Mirakurunのprograms.jsonとEPGStationのreserves.jsonの先頭が0で埋まっている時に削除して作り直させる

check_and_remove.ps1

$mirak_url = "http://192.168.1.xxx:40772"
$epg_url = "http://192.168.1.xxx:8888"

Function Convert-FromUnixDate ($UnixDate) {
    [timezone]::CurrentTimeZone.ToLocalTime(([datetime]'1/1/1970').AddSeconds($UnixDate))
}

<#
#MirakurunのAPIを確認し、チューナーが使用中でない状態になるまで待機する
Write-Output "Checking tuner status..."
$tuner_free = $FALSE
$tuner_url = "${mirak_url}/api/tuners"
do {
  $response = Invoke-RestMethod -Method "Get" -Uri $tuner_url
  if("$($response.isUsing)".Contains("True")){
       $tuner_free = $FALSE
       Write-Output "Tuner status: Active..."
       
       Write-Output "Waiting..."
	Start-Sleep 10
  } else {
       $tuner_free = $TRUE
       Write-Output "Tuner status: Inactive."
  }
} until ( $tuner_free )
#>

#録画時間を確認し、30分以上先であれば削除しても問題ないと判断する
$rec_url = "${epg_url}/api/reserves"
$result = Invoke-RestMethod -Method "Get" -Uri $rec_url
$currentTime = Get-Date
$isSafe = $FALSE

foreach ($entry in $result.reserves.program.GetEnumerator()) {
    #EPGStationのUNIX Timeはミリ秒を含んでいるので1000で割る
    $startAt = Convert-FromUnixDate( $result.reserves.program[0].startAt / 1000 )
    $endAt = Convert-FromUnixDate( $result.reserves.program[0].endAt / 1000 )
    #現在の時間との比較をする
    $startAtDuration = New-TimeSpan $currentTime $startAt
    $endAtDuration = New-TimeSpan $currentTime $endAt
    #30分以上先か確認
    if ( ( $startAtDuration.TotalMinutes -ge 30 ) -And ( $endAtDuration.TotalMinutes -ge 30 ) ) {
        $isSafe = $TRUE
    }
    else {
        $isSafe = $FALSE
    }
}

#すべて問題なければ
if ( $isSafe ) {
    Write-Output "Now checking json files..."
    $programs = "C:\Users\XXX\AppData\Local\Mirakurun\programs.json"
    $reserves = "C:\EPGStation\data\reserves.json"
    $is_wipe_needed = $FALSE

    $a = [System.IO.File]::ReadAllBytes("${programs}");

    $header += "{0:X2}" -f $a[0]
    $header += "{0:X2}" -f $a[1]
    $header += "{0:X2}" -f $a[2]
    $header += "{0:X2}" -f $a[3]

    $b = [System.IO.File]::ReadAllBytes("${reserves}");

    $headerb += "{0:X2}" -f $b[0]
    $headerb += "{0:X2}" -f $b[1]
    $headerb += "{0:X2}" -f $b[2]
    $headerb += "{0:X2}" -f $b[3]

    if ($header -eq "00000000") {
        Write-Host "${programs}: ZAP! ZAP! ZAP!"
        $is_wipe_needed = $TRUE
    }
    else {
        Write-Host "${programs}: OK."
    }

    if ($headerb -eq "00000000") {
        Write-Host "${reserves}: ZAP! ZAP! ZAP!"
        $is_wipe_needed = $TRUE
    }
    else {
        Write-Host "${reserves}: OK."
    }

    if ($is_wipe_needed) {
        Remove-Item "${programs}"
        Remove-Item "${reserves}"
    }
}
else {
    Write-Output "Now is not the time to check..."
}