Gist.ps1

# Author: Miodrag Milic <miodrag.milic@gmail.com>
# Last Change: 10-Nov-2016.
<#
.SYNOPSIS
    Create update history as markdown report using git commit log.

.DESCRIPTION
   Shows one date per line and all of the packages pushed to the Chocolatey community repository during that day.
   First letter of the package name links to report (produced by the Report plugin), the rest links to actuall
   commit (produced by the Git plugin).
#>
param(
    $Info,

    # Gist id, leave empty to create a new gist
    [string] $Id,

    # Github ApiKey, create in Github profile -> Settings -> Personal access tokens -> Generate new token
    # Make sure token has 'gist' scope set.
    [string] $ApiKey,

    # File paths to attach to gist
    [string[]] $Path,

    # Gist description
    [string] $Description = "Update-AUPackages Report #powershell #chocolatey"
)

# Create gist
$gist = @{
    description = $Description
    public      = $true
    files       = @{}
}

ls $Path | % {
    $name      = Split-Path $_ -Leaf
    $content   = gc $_ -Raw
    $gist.files[$name] = @{content = "$content"}
}

# request
$uri  = 'https://api.github.com/gists'
$params = @{
    ContentType = 'application/json'
    Method      = if ($Id) { "PATCH" } else { "POST" }
    Uri         = if ($Id) { "$uri/$Id" } else { $uri }
    Body        = $gist | ConvertTo-Json
    UseBasicparsing = $true
}
if ($ApiKey) {
    $params.Headers = @{
        Authorization = 'Basic ' + [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes($ApiKey))
    }
}
$res = iwr @params

#https://api.github.com/gists/a700c70b8847b29ebb1c918d47ee4eb1/211bac4dbb707c75445533361ad12b904c593491
$id = (($res.Content | ConvertFrom-Json).history[0].url -split '/')[-2,-1] -join '/'
"https://gist.github.com/$id"