feat(server): SQL error handling

server/events.lua

@@ -20,6 +20,20 @@ end)
 
 -- Player Connecting
 
+local databaseConnected = false
+local bansTableExists = false
+MySQL.Ready(function()
+    databaseConnected = true
+
+    local DatabaseInfo = QBCore.Functions.GetDatabaseInfo()
+    if not DatabaseInfo or not DatabaseInfo.exists then return end
+    
+    local result = MySQL.query.await('SELECT * FROM information_schema.tables WHERE table_schema = "%s" AND table_name = "bans";', {DatabaseInfo.database})
+    if result and result[1] then
+        bansTableExists = true
+    end
+end)
+
 local function onPlayerConnecting(name, _, deferrals)
     local src = source
     deferrals.defer()
@@ -28,6 +42,10 @@ local function onPlayerConnecting(name, _, deferrals)
         return deferrals.done(QBCore.Config.Server.ClosedReason)
     end
 
+    if not databaseConnected then
+        return deferrals.done(Lang:t('error.connecting_database_error'))
+    end
+
     if QBCore.Config.Server.Whitelist then
         Wait(0)
         deferrals.update(string.format(Lang:t('info.checking_whitelisted'), name))
@@ -49,6 +67,10 @@ local function onPlayerConnecting(name, _, deferrals)
     Wait(0)
     deferrals.update(string.format(Lang:t('info.checking_ban'), name))
 
+    if not bansTableExists then
+        return deferrals.done(Lang:t('error.ban_table_not_found'))
+    end
+
     local success, isBanned, reason = pcall(QBCore.Functions.IsPlayerBanned, src)
     if not success then return deferrals.done(Lang:t('error.connecting_database_error')) end
     if isBanned then return deferrals.done(reason) end