fix: when download abort then continue last time

lua/Trans/core/conf.lua

@@ -5,7 +5,7 @@
 ---@class TransConf
 return {
     ---@type string the directory for database file and password file
-    dir      = require 'Trans'.relative_path({ 'extra' }, true),
+    dir      = require 'Trans'.plugin_dir,
     debug    = true,
     ---@type 'default' | 'dracula' | 'tokyonight' global Trans theme [see lua/Trans/style/theme.lua]
     theme    = 'default', -- default | tokyonight | dracula

lua/Trans/core/curl.lua

@@ -18,18 +18,19 @@ local curl = {}
 ---Send a GET request use curl
 ---@param uri string uri for request
 ---@param opts
----| { query?: table<string, string>, output?: string, headers?: table<string, string>, callback: fun(result: RequestResult) }
+---| { query?: table<string, string>, output?: string, headers?: table<string, string>, callback: fun(result: RequestResult), extra?: string[] }
 function curl.get(uri, opts)
     local query    = opts.query
     local output   = opts.output
     local headers  = opts.headers
     local callback = opts.callback
+    local extra    = opts.extra
 
 
     -- INFO :Init Curl command with {s}ilent and {G}et
-    local cmd  = { 'curl', '-GLs', uri }
+    local cmd  = vim.list_extend({ 'curl', '-GLs', uri }, extra or {})
     local size = #cmd
-    local function insert(value)
+    local function add(value)
         size = size + 1
         cmd[size] = value
     end
@@ -37,20 +38,20 @@ function curl.get(uri, opts)
     -- INFO :Add headers
     if headers then
         for k, v in pairs(headers) do
-            insert(('-H %q: %q'):format(k, v))
+            add(('-H %q: %q'):format(k, v))
         end
     end
 
     -- INFO :Add arguments
     if query then
         for k, v in pairs(query) do
-            insert(('--data-urlencode %q=%q'):format(k, v))
+            add(('--data-urlencode %q=%q'):format(k, v))
         end
     end
 
     -- INFO :Store output to file
     if output then
-        insert(('-o %q'):format(output))
+        add(('-o %q'):format(output))
     end
 
     -- INFO : Start a job

lua/Trans/core/install.lua

@@ -2,11 +2,11 @@
 ---@field install fun() Download database and tts dependencies
 return function()
     local Trans = require 'Trans'
+    local fn = vim.fn
     -- INFO :Check ultimate.db exists
     local dir = Trans.conf.dir
     local path = dir .. 'ultimate.db'
 
-    local fn = vim.fn
     if fn.isdirectory(dir) == 0 then
         fn.mkdir(dir, 'p')
     end
@@ -16,14 +16,10 @@ return function()
         return
     end
 
-    vim.notify('Trying to download database', vim.log.INFO)
-
     -- INFO :Download ultimate.db
     local uri = 'https://github.com/skywind3000/ECDICT-ultimate/releases/download/1.0.0/ecdict-ultimate-sqlite.zip'
     local zip = dir .. 'ultimate.zip'
-
-    if fn.filereadable(zip) then os.remove(zip) end
-
+    local continue = fn.filereadable(zip) == 1
     local handle = function(output)
         if output.exit == 0 and fn.filereadable(zip) then
             if fn.executable 'unzip' == 0 then
@@ -44,11 +40,16 @@ return function()
         vim.notify(debug_message, vim.log.ERROR)
     end
 
+
     Trans.curl.get(uri, {
-        output = zip,
-        callback = handle,
+        output    = zip,
+        callback  = handle,
+        extra     = continue and { '-C', '-' } or nil,
     })
 
+    local message = continue and 'Continue download database' or 'Begin to download database'
+    vim.notify(message, vim.log.levels.INFO)
+
     -- INFO : Install tts dependencies
     if fn.has 'linux' == 0 and fn.has 'mac' == 0 then
         os.execute 'cd ./tts && npm install'

lua/Trans/init.lua

@@ -19,7 +19,7 @@ end
 ---@field play function @Use tts to play string
 
 
-local separator = vim.loop.os_uname().sysname == 'Windows' and '\\' or '/'
+local sep = vim.loop.os_uname().sysname == 'Windows' and '\\' or '/'
 ---@class Trans
 ---@field style table @Style module
 ---@field cache table<string, TransData> @Cache for translated data object
@@ -28,8 +28,8 @@ local separator = vim.loop.os_uname().sysname == 'Windows' and '\\' or '/'
 local M = metatable('core', {
     cache      = {},
     style      = metatable 'style',
-    plugin_dir = debug.getinfo(1, 'S').source:sub(2):match('(.-)lua' .. separator .. 'Trans'),
-    separator  = separator,
+    plugin_dir = debug.getinfo(1, 'S').source:sub(2):match('(.-)lua' .. sep .. 'Trans'),
+    separator  = sep,
 })
 
 M.metatable = metatable
@@ -39,7 +39,7 @@ M.metatable = metatable
 ---@param is_dir boolean?
 ---@return string
 function M.relative_path(path, is_dir)
-    return M.plugin_dir .. table.concat(path, separator) .. (is_dir and separator or '')
+    return M.plugin_dir .. table.concat(path, sep) .. (is_dir and sep or '')
 end
 
 return M