added session helper

getCurrentSession.js

@@ -0,0 +1,88 @@
+
+import * as dotenv from "dotenv";
+
+import { createClient} from "@supabase/supabase-js";
+
+dotenv.config({ path: 'variables.env' });
+const supabase = createClient(
+  process.env.SUPABASE_URL,
+  process.env.SUPABASE_KEY
+);
+
+export async function getCurrentSession(req) {
+
+            const cookies = req.headers.cookie;
+            if (cookies == null) return { code: 1, error: "cookies error"};
+            const access_token = cookies.split('; ')[0].split('=')[1];
+
+            const refresh_token = cookies.split('; ')[1].split('=')[1];
+            const { sessionData, sessionError } = supabase.auth.setSession({
+                access_token,
+                refresh_token,
+            })
+
+            if (sessionError) {
+
+                console.error('session error', sessionError);
+
+                return { code: 1, error: "supabaseError"};
+
+            }
+
+            const {
+
+                data: { user },
+
+            } = await supabase.auth.getUser();
+        return { code:0, client: supabase};
+}
+
+export async function getAnimals(req, res) {
+  const session = await getCurrentSession(req);
+  if (session['code'] == 1) res.send(`error in session: ${session['error']}`);
+  else {
+    const supabaseInstance = session['client'];
+
+    if (error) res.send(`query error in supabase: ${error.message}`);
+    else {
+      res.set("Access-Control-Allow-Credentials", "true");
+      res.set("Access-Control-Allow-Origin", "http://localhost:5173");
+      res.status(200).json(data); 
+    } 
+  }
+}
+export async function getDataFrom(req, res, tableName, id = null) {
+  const {data, error} = await chooseData(supabase, tableName, id);
+  sendToClient(res, await data, await error);
+}
+
+export async function getAuthDataFrom(req, res, tableName, id = null) {
+  const session = await getCurrentSession(req);
+  if (session['code'] == 1) res.send(`error in session: ${session['error']}`);
+  else {
+    const supabaseInstance = session['client'];
+    const {data, error} = await chooseData(supabaseInstance, tableName, id);
+    sendToClient(res, await data, await error, true)
+  }
+}
+
+async function chooseData(supabaseInstance, tableName, id) {
+    if (id == null) {
+        return await supabaseInstance.from(tableName).select();
+    } else {
+        return await supabaseInstance.from(tableName).select().eq("id", id).single();
+    }
+}
+function sendToClient(res, data, error, isAuth = false)
+{
+
+    if (error) res.send(`query error in supabase: ${error.message}`);
+    else {
+        if (isAuth) {
+            res.set("Access-Control-Allow-Credentials", "true");
+            res.set("Access-Control-Allow-Origin", "http://localhost:5173");
+        }
+        res.status(200).json(data); 
+    } 
+}
+