feat: start impliment postgres hooks

lib/hook/sql/hectic-secret.sql

@@ -0,0 +1,51 @@
+CREATE TABLE IF NOT EXISTS "hectic"."secret" (
+    "id"     SERIAL PRIMARY KEY,
+    "key"    TEXT   UNIQUE NOT NULL,
+    "value"  TEXT          NOT NULL
+);
+
+CREATE OR REPLACE FUNCTION "hectic"."load_secrets_from_env"(env_content TEXT)
+RETURNS void
+LANGUAGE plpgsql AS $fn$
+DECLARE
+    line TEXT;
+    k    TEXT;
+    v    TEXT;
+BEGIN
+    TRUNCATE TABLE "hectic"."secret";
+
+    FOR line IN
+        SELECT regexp_split_to_table(env_content, E'\n')
+    LOOP
+        line := btrim(line);
+
+        IF line = '' OR line LIKE '#%' THEN
+            CONTINUE;
+        END IF;
+
+        k := split_part(line, '=', 1);
+        v := substring(line FROM position('=' IN line) + 1);
+
+        k := btrim(k);
+        v := btrim(v);
+
+        IF v ~ '^".*"$' OR v ~ '^''.*''$' THEN
+            v := substring(v FROM 2 FOR char_length(v) - 2);
+        END IF;
+
+        INSERT INTO "hectic"."secret" ("key", "value") VALUES (k, v);
+    END LOOP;
+END
+$fn$;
+
+CREATE OR REPLACE FUNCTION "hectic"."get_secret"(k TEXT)
+RETURNS TEXT
+LANGUAGE plpgsql AS $fn$
+BEGIN
+    RETURN (
+        SELECT "value"
+        FROM "hectic"."secret"
+        WHERE "key" = k
+    );
+END
+$fn$;