1 files changed, 38 insertions, 0 deletions
diff --git a/sql/functions/contact.mark_contact_us_post.sql b/sql/functions/contact.mark_contact_us_post.sql
new file mode 100644
index 0000000..7bcc001
--- /dev/null
+++ b/sql/functions/contact.mark_contact_us_post.sql
@@ -0,0 +1,38 @@
+drop function contact.mark_contact_us_post (
+    p_contact_us_post_id int,
+    p_user_id int,
+    p_read_p bool
+);
+
+create or replace function contact.mark_contact_us_post (
+    p_contact_us_post_id int,
+    p_user_id int,
+    p_read_p bool
+)
+returns void
+as $$
+declare
+  l_id bigint;
+begin
+    if(p_read_p) then
+        select id into l_id
+        from contact.contact_us_posts_read
+        where contact_us_post_id = p_contact_us_post_id
+            and user_id = p_user_id;
+
+        if(l_id is null) then
+            insert into contact.contact_us_posts_read (
+                contact_us_post_id,
+                user_id
+            ) values (
+                p_contact_us_post_id,
+                p_user_id
+            );
+        end if;
+    else
+        delete from contact.contact_us_posts_read
+        where contact_us_post_id = p_contact_us_post_id
+            and user_id = p_user_id;
+    end if;
+end;
+$$ language plpgsql;