Functions/Get-COVID19Data.ps1
|
function Get-COVID19Data { [CmdletBinding()] param () # Don't ask me what this RegEx means, came from here: https://stackoverflow.com/questions/15491894/regex-to-validate-date-format-dd-mm-yyyy $mdyRegEx = '^(?:(?:31(\/|-|\.)(?:0?[13578]|1[02]))\1|(?:(?:29|30)(\/|-|\.)(?:0?[13-9]|1[0-2])\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})$|^(?:29(\/|-|\.)0?2\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1\d|2[0-8])(\/|-|\.)(?:(?:0?[1-9])|(?:1[0-2]))\4(?:(?:1[6-9]|[2-9]\d)?\d{2})$' $githubBaseUri = 'https://github.com/' try { Write-Verbose -Message 'Getting links to daily reports.' $baseUri = "$githubBaseUri/CSSEGISandData/COVID-19/tree/master/csse_covid_19_data/csse_covid_19_daily_reports" $dailyReports = (Invoke-WebRequest -Uri $baseUri -ErrorAction Stop | Select-Object -ExpandProperty Links).where({ $_.title -match "$mdyRegEx*.csv" }) Write-Verbose -Message 'Getting the latest/newest csv report.' $latestReport = $dailyReports | Sort-Object -Property title | Select-Object -Last 1 Write-Verbose -Message 'Getting link to the raw CSV data.' $latestReportUri = ("$githubBaseUri{0}"-f $latestReport.href) $latestReportData = (Invoke-WebRequest -Uri $latestReportUri -ErrorAction Stop).Links.where({ $_.id -eq 'raw-url' }) Write-Verbose -Message 'Parsing the latest data and deserializing into PowerShell objects.' $latestReportRawUri = ("$githubBaseUri{0}" -f $latestReportData.href) $covidData = (Invoke-WebRequest -Uri $latestReportRawUri -ErrorAction Stop).Content | ConvertFrom-Csv } catch { Write-Error -ErrorAction Stop -Message "Could not retreive COVID-19 CICD data from Github, error was:`n`t$_" } $outPut = [System.Collections.Generic.List[Covid]]::new() foreach ($cd in $covidData) { $outPut.Add( [Covid]::new( $cd.'Country/Region', $cd.'Province/State', $cd.'Last Update', $cd.Confirmed, $cd.Deaths, $cd.Recovered, $cd.Latitude, $cd.Longitude ) ) } Write-Output -InputObject $outPut } |