fixes for locales, improvements, more logging, stub cs translation

src/store/common_config.rs

@@ -1,9 +1,12 @@
 use std::collections::HashMap;
+use crate::store::DEFAULT_LOCALE_NAME;
 use crate::tr::TranslationTable;
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(default, deny_unknown_fields)]
 pub struct CommonConfig {
+    pub groups_dir: String,
+    pub locales_dir: String,
     /// Max number of missed notifs to process after connect
     pub max_catchup_notifs: usize,
     /// Max number of missed statuses to process after connect
@@ -31,6 +34,8 @@ pub struct CommonConfig {
 impl Default for CommonConfig {
     fn default() -> Self {
         Self {
+            groups_dir: "groups".to_string(),
+            locales_dir: "locales".to_string(),
             max_catchup_notifs: 30,
             max_catchup_statuses: 50,
             delay_fetch_page_s: 0.25,
@@ -43,3 +48,12 @@ impl Default for CommonConfig {
         }
     }
 }
+
+impl CommonConfig {
+    pub fn tr(&self, lang : &str) -> &TranslationTable {
+        match self.tr.get(lang) {
+            Some(tr) => tr,
+            None => self.tr.get(DEFAULT_LOCALE_NAME).expect("default locale is not loaded")
+        }
+    }
+}