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PSFeedModule.ps1
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PSFeedModule.ps1
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<#
-------------------------------------------------------------------------------
Name: Social Media Scripting Framework
Module: Feed Module
Version: 0.5.1 BETA
Date: 2014/02/20
Author: Carlos Veira Lorenzo
e-mail: cveira [at] thinkinbig [dot] org
blog: thinkinbig.org
twitter: @cveira
facebook: www.facebook.com/cveira
Google+: gplus.to/cveira
LinkedIn: es.linkedin.com/in/cveira/
-------------------------------------------------------------------------------
Support:
http://thinkinbig.org/oms/
Forums & Communities:
facebook.com/ThinkInBig
gplus.to/ThinkInBig
http://bit.ly/SMSF-Forum
-------------------------------------------------------------------------------
Code Mirror Sites:
https://smsf.codeplex.com/
https://github.com/cveira/social-media-scripting-framework
https://code.google.com/p/social-media-scripting-framework/
http://sourceforge.net/projects/smsf/
-------------------------------------------------------------------------------
Social Media Scripting Framework.
Copyright (C) 2013 Carlos Veira Lorenzo.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-------------------------------------------------------------------------------
#>
$FEED_FORMAT_NOT_RECOGNIZED = 0
$FEED_FORMAT_IS_RDF = 1
$FEED_FORMAT_IS_ATOM = 2
$FEED_FORMAT_IS_WXR = 3
$FEED_FORMAT_IS_RSS = 4
$FEED_FORMAT_HAS_UNKNOWN_ISSUES = 5
$FEED_FORMAT_HAS_NO_COMMENTS = 6
$FEED_FORMAT_HAS_NO_DATE = 7
$FEED_FORMAT_HAS_NO_CATEGORIES = 8
$FEED_FORMAT_HAS_NO_LANGUAGE = 9
$FEED_FORMAT_HAS_NO_AUTHOR = 10
function Expand-RawFeedDebugCodes( [int[]] $codes ) {
<#
.SYNOPSIS
Composes a friendlier representation for the especified Debug Codes.
.DESCRIPTION
Composes a friendlier representation for the especified Debug Codes.
.EXAMPLE
$FriendlyDebugCodes = Expand-RawFeedDebugCodes -codes @(0, 1, 2)
.NOTES
Low-level function.
.LINK
N/A
#>
$flags = @(
"FEED_FORMAT_NOT_RECOGNIZED" ,
"FEED_FORMAT_IS_RDF" ,
"FEED_FORMAT_IS_ATOM" ,
"FEED_FORMAT_IS_WXR" ,
"FEED_FORMAT_IS_RSS" ,
"FEED_FORMAT_HAS_UNKNOWN_ISSUES" ,
"FEED_FORMAT_HAS_NO_COMMENTS" ,
"FEED_FORMAT_HAS_NO_DATE" ,
"FEED_FORMAT_HAS_NO_CATEGORIES" ,
"FEED_FORMAT_HAS_NO_LANGUAGE" ,
"FEED_FORMAT_HAS_NO_AUTHOR"
)
[string] $DebugFlags = ""
$codes | ForEach-Object { $DebugFlags += "$($flags[$_]), " }
$DebugFlags = $DebugFlags.Substring(0, ($DebugFlags.Length - 2))
return $DebugFlags
}
function Import-RawFeeds( [string] $from ) {
<#
.SYNOPSIS
Loads feed sources either from a TXT or from an OPML file.
.DESCRIPTION
Loads feed sources either from a TXT or from an OPML file.
.EXAMPLE
$MyFeeds = Import-RawFeeds -from MyFeeds.opml
$MyFeeds = Import-RawFeeds -from MyFeeds.txt
$MyFeeds = Import-RawFeeds -from FeedSubscriptions.xml
$MyFeeds = Import-RawFeeds -from $connections.Feeds.DefaultFeedSource
.NOTES
Low-level function.
.LINK
N/A
#>
$TYPE_XML = "xml"
$TYPE_OPML = "opml"
$FeedsSourceFile = "$CurrentProfileDir\$from"
if ( Test-Path $FeedsSourceFile ) {
$FileName = $from.Split(".")
if ( ( $FileName[ ( $FileName.Length - 1 ) ] -eq $TYPE_XML ) -or ( $FileName[ ( $FileName.Length - 1 ) ] -eq $TYPE_OPML ) ) {
[xml] $feeds = Get-Content $FeedsSourceFile
$feeds.opml.body.outline.outline.xmlUrl | Select-Object -unique
} else {
Get-Content $FeedsSourceFile | Select-Object -unique
}
}
}
function Backup-RawFeedContent( [string[]] $from ) {
<#
.SYNOPSIS
Downloads content from each of the feeds especified.
.DESCRIPTION
Downloads content from each of the feeds especified. Feed sources used are usually the ones previously loaded using Import-RawFeeds.
.EXAMPLE
$MyFeeds = Backup-RawFeedContent -from $MyFeeds
$MyFeeds = Backup-RawFeedContent -from $( Import-RawFeeds -from FeedSubscriptions.xml )
$MyFeeds = Backup-RawFeedContent -from $( Import-RawFeeds -from $connections.Feeds.DefaultFeedSource )
$MyFeeds = Backup-RawFeedContent -from "http://domain.com/feed"
.NOTES
Low-level function.
.LINK
N/A
#>
$LogFileName = "FeedModule-FailingFeeds"
$ExecutionTime = [Diagnostics.Stopwatch]::StartNew()
$ExecutionTime.Stop()
$FeedsProcessed = 1
$AverageElapsedTime = 0
$from | ForEach-Object {
if ( $AverageElapsedTime -eq 0 ) {
$AverageElapsedTime = $ExecutionTime.Elapsed.TotalMinutes
} else {
$AverageElapsedTime = ( $AverageElapsedTime + $ExecutionTime.Elapsed.TotalMinutes ) / 2
}
Write-Progress -Activity "Retrieving Feeds ..." -Status "Progress: $FeedsProcessed / $($from.Count) - ETC: $( '{0:#0.00}' -f (( $($from.Count) - $FeedsProcessed ) * $AverageElapsedTime) ) minutes - Time Elapsed: $( '{0:#0.00}' -f (( $FeedsProcessed - 1 ) * $AverageElapsedTime) ) minutes" -PercentComplete ( ( $FeedsProcessed / $($from.Count) ) * 100 )
$ExecutionTime = [Diagnostics.Stopwatch]::StartNew()
$CurrentFeed = $_
Try {
$CurrentContent = Get-PageSourceCode $CurrentFeed
$FileName = $CurrentFeed.Split("/")[2]
if ( $FileName -imatch "feedburner" ) { $FileName = $FileName + "-" + $($CurrentFeed.Split("/")[3]) }
$FileType = "xml"
if ( ([xml] $CurrentContent).rdf -ne $null ) { $FileType = "rdf" }
if ( ([xml] $CurrentContent).feed -ne $null ) { $FileType = "atom" }
if ( ([xml] $CurrentContent).rss -ne $null ) { $FileType = "rss" }
$CurrentContent | Set-Content "$FeedsCacheDir\$FileName.$FileType" -Encoding UTF8
} Catch {
"$(get-date -format u) [$($($_.FullyQualifiedErrorId | Out-String).Trim())] - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
}
$ExecutionTime.Stop()
$FeedsProcessed++
}
}
function Get-RawFeedPostMetadata( $from, [int] $format = $FEED_FORMAT_IS_RSS ) {
<#
.SYNOPSIS
Analizes a given post on a certain format and returns all the relevant meta data.
.DESCRIPTION
Analizes a given post on a certain format and returns all the relevant meta data.
.EXAMPLE
$PostInfo = Get-RawFeedPostMetadata -from $Post -format $FEED_FORMAT_IS_ATOM
.NOTES
Low-level function.
.LINK
N/A
#>
$LogFileName = "FeedModule-MetaData"
$DumpFileName = "FeedModule-RawDump"
$XmlPost = $from
$IssuesFound = $false
$NormalizedPost = New-Object -Type PSObject -Property @{
PermaLink = ""
SourceDomain = ""
Language = ""
Title = ""
Author = ""
PublishingDate = Get-Date -format $DefaultDateFormat
Categories = @()
Tags = @()
Keywords = @()
CommentsCount = 0
SourceFormat = "Unknown"
DebugCodes = @( $FEED_FORMAT_NOT_RECOGNIZED )
}
# RDF structure
if ( $format -eq $FEED_FORMAT_IS_RDF ) {
Try {
$NormalizedPost.PermaLink = $XmlPost.origLink
$NormalizedPost.SourceDomain = ""
$NormalizedPost.Language = ""
$NormalizedPost.Title = $XmlPost.title
$NormalizedPost.Author = $XmlPost.creator
$NormalizedPost.PublishingDate = if ( $XmlPost.date -eq $null) { [datetime] 0 } else { [datetime] $XmlPost.date }
$NormalizedPost.Categories = if ( $XmlPost.subject -eq $null ) { @() } else { @( $XmlPost.subject ) }
$NormalizedPost.Tags = @()
$NormalizedPost.Keywords = @()
$NormalizedPost.CommentsCount = 0
$NormalizedPost.SourceFormat = "RDF"
$NormalizedPost.DebugCodes = @( $FEED_FORMAT_IS_RDF, $FEED_FORMAT_HAS_NO_COMMENTS )
} catch {
( $XmlPost | Out-String ).Trim() >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"-------------------------------------------------------------------------------" >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"$(get-date -format u) [$($($_.FullyQualifiedErrorId | Out-String).Trim())] - $($XmlPost.title)" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_UNKNOWN_ISSUES
}
if ( $XmlPost.date -eq $null ) {
"$(get-date -format u) [RDF] - Post without Date - $($XmlPost.title)" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_NO_DATE
}
if ( $XmlPost.subject -eq $null ) {
"$(get-date -format u) [RDF] - Post without Categories - $($XmlPost.title)" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_NO_CATEGORIES
}
}
# Atom structure
if ( $format -eq $FEED_FORMAT_IS_ATOM ) {
Try {
$AtomTitle = "Unknown"
if ( $null -eq $XmlPost.title."#text" ) {
$AtomTitle = $XmlPost.title
} else {
$AtomTitle = $XmlPost.title."#text"
}
$NormalizedPost.PermaLink = $( $XmlPost.link | Where-Object { $_.rel -eq 'alternate' } ).href
$NormalizedPost.SourceDomain = ""
$NormalizedPost.Language = ""
$NormalizedPost.Title = $AtomTitle
$NormalizedPost.Author = $XmlPost.author.name
$NormalizedPost.PublishingDate = if ( $XmlPost.updated -eq $null ) { [datetime] 0 } else { [datetime] $XmlPost.updated }
$NormalizedPost.Categories = if ( $XmlPost.category.term -eq $null ) { @() } else { @( $XmlPost.category.term ) }
$NormalizedPost.Tags = @()
$NormalizedPost.Keywords = @()
$NormalizedPost.CommentsCount = if ( $XmlPost.total -eq $null ) { 0 } else { $XmlPost.total }
$NormalizedPost.SourceFormat = "Atom"
$NormalizedPost.DebugCodes = @( $FEED_FORMAT_IS_ATOM )
} Catch {
( $XmlPost | Out-String ).Trim() >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"-------------------------------------------------------------------------------" >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"$(get-date -format u) [$($($_.FullyQualifiedErrorId | Out-String).Trim())] - $AtomTitle)" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_UNKNOWN_ISSUES
}
if ( $XmlPost.updated -eq $null ) {
"$(get-date -format u) [ATOM] - Post without Date - $AtomTitle" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_NO_DATE
}
if ( $XmlPost.total -eq $null ) {
"$(get-date -format u) [ATOM] - Post without CommentsCount - $AtomTitle" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_NO_COMMENTS
}
if ( $XmlPost.category.term -eq $null ) {
"$(get-date -format u) [ATOM] - Post without Categories - $($XmlPost.title."#text")" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_NO_CATEGORIES
}
}
# WXR (WordPress eXtended RSS) structure
if ( $format -eq $FEED_FORMAT_IS_WXR ) {
Try {
$NormalizedPost.PermaLink = $XmlPost.link
$NormalizedPost.SourceDomain = ""
$NormalizedPost.Language = ""
$NormalizedPost.Title = $XmlPost.title
$NormalizedPost.Author = $XmlPost.creator
$NormalizedPost.PublishingDate = if ( $XmlPost.pubDate -eq $null ) { [datetime] 0 } else { [datetime] $XmlPost.pubDate }
$NormalizedPost.Categories = if ( ( $XmlPost.category | Where-Object { $_.domain -eq "category" } ) -eq $null ) { @() } else { @( ( $XmlPost.category | Where-Object { $_.domain -eq "category" } | Select-Object "#cdata-section" )."#cdata-section" ) }
$NormalizedPost.Tags = if ( ( $XmlPost.category | Where-Object { $_.domain -ne "category" } ) -eq $null ) { @() } else { @( ( $XmlPost.category | Where-Object { $_.domain -ne "category" } | Select-Object "#cdata-section" )."#cdata-section" ) }
$NormalizedPost.Keywords = @()
$NormalizedPost.CommentsCount = if ( $XmlPost.comment.Count -eq $null ) { if ( $XmlPost.comment.comment_id -ne $null ) { 1 } else { 0 } } else { $XmlPost.comment.Count }
$NormalizedPost.SourceFormat = "WXR"
$NormalizedPost.DebugCodes = @( $FEED_FORMAT_IS_WXR )
} Catch {
( $XmlPost | Out-String ).Trim() >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"-------------------------------------------------------------------------------" >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"$(get-date -format u) [$($($_.FullyQualifiedErrorId | Out-String).Trim())] - $($XmlPost.title)" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_UNKNOWN_ISSUES
}
if ( $XmlPost.pubDate -eq $null ) {
"$(get-date -format u) [WXR] - Post without Date - $($XmlPost.title)" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_NO_DATE
}
if ( $XmlPost.category."#cdata-section" -eq $null ) {
"$(get-date -format u) [WXR] - Post without Categories - $($XmlPost.title)" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_NO_CATEGORIES
}
}
# Standard RSS structure
if ( $format -eq $FEED_FORMAT_IS_RSS ) {
Try {
$SkipRssCategory = $true
$RssCategoryPropertyName = ""
if ( ( $XmlPost | Get-Member -MemberType Property | Select-Object Name ).Name -contains "category" ) {
$SkipRssCategory = $false
if ( ( $XmlPost.category | Get-Member -MemberType Property | Select-Object Name ).Name -is [array] ) {
$RssCategoryPropertyName = $( $XmlPost.category | Get-Member -MemberType Property | Select-Object Name ).Name[0]
} else {
$RssCategoryPropertyName = $( $XmlPost.category | Get-Member -MemberType Property | Select-Object Name ).Name
if ( $RssCategoryPropertyName -eq "Length" ) {
$RssCategoryPropertyName = ""
}
}
}
$RssAuthorName = ""
if ( ( $XmlPost | Get-Member -MemberType Property | Select-Object Name ).Name -contains "creator" ) {
if ( ( $XmlPost.creator | Get-Member -MemberType Property | Select-Object Name ).Name -contains "Length" ) {
if ( $XmlPost.creator.count -gt 1 ) {
$RssAuthorName = $XmlPost.creator[0]
} else {
$RssAuthorName = $XmlPost.creator
}
} else {
if ( ( $XmlPost.creator | Get-Member -MemberType Property | Select-Object Name ).Name -is [array] ) {
if ( ( $XmlPost.creator | Get-Member -MemberType Property | Select-Object Name ).Name[0] -match "#" ) {
$RssAuthorName = $XmlPost.creator.$( ( $XmlPost.creator | Get-Member -MemberType Property | Select-Object Name ).Name[0] )
}
} else {
if ( ( $XmlPost.creator | Get-Member -MemberType Property | Select-Object Name ).Name[0] -match "#" ) {
$RssAuthorName = $XmlPost.creator.$( ( $XmlPost.creator | Get-Member -MemberType Property | Select-Object Name ).Name )
}
}
}
} elseif ( ( $XmlPost | Get-Member -MemberType Property | Select-Object Name ).Name -contains "author" ) {
if ( ( $XmlPost.author | Get-Member -MemberType Property | Select-Object Name ).Name -contains "Length" ) {
if ( $XmlPost.author.count -gt 1 ) {
$RssAuthorName = $XmlPost.author[0]
} else {
$RssAuthorName = $XmlPost.author
}
} else {
if ( ( $XmlPost.author | Get-Member -MemberType Property | Select-Object Name ).Name -is [array] ) {
if ( ( $XmlPost.author | Get-Member -MemberType Property | Select-Object Name ).Name[0] -match "#" ) {
$RssAuthorName = $XmlPost.author.$( ( $XmlPost.author | Get-Member -MemberType Property | Select-Object Name ).Name[0] )
}
} else {
if ( ( $XmlPost.author | Get-Member -MemberType Property | Select-Object Name ).Name[0] -match "#" ) {
$RssAuthorName = $XmlPost.author.$( ( $XmlPost.author | Get-Member -MemberType Property | Select-Object Name ).Name )
}
}
}
}
$RssPubDate = [datetime] 0
if ( $XmlPost.pubDate -ne $null ) {
if ( $XmlPost.pubDate."#cdata-section" -is [string] ) {
if ( $XmlPost.pubDate."#cdata-section" -match "GMT 00:00:00 GMT" ) {
$RssPubDate = $( $XmlPost.pubDate."#cdata-section" -replace "00:00:00 GMT", "" )
} else {
$RssPubDate = $XmlPost.pubDate."#cdata-section"
}
if ( $RssPubDate -match "ACDT|ACST|ADT|AEDT|AEST|AFT|AKDT|AKST|ALMT|AMST|AMT|ANAST|ANAT|AQTT|ART|AST|AWDT|AWST|AZOST|AZOT|AZST|AZT|BNT|BOT|BRST|BRT|BST|BTT|CAT|CCT|CDT|CEST|CET|CHADT|CHAST|CLST|CLT|COT|CST|CVT|CXT|ChST|DAVT|EASST|EAST|EAT|ECT|EDT|EEST|EET|EGST|EGT|EST|ET|FJST|FJT|FKT|GALT|GAMT|GET|GFT|GILT|GMT|GST|GYT|HAA|HAC|HADT|HAE|HAP|HAR|HAST|HAT|HAY|HKT|HLV|HNA|HNC|HNE|HNR|HNT|HNY|HOVT|ICT|IOT|IRDT|IRKST|IRKT|IRST|IST|JST|KGT|KRAST|KST|KUYT|LHDT|LHST|LINT|MAGST|MAGT|MART|MAWT|MDT|MESZ|MEZ|MHT|MMT|MSD|MSK|MST|MUT|MVT|MYT|NCT|NDT|NFT|NOVST|NOVT|NPT|NUT|NZDT|NZST|OMSST|OMST|PDT|PET|PETST|PETT|PGT|PHOT|PKT|PMDT|PMST|PONT|PST|PWT|PYST|PYT|SAMT|SAST|SBT|SCT|SGT|SRT|SST|TAHT|TFT|TJT|TKT|TLT|TMT|TVT|ULAT|UYST|UYT|UZT|VET|VLAST|VLAT|VUT|WAST|WAT|WEST|WESZ|WET|WFT|WGST|WIB|WIT|WITA|WST|WT|YAKST|YAKT|YAPT|YEKST|YEKT" ) {
$RssPubDate = [datetime] $( $RssPubDate -replace $Matches.0, "" )
}
} else {
if ( $XmlPost.pubDate -match "GMT 00:00:00 GMT" ) {
$RssPubDate = $( $XmlPost.pubDate -replace "00:00:00 GMT", "" )
} else {
$RssPubDate = $XmlPost.pubDate
}
if ( $RssPubDate -match "ACDT|ACST|ADT|AEDT|AEST|AFT|AKDT|AKST|ALMT|AMST|AMT|ANAST|ANAT|AQTT|ART|AST|AWDT|AWST|AZOST|AZOT|AZST|AZT|BNT|BOT|BRST|BRT|BST|BTT|CAT|CCT|CDT|CEST|CET|CHADT|CHAST|CLST|CLT|COT|CST|CVT|CXT|ChST|DAVT|EASST|EAST|EAT|ECT|EDT|EEST|EET|EGST|EGT|EST|ET|FJST|FJT|FKT|GALT|GAMT|GET|GFT|GILT|GMT|GST|GYT|HAA|HAC|HADT|HAE|HAP|HAR|HAST|HAT|HAY|HKT|HLV|HNA|HNC|HNE|HNR|HNT|HNY|HOVT|ICT|IOT|IRDT|IRKST|IRKT|IRST|IST|JST|KGT|KRAST|KST|KUYT|LHDT|LHST|LINT|MAGST|MAGT|MART|MAWT|MDT|MESZ|MEZ|MHT|MMT|MSD|MSK|MST|MUT|MVT|MYT|NCT|NDT|NFT|NOVST|NOVT|NPT|NUT|NZDT|NZST|OMSST|OMST|PDT|PET|PETST|PETT|PGT|PHOT|PKT|PMDT|PMST|PONT|PST|PWT|PYST|PYT|SAMT|SAST|SBT|SCT|SGT|SRT|SST|TAHT|TFT|TJT|TKT|TLT|TMT|TVT|ULAT|UYST|UYT|UZT|VET|VLAST|VLAT|VUT|WAST|WAT|WEST|WESZ|WET|WFT|WGST|WIB|WIT|WITA|WST|WT|YAKST|YAKT|YAPT|YEKST|YEKT" ) {
$RssPubDate = [datetime] $( $RssPubDate -replace $Matches.0, "" )
}
}
}
$NormalizedPost.PermaLink = if ( $XmlPost.origLink -eq $null ) { $XmlPost.link } else { $XmlPost.origLink }
$NormalizedPost.SourceDomain = ""
$NormalizedPost.Language = ""
$NormalizedPost.Title = if ( $XmlPost.title."#cdata-section" -is [string] ) { $XmlPost.title."#cdata-section" } else { $XmlPost.title }
$NormalizedPost.Author = $RssAuthorName
$NormalizedPost.PublishingDate = $RssPubDate
$NormalizedPost.Categories = if ( $SkipRssCategory ) { @() } else { if ( $RssCategoryPropertyName -eq "" ) { @( $XmlPost.category ) } else { @( $XmlPost.category.$RssCategoryPropertyName ) } }
$NormalizedPost.Tags = @()
$NormalizedPost.Keywords = @()
try {
$NormalizedPost.CommentsCount = if ( $XmlPost.comments -eq $null ) { 0 } else { [int] $XmlPost.comments[1] }
} catch {
try {
$NormalizedPost.CommentsCount = if ( $XmlPost.comments -eq $null ) { 0 } else { [int] $XmlPost.comments[0] }
} catch {
$NormalizedPost.CommentsCount = 0
}
}
$NormalizedPost.SourceFormat = "RSS"
$NormalizedPost.DebugCodes = @( $FEED_FORMAT_IS_RSS )
} Catch {
( $XmlPost | Out-String ).Trim() >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"-------------------------------------------------------------------------------" >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"$(get-date -format u) [$($($_.FullyQualifiedErrorId | Out-String).Trim())] - $($XmlPost.title)" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_UNKNOWN_ISSUES
}
if ( $XmlPost.pubDate -eq $null ) {
"$(get-date -format u) [RSS] - Post without Date - $($XmlPost.title)" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_NO_DATE
}
if ( $RssCategoryPropertyName -eq "" ) {
"$(get-date -format u) [RSS] - Post without Categories - $($XmlPost.title)" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_NO_CATEGORIES
} elseif ( $XmlPost.category.$RssCategoryPropertyName -eq $null ) {
"$(get-date -format u) [RSS] - Post without Categories - $($XmlPost.title)" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$NormalizedPost.DebugCodes += $FEED_FORMAT_HAS_NO_CATEGORIES
}
}
return $NormalizedPost
}
function Get-RawFeedMetadata( [string[]] $from = $( ( Get-ChildItem $FeedsCacheDir\*.* -include *.rss,*.atom,*.rdf,*.xml ).name ) ) {
<#
.SYNOPSIS
Analizes a given feed file(s) and returns all the relevant meta data.
.DESCRIPTION
Analizes a given feed file(s) and returns all the relevant meta data. Feed sources used are usually the ones previously loaded using Backup-RawFeedContent.
.EXAMPLE
$PostsInfo = Get-RawFeedMetadata
$PostsInfo = Get-RawFeedMetadata -from MyBlog.xml
.NOTES
Low-level function.
.LINK
N/A
#>
$LogFileName = "FeedModule-MetaData"
$DumpFileName = "FeedModule-RawDump"
$ExecutionTime = [Diagnostics.Stopwatch]::StartNew()
$ExecutionTime.Stop()
$FeedsProcessed = 1
$AverageElapsedTime = 0
$ElapsedTime = 0
$GlobalIssuesCount = 0
$FeedIssuesCount = 0
[PSObject[]] $posts = @()
# $DebugPreference = "Continue"
foreach ( $CurrentFeed in $from ) {
if ( $AverageElapsedTime -eq 0 ) {
$AverageElapsedTime = $ExecutionTime.Elapsed.TotalMinutes
} else {
$AverageElapsedTime = ( $AverageElapsedTime + $ExecutionTime.Elapsed.TotalMinutes ) / 2
}
$ElapsedTime += $ExecutionTime.Elapsed.TotalMinutes
Write-Progress -Activity "Processing Feeds ..." -Status "Progress: $FeedsProcessed / $($from.Count) - ETC: $( '{0:#0.00}' -f (( $($from.Count) - $FeedsProcessed ) * $AverageElapsedTime) ) minutes - Time Elapsed: $( '{0:#0.00}' -f $ElapsedTime ) minutes" -PercentComplete ( ( $FeedsProcessed / $($from.Count) ) * 100 ) -currentOperation $CurrentFeed -Id 0
$ExecutionTime = [Diagnostics.Stopwatch]::StartNew()
Write-Debug ""
Write-Debug "Current Feed: $CurrentFeed"
"$(get-date -format u) [START] - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$CurrentContent = Get-Content $FeedsCacheDir\$CurrentFeed
$CurrentSourceDomain = ""
$CurrentLanguage = ""
$PostsProcessed = 1
# Content is an RSS or WXR feed
if ( ([xml] $CurrentContent).rss -ne $null ) {
Write-Debug "Feed Type: RSS or WXR"
Try {
if ( ([xml] $CurrentContent).rss.channel.link.href -eq $null ) {
$CurrentSourceDomain = ([xml] $CurrentContent).rss.channel.link.Split("/")[2]
} else {
$CurrentSourceDomain = ([xml] $CurrentContent).rss.channel.link.href.Split("/")[2]
}
$CurrentPostsCount = ([xml] $CurrentContent).rss.channel.item.count
$CurrentFeedAuthor = "Unknown"
"$(get-date -format u) [RSS] - Feed Metadata: FEED_FORMAT_HAS_NO_AUTHOR - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Feed Metadata: FEED_FORMAT_HAS_NO_AUTHOR"
if ( ([xml] $CurrentContent).rss.channel.language ) {
$CurrentFeedLanguage = ([xml] $CurrentContent).rss.channel.language
} else {
$CurrentFeedLanguage = "Unknown"
"$(get-date -format u) [RSS] - Feed Metadata: FEED_FORMAT_HAS_NO_LANGUAGE - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Feed Metadata: FEED_FORMAT_HAS_NO_LANGUAGE"
}
"$(get-date -format u) [RSS] - Feed Metadata: OK - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Feed Metadata: OK"
} Catch {
"$(get-date -format u) [RSS] - Feed Metadata: UNKNOWN_FEED_ERRORS_FOUND - $CurrentFeed" >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
( ([xml] $CurrentContent).rss | Out-String ).Trim() >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
( ([xml] $CurrentContent).rss.channel | Out-String ).Trim() >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"-------------------------------------------------------------------------------" >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"$(get-date -format u) [RSS] - Feed Metadata: UNKNOWN_FEED_ERRORS_FOUND - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
"$(get-date -format u) [$($($_.FullyQualifiedErrorId | Out-String).Trim())] - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Feed Metadata: UNKNOWN_FEED_ERRORS_FOUND"
}
if ( ([xml] $CurrentContent).rss.wp -ilike "*wordpress.org/export/*" ) {
$RssDialect = $FEED_FORMAT_IS_WXR
} else {
$RssDialect = $FEED_FORMAT_IS_RSS
}
([xml] $CurrentContent).rss.channel.item | ForEach-Object {
$CurrentBlogPost = Get-RawFeedPostMetadata -from $_ -format $RssDialect
Write-Progress -Activity "Parsing Posts ..." -Id 1 -ParentId 0 -Status "Progress: $PostsProcessed / $CurrentPostsCount" -PercentComplete ( ( $PostsProcessed / $CurrentPostsCount ) * 100 ) -currentOperation $CurrentBlogPost.Title
# Write-Debug "Post Metadata not NULL: $($CurrentBlogPost -ne $null)"
if ( ( "" -eq $CurrentBlogPost.Author ) -or ( $null -eq $CurrentBlogPost.Author ) ) {
$CurrentBlogPost.Author = $CurrentFeedAuthor
if ( $CurrentFeedAuthor -eq "Unknown" ) { $CurrentBlogPost.DebugCodes += $FEED_FORMAT_HAS_NO_AUTHOR }
}
if ( ( "" -eq $CurrentBlogPost.Language ) -or ( $null -eq $CurrentBlogPost.Language ) ) {
$CurrentBlogPost.Language = $CurrentFeedLanguage
if ( $CurrentFeedLanguage -eq "Unknown" ) { $CurrentBlogPost.DebugCodes += $FEED_FORMAT_HAS_NO_LANGUAGE }
}
if ( ( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_NOT_RECOGNIZED ) -or ( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_UNKNOWN_ISSUES ) -or
( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_COMMENTS ) -or ( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_DATE ) -or
( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_CATEGORIES ) -or ( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_LANGUAGE ) -or
( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_AUTHOR ) ) {
"$(get-date -format u) [RSS] - Post with issues: $( Expand-RawFeedDebugCodes $CurrentBlogPost.DebugCodes ) - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Post with issues: $( Expand-RawFeedDebugCodes $CurrentBlogPost.DebugCodes )"
$FeedIssuesCount++
}
$CurrentBlogPost.SourceDomain = $CurrentSourceDomain
$posts += $CurrentBlogPost
$PostsProcessed++
}
}
# Content is an Atom feed
if ( ([xml] $CurrentContent).feed -ne $null ) {
Write-Debug "Feed Type: ATOM"
Try {
$CurrentSourceDomain = ([xml] $CurrentContent).feed.link.href.Split("/")[2]
$CurrentPostsCount = ([xml] $CurrentContent).feed.entry.count
$CurrentFeedLanguage = "Unknown"
"$(get-date -format u) [ATOM] - Feed Metadata: FEED_FORMAT_HAS_NO_LANGUAGE - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Feed Metadata: FEED_FORMAT_HAS_NO_LANGUAGE"
if ( $null -ne ([xml] $CurrentContent).feed.author.name ) {
$CurrentFeedAuthor = ([xml] $CurrentContent).feed.author.name
} else {
$CurrentFeedAuthor = "Unknown"
"$(get-date -format u) [ATOM] - Feed Metadata: FEED_FORMAT_HAS_NO_AUTHOR - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Feed Metadata: FEED_FORMAT_HAS_NO_AUTHOR"
}
"$(get-date -format u) [ATOM] - Feed Metadata: OK - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Feed Metadata: OK"
} Catch {
"$(get-date -format u) [ATOM] - Feed Metadata: UNKNOWN_FEED_ERRORS_FOUND - $CurrentFeed" >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
( ([xml] $CurrentContent).feed | Out-String ).Trim() >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"-------------------------------------------------------------------------------" >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"$(get-date -format u) [ATOM] - Feed Metadata: UNKNOWN_FEED_ERRORS_FOUND - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
"$(get-date -format u) [$($($_.FullyQualifiedErrorId | Out-String).Trim())] - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Feed Metadata: UNKNOWN_FEED_ERRORS_FOUND"
}
([xml] $CurrentContent).feed.entry | ForEach-Object {
$CurrentBlogPost = Get-RawFeedPostMetadata -from $_ -format $FEED_FORMAT_IS_ATOM
Write-Progress -Activity "Parsing Posts ..." -Id 1 -ParentId 0 -Status "Progress: $PostsProcessed / $CurrentPostsCount" -PercentComplete ( ( $PostsProcessed / $CurrentPostsCount ) * 100 ) -currentOperation $CurrentBlogPost.Title
# Write-Debug "Post Metadata not NULL: $($CurrentBlogPost -ne $null)"
if ( ( "" -eq $CurrentBlogPost.Author ) -or ( $null -eq $CurrentBlogPost.Author ) ) {
$CurrentBlogPost.Author = $CurrentFeedAuthor
if ( $CurrentFeedAuthor -eq "Unknown" ) { $CurrentBlogPost.DebugCodes += $FEED_FORMAT_HAS_NO_AUTHOR }
}
if ( ( "" -eq $CurrentBlogPost.Language ) -or ( $null -eq $CurrentBlogPost.Language ) ) {
$CurrentBlogPost.Language = $CurrentFeedLanguage
if ( $CurrentFeedLanguage -eq "Unknown" ) { $CurrentBlogPost.DebugCodes += $FEED_FORMAT_HAS_NO_LANGUAGE }
}
if ( ( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_NOT_RECOGNIZED ) -or ( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_UNKNOWN_ISSUES ) -or
( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_COMMENTS ) -or ( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_DATE ) -or
( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_CATEGORIES ) -or ( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_LANGUAGE ) -or
( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_AUTHOR ) ) {
"$(get-date -format u) [ATOM] - Post with issues: $( Expand-RawFeedDebugCodes $CurrentBlogPost.DebugCodes ) - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Post with issues: $( Expand-RawFeedDebugCodes $CurrentBlogPost.DebugCodes )"
$FeedIssuesCount++
}
$CurrentBlogPost.SourceDomain = $CurrentSourceDomain
$posts += $CurrentBlogPost
$PostsProcessed++
}
}
# Content is an RDF feed
if ( ([xml] $CurrentContent).rdf -ne $null ) {
Write-Debug "Feed Type: RDF"
Try {
$CurrentSourceDomain = ( ([xml] $CurrentContent).GetEnumerator().childnodes | Where-Object { !$_.encoded } ).about.Split("/")[2]
$CurrentPostsCount = ( ([xml] $CurrentContent).GetEnumerator().childnodes | Where-Object { $_.encoded } ).count
$CurrentFeedAuthor = "Unknown"
"$(get-date -format u) [RDF] - Feed Metadata: FEED_FORMAT_HAS_NO_AUTHOR - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Feed Metadata: FEED_FORMAT_HAS_NO_AUTHOR"
if ( $null -ne ( ([xml] $CurrentContent).GetEnumerator().childnodes | Where-Object { !$_.encoded } ).language ) {
$CurrentFeedLanguage = ( ([xml] $CurrentContent).GetEnumerator().childnodes | Where-Object { !$_.encoded } ).language
} else {
$CurrentFeedLanguage = "Unknown"
"$(get-date -format u) [RDF] - Feed Metadata: FEED_FORMAT_HAS_NO_LANGUAGE - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Feed Metadata: FEED_FORMAT_HAS_NO_LANGUAGE"
}
"$(get-date -format u) [RDF] - Feed Metadata: OK - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Feed Metadata: OK"
} Catch {
"$(get-date -format u) [RDF] - Feed Metadata: UNKNOWN_FEED_ERRORS_FOUND - $CurrentFeed" >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
( ([xml] $CurrentContent).GetEnumerator().childnodes | Where-Object { !$_.encoded } | Out-String ).Trim() >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
( ([xml] $CurrentContent).rdf | Out-String ).Trim() >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"-------------------------------------------------------------------------------" >> $CurrentLogsDir\$DumpFileName-$CurrentSessionId.log
"$(get-date -format u) [RDF] - Feed Metadata: UNKNOWN_FEED_ERRORS_FOUND - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
"$(get-date -format u) [$($($_.FullyQualifiedErrorId | Out-String).Trim())] - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Feed Metadata: UNKNOWN_FEED_ERRORS_FOUND"
}
([xml] $CurrentContent).GetEnumerator().childnodes | Where-Object { $_.encoded } | ForEach-Object {
$CurrentBlogPost = Get-RawFeedPostMetadata -from $_ -format $FEED_FORMAT_IS_RDF
Write-Progress -Activity "Parsing Posts ..." -Id 1 -ParentId 0 -Status "Progress: $PostsProcessed / $CurrentPostsCount" -PercentComplete ( ( $PostsProcessed / $CurrentPostsCount ) * 100 ) -currentOperation $CurrentBlogPost.Title
# Write-Debug "Post Metadata not NULL: $($CurrentBlogPost -ne $null)"
if ( ( "" -eq $CurrentBlogPost.Author ) -or ( $null -eq $CurrentBlogPost.Author ) ) {
$CurrentBlogPost.Author = $CurrentFeedAuthor
if ( $CurrentFeedAuthor -eq "Unknown" ) { $CurrentBlogPost.DebugCodes += $FEED_FORMAT_HAS_NO_AUTHOR }
}
if ( ( "" -eq $CurrentBlogPost.Language ) -or ( $null -eq $CurrentBlogPost.Language ) ) {
$CurrentBlogPost.Language = $CurrentFeedLanguage
if ( $CurrentFeedLanguage -eq "Unknown" ) { $CurrentBlogPost.DebugCodes += $FEED_FORMAT_HAS_NO_LANGUAGE }
}
if ( ( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_NOT_RECOGNIZED ) -or ( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_UNKNOWN_ISSUES ) -or
( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_COMMENTS ) -or ( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_DATE ) -or
( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_CATEGORIES ) -or ( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_LANGUAGE ) -or
( $CurrentBlogPost.DebugCodes -contains $FEED_FORMAT_HAS_NO_AUTHOR ) ) {
"$(get-date -format u) [RDF] - Post with issues: $( Expand-RawFeedDebugCodes $CurrentBlogPost.DebugCodes ) - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Post with issues: $( Expand-RawFeedDebugCodes $CurrentBlogPost.DebugCodes )"
$FeedIssuesCount++
}
$CurrentBlogPost.SourceDomain = $CurrentSourceDomain
$posts += $CurrentBlogPost
$PostsProcessed++
}
}
"$(get-date -format u) [Feed] - Posts in the Feed: $CurrentPostsCount - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
"$(get-date -format u) [Feed] - Feed Issues identified: $FeedIssuesCount - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "Posts in the Feed: $CurrentPostsCount"
Write-Debug "Feed Issues identified: $FeedIssuesCount"
"$(get-date -format u) [END] - $CurrentFeed" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
$GlobalIssuesCount += $FeedIssuesCount
$FeedIssuesCount = 0
$ExecutionTime.Stop()
$FeedsProcessed++
}
"$(get-date -format u) [FeedMetaData] - Total posts processed: $($posts.count)" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
"$(get-date -format u) [FeedMetaData] - Global Issues identified: $GlobalIssuesCount" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug ""
Write-Debug "Total posts processed: $($posts.count)"
Write-Debug "Global Issues identified: $GlobalIssuesCount"
# $DebugPreference = "SilentlyContinue"
$posts
}
function Get-RawFeedsTimeLine( $source = $connections.Feeds.DefaultFeedSource ) {
<#
.SYNOPSIS
Composes a Time Line with every post from all the Feed Sources especified.
.DESCRIPTION
Composes a Time Line with every post from all the Feed Sources especified. If local data cache is still valid, it will use it as the data source.
.EXAMPLE
$FeedRawTimeLine = Get-RawFeedsTimeLine
$FeedRawTimeLine = Get-RawFeedsTimeLine -source FeedSubscriptions.xml
$FeedRawTimeLine = Get-RawFeedsTimeLine -source $connections.Feeds.DefaultFeedSource
.NOTES
Low-level function.
.LINK
N/A
#>
$CacheFile = "$CurrentCacheDir\FeedsTimeLineCache.xml"
if ( Test-Path $CacheFile ) {
[int] $CacheAge = -( Get-ChildItem $CacheFile ).LastWriteTime.Subtract( $( Get-Date ) ).TotalHours
Write-Debug "[Get-RawFeedsTimeLine] - Current Cache Age: $CacheAge"
if ( $CacheAge -gt $connections.Feeds.PostsCacheExpiration ) {
Write-Debug "[Get-RawFeedsTimeLine] - Cache expired. Loading content from the original sources."
Backup-RawFeedContent -from $( Import-RawFeeds -from $source )
$TimeLine += Get-RawFeedMetadata
$TimeLine | Export-CliXml $CacheFile
Write-Debug "[Get-RawFeedsTimeLine] - Local cache has been refreshed."
} else {
$TimeLine = Import-CliXml $CacheFile
Write-Debug "[Get-RawFeedsTimeLine] - Content loaded from Local Cache."
}
} else {
Write-Debug "[Get-RawFeedsTimeLine] - Loading content from the original sources."
Backup-RawFeedContent -from $( Import-RawFeeds -from $source )
$TimeLine += Get-RawFeedMetadata
$TimeLine | Export-CliXml $CacheFile
Write-Debug "[Get-RawFeedsTimeLine] - Local cache has been created."
}
$TimeLine
}
function Search-RawFeedPost( [string] $text, [ref] $on, [string] $by = "digest" ) {
<#
.SYNOPSIS
Composes a Time Line with every post from all the Feed Sources especified.
.DESCRIPTION
Composes a Time Line with every post from all the Feed Sources especified. If local data cache is still valid, it will use it as the data source.
.EXAMPLE
$PostFromFeed = Search-RawFeedPost -text $post.NormalizedPost.PermaLink -on ([ref] $TimeLine) -by PermaLink
$PostFromFeed = Search-RawFeedPost -text $post.NormalizedPost.PostId -on ([ref] $TimeLine) -by Id
$PostFromFeed = Search-RawFeedPost -text $post.NormalizedPost.PostDigest -on ([ref] $TimeLine) -by Digest
$PostFromFeed = Search-RawFeedPost -text $post.NormalizedPost.PostDigest -on ([ref] $TimeLine)
.NOTES
Low-level function. TimeLine is not normalized (is in Raw format)
.LINK
N/A
#>
$post = $null
switch ( $by.ToLower() ) {
"permalink" {
$on.Value | ForEach-Object {
if ( $text -eq $_.PermaLink ) {
$post = $_
break
}
}
}
"id" {
$on.Value | ForEach-Object {
if ( $text -eq $_.PostId ) {
$post = $_
break
}
}
}
default {
$on.Value | ForEach-Object {
if ( $text -eq $_.PostDigest ) {
$post = $_
break
}
}
}
}
$post
}
# --------------------------------------------------------------------------------------------------
function Get-FeedTimeLine( [string] $from = $connections.Feeds.DefaultFeedSource ) {
<#
.SYNOPSIS
Composes a Time Line with every post from all the Feed Sources especified.
.DESCRIPTION
Composes a Time Line with every post from all the Feed Sources especified. If local data cache is still valid, it will use it as the data source.
.EXAMPLE
$FeedTimeLine = Get-FeedTimeLine -quick
.NOTES
High-level function.
.LINK
N/A
#>
# $DebugPreference = "Continue"
$LogFileName = "FeedModule"
[PSObject[]] $RawTimeLine = @()
[System.Collections.ArrayList] $TimeLine = @()
$RawTimeLine += Get-RawFeedsTimeLine -source $from
$results = $RawTimeLine.Count
if ( $quick ) {
$i = 1
$ExecutionTime = [Diagnostics.Stopwatch]::StartNew()
$ExecutionTime.Stop()
foreach ( $post in $RawTimeLine ) {
Write-Progress -Activity "Normalizing Information (QuickMode) ..." -Status "Progress: $i / $results - ETC: $( '{0:#0.00}' -f (( $results - $i ) * $ExecutionTime.Elapsed.TotalMinutes ) ) minutes - Time Elapsed: $( '{0:#0.00}' -f (( $i - 1 ) * $ExecutionTime.Elapsed.TotalMinutes ) ) minutes" -PercentComplete ( ( $i / $results ) * 100 )
$ExecutionTime = [Diagnostics.Stopwatch]::StartNew()
$NormalizedPost = $post | ConvertTo-FeedNormalizedPost
try {
$TimeLine.Add( $( $NormalizedPost | ConvertTo-JSON -Compress ) ) | Out-Null
} catch {
"$(get-date -format u) [Get-FeedTimeLine] - Unexpected error when adding post to the Time Line" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
"$(get-date -format u) [Get-FeedTimeLine] - NormalizedPost: `r`n $( $NormalizedPost | Format-Custom )" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "[Get-FeedTimeLine] - Unexpected error when adding post to the Time Line"
}
$ExecutionTime.Stop()
$i++
}
} else {
$i = 1
$ExecutionTime = [Diagnostics.Stopwatch]::StartNew()
$ExecutionTime.Stop()
foreach ( $post in $RawTimeLine ) {
Write-Progress -Activity "Normalizing Information ..." -Status "Progress: $i / $results - ETC: $( '{0:#0.00}' -f (( $results - $i ) * $ExecutionTime.Elapsed.TotalMinutes ) ) minutes - Time Elapsed: $( '{0:#0.00}' -f (( $i - 1 ) * $ExecutionTime.Elapsed.TotalMinutes ) ) minutes" -PercentComplete ( ( $i / $results ) * 100 )
$ExecutionTime = [Diagnostics.Stopwatch]::StartNew()
$NormalizedPost = $post | ConvertTo-FeedNormalizedPost -IncludeAll
try {
$TimeLine.Add( $( $NormalizedPost | ConvertTo-JSON -Compress ) ) | Out-Null
} catch {
"$(get-date -format u) [Get-FeedTimeLine] - Unexpected error when adding post to the Time Line" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
"$(get-date -format u) [Get-FeedTimeLine] - NormalizedPost: `r`n $( $NormalizedPost | Format-Custom )" >> $CurrentLogsDir\$LogFileName-$CurrentSessionId.log
Write-Debug "[Get-FeedTimeLine] - Unexpected error when adding post to the Time Line"
}