Move helpers to the separate repository

azure-devops/azure-devops-api.ps1

@@ -0,0 +1,89 @@
+class AzureDevOpsApi
+{
+    [string] $BaseUrl
+    [string] $RepoOwner
+    [object] $AuthHeader
+
+    AzureDevOpsApi(
+        [string] $TeamFoundationCollectionUri,
+        [string] $ProjectName,
+        [string] $AccessToken
+    ) {
+        $this.BaseUrl = $this.BuildBaseUrl($TeamFoundationCollectionUri, $ProjectName)
+        $this.AuthHeader = $this.BuildAuth($AccessToken)
+    }
+
+    [object] hidden BuildAuth([string]$AccessToken) {
+        if ([string]::IsNullOrEmpty($AccessToken)) {
+            return $null
+        }
+        return @{
+            Authorization = "Bearer $AccessToken"
+        }
+    }
+
+    [string] hidden BuildBaseUrl([string]$TeamFoundationCollectionUri, [string]$ProjectName) {
+        return "${TeamFoundationCollectionUri}/${ProjectName}/_apis"
+    }
+
+    [object] QueueBuild([string]$ToolVersion, [string]$SourceBranch, [string]$SourceVersion, [UInt32]$DefinitionId){
+        $url = "build/builds"
+        
+        # The content of parameters field should be a json string
+        $buildParameters = @{ VERSION = $ToolVersion } | ConvertTo-Json
+
+        $body = @{
+            definition = @{
+                id = $DefinitionId
+            }
+            sourceBranch = $SourceBranch
+            sourceVersion = $SourceVersion
+            parameters = $buildParameters
+        } | ConvertTo-Json
+
+        return $this.InvokeRestMethod($url, 'POST', $body)
+    }
+
+    [object] GetBuildInfo([UInt32]$BuildId){
+        $url = "build/builds/$BuildId"
+
+        return $this.InvokeRestMethod($url, 'GET', $null)
+    }
+
+    [string] hidden BuildUrl([string]$Url) {
+        return "$($this.BaseUrl)/${Url}/?api-version=5.1"
+    }
+
+    [object] hidden InvokeRestMethod(
+        [string] $Url,
+        [string] $Method,
+        [string] $Body
+    ) {
+        $requestUrl = $this.BuildUrl($Url)
+        $params = @{
+            Method = $Method
+            ContentType = "application/json"
+            Uri = $requestUrl
+            Headers = @{}
+        }
+        if ($this.AuthHeader) {
+            $params.Headers += $this.AuthHeader
+        }
+        if (![string]::IsNullOrEmpty($body)) {
+            $params.Body = $Body
+        }
+
+        return Invoke-RestMethod @params
+    }
+
+}
+
+function Get-AzureDevOpsApi {
+    param (
+        [string] $TeamFoundationCollectionUri,
+        [string] $ProjectName,
+        [string] $AccessToken
+    )
+
+    return [AzureDevOpsApi]::New($TeamFoundationCollectionUri, $ProjectName, $AccessToken)
+}