Tasks/Tasks.Sql.ps1

#region Copyright & License

# Copyright © 2012 - 2021 François Chabot
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

#endregion

Set-StrictMode -Version Latest

# Synopsis: Deploy SQL databases and execute SQL deployment scripts
task Deploy-SqlDatabases -If { -not $SkipSharedResources } `
    Invoke-SqlDeploymentScripts

# Synopsis: Undeploy SQL databases and execute SQL undeployment scripts
task Undeploy-SqlDatabases -If { (-not $SkipUninstall) -and (-not $SkipSharedResources) } `
    Invoke-SqlUndeploymentScripts

# Synopsis: Execute SQL deployment scripts
task Invoke-SqlDeploymentScripts {
    $Resources | ForEach-Object -Process {
        Write-Build DarkGreen $_.Path
        $location = Get-Location
        try {
            Invoke-SqlScript -Path $_.Path -Server $_.Server -Database $_.Database -Variables $_.Variables
        } finally {
            Set-Location $location
        }
    }
}

# Synopsis: Execute SQL undeployment scripts
task Invoke-SqlUndeploymentScripts -If { -not $SkipUninstall } {
    $Resources | ForEach-Object -Process {
        Write-Build DarkGreen $_.Path
        $location = Get-Location
        try {
            Invoke-SqlScript -Path $_.Path -Server $_.Server -Database $_.Database -Variables $_.Variables
        } finally {
            Set-Location $location
        }
    }
}

function Invoke-SqlScript {
    [CmdletBinding()]
    [OutputType([void])]
    param (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [string]
        $Path,

        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [string]
        $Server,

        [Parameter(Mandatory = $true)]
        [AllowEmptyString()]
        [string]
        $Database,

        [Parameter(Mandatory = $true)]
        [ValidateNotNull()]
        [HashTable]
        $Variables
    )
    $arguments = @{
        InputFile      = $Path
        ServerInstance = $Server
    }
    if (-not([string]::IsNullOrWhiteSpace($Database))) { $arguments.Database = $Database }
    # see https://stackoverflow.com/a/16656788/1789441
    if ($Variables.Keys | Test-Any) { $arguments.Variable = $( @($Variables.Keys | ForEach-Object -Process { "$_=$($Variables.$_)" }) ) }
    Invoke-Sqlcmd @arguments
}

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