Connect-Redmine demo.redmine.org

New-RedmineResource project -identifier test99 -name testproject
New-RedmineResource version -project_id 475 -name testversion
New-RedmineResource issue -project_id test99 -subject testissue

Search-RedmineResource project -keyword testproject
Search-RedmineResource membership -project_id test99
Search-RedmineResource version -project_id test99 -keyword testversion 
Search-RedmineResource issue -keyword testissue
Search-RedmineResource user -keyword testuser # Administrator only

Get-RedmineResource project test99
Get-RedmineResource project 475
Get-RedmineResource membership 74
Get-RedmineResource version 408
Get-RedmineResource issue 29552
Get-RedmineResource user 20 # Administrator only

Edit-RedmineResource project -id test99 -description 'change description'
Edit-RedmineResource version -id 408 -description 'add desc' -due_date 2018-09-29
Edit-RedmineResource issue -id 29552 -version_id 406

Remove-RedmineResource issue 29552
Remove-RedmineResource version 408
Remove-RedmineResource project test99 # Administrator only
Remove-RedmineResource user 20 # Administrator only

Disconnect-Redmine

[Reflection.Assembly]::LoadFile("C:\Absolute\Path\to\Newtonsoft.Json.dll")
[Reflection.Assembly]::LoadFile("C:\Absolute\Path\to\redmine-net-api.dll")

$Redmine = [Redmine.Net.Api.RedmineManager]::new('http://demo.redmine.org', 'a1b2c3d4e5f6g7h8i9j0a1b2c3d4e5f6g7h8i9j0')
$Redmine.GetCurrentUser()

[System.Collections.Specialized.NameValueCollection]$params

Function Get-RedmineResource ($type,$id) {
    $id = $id -as [String]
    $resource = $Redmine.GetType().GetMethod("GetObject").MakeGenericMethod("Redmine.Net.Api.Types.$type").Invoke($Redmine, @($id,$params))
    $resource
}

Function Edit-RedmineResource ($type,$id,$description) {
    $id = $id -as [String]
    $resource = Get-RedmineResource $type $id
    $resource.description = $description
    ($Redmine.GetType().GetMethods() | where {$_.Name -eq "UpdateObject" -and $_.IsGenericMethod})[0].MakeGenericMethod("Redmine.Net.Api.Types.$type").Invoke($Redmine, @($id,$resource))
}

Function Remove-RedmineResource ($type,$id) {
    $id = $id -as [String]
    $Redmine.GetType().GetMethod("DeleteObject").MakeGenericMethod("Redmine.Net.Api.Types.$type").Invoke($Redmine, @($id,$null))
}

Function New-IdentifiableName ($id) {
    $IdentifiableName = New-Object -TypeName Redmine.Net.Api.Types.IdentifiableName
    $IdentifiableName.GetType().GetMethod("Create").MakeGenericMethod("Redmine.Net.Api.Types.IdentifiableName").Invoke($IdentifiableName, @($id -as [Int]))
}

Function New-RedmineResource {
    Param(
        [Parameter(Mandatory=$true)][String]$type,
        [String]$project_id,
        [String]$identifier,
        [String]$name,
        [String]$description,
        [Int]$default_version_id,
        [Int]$issue_id,
        [Int]$tracker_id,
        [String]$status_id,
        [Int]$version_id,
        [String]$subject,
        [String]$notes,
        [Datetime]$due_date,
        [String]$status,
        [String]$sharing
    )
    $hash = @{}

    foreach ($boundparam in $PSBoundParameters.GetEnumerator()) {
        Switch ($boundparam.Key) {
            'type' { continue }
            'project_id' { $hash.Project = New-IdentifiableName $boundparam.Value }
            'tracker_id' { $hash.Tracker = New-IdentifiableName $boundparam.Value }
            'status_id' { $hash.Status = New-IdentifiableName $boundparam.Value }
            'version_id' { $hash.Version = New-IdentifiableName $boundparam.Value }
            default { $hash.$($boundparam.Key) = $boundparam.Value }
        }
    }
    #$hash = @{ Name = $name; Identifier = $name; Description = 'Test' }
    $resource = New-Object -TypeName Redmine.Net.Api.Types.$type -Property $hash
    $resource
    $Response = ($Redmine.GetType().GetMethods() | where {$_.Name -eq "CreateObject" -and $_.IsGenericMethod})[0].MakeGenericMethod("Redmine.Net.Api.Types.$type").Invoke($Redmine, @($resource -as ("Redmine.Net.Api.Types.$type" -as [type])))
    $Response
}

$Project = New-RedmineResource Project -Identifier 'test_api' -Name 'test_api' -Description 'Testing Redmine-API'
$Issue = New-RedmineResource Issue -project_id $Project.Id[1] -Subject 'test_api'

Get-RedmineResource Issue $Issue.Id[1]

Edit-RedmineResource Issue $Issue.Id[1] -Description 'Testing Redmine-API'
Get-RedmineResource Issue $Issue.Id[1]

Remove-RedmineResource Issue $Issue.Id[1]