From 1ad0610f19384916f7a22b3ebae41359a18eade5 Mon Sep 17 00:00:00 2001
From: KKlochko <KKlochko@protonmail.com>
Date: Wed, 27 Mar 2024 17:08:41 +0200
Subject: [PATCH] Add a function to get an article by id.

---
 src/main/blog/db.cljs | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/main/blog/db.cljs b/src/main/blog/db.cljs
index c39a6a2..744ae20 100644
--- a/src/main/blog/db.cljs
+++ b/src/main/blog/db.cljs
@@ -27,7 +27,18 @@
     (try
       (let [res (<p! (. client query "select * from articles"))]
         (>! channel (.-rows res)))
-      (catch js/Error err (js/console.log (ex-cause err))))
-    )
+      (catch js/Error err (js/console.log (ex-cause err)))))
+  channel)
+
+(defn get-article
+  "Reads an article with the id and returns via channel. It gets and returns the same channel. Empty collection if not found."
+  [client id channel]
+  (go
+    (try
+      (let [res (<p! (.query client
+                             "select * from articles where id=$1"
+                             (cljs.core/clj->js [id])))]
+        (>! channel (.-rows res)))
+      (catch js/Error err (js/console.log (ex-cause err)))))
   channel)