initial commit, completed

2021-03-14 15:21:35 +01:00 · 2021-03-14 15:21:35 +01:00 · e53e58f1f4
commit e53e58f1f4
1 changed files with 102 additions and 0 deletions
--- a/dl.ps1
+++ b/dl.ps1
@ -0,0 +1,102 @@
+param(
+    [parameter(mandatory=$true)]
+    [string]$seriesId,
+    [switch]$completeSeries,
+    [string]$seriesName,
+    [string]$outputFolder=(Resolve-Path .),
+    [int]$startChapter=1,
+    [int]$endChapter=$startChapter
+    
+)
+
+### Init ###
+$baseUrl = "https://www.mangareader.net"
+
+$usedVarsDownloadChapter = @("chapterNr",
+    "outputPath",
+    "chapterUrl",
+    "chapterBaseHtml",
+    "chapterPattern",
+    "chapterPages",
+    "chapterPage")
+
+$usedVarsForeachChapterPage = @("pageUrl",
+    "pageFormat",
+    "pageHtml")
+
+$usedVarsCurrentChapter = @("chapterFormat",
+    "chapterPath",
+    "ebookName")
+
+### Functions ###
+Function DownloadChapter($chapterNr,$outputPath){
+    $chapterUrl = "${seriesUrl}/${chapterNr}"
+
+    $chapterBaseHtml = Invoke-WebRequest -UseBasicParsing -Uri $chapterUrl
+
+    # Download first image, continue afterwards
+    Invoke-WebRequest -UseBasicParsing -Uri $chapterBaseHtml.Images.src -OutFile (Join-Path -Path $outputPath -ChildPath "01.jpg") #"${outputPath}\01.jpg"
+
+    # evaluate regex
+    $chapterPattern = '(?<=<option value=\"\/' + [Regex]::Escape("${seriesId}") + '\/' + [Regex]::Escape("${chapterNr}") + '\/)\d+(?=\">\d+<\/option>)'
+
+    $chapterPages = $chapterBaseHtml.Content | Select-String -Pattern $chapterPattern -AllMatches | ForEach-Object {$_.Matches} | ForEach-Object {$_.Value}
+
+    foreach($chapterPage in $chapterPages) {
+        $pageUrl = "${chapterUrl}/${chapterPage}"
+
+        # Download every page and save in target file
+        $pageFormat = ('{0:d2}' -f [int]$chapterPage)
+        $pageHtml = Invoke-WebRequest -UseBasicParsing -Uri $pageUrl
+        Invoke-WebRequest -UseBasicParsing -Uri $pageHtml.Images.src -OutFile (Join-Path -Path $outputPath -ChildPath "${pageFormat}.jpg") #"${outputPath}\${pageFormat}.jpg"
+
+        Remove-Variable $usedVarsForeachChapterPage
+    }
+
+    Remove-Variable $usedVarsDownloadChapter
+}
+
+### Main ###
+$currentChapter = $startChapter
+$seriesUrl = "${baseUrl}/${seriesId}"
+$basePath = (Resolve-Path $outputFolder)
+$seriesPath = (Join-Path -Path $basePath -ChildPath $seriesId)
+
+If (!(Test-Path $seriesPath)) {
+    New-Item -Path $seriesPath -ItemType Directory
+}
+
+if ($completeSeries) {
+    $seriesHtml = Invoke-WebRequest -UseBasicParsing -Uri $seriesUrl
+    $seriesHtmlCut1 = $seriesHtml.Content.Substring($seriesHtml.Content.IndexOf("<table id=`"listing`">"))
+    $seriesHtmlCut2 = $seriesHtmlCut1.Substring(0, ($seriesHtmlCut1.IndexOf("</table>")-1))
+    $seriesPattern = '(?<=<a href=\"\/' + [Regex]::Escape("${seriesId}") +'\/)\d+(?=\">)'
+    $seriesListing = $seriesHtmlCut2 | Select-String -Pattern $seriesPattern -AllMatches | % {$_.Matches} | % {$_.Value}
+    $endChapter = $seriesListing.Count
+}
+
+While ($currentChapter -le $endChapter) {
+    [string]$chapterFormat = ('{0:d3}' -f [int]$currentChapter)
+    [string]$chapterPath = (Join-Path -Path $seriesPath -ChildPath $chapterFormat)
+
+    If (!(Test-Path $chapterPath)) {
+        New-Item -ItemType Directory -Path $chapterPath
+    }
+
+    DownloadChapter -chapterNr $currentChapter -outputPath $chapterPath
+
+    if ($seriesName) {
+        $ebookName = "${seriesName} - Chapter ${chapterFormat}"
+    }
+    else {
+        $ebookName = "${chapterFormat}"
+    }
+
+    # Dependency on ImageMagick 'convert.exe' being in $PATH
+    convert "${chapterPath}\*.jpg" "${seriesPath}\${ebookName}.pdf"
+
+    Remove-Item -Path "${chapterPath}" -Recurse
+
+    Remove-Variable $usedVarsCurrentChapter
+    $currentChapter++
+}