dictionary error handling

src/dictionary.rs

@@ -1,5 +1,6 @@
 use rusqlite::Connection;
 use std::fs;
+use std::io::ErrorKind;
 
 use crate::db::get_db_path;
 
@@ -42,11 +43,27 @@ fn get_sym_pos_or_panic(path: &String, line: &str, sym: &str, line_number: usize
 
 fn read_and_parse(path: &String) -> Vec<DictionaryEntry> {
     let mut result: Vec<DictionaryEntry> = Vec::new();
-    let content = fs::read_to_string(path).unwrap();
+    let content = match fs::read_to_string(path) {
+        Ok(string) => string,
+        Err(kind) => match kind.kind() {
+            ErrorKind::NotFound => {
+                println!("No dictionary file found. Assuming it's empty. Perhaps, you want to download it from my git? https://git.foxarmy.org/leca/learn-hieroglyphs");
+                return Vec::new();
+            }
+            ErrorKind::PermissionDenied => {
+                println!("Permission denied while was trying to access the dictionary.txt file. Assuming it's empty");
+                return Vec::new();
+            }
+            _ => {
+                println!("Unexpected error. Can't load dictionary. Assuming it's empty");
+                return Vec::new();
+            },
+        },
+    };
 
     let content: Vec<&str> = content.split('\n').collect();
     for (line_number, line) in content.iter().enumerate() {
-        if line == &"" {
+        if *line == "" {
             continue;
         }
         let hieroglyph_start = get_sym_pos_or_panic(path, line, "(", line_number) + 1;