X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mailshears.git;a=blobdiff_plain;f=lib%2Fmv%2Fplugins%2Fagendav.rb;h=fc2a5d9da6572f17981385cd549ec56affa1e8f2;hp=4bf65834da5de2d071c664fee9d00bc826b6da15;hb=579a22471329c71552bcb4077a0590d60cdec784;hpb=80199942f91013b48ec65bd89b9890c07ff973f3

diff --git a/lib/mv/plugins/agendav.rb b/lib/mv/plugins/agendav.rb
index 4bf6583..fc2a5d9 100644
--- a/lib/mv/plugins/agendav.rb
+++ b/lib/mv/plugins/agendav.rb
@@ -15,22 +15,30 @@ class AgendavMv
   # Move the user *src* to *dst* within the Agendav database. This
   # should "rename" him in _every_ table where he is referenced.
   #
-  # This can fail is *src* does not exist, or if *dst* already exists
-  # before the move. It should also be an error if the destination
-  # domain doesn't exist. But Agendav doesn't know about domains, so
-  # we let that slide.
+  # This can fail if *dst* already exists before the move. It should
+  # also be an error if the destination domain doesn't exist. But
+  # Agendav doesn't know about domains, so we let that slide.
+  #
+  # If the source user doesn't exist, we do our best. AgenDAV has a
+  # "shares" table that isn't keyed on the username, but rather the
+  # principal URL. And its "prefs" table doesn't contain entries for
+  # users who have default preferences. As a result, we may need to
+  # perform some find/replaces in the "shares" table even if no
+  # corresponding user exists in the "prefs" table (which is how we
+  # tell if a user exists in AgenDAV). Thus it's not a fatal error if
+  # the *src* user doesn't exist.
   #
   # @param src [User] the source user to be moved.
   #
   # @param dst [User] the destination user being moved to.
   #
   def mv_user(src, dst)
-    raise NonexistentUserError.new(src.to_s()) if not user_exists(src)
     raise UserAlreadyExistsError.new(dst.to_s()) if user_exists(dst)
 
     connection = PG::Connection.new(@db_hash)
     begin
       # The "prefs" table uses the normal username as a key...
+      # This should be harmless if the source user does not exist.
       sql_query = 'UPDATE prefs SET username = $1 WHERE username = $2;'
       connection.query(sql_query, [dst.to_s(), src.to_s()])