Merge pull request #126 from omnivore-app/search-on-domain

Add the link domain to the search index

packages/db/migrations/0071.do.add_domain_to_search_index.sql

@@ -0,0 +1,37 @@
+-- Type: DO
+-- Name: add_domain_to_search_index
+-- Description: Add the site's domain to the search index
+
+BEGIN;
+
+CREATE OR REPLACE FUNCTION update_page_tsv() RETURNS trigger AS $$
+begin
+  new.tsv :=
+    setweight(to_tsvector('pg_catalog.english', coalesce(new.title, '')), 'A') ||
+    setweight(to_tsvector('pg_catalog.english', coalesce(new.author, '')), 'A') ||
+    setweight(to_tsvector('pg_catalog.english', coalesce(new.description,'')), 'A') ||
+    -- full hostname (eg www.omnivore.app)
+    setweight(to_tsvector('pg_catalog.english', coalesce(regexp_replace(new.url, '^((http[s]?):\/)?\/?([^:\/\s]+)((\/\w+)*\/)([\w\-\.]+[^#?\s]+)(.*)?(#[\w\-]+)?$', '\3'), '')), 'A') ||
+    -- secondary hostname (eg omnivore)
+    setweight(to_tsvector('pg_catalog.english', coalesce(regexp_replace(new.url, '^((http[s]?):\/)?\/?(.*\.)?([^:\/\s]+)(\..*)((\/+)*\/)?([\w\-\.]+[^#?\s]+)(.*)?(#[\w\-]+)?$', '\4'), '')), 'A') ||
+    setweight(to_tsvector('pg_catalog.english', coalesce(new.content,'')), 'B');
+  return new;
+end
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE TRIGGER article_tsv_update BEFORE INSERT OR UPDATE
+    ON omnivore.pages FOR EACH ROW EXECUTE PROCEDURE update_page_tsv();
+
+-- rename to page* since we aren't using Article naming anymore
+ALTER TRIGGER article_tsv_update ON omnivore.pages RENAME TO page_tsv_update;
+
+COMMIT;
+
+BEGIN;
+-- This will force all the text vectors to be 
+-- recreated.
+-- We need to do it in a separate transaction 
+-- block though, otherwise the trigger wont be
+-- executed on update.
+UPDATE omnivore.pages SET updated_at = NOW();
+COMMIT;

packages/db/migrations/0071.undo.add_domain_to_search_index.sql

@@ -0,0 +1,16 @@
+-- Type: UNDO
+-- Name: add_domain_to_search_index
+-- Description: Add the site's domain to the search index
+
+BEGIN;
+
+DROP TRIGGER IF EXISTS page_tsv_update ON omnivore.pages;
+DROP FUNCTION IF EXISTS update_page_tsv();
+
+CREATE OR REPLACE TRIGGER article_tsv_update BEFORE INSERT OR UPDATE
+    ON omnivore.pages FOR EACH ROW EXECUTE PROCEDURE
+    tsvector_update_trigger(
+    tsv, 'pg_catalog.english', content, title, description
+);
+
+COMMIT;