Public/Get-Weather.ps1
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using namespace System.Text function Get-Weather { [CmdletBinding(DefaultParameterSetName='ZipCodeForecast')] [OutputType([string])] PARAM ( [Parameter(Mandatory=$true,Position=0,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true,ParameterSetName='ZipCodeForecast')] [Parameter(Mandatory=$true,Position=0,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true,ParameterSetName='ZipCodeAlert')] [Parameter(Mandatory=$true,Position=0,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true,ParameterSetName='ZipCodeForecastAlert')] [int]$ZipCode, [Parameter(Mandatory=$true,Position=0,ValueFromPipelineByPropertyName=$true,ParameterSetName='GeoForecast')] [Parameter(Mandatory=$true,Position=0,ValueFromPipelineByPropertyName=$true,ParameterSetName='GeoAlert')] [Parameter(Mandatory=$true,Position=0,ValueFromPipelineByPropertyName=$true,ParameterSetName='GeoForecastAlert')] [double]$Latitude, [Parameter(Mandatory=$true,Position=1,ValueFromPipelineByPropertyName=$true,ParameterSetName='GeoForecast')] [Parameter(Mandatory=$true,Position=1,ValueFromPipelineByPropertyName=$true,ParameterSetName='GeoAlert')] [Parameter(Mandatory=$true,Position=1,ValueFromPipelineByPropertyName=$true,ParameterSetName='GeoForecastAlert')] [double]$Longitude, [Parameter(ParameterSetName='ZipCodeForecast')] [Parameter(ParameterSetName='GeoForecast')] [Parameter(ParameterSetName='ZipCodeForecastAlert')] [Parameter(ParameterSetName='GeoForecastAlert')] [ValidateSet(0,1,2,3,4,5,6,7,8,9,10,11,12,13)][int]$PeriodsFromNow = 0, [Parameter(ParameterSetName='ZipCodeForecast')] [Parameter(ParameterSetName='GeoForecast')] [Parameter(Mandatory=$true,ParameterSetName='ZipCodeForecastAlert')] [Parameter(Mandatory=$true,ParameterSetName='GeoForecastAlert')] [ValidateSet('Short', 'Detailed')][string]$ForecastType = 'Short', [Parameter(ParameterSetName='ZipCodeForecast')] [Parameter(ParameterSetName='GeoForecast')] [Parameter(ParameterSetName='ZipCodeForecastAlert')] [Parameter(ParameterSetName='GeoForecastAlert')] [switch]$IncludeLocation, [Parameter(ParameterSetName='ZipCodeForecast')] [Parameter(ParameterSetName='GeoForecast')] [Parameter(ParameterSetName='ZipCodeForecastAlert')] [Parameter(ParameterSetName='GeoForecastAlert')] [switch]$IncludeTime, [Parameter(Mandatory=$true,ParameterSetName='ZipCodeAlert')] [Parameter(Mandatory=$true,ParameterSetName='GeoAlert')] [Parameter(Mandatory=$true,ParameterSetName='ZipCodeForecastAlert')] [Parameter(Mandatory=$true,ParameterSetName='GeoForecastAlert')] [ValidateSet('Short', 'Detailed', 'Full')][string]$AlertType, [Parameter(ParameterSetName='ZipCodeAlert')] [Parameter(ParameterSetName='GeoAlert')] [Parameter(ParameterSetName='ZipCodeForecastAlert')] [Parameter(ParameterSetName='GeoForecastAlert')] [switch]$IncludeAlertCount, [Parameter()] [switch]$Speakable ) begin { $GeoData = $null $Abbreviations = @{ AL = 'Alabama'; AK = 'Alaska'; AZ = 'Arizona' AR = 'Arkansas'; CA = 'California'; CO = 'Colorado' CT = 'Connecticut'; DE = 'Delaware'; DC = 'DC' FL = 'Florida'; GA = 'Georgia'; HI = 'Hawaii' ID = 'Idaho'; IL = 'Illinois'; IN = 'Indiana' IA = 'Iowa'; KS = 'Kansas'; KY = 'Kentucky' LA = 'Louisiana'; ME = 'Maine'; MD = 'Maryland' MA = 'Massachusetts'; MI = 'Michigan'; MN = 'Minnesota' MS = 'Mississippi'; MO = 'Missouri'; MT = 'Montana' NE = 'Nebraska'; NV = 'Nevada'; NH = 'New Hampshire' NJ = 'New Jersey'; NM = 'New Mexico'; NY = 'New York' NC = 'North Carolina'; ND = 'North Dakota'; OH = 'Ohio' OK = 'Oklahoma'; OR = 'Oregon'; PA = 'Pennsylvania' RI = 'Rhode Island'; SC = 'South Carolina'; CZ = 'in the Panama Canal Zone' TN = 'Tennessee'; TX = 'Texas'; AE = 'in the U.S. Armed Forces - Europe' VT = 'Vermont'; VA = 'Virginia'; CM = 'in the Northern Mariana Islands' WV = 'West Virginia'; WI = 'Wisconsin'; AA = 'in the U.S. Armed Forces - Americas' AS = 'American Samoa'; GU = 'Guam'; MP = 'Northern Mariana Islands' PR = 'Puerto Rico'; NB = 'Nebraska'; VI = 'in the U.S. Virgin Islands' WY = 'Wyoming'; UT = 'Utah'; AP = 'in the U.S. Armed Forces - Pacific' WA = 'Washington'; SD = 'South Dakota'; PI = 'in the Philippine Islands' TT = 'in the Trust Territory of the Pacific Islands' } function Format-NiceDate ([datetime]$Date) { $Date.ToString('dddd MMMM * a\t h:mm tt') -replace '\*', (Get-OrdinalNumber -Number $Date.Day) } function Format-AlertHeadline ($Alert) { [datetime]$Issued = $Alert.sent [datetime]$Effective = $Alert.effective [datetime]$Ends = if($Alert.ends) { $Alert.ends } else { $Alert.expires } [string[]]$Areas = $Alert.areaDesc -split '; ' [string]$AreaDescription = if($Areas.Count -gt 1) { ($Areas[0..$($Areas.Count-2)] -join ', ') + ' and ' + ($Areas[-1]) } else { $Areas[0] } if($Issued -eq $Effective) { "$($Alert.status) $($Alert.severity) $($Alert.event) issued $(Format-NiceDate $Issued) for $AreaDescription, effective until $(Format-NiceDate $Ends). " } else { "$($Alert.status) $($Alert.severity) $($Alert.event) issued $(Format-NiceDate $Issued) for $AreaDescription, effective from $(Format-NiceDate $Effective) until $(Format-NiceDate $Ends). " } } } process { # Get the $Location table for our $PointURI $Location = @{ LAT = $Latitude; LNG = $Longitude } if($PSCmdlet.ParameterSetName.StartsWith('ZipCode')) { if($null -eq $GeoData) { # Don't import the Zip/GPS mapping until we need it. $GeoData = Import-Csv -Path "$PSScriptRoot/../data/zip-geo.csv" } $Location = $GeoData | Where-Object ZIP -EQ $ZipCode if(!$Location) { throw "Could not find location $ZipCode in the available data." } } [string]$PointUri = "https://api.weather.gov/points/$($Location.LAT),$($Location.LNG)" $PointData = Invoke-RestMethod -Uri $PointUri -UseBasicParsing -Headers @{Accept='application/geo+json'} [string]$ZoneID = $PointData.properties.forecastZone -replace 'https?://api\.weather\.gov/zones/forecast/' # After this statement, assume $Location is a string. if($PointData.properties.relativeLocation.properties.city) { $Location = "$($PointData.properties.relativeLocation.properties.city) $($Abbreviations[$PointData.properties.relativeLocation.properties.state])" } elseif($PSCmdlet.ParameterSetName -eq 'ZipCode') { $Location = "Zip Code $("$ZipCode" -split '' -join ' ')" } else { $Location = "Latitude $Latitude, Longitude $Longitude, " } $APIResponse = Invoke-RestMethod -Uri "$PointUri/forecast" -UseBasicParsing -Headers @{Accept='application/geo+json'} $ForecastData = $APIResponse.properties.periods[$PeriodsFromNow] [StringBuilder]$Output = [StringBuilder]::new() [bool]$IsForecast = $PSCmdlet.ParameterSetName.Contains('Forecast') -or $PSBoundParameters.ContainsKey('ForecastType') [bool]$IsAlert = $PSBoundParameters.ContainsKey('AlertType') if($IsForecast) { if($IncludeLocation) { if($IncludeTime) { [void]$Output.Append("The forecast $($ForecastData.name) for $Location is: ") } else { [void]$Output.Append("The forecast for $Location is: ") } } elseif($IncludeTime) { [void]$Output.Append("The forecast for $($ForecastData.name) is: ") } if($ForecastType -eq 'Short') { [void]$Output.Append($ForecastData.shortForecast) } else { [void]$Output.Append($ForecastData.detailedForecast) } [void]$Output.Append("`n") } if($IsAlert) { $APIResponse = Invoke-RestMethod -URI "https://api.weather.gov/alerts/active/zone/$ZoneID" if($APIResponse.features.Count -eq 0) { [void]$Output.Append("There are no current alerts for $($Location -replace ', $').") [string]$OutputString = $Output.ToString().Trim() if($Speakable) { $OutputString = $OutputString -replace '\bwind(s?)\b', 'winnd$1' } return $OutputString # early-out } if($IncludeAlertCount) { [void]$Output.Append("There $(if($APIResponse.features.Count -eq 1) { 'is' } else { 'are' }) $($APIResponse.features.Count) current alerts for $($Location -replace ', $'):`n") } foreach($Alert in $APIResponse.features) { $Alert = $Alert.properties [string]$Headline = Format-AlertHeadline $Alert switch ($AlertType) { 'Short' { [void]$Output.Append($Headline) } 'Detailed' { [void]$Output.Append($Headline) [void]$Output.Append("The description is: ").Append(($Alert.description -replace '^\.\.', '' -replace '\\n', ' ' -replace "`n", ' ' -replace '\* ', ' ')) [void]$Output.Append("`n") } 'Full' { [void]$Output.Append($Headline) [void]$Output.Append("The description is: ").Append(($Alert.description -replace '^\.\.', '' -replace '\\n', ' ' -replace "`n", ' ' -replace '\* ', ' ')) [void]$Output.Append(($Alert.instruction -replace '\\n', ' ' -replace "`n", '' -replace '\* ', ' ')) [void]$Output.Append("`n") } } [void]$Output.Append("`n") } } [string]$OutputString = $Output.ToString().Trim() if($Speakable) { $OutputString = $OutputString -replace '\bwind(s?)\b', 'winnd$1' -replace '\bmph\b', 'miles per hour' } return $OutputString } } |