Added Backup cmdlets

Author: alan-null

Raindrop.API/Public/Backup/Get-RaindropBackup.ps1

@@ -0,0 +1,17 @@
+function Get-RaindropBackup {
+    param (
+        [Parameter(Mandatory)]
+        [string] $ApiToken
+    )
+
+    $url = "$Global:RaindropBaseUrl/backups"
+    $headers = Get-RaindropAuthHeader -ApiToken $ApiToken
+
+    try {
+        $response = Invoke-RestMethod -Uri $url -Headers $headers -Method Get
+        return $response.items
+    }
+    catch {
+        Write-Error "Failed to retrieve projects: $_"
+    }
+}

Raindrop.API/Public/Backup/New-RaindropBackup.ps1

@@ -0,0 +1,18 @@
+function New-RaindropBackup {
+    param (
+        [Parameter(Mandatory)]
+        [string] $ApiToken
+    )
+
+    $url = "$Global:RaindropBaseUrl/backup"
+    $headers = Get-RaindropAuthHeader -ApiToken $ApiToken
+
+    try {
+        $response = Invoke-RestMethod -Uri $url -Headers $headers -Method Get
+        Write-Host $response.message
+        return $response.result
+    }
+    catch {
+        Write-Error "Failed to retrieve projects: $_"
+    }
+}

Raindrop.API/Public/Backup/Save-RaindropBackup.ps1

@@ -0,0 +1,32 @@
+function Save-RaindropBackup {
+    param (
+        [Parameter(Mandatory)]
+        [string] $ApiToken,
+
+        [Parameter(Mandatory = $true)]
+        [string] $id = 0,
+
+        [Parameter(Mandatory = $true)]
+        [ValidateSet("csv", "html")]
+        [string] $format,
+
+        [Parameter(Mandatory = $false)]
+        [string] $OutFile
+    )
+
+    $url = "$Global:RaindropBaseUrl/backup/$id.$format"
+    $headers = Get-RaindropAuthHeader -ApiToken $ApiToken
+
+    try {
+        if ([string]::IsNullOrEmpty($OutFile)) {
+            $response = Invoke-RestMethod -Uri $url -Headers $headers -Method Get
+            return $response
+        }
+        else {
+            Invoke-WebRequest -Uri $url -Headers $headers -Method Get -OutFile $OutFile
+        }
+    }
+    catch {
+        Write-Error "Failed to retrieve projects: $_"
+    }
+}