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authorhukl <contact@smyck.org>2010-01-14 22:21:43 +0100
committerhukl <contact@smyck.org>2010-01-14 22:21:43 +0100
commit57d1382013c85a7b11ac8ce5e683f6006b12b328 (patch)
tree19646c4fa5952fa1cf0a2c874952affa346373f1 /vendor/plugins/globalize2/notes.textile
parent1b86bf5f2e35d1820bfa32d979bcc2d9ff9a9a8e (diff)
Updated globalize2 to latest version. Modified existing code accoringly
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1Stopped DB Backend in the middle, here's where we left off:
2
3h1. Some Notes
4
5* Started doing the migration generator in generators/db_backend.rb
6* Translation keys will be in dotted string format
7* Question: Do we need a plural_key column, or can we build it in to the dotted key?
8* We will probably have to code the following methods from scratch, to optimize db calls:
9** translate
10** localize
11** pluralize
12* We should refactor @interpolation@ code so that it can be included into backend code without inheriting SimpleBackend
13** Rationale: interpolation is something done entirely after a string is fetched from the data store
14** Alternately, it could be done from within the I18n module
15
16h1. Schema
17
18There will be two db tables.
19
20# globalize_translations will have: locale, key, translation, created_at, updated_at.
21# globalize_translations_map will have: key, translation_id.
22
23globalize_translations_map will let us easily fetch entire sub-trees of namespaces.
24However, this table may not be necessary, as it may be feasible to just use key LIKE "some.namespace.%".
25
26h1. Caching
27
28We'll almost certainly want to implement caching in the backend. Should probably be a customized
29implementation based on the Rails caching mechanism, to support memcached, etc.
30
31h1. Queries
32
33We'll want to pull in lots of stuff at once and return a single translation based on some
34quick Ruby selection. The query will look something like this:
35
36<pre>
37<code>
38SELECT * FROM globalize_translations
39WHERE locale in (<fallbacks>) AND
40key IN (key, default_key)
41</code>
42</pre>
43
44The Ruby code would then pick the first translation that satisfies a fallback, in fallback order.
45Of course, the records with the supplied key would take precedence of those with the default key.
46
47h1. Misc
48
49We should revisit the :zero plural code. On the one hand it's certainly useful for
50many apps in many languages. On the other hand it's not mentioned in CLDR, and not a real
51concept in language pluralization. Right now, I'm feeling it's still a good idea to keep it in.