url scheme done, switch between apps and orgs mostly done

server/db/model/network.js

@@ -12,7 +12,8 @@ export default class Network  {
         id: z.number(),
         name: z.string(),
         apps: z.array(z.string()),
-        logo: z.string()
+        logo: z.string(),
+        abbreviation: z.string()
     })
     .strict()
 

server/index.js

@@ -97,9 +97,14 @@ class Server {
             });
             return match ? path.join(dir, match) : null;
         }
-        let filePath = getFileByNumber(path.join(this.DBPath, "images"), path.basename(req.url))
 
-        res.sendFile(filePath)
+        let filePath = path.join(this.DBPath, "images", path.basename(req.url))
+
+        if(filePath) {
+            res.sendFile(filePath)
+        } else {
+            return res.status(404).json({error: "Can't find image"})
+        }
     }
 
     get = async (req, res) => {