Public/Application/Set-CardDefaultTeamsSettings.ps1
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<#
.SYNOPSIS Sets the default Microsoft Teams webhook settings for Adaptive Card delivery. .DESCRIPTION The Set-CardDefaultTeamsSettings function configures the default Teams webhook URL and related settings that will be used for sending Adaptive Cards to Microsoft Teams channels. The settings are stored in a user-specific configuration file and include context validation to ensure settings are used by the correct user and machine. .PARAMETER WebhookUrl The Microsoft Teams webhook URL where Adaptive Cards will be sent. This should be a complete webhook URL obtained from a Teams channel connector configuration. .PARAMETER ChannelName An optional friendly name for the Teams channel to help identify which channel the webhook points to. This is for reference purposes only and doesn't affect functionality. .PARAMETER TeamName An optional team name for reference purposes to help identify which team the channel belongs to. .EXAMPLE Set-CardDefaultTeamsSettings -WebhookUrl "https://outlook.office.com/webhook/12345..." Sets the default Teams webhook URL for sending Adaptive Cards. .EXAMPLE Set-CardDefaultTeamsSettings -WebhookUrl "https://outlook.office.com/webhook/12345..." -ChannelName "General" -TeamName "Development Team" Sets the Teams webhook with additional reference information about the channel and team. .NOTES - Settings are stored per user and machine for security - The webhook URL should be kept secure as it allows posting to the Teams channel - Settings are validated against the current user context when loaded - The configuration file is stored in the user's AppData folder .LINK https://docs.microsoft.com/en-us/microsoftteams/platform/webhooks-and-connectors/ #> function Set-CardDefaultTeamsSettings { param ( [Parameter(Mandatory = $true)] [string]$WebhookUrl ) # Initialize global settings if not exist if ($null -eq $script:_MvRACSettings) { $script:_MvRACSettings = @{} } if ($null -eq $script:_MvRACSettings.Context) { $script:_MvRACSettings.Context = @{} } if ($null -eq $script:_MvRACSettings.Teams) { $script:_MvRACSettings.Teams = @{} } # Set Teams settings $script:_MvRACSettings.Teams.WebhookUrl = $WebhookUrl # Create settings file if it doesn't exist if (-not (Test-Path $script:_SettingsFile)) { $script:_MvRACSettings = @{ Context = @{ User = $env:USERNAME Host = $env:COMPUTERNAME } } $script:_MvRACSettingsJson = $script:_MvRACSettings | ConvertTo-Json -Depth 5 $script:_MvRACSettingsJson | Set-Content -Path $script:_SettingsFile -Encoding UTF8 } # Get the now existing settings file $script:_CurrentMvRACSettings = Get-Content -Path $script:_SettingsFile -Raw | ConvertFrom-JsonAsHashtable # If the settings were not found, initialize them if ($null -eq $script:_MvRACSettings) { $script:_MvRACSettings = @{ Context = @{ User = $env:USERNAME Host = $env:COMPUTERNAME } } } # Validate the context to ensure it matches the current user/machine if ($script:_CurrentMvRACSettings.Context.User -ne $env:USERNAME -or $script:_CurrentMvRACSettings.Context.Host -ne $env:COMPUTERNAME) { Write-Warning "The existing settings file was created for user '$($script:_CurrentMvRACSettings.Context.User)' on host '$($script:_CurrentMvRACSettings.Context.Host)'. The current user is '$env:USERNAME' on host '$env:COMPUTERNAME'. Settings will be updated to match the current context. But additional steps may be required to ensure proper operation." $script:_MvRACSettings.Context.User = $env:USERNAME $script:_MvRACSettings.Context.Host = $env:COMPUTERNAME } # Save the updated settings $script:_MvRACSettings | ConvertTo-Json -Depth 5 | Set-Content -Path $script:_SettingsFile -Encoding UTF8 -Force } |