminder_days: Due issue email reminders
   field_issues_visibility: Issues visibility
   field_is_private: Private
   field_commit_logs_encoding: Commit messages encoding
@@ -671,6 +672,7 @@ en:
   label_less_than_ago: less than days ago
   label_more_than_ago: more than days ago
   label_ago: days ago
+  label_before: days before
   label_contains: contains
   label_not_contains: doesn't contain
   label_day_plural: days
@@ -1020,6 +1022,7 @@ en:
   text_issue_conflict_resolution_cancel: "Discard all my changes and redisplay %{link}"
   text_account_destroy_confirmation: "Are you sure you want to proceed?\nYour account will be permanently deleted, with no way to reactivate it."
   text_session_expiration_settings: "Warning: changing these settings may expire the current sessions including yours."
+  text_reminder_days: Leave blank for no reminders

   default_role_manager: Manager
   default_role_developer: Developer
diff --git a/test/fixtures/user_preferences.yml b/test/fixtures/user_preferences.yml
index 01e008d..674d7a7 100644
--- a/test/fixtures/user_preferences.yml
+++ b/test/fixtures/user_preferences.yml
@@ -17,6 +17,7 @@ user_preferences_001:
 user_preferences_002:
   others: |
     ---
+    :reminder_days: 42
     :my_page_layout:
       left:
       - latestnews