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migrate-categories.tcl

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Wednesday 11 Sep 2013
9:23 am

gustafn

- replace deprecated calls

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Friday 12 Apr 2013
6:12 pm

gustafn

- added victor's patch to omit deprecated messages of "ns_info tcllib". Background: naviserver supports multiple (virtual) servers, which might have different tcllibs. Therefore, the preferred command to query this was moved to "ns_server ?-server s? tcllib" and "ns_info tcllib" was deprecated. From the OpenACS point of view, one wants to locate the actual library. Since the variable does not change, it is fine to store it in a per-thread variable which can be efficiently accessed.

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Monday 16 Oct 2006
5:21 pm

maltes

Made larsblogger use HTML notifications

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Tuesday 08 Aug 2006
11:26 pm

donb

First shot at merging oacs-5-2 apps used in .LRN to HEAD.

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Saturday 24 Sep 2005
3:08 am

victorg

commit to OACS-5-2 merge of changes on OACS-5-1

(using tag vg-merge-dotlrn-2-1-20050922) for packages under dotlrn-all

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Wednesday 20 Apr 2005
4:27 pm

maltes

I18N Fixes

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Friday 20 Feb 2004
6:43 am

bdolicki

Commiting integration of Site Wide Categories into Weblogger. While

implementing this I've also fixed numerous random bugs.

Some comments off the top of my head regarding this implementation:

* Weblogger currently doesn't take advantage of nested categories. You

can use trees that are nested but categories in those trees are

treated as if they were all flat.

* I've provided a migration script from old to new categories. The

script just copies data and doesn't delete anything. It is written

in Tcl so that it can take advantage of the APIs.

* I left the legacy categories in system. There are several reasons

for that:

- Site-Wide categories don't have short names and thus speaking

URLs are not implemented. Some people might prefer to keep

speaking URLs, especially if they don't want to break them

after migration

- Blogger-specific categories are simpler and thus easier to use.

- Having both solutions available for a while makes transition less

painful.

* I had lots of problems with Oracle port. At first I thought just

that it is slightly instable because we are working on HEAD and

categories are in flux... Only after having fixed a lot of bugs I

realized that LEGACY CATEGOIRIES NEVER WORKED IN ORACLE. At that

point it was easier to make them actually work in oracle :-)

* Actually it seems that the whole Weblogger never worked in Oracle, I

was fixing bugs such as broken filtering by date (because Oracle's

trunc() uses different format strings from PostgreSQL's date_trunc()

etc. etc.

* Juggling pieces of Tcl from .tcl to .xql (via variable and command

substitution) and pieces of SQL from .xql to .tcl (via db_map) was

fun :-)

* Implementing nested multirows (to show all categories one object is

in), in combination with included templates thought me a lot about

the templating system. One of the lessons: <multirow name="@foo@">

with variable could actually work if a bunch of bugs with variable

substitution were fixed in templating system. Until then using:

template::multirow -local -ulevel 1 upvar $foo myfoo will be

necessary.

* Some extensions for db_multirow, <multiple> and friends to support

grouping and tables-within-tables would be really useful. I didn't

dare do such large-scale hacks on db_multirow

* one-entry{tcl,adp} should be replaced with blog{tcl,adp} - after all

getting one entry is just a special case of getting many entries.

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