X-Git-Url: http://git.shiar.net/sheet.git/blobdiff_plain/3d0e1e761a53934cfdadf6e7e28ced4ec6e603e3..HEAD:/tools/word.pg.sql

diff --git a/tools/word.pg.sql b/tools/word.pg.sql
index 31a117e..9f972dc 100644
--- a/tools/word.pg.sql
+++ b/tools/word.pg.sql
@@ -1,41 +1,96 @@
+CREATE TABLE login (
+	username   text        NOT NULL UNIQUE,
+	pass       text,
+	email      text,
+	fullname   text,
+	editlang   text[],
+	id         integer     NOT NULL PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY
+);
+
 CREATE TABLE word (
-	form       text        NOT NULL,
+	form       text,
 	alt        text[],
-	lang       text        NOT NULL DEFAULT 'eng',
+	lang       text                 DEFAULT 'en',
 	cat        integer              REFERENCES word (id),
 	ref        integer              REFERENCES word (id),
-	prio       smallint    NOT NULL DEFAULT '1',
+	prio       smallint             DEFAULT '1'
+	                                CHECK (prio >= 0 OR ref IS NOT NULL),
 	grade      integer,
 	cover      boolean     NOT NULL DEFAULT FALSE,
-	source     text,
-	thumb      text[],
+	image      jsonb                CHECK (image->>'source' ~ '^https?://'
+	                                   AND jsonb_typeof(image->'convert') = 'array'),
 	wptitle    text,
+	story      text,
+	creator    integer              REFERENCES login (id),
 	created    timestamptz          DEFAULT now(),
-	id         serial      NOT NULL PRIMARY KEY
+	updated    timestamptz,
+	id         integer     NOT NULL PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY
 );
 
 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 639-3 language code';
-COMMENT ON COLUMN word.cat        IS 'hierarchical classification';
-COMMENT ON COLUMN word.ref        IS 'reference to equivalent eng translation';
+COMMENT ON COLUMN word.lang       IS 'ISO 639 language code matching wikipedia subdomain';
+COMMENT ON COLUMN word.cat        IS 'primary 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.image      IS 'metadata of illustrations, including downloaded URI and ImageMagick convert options';
 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 TABLE kind (
+	word       integer     NOT NULL REFERENCES word (id),
+	cat        integer     NOT NULL REFERENCES word (id),
+	                                UNIQUE (word, cat),
+	truth      smallint    NOT NULL DEFAULT '50',
+	creator    integer              REFERENCES login (id),
+	created    timestamptz          DEFAULT now(),
+	updated    timestamptz,
+	id         integer     NOT NULL PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY
+);
+
+COMMENT ON COLUMN kind.truth      IS 'link validity ranging from 0 (never) to 100 (always)';
+
+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.image,   w.image  ) image,
+		coalesce(r.wptitle, w.wptitle) wptitle,
+		coalesce(r.story,   w.story  ) story,
+		r.creator, r.created, r.updated,
+		CASE WHEN nullif(r.image, '{}') IS NOT NULL THEN r.id
+		     WHEN nullif(w.image, '{}') IS NOT NULL THEN w.id END id -- image id
+	FROM word r
+	LEFT JOIN word w ON w.id = r.ref;
 
-CREATE OR REPLACE FUNCTION exportform(word) RETURNS text AS $$
-	SELECT concat(
-		$1.prio || CASE WHEN $1.cover THEN 'c' ELSE '' END || ':',
-		array_to_string($1.form || $1.alt, '/')
-	);
-$$ LANGUAGE SQL IMMUTABLE;
+CREATE OR REPLACE VIEW _word_tree AS
+	WITH RECURSIVE r AS (
+		SELECT w.ref, w.lang, w.cat, w.grade, w.form, NULL::int trans
+		FROM _word_ref w
+	UNION ALL
+		SELECT r.ref, r.lang, w.cat,
+			CASE WHEN w.lang=r.lang OR t.lang=r.lang THEN r.grade ELSE w.grade END,
+			CASE WHEN w.lang=r.lang OR t.lang=r.lang THEN r.form ELSE w.form END,
+			CASE WHEN w.lang=r.lang OR t.lang=r.lang THEN w.id END
+		FROM r JOIN word w ON w.id = r.cat
+		  LEFT JOIN word t ON w.id = t.ref AND t.lang = r.lang
+		WHERE r.trans IS NULL
+	)
+	SELECT ref, lang, trans cat, grade, form FROM r WHERE trans IS NOT NULL
+		ORDER BY cat, grade, form, 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);
+CREATE OR REPLACE VIEW _word AS
+	SELECT
+		(SELECT array_agg(coalesce(ref, id)) FROM _word_tree
+			WHERE cat = w.ref AND lang = w.lang) sub,
+		w.*
+	FROM _word_ref w
+	;