[AtlassianPS] [JiraPS] Upload changes to Jira Issues

sample.json

[{
    "key": "TV-24",
    "fields": {
        "summary": "My new Summary"
    }
}]

Upload-Changes.ps1

param(
    # Path to the JSON file with the information to upload.
    [Parameter(Mandatory = $true)]
    [ValidateScript( { Test-Path $_ })]
    [string]$InputFile,

    # Credentials to use for the connection with Jira.
    [Parameter(Mandatory = $true)]
    [PSCredential]$Credential,

    # Server to connect to.
    # Edit the default value or overwrite it when calling the script.
    [Parameter()]
    [ValidateNotNullOrEmpty()]
    $ApiURi = 'https://myserver.com'
)

# region Functions
function ConvertTo-HashTable {
    param(
        [Parameter(Mandatory = $true)]
        [Object]$InputObject,

        [switch]$Recurse
    )

    begin {
        $hash = @{}
        $InputObject.PSObject.properties | Foreach-Object {
            $value = $_.Value
            if ($Recurse -and $value.gettype().Name -eq "PSCustomObject") { $value = ConvertTo-HashTable $value}
            $hash[$_.Name] = $value
        }
        Write-Output $hash
    }
}
# endregion Functions

# region Setup
    Import-Module JiraPS -Force
    Set-JiraConfigServer $ApiURi
    $null = New-JiraSession -Credential $Credential

    # Write log to:
    $logFile = "$PSScriptRoot\Upload_$(Get-Date -format "yyyyMMdd.HHmmss").log"

    $importFile = Get-Content -Path $InputFile -Raw
    Write-Output "Uploading File Content . . . [File] : $InputFile"
    Out-File -FilePath $logFile -Force -InputObject @"
Uploading content of:  $InputFile
---------------------------------
"@

    $changedIssues = ConvertFrom-Json $importFile
# endregion Setup

# region Main
    $i =0
    $failures = @()
    foreach ($change in $changedIssues) {
        Write-Progress -Activity "Uploading changes" -status "Processing $($change.key)" -percentComplete ($i / $changedIssues.count * 100)
        $i++
        "Processing: $($change.key)            " | Out-File -FilePath $logFile -Append -NoNewLine

        try {
            $Issue = Get-JiraIssue $change.key -ErrorAction Stop
            Set-JiraIssue $Issue -Fields (ConvertTo-HashTable $change.fields) -ErrorAction Stop
            "[OK]" | Out-File -FilePath $logFile -Append
        }
        catch {
            $failures += $change
            "[FAILED]" | Out-File -FilePath $logFile -Append
        }
    }
# endregion Main

# region Evaluate-Result
    Write-Host ""
    If ($failures.Count -gt 0) {
        Write-Warning "$($failures.Count) issues failed to be updated. Check `$failures ."
    }
    Write-Host "Script finished!"
# endregion Evaluate-Result