Better maintainability for install.ps1 [GitHub #98 #107]

tool/install.ps1

@@ -1,33 +1,35 @@
 # ---------------------------------------------------------------
 # File Name     : install.ps1
-# File Authors  : Aoran Zeng <ccmywish@qq.com>
-#               |   ChatGPT  <https://chatgpt.com/>
+# File Authors  :    xuan    <wick.dynex@qq.com>
+#               |  ChatGPT   <https://chatgpt.com/>
+# Contributors  : Aoran Zeng <ccmywish@qq.com>
+#               |
 # Created On    : <2024-10-26>
 # Last Modified : <2024-10-27>
 #
-#
 #         chsrc installer for Windows
-#
 # ---------------------------------------------------------------
+
 # 定义参数
 param(
     [switch]
     $h,
-    $d = "${HOME}\Downloads", 
+    $d = "${HOME}\Downloads",
     $v = "pre"
 )
+
 $fileName = "\chsrc.exe"
-$default_path = "${HOME}\Downloads"  
+$default_path = "${HOME}\Downloads"
 $binary_name = "chsrc"
 $platform = "Windows"
 
-$global:path = ""                            
-$global:arch = ""                            
-$global:version = ""                         
-$global:url = ""                             
+$global:path = ""
+$global:arch = ""
+$global:version = ""
+$global:url = ""
 $global:flag = 0
 
-# 安装说明的多行字符串
+
 $installInstructions = @"
 Hey friend
 
@@ -43,19 +45,19 @@ $installInstructions
 
 https://github.com/RubyMetric/chsrc
 "@
-    exit  # 退出脚本
+    exit
 }
 
 function Help {
-    Write-Host 
+    Write-Host
 @"
 chsrc-installer: Install chsrc on ${platform}.
 
 Usage: install.sh [options]
 Options:
-    -h              Print this help information.
-    -d <directory>  Specify installation directory, default is $default_path.
-    -v <version>    Specify chsrc version.
+-h            Print this help information
+-d <dir>      Specify installation directory, default is $default_path
+-v <version>  Specify chsrc version
 
 "@
 }
@@ -66,51 +68,53 @@ if ($h) {
     exit
 }
 
-function Get_Path {
+function output_info () {
+    Write-Host "[INFO] $args"
+}
+
+function output_error () {
+    Write-Host "[ERROR] $args"
+    exit 1
+}
+
+
+function Set_Install_Dir {
     # 检查目录是否存在
     if (-not (Test-Path -Path $d -PathType Container)) {
         # 如果目录不存在，执行下面的代码块
         try {
             New-Item -Path $d -ItemType Directory -Force | Out-Null
-            Write-Host "Directory created: $d"
+            output_info "Directory created: $d"
             $global:flag = 1
         } catch {
-            # 捕获异常并输出错误信息
-            Write-Host "Failed to create directory: $_"
-            exit 1
+            output_error "Failed to create directory: $_"
         }
     }
     $global:path=$d
     # 输出最终路径
-    Write-Output "The path is set to: $global:path"
+    output_info "Set install dir to: $global:path"
 }
 
-function Get_Version {
-    # 定义有效的版本
+function Set_Version {
     $pattern = '^(0\.1\.[4-9]|pre)$'
 
-    # 检查版本号是否符合
     if ($v -notmatch $pattern) {
-        # 输出错误信息并结束程序
-        Write-Host "Error: Invalid version '$v'."
-        Write-Host "Please provide a valid version (0.1.4 - 0.1.9 or 'pre')."
-        exit 1
+        output_error "Invalid version '$v'. Please provide a valid version (0.1.4 - 0.1.9 or 'pre')."
     }
 
     # 设置版本号
     $global:version=$v
-    Write-Host "Version: $global:version"
+    output_info "Set chsrc version: $global:version"
 }
 
-function Get_Url {
+function Set_URL {
     # 获取 CPU 型号
     $cpuArchitecture = Get-WmiObject Win32_Processor `
                         | Select-Object -First 1 -ExpandProperty Architecture
 
-    # 将 CPU 型号转换为 x64 或 x86
     switch ($cpuArchitecture) {
         0 { $global:arch = 'x86' }
-        9 { 
+        9 {
             # 如果是 64 位操作系统，选择 x64 安装包，否则选择 x86
             if ([Environment]::Is64BitOperatingSystem) {
                 $global:arch = "x64"
@@ -120,12 +124,10 @@ function Get_Url {
             }
         }
         default {
-            Write-Host "Error: Unsupported architecture '$cpuArchitecture'."
-            Write-Host "Only x86 or x64 architectures are supported."
-            exit 1
+            output_error "Unsupported architecture '$cpuArchitecture'. Only x86 or x64 architectures are supported."
         }
     }
-    Write-Host "CPU Architecture: $global:arch"
+    output_info "My CPU architecture: $global:arch"
 
     # Set URL
     if ($version -eq "pre") {
@@ -137,55 +139,51 @@ function Get_Url {
                             "v" + "${global:version}/chsrc-${global:arch}-windows.exe"
     }
 
-    Write-Host "DownLoad URL: $global:url."
+    output_info "Set downLoad URL: $global:url"
 }
 
-function DownLoad {
+function Install {
     try {
         # 设置安全协议为 TLS 1.2
         [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
-        
+
         # 检查 URL 是否可访问
         $response = Invoke-WebRequest -Uri $global:url -Method Head -ErrorAction Stop
-        
-        # 检查状态码是否为 200
+
         if ($response.StatusCode -ne 200) {
-            Write-Host "Error: Unable to access $global:url. Status code: $($response.StatusCode)"
-            exit 1  # 状态码不为 200，退出
+            output_error "Unable to access $global:url. Status code: $($response.StatusCode)"
         }
     }
     catch {
         Write-Host "Unable to download ${binary_name}. Please check your internet connection."
-        exit 1  # 下载失败，输出错误信息并退出
+        exit 1
     }
 
-    # 执行下载
     try {
+        output_info "Downloading $binary_name ($global:arch architecture, $platform platform, version $global:version) to $global:path ..."
         Invoke-WebRequest -OutFile ($global:path + $fileName) -Uri $global:url -ErrorAction Stop
-        Write-Host "Downloading $binary_name ($global:arch architecture, $platform platform, version $global:version) to $global:path"
-        Write-Host "🎉 Installation completed, path: $global:path"
+        output_info "🎉 Installation completed, path: $global:path"
     } catch {
-        Write-Host "Error: Unable to download $binary_name. Error: $_"
-        exit 1  # 下载失败，输出错误信息并退出
+        output_error "Unable to download $binary_name. Error: $_"
     }
 }
 
-# 定义清理函数
-function Cleanup {
+
+function cleanup {
     if ($flag -eq 1) {
         if (Test-Path -Path $path) {
             Remove-Item -Path $path -Recurse -Force  # 删除路径及其内容
-            Write-Host "Deleted the path: $path"
+            output_info "Deleted the path: $path"
         }
     }
 }
 
-# 注册退出事件
-$null = Register-EngineEvent PowerShell.Exiting -Action { Cleanup }
 
-# 下载chsrc
+$null = Register-EngineEvent PowerShell.Exiting -Action { cleanup }
 
-Get_Path 
-Get_Version
-Get_Url
-DownLoad
+
+# main
+Set_Install_Dir
+Set_Version
+Set_URL
+Install