Do not support name values for user/assignee flags (#8)

API v3 currently only supports numeric ID and `me` as values for `user`
and `assignee` filters.

Author: myabc

cmd/list/work_packages_flags.go

@@ -6,7 +6,7 @@ func initWorkPackagesFlags() {
 		"assignee",
 		"a",
 		"",
-		"Assignee of the work package (can be name, ID or 'me')",
+		"Assignee of the work package (can be ID or 'me')",
 	)
 
 	workPackagesCmd.Flags().Uint64VarP(

components/resources/time_entries/filters/user.go

@@ -11,10 +11,9 @@ import (
 )
 
 // validates the value is one or more of the following - separated by commas
-// - a valid login (see https://github.com/opf/openproject/blob/dev/app/models/user.rb#L135)
 // - a numeric id
 // - me
-const validValueRegexp = `^([\pL0-9_\-@.+ ]+|[0-9]+|me)(,([\pL0-9_\-@.+ ]+|[0-9]+|me))*$`
+const validValueRegexp = `^([0-9]+|me)(,([0-9]+|me))*$`
 
 type UserFilter struct {
 	value string
@@ -37,7 +36,7 @@ func (f *UserFilter) ShortHand() string {
 }
 
 func (f *UserFilter) Usage() string {
-	return `User the time entry tracks expenditures for (can be name, ID or 'me')`
+	return `User the time entry tracks expenditures for (can be ID or 'me')`
 }
 
 func (f *UserFilter) ValidateInput() error {