refactor: use install.lua instead of install.sh

lua/Trans/backend/offline.lua

@@ -13,7 +13,8 @@ vim.api.nvim_create_autocmd('VimLeavePre', {
 M.query = function(data)
     if data.is_word == false or data.from == 'zh' then return end
 
-    data.path        = vim.fn.expand(data.path or require('Trans').conf.dir .. '/ultimate.db')
+
+    data.path        = data.path or require('Trans').conf.dir .. '/ultimate.db'
     data.engine      = 'offline'
     data.formatter   = data.formatter or M.formatter
     data.query_field = data.query_field or M.query_field
@@ -22,10 +23,10 @@ M.query = function(data)
     local dict    = db:open(data.path)
     local db_name = data.db_name or 'stardict'
     local res     = dict:select(db_name, {
-            where = { word = data.str, },
-            keys = data.query_field,
-            limit = 1,
-        })[1]
+        where = { word = data.str, },
+        keys = data.query_field,
+        limit = 1,
+    })[1]
 
     if res then
         data.result = data.formatter(res)
@@ -89,16 +90,16 @@ local formatter = {
     exchange = function(res)
         if not exist(res.exchange) then return end
         local exchange_map = {
-                ['p'] = '过去式      ',
-                ['d'] = '过去分词    ',
-                ['i'] = '现在分词    ',
-                ['r'] = '比较级      ',
-                ['t'] = '最高级      ',
-                ['s'] = '复数        ',
-                ['0'] = '原型        ',
-                ['1'] = '类别        ',
-                ['3'] = '第三人称单数',
-                ['f'] = '第三人称单数',
+            ['p'] = '过去式      ',
+            ['d'] = '过去分词    ',
+            ['i'] = '现在分词    ',
+            ['r'] = '比较级      ',
+            ['t'] = '最高级      ',
+            ['s'] = '复数        ',
+            ['0'] = '原型        ',
+            ['1'] = '类别        ',
+            ['3'] = '第三人称单数',
+            ['f'] = '第三人称单数',
         }
 
         local exchange = {}

lua/Trans/core/conf.lua

@@ -60,7 +60,7 @@ return {
         -- no = '❌'
     },
     theme = 'default',
-    dir = '$HOME/.vim/dict',
+    dir = vim.fn.expand('$HOME/.vim/dict'),
     -- float = {
     --     width = 0.8,
     --     height = 0.8,

lua/Trans/core/install.lua

@@ -0,0 +1,42 @@
+return function()
+    -- INFO :Chceck ultimate.db exists
+    local dir = require('Trans').conf.dir
+    local path = dir .. '/ultimate.db'
+    if vim.fn.filereadable(path) == 1 then
+        vim.notify('Database already exists', vim.log.WARN)
+        return
+    else
+        vim.notify('Trying to download database', vim.log.INFO)
+    end
+
+
+    -- INFO :Download ultimate.db
+    local uri = 'https://github.com/skywind3000/ECDICT-ultimate/releases/download/1.0.0/ecdict-ultimate-sqlite.zip'
+    local loc = dir .. '/ultimate.zip'
+    require('plenary.curl').get(uri, {
+        output = loc,
+        callback = function(output)
+            if output.exsit == 0 and output.status == 200 then
+                if vim.fn.executable('unzip') == 0 then
+                    vim.notify('unzip not found, Please unzip ' .. loc .. 'manually', vim.log.ERROR)
+                    return
+                end
+
+                local cmd = string.format('unzip %s -d %s', path, dir)
+                os.execute(cmd)
+                os.remove(path)
+
+                vim.notify('Download database successfully', vim.log.INFO)
+                return
+            end
+
+            local debug_message = 'Download database failed:' .. vim.inspect(output)
+            vim.notify(debug_message, vim.log.ERROR)
+        end,
+    })
+
+    -- INFO : tts dependencies
+    if vim.fn.has('linux') == 0 and vim.fn.has('mac') == 0 then
+        os.execute('cd ./tts/ && npm install')
+    end
+end

lua/Trans/health.lua

@@ -1,8 +1,8 @@
 local check = function()
-    local health = vim.health
-    local ok     = health.report_ok
-    local warn   = health.report_warn
-    local error  = health.report_error
+    local health     = vim.health
+    local ok         = health.report_ok
+    local warn       = health.report_warn
+    local error      = health.report_error
 
     local has        = vim.fn.has
     local executable = vim.fn.executable
@@ -54,7 +54,7 @@ local check = function()
 
 
     -- INFO :Check ultimate.db
-    local db_path = vim.fn.expand(require('Trans').conf.dir .. '/ultimate.db')
+    local db_path = require('Trans').conf.dir .. '/ultimate.db'
     if vim.fn.filereadable(db_path) == 1 then
         ok [[ultimate database found ]]
     else