install praytime play cmd on regular user crontab to ovoid gst processing multiple sound issues on /etc/cron.d/praytime file

config/praytime.ini

@@ -30,5 +30,7 @@ isha                     =
 [Cron]
 # timings updating time
 time                     = 00:00
-# cron file
+# crontab user playing adhan
+user                     = a-sansara
+# crontab update time - root required
 path                     = /etc/cron.d/praytime

src/Pluie.PrayTime.vala

@@ -188,7 +188,7 @@ class Pluie.PrayTime : GLib.Object
         int    status;
         try {
             Process.spawn_command_line_sync (
-                "curl "+url, 
+                "curl "+url,
                 out response,
                 out std_error,
                 out status
@@ -199,20 +199,98 @@ class Pluie.PrayTime : GLib.Object
         return response;
     }
 
+
+    private int get_user_crontab_content (string user, out string response)
+    {
+        stdout.printf("getting %s crontab content\n", user);
+        int    status;
+        string std_error;
+        try {
+            Process.spawn_command_line_sync (
+                "crontab -l -u "+user,
+                out response,
+                out std_error,
+                out status
+            );
+        } catch (SpawnError e) {
+            stderr.printf ("%s\n", e.message);
+        }
+        return status;
+    }
+
+
+    private int install_user_crontab (string user, string path)
+    {
+        int    status;
+        string std_error;
+        string response;
+        try {
+            Process.spawn_command_line_sync (
+                "crontab %s %s".printf (path, user), 
+                out response,
+                out std_error,
+                out status
+            );
+        } catch (SpawnError e) {
+            stderr.printf ("%s\n", e.message);
+        }
+        stdout.printf ("install crontab %s :\n%s\n", user, response);
+        return status;
+    }
+
+
+    private string? get_user_crontab (ref string user, ref string content)
+    {
+        string data = "";
+        string udata;
+        try {
+            if (this.get_user_crontab_content (user, out udata) == 0) {
+                var regex = new Regex (Path.build_filename (this.bin, "praytime").escape ());
+                foreach (string line in udata.split ("\n")) {
+                    if (!regex.match (line) && line != "") {
+                        data += line + "\n";
+                    }
+                }
+                data += "\n" + content + "\n";
+            }
+        }
+        catch (RegexError e) {
+            data = null;
+            stdout.printf ("Error %s\n", e.message);
+        }
+        stdout.printf ("crontab %s content :\n%s\n", user, data);
+        return data;
+    }
+
+
     private void set_cron (GLib.DateTime date)
     {
         try {
-            string   bin       = "root "+Path.build_filename(this.bin, "praytime");
+            string   bin       = Path.build_filename(this.bin, "praytime");
             string   cron_path = this.get_config ("path", "Cron");
+            string   user      = this.get_config ("user", "Cron");
             string[] update    = this.get_config ("time", "Cron").split (":", 2);
-            string   content   = "# %s\n%d %d * * * %s %s\n".printf (date.format ("%c"), int.parse (update[1]), int.parse(update[0]) , bin, "cron");
+            string   content   = "# %s\n%d %d * * * root %s cron\n".printf (date.format ("%c"), int.parse (update[1]), int.parse (update[0]) , bin);
-            KeyFile k = this.load_config ("praytime.daily.ini");
-            foreach (string pray in PrayTime.PRAYLIST) {
-                string[] time = k.get_string ("Praytime", pray.down ()).split (":", 2);
-                content += "%s %s * * * %s %s %s\n".printf (time[1], time[0] , bin, "play", pray); 
-            }
             bool done = FileUtils.set_contents (cron_path, content);
             stdout.printf ("\n updating %s : %s\n", cron_path, done ? "ok" : "ko");
+            if (done) {
+                KeyFile k = this.load_config ("praytime.daily.ini");
+                content   = "# > autogenerated by %s %s\n".printf(bin, date.format ("%c"));
+                string[] time = null;
+                foreach (string pray in PrayTime.PRAYLIST) {
+                    time     = k.get_string ("Praytime", pray.down ()).split (":", 2);
+                    content += "%s %s * * * sh -c \"DISPLAY=:0 %s play %s\"\n".printf (time[1], time[0] , bin, pray);
+                }
+                content  += "# < autogenerated by %s\n".printf(bin);
+                cron_path = Path.build_filename (Environment.get_tmp_dir (), "praytime.crontab");
+                content   = this.get_user_crontab (ref user, ref content);
+                if (content != null) {
+                    if (FileUtils.set_contents (cron_path, content)) {
+                        this.install_user_crontab (user, cron_path);
+                        stdout.printf ("\n updating crontab %s : %s\n", user, done ? "ok" : "ko");
+                    }
+                }
+            }
         }
         catch (GLib.KeyFileError e) {
             this.on_error (e.message);