From 191146da4b579430e3f855a4b0d28dfc91fbc25e Mon Sep 17 00:00:00 2001
From: Augusto Gunsch <augustogunsch@tutanota.com>
Date: Sun, 9 Jan 2022 08:43:18 -0300
Subject: [PATCH] Make fancy permission denied error

---
 src/database.rs | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/database.rs b/src/database.rs
index 5afce7f..dfcae30 100644
--- a/src/database.rs
+++ b/src/database.rs
@@ -1,8 +1,10 @@
 use std::fs;
 use std::io::ErrorKind;
+use std::process::exit;
 
 use reqwest;
-use rusqlite::{Connection, Transaction};
+use rusqlite::{Connection, Transaction, ErrorCode};
+use rusqlite::Error::SqliteFailure;
 use rusqlite::params;
 use serde_json::Value;
 use serde_json::json;
@@ -36,7 +38,20 @@ impl WordDb {
         let mut conn = self.connect();
         let transaction = conn.transaction().unwrap();
 
-        transaction.execute(&format!("DROP TABLE IF EXISTS {0}_words", &lang.code), []).unwrap();
+        if let Err(e) = transaction.execute(&format!("DROP TABLE IF EXISTS {0}_words", &lang.code), []) {
+            match e {
+                SqliteFailure(f, _) => match f.code {
+                        ErrorCode::ReadOnly => {
+                        eprintln!("Could not write to database: Permission denied");
+                        eprintln!("Please run as root");
+                        exit(1);
+                    },
+                    _ => panic!("{}", e)
+                },
+                _ => panic!("{}", e)
+            }
+        }
+
         transaction.execute(&format!("DROP TABLE IF EXISTS {0}_types", &lang.code), []).unwrap();
 
         transaction.execute(&format!("