[Koha-bugs] [Bug 22436] add move or copy control field from or to subfield in MARC modification templates

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22436

--- Comment #1 from Fridolin SOMERS <fridolin.somers at biblibre.com> ---
I think the form checks could look like that :

# Check destination is filled
if
  to_field undefined
then
  "The destination should be filled."

# Control field does not need a subfield
if
  from_field is < 10 and from_subfield undefined
  or
  to_field is < 10 and to_subfield undefined
then
  "If the field is a control field, the subfield should be empty"

# Case source field is a control field
if
  from_field is < 10
then
  if
    to_field is >= 10 and to_subfield undefined
  then
    "If source field is a control field and destination is a regular field,
destination subfield must be filled."

# Case source field is a regular field
if
  from_field is >= 10
then
  if
    to_field is < 10 and from_subfield undefined
  then
    "If source field is a regular field and destination is a control field,
source subfield must be filled."
  if
    to_field is >= 10
    and
    (
    from_subfield defined and to_subfield undefined
    or
    from_subfield undefined and to_subfield defined
    )
  then
    "If source and destination fields are regular fields, both subfield values
should be filled or empty."

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