Retrieve translation fot item/page/app/lang

packages/app.spec.sql

@@ -199,12 +199,26 @@ CREATE OR REPLACE PACKAGE app AS
     -- Get user language
     --
     FUNCTION get_user_lang
-    RETURN users.lang_id%TYPE;
+    RETURN users.lang_id%TYPE
+    RESULT_CACHE;
 
 
 
     --
+    -- Translate page item
     --
+    FUNCTION get_translation (
+        in_name                 translations.name%TYPE,
+        in_page_id              translations.page_id%TYPE   := NULL,
+        in_app_id               translations.app_id%TYPE    := NULL,
+        in_lang                 users.lang_id%TYPE          := NULL
+    )
+    RETURN translations.value_en%TYPE;
+
+
+
+    --
+    -- Auth function to check if users account is active
     --
     FUNCTION is_active_user (
         in_user_id              users.user_id%TYPE          := NULL

packages/app.sql

@@ -232,6 +232,7 @@ CREATE OR REPLACE PACKAGE BODY app AS
 
     FUNCTION get_user_lang
     RETURN users.lang_id%TYPE
+    RESULT_CACHE
     AS
         out_lang                users.lang_id%TYPE;
     BEGIN
@@ -247,6 +248,39 @@ CREATE OR REPLACE PACKAGE BODY app AS
 
 
 
+    FUNCTION get_translation (
+        in_name                 translations.name%TYPE,
+        in_page_id              translations.page_id%TYPE   := NULL,
+        in_app_id               translations.app_id%TYPE    := NULL,
+        in_lang                 users.lang_id%TYPE          := NULL
+    )
+    RETURN translations.value_en%TYPE
+    AS
+        out_value               translations.value_en%TYPE;
+    BEGIN
+        SELECT
+            CASE COALESCE(in_lang, app.get_user_lang(), 'EN')
+                WHEN 'CZ' THEN  MIN(t.value_cz) KEEP (DENSE_RANK FIRST ORDER BY t.page_id DESC)
+                WHEN 'SK' THEN  MIN(t.value_sk) KEEP (DENSE_RANK FIRST ORDER BY t.page_id DESC)
+                WHEN 'PL' THEN  MIN(t.value_pl) KEEP (DENSE_RANK FIRST ORDER BY t.page_id DESC)
+                WHEN 'HU' THEN  MIN(t.value_hu) KEEP (DENSE_RANK FIRST ORDER BY t.page_id DESC)
+                ELSE            MIN(t.value_en) KEEP (DENSE_RANK FIRST ORDER BY t.page_id DESC) END
+        INTO out_value
+        FROM translations t
+        WHERE t.app_id      = COALESCE(in_app_id, app.get_app_id())
+            AND t.page_id   IN (0, COALESCE(in_page_id, app.get_page_id()))
+            AND t.name      = in_name;
+        --
+        RETURN out_value;
+    EXCEPTION
+    WHEN NO_DATA_FOUND THEN
+        -- app.log_warning() ?
+        -- create translation ?
+        RETURN NULL;
+    END;
+
+
+
     FUNCTION is_active_user (
         in_user_id              users.user_id%TYPE          := NULL
     )