feat: add filter links to fediverse page

jargon.txt

@@ -136,6 +136,7 @@ lang
 Larsson
 Latvia
 latvia
+lcase
 leadBy
 Lectorate
 len
@@ -193,6 +194,7 @@ pathlib
 pdf
 PDFs
 pe
+peertube
 PeerTube
 peru
 ph

templates/fediverse-statistics.html

@@ -1,4 +1,3 @@
-
 {{ template "layout" . }}
 
 {{ define "title" }}Fediverse Statistics - Govdirectory{{ end }}
@@ -129,18 +128,20 @@ <h2>Platform popularity</h2>
         </table>
 
         <h2>Coverage by country</h2>
-        <p>The table below shows which countries have government organizations using the Fediverse, along with the number of organizations and Fediverse accounts per country.</p>
+        <p>The table below shows which countries have government organizations using the Fediverse, along with the number of organizations and Fediverse accounts per country. The numbers link to the country in question filtered down to its organizations on the Fediverse.</p>
 
         <table class="statistics-table">
             <tr>
                 <th class="js-sort-none">Country</th>
                 <th class="js-sort-none">Contains</th>
                 <th class="js-sort-none">Organizations</th>
                 <th class="js-sort-none">Accounts</th>
-            <tr>
+            </tr>
             {{- range . -}}
             {{- $country_fediverse_count := 0 -}}
             {{- $country_org_count := 0 -}}
+            {{- /* the Fediverse platforms of the country as a comma separated list for the platform keyword of the country page search */ -}}
+            {{- $country_platforms := "" -}}
             {{- $country := .safeName.String -}}
             {{- $orgs := query (join "" "generators/" $country ".rq") -}}
             {{- range $orgs -}}
@@ -150,17 +151,28 @@ <h2>Coverage by country</h2>
                     {{- if eq .isFediverse.String "true" -}}
                         {{- $has_fediverse = true -}}
                         {{- $country_fediverse_count = add1 $country_fediverse_count -}}
+                        {{- /* platform names are normalized the way the search does it, "PeerTube" becomes "peertube" */ -}}
+                        {{- $platform := lcase (re_replace .platformLabel.String "[^A-Za-z0-9]" "") -}}
+                        {{- if not (contains (printf ",%s," $country_platforms) (printf ",%s," $platform)) -}}
+                            {{- if $country_platforms -}}
+                                {{- $country_platforms = printf "%s,%s" $country_platforms $platform -}}
+                            {{- else -}}
+                                {{- $country_platforms = $platform -}}
+                            {{- end -}}
+                        {{- end -}}
                     {{- end -}}
                 {{- end -}}
                 {{- if $has_fediverse -}}
                     {{- $country_org_count = add1 $country_org_count -}}
                 {{- end -}}
             {{- end -}}
             {{- if gt $country_org_count 0 -}}
-                <td lang="{{ .description.Lang }}"><a href="../../{{ .safeName }}/">{{ .name }}</a></td>
+                {{- $filtered_country_url := printf "../../%s/?query=platform:%s" $country $country_platforms -}}
+            <tr>
+                <td lang="{{ .name.Lang }}"><a href="../../{{ .safeName }}/">{{ .name }}</a></td>
                 <td lang="{{ .description.Lang }}">{{ .description }}</td>
-                <td>{{ $country_org_count }}</td>
-                <td>{{ $country_fediverse_count }}</td>
+                <td><a title="Organizations in {{ .name }} using the Fediverse" href="{{ $filtered_country_url }}">{{ $country_org_count }}</a></td>
+                <td><a title="Fediverse accounts in {{ .name }}" href="{{ $filtered_country_url }}">{{ $country_fediverse_count }}</a></td>
             </tr>
             {{- end -}}
             {{- end -}}