Display archived links if available

assets/_custom.scss

@@ -31,6 +31,10 @@ table.data-table {
     &.icon-information {
         vertical-align: -2px;
     }
+
+    &.icon-archive {
+        vertical-align: -2px;
+    }
 }
 
 /* Make the body the size of the viewport or the page to position the footer */

i18n/en.json

@@ -22,6 +22,9 @@
     "tracker-single-transmitted-data-table-reasoning-link-desc": {
         "other": "More details on how we identified this property"
     },
+    "tracker-single-transmitted-data-table-reasoning-link-archive": {
+        "other": "Archived version of the link"
+    },
     "tracker-single-operated-by": { "other": "operated by:" },
 
     "tracker-list-datenanfragen-link": { "other": "get company information on datarequests.org" },

layouts/partials/archived-urls.html

@@ -0,0 +1,18 @@
+{{ $urls := getCSV "," "content/en/research/archived-urls.csv"}}
+{{ $urlToArchivedUrl := dict }}
+{{ range $urls }}
+    {{ $originalUrl :=  index . 0 }}
+    {{ $archivedUrl :=  index . 1 }}
+    {{ $timestamp :=  index . 2 }}
+    {{ $dataPathToArchivedUrl := dict }}
+    {{ range strings.Split (index . 3) ";" }}
+        <!-- Apparently, the containedDataPaths are loaded in lowercase in the adapter template, so we need to lowercase the ID here, too, so that the URLs are read correctly. -->
+        {{ $property := (lower .)}}
+        <!-- We might have older changes in the table that we do not want to overwrite -->
+        {{ if le (index (index $urlToArchivedUrl $originalUrl) $property).timestamp $timestamp }}
+            {{ $dataPathToArchivedUrl = merge $dataPathToArchivedUrl (dict $property (dict "archivedUrl" $archivedUrl "timestamp" $timestamp )) }}
+        {{ end }}
+    {{ end }}
+    {{ $urlToArchivedUrl = merge $urlToArchivedUrl (dict $originalUrl $dataPathToArchivedUrl) }}
+{{ end }}
+{{ return $urlToArchivedUrl}}

layouts/trackers/single.html

@@ -1,4 +1,6 @@
 {{ define "main" }}
+{{ $urlToArchivedUrl := partialCached "archived-urls.html" "" }}
+
 <article class="markdown">
     <h1>{{ .Title }}</h1>
 
@@ -93,6 +95,10 @@ <h2>{{ T "tracker-single-transmitted-data-heading" }}</h2>
                                     -->
                                     {{ if or (strings.HasPrefix .reasoning "https://") (strings.HasPrefix .reasoning "http://") }}
                                         <a href="{{ .reasoning }}"><img src="/svg/information.svg" class="inline-icon icon-information" alt="{{ T "tracker-single-transmitted-data-table-reasoning-link-desc" }}" title="{{ T "tracker-single-transmitted-data-table-reasoning-link-desc" }}"></a>
+                                        {{ if isset $urlToArchivedUrl .reasoning }}
+                                            {{ $archivedUrl := index (index $urlToArchivedUrl .reasoning) (printf "%s/%s#%s" $.Params.tracker.slug $.Params.slug $property) }}
+                                            <a href="{{ $archivedUrl.archivedUrl }}"><img src="/svg/archive.svg" class="inline-icon icon-archive" alt="{{ T "tracker-single-transmitted-data-table-reasoning-link-archive" }}" title="{{ T "tracker-single-transmitted-data-table-reasoning-link-archive" }}"></a>
+                                        {{ end }}
                                     {{ else if (strings.HasSuffix .reasoning ".md") }}
                                         {{ $path := .reasoning }}
                                         {{ if not (strings.HasSuffix .reasoning "index.md") }}