X-Git-Url: http://git.shiar.net/sheet.git/blobdiff_plain/89052f1b0f9c404f8c4a5183276fdbcfbbf38b80..0f67fe4500b7d99e30ed2b1a2810989915dab548:/tools/word.pg.sql

diff --git a/tools/word.pg.sql b/tools/word.pg.sql
index 8a5fec6..ec552c9 100644
--- a/tools/word.pg.sql
+++ b/tools/word.pg.sql
@@ -1,13 +1,75 @@
+CREATE TABLE login (
+	username   text        NOT NULL UNIQUE,
+	pass       text,
+	email      text,
+	fullname   text,
+	editlang   text[],
+	id         serial      NOT NULL PRIMARY KEY
+);
+
 CREATE TABLE word (
 	form       text        NOT NULL,
+	alt        text[],
+	lang       text        NOT NULL DEFAULT 'en',
 	cat        integer              REFERENCES word (id),
-	source     text,
+	ref        integer              REFERENCES word (id),
+	prio       smallint             DEFAULT '1'
+	                                CHECK (prio >= 0 OR ref IS NOT NULL),
+	grade      integer,
+	cover      boolean     NOT NULL DEFAULT FALSE,
+	source     text                 CHECK (source ~ '^https?://'),
 	thumb      text[],
+	wptitle    text,
+	story      text,
+	creator    integer              REFERENCES login (id),
 	created    timestamptz          DEFAULT now(),
+	updated    timestamptz,
 	id         serial      NOT NULL PRIMARY KEY
 );
 
 COMMENT ON COLUMN word.form       IS 'preferred textual representation';
+COMMENT ON COLUMN word.alt        IS 'alternate forms with equivalent meaning';
+COMMENT ON COLUMN word.lang       IS 'ISO 639 language code matching wikipedia subdomain';
 COMMENT ON COLUMN word.cat        IS 'hierarchical classification';
+COMMENT ON COLUMN word.ref        IS 'reference to equivalent en translation';
+COMMENT ON COLUMN word.prio       IS 'difficulty level or importance; lower values have precedence';
+COMMENT ON COLUMN word.grade      IS 'ascending hierarchical order, preceding default alphabetical';
+COMMENT ON COLUMN word.cover      IS 'highlight if selected';
 COMMENT ON COLUMN word.source     IS 'URI of downloaded image';
 COMMENT ON COLUMN word.thumb      IS 'ImageMagick convert options to create thumbnail from source image';
+COMMENT ON COLUMN word.wptitle    IS 'reference Wikipedia article';
+COMMENT ON COLUMN word.story      IS 'paragraph defining or describing the entity, wikipedia intro';
+COMMENT ON COLUMN word.updated    IS 'last significant change';
+COMMENT ON COLUMN word.creator    IS 'user responsible for initial submit';
+
+CREATE OR REPLACE FUNCTION exportform(word) RETURNS text AS $$
+	SELECT concat(
+		$1.id, ':',
+		$1.prio, CASE WHEN $1.cover THEN 'c' ELSE '' END, ':',
+		array_to_string($1.form || $1.alt, '/')
+	);
+$$ LANGUAGE SQL IMMUTABLE;
+
+CREATE OR REPLACE VIEW _word_ref AS
+	SELECT
+		r.form, r.alt, r.lang,
+		coalesce(r.cat,     w.cat    ) cat, --TODO translate w?
+		coalesce(r.ref,     r.id     ) "ref",
+		coalesce(r.prio,    w.prio   ) prio,
+		coalesce(r.grade,   w.grade  ) grade,
+		coalesce(r.cover,   w.cover  ) cover,
+		coalesce(r.source,  w.source ) source,
+		coalesce(r.thumb,   w.thumb  ) thumb,
+		coalesce(r.wptitle, w.wptitle) wptitle,
+		coalesce(r.story,   w.story  ) story,
+		r.creator, r.created, r.updated,
+		CASE WHEN r.source IS NULL THEN w.id ELSE r.id END id -- image id
+	FROM word r
+	LEFT JOIN word w ON w.id = r.ref;
+
+CREATE OR REPLACE VIEW _cat_words AS
+	SELECT exportform(word.*) form, sub.*, word.lang, word.ref
+	FROM word RIGHT JOIN (
+		SELECT cat id, array_agg(exportform(word.*) ORDER BY grade, form) forms
+			FROM word WHERE ref IS NULL GROUP BY cat
+	) sub USING (id);