Add the packages-translation-availability page

Signed-off-by: Christopher Baines <mail@cbaines.net>

guix-data-service/model/package-metadata.scm

@@ -34,7 +34,10 @@
             inferior-packages->package-metadata-ids
             inferior-packages->translated-package-descriptions-and-synopsis
 
-            package-description-and-synopsis-locale-options-guix-revision))
+            package-description-and-synopsis-locale-options-guix-revision
+
+            synopsis-counts-by-locale
+            description-counts-by-locale))
 
 (define locales
   '("cs_CZ.utf8"
@@ -434,3 +437,59 @@ WHERE packages.id IN (
       ON package_derivations.id = guix_revision_package_derivations.package_derivation_id
     WHERE guix_revision_package_derivations.revision_id = $1"
    (list revision-id)))
+
+(define (synopsis-counts-by-locale conn revision-id)
+  (define synopsis-counts
+    "
+SELECT package_synopsis.locale, COUNT(package_synopsis.synopsis)  AS translated_synopsis
+FROM package_synopsis_sets
+INNER JOIN package_synopsis
+  ON package_synopsis.id = ANY (package_synopsis_sets.synopsis_ids)
+WHERE package_synopsis_sets.id IN (
+  SELECT package_metadata.package_synopsis_set_id
+  FROM packages
+  INNER JOIN package_derivations
+    ON packages.id = package_derivations.package_id
+  INNER JOIN guix_revision_package_derivations
+    ON package_derivations.id = guix_revision_package_derivations.package_derivation_id
+  INNER JOIN guix_revisions
+    ON guix_revision_package_derivations.revision_id = guix_revisions.id
+  INNER JOIN package_metadata
+    ON package_metadata.id = packages.package_metadata_id
+   WHERE guix_revisions.id = $1)
+GROUP BY package_synopsis.locale;
+")
+  (map
+   (match-lambda
+     ((locale synopsis-counts)
+      `(,locale . ,(string->number synopsis-counts))))
+   (exec-query conn synopsis-counts
+               (list revision-id))))
+
+(define (description-counts-by-locale conn revision-id)
+  (define description-counts
+    "
+SELECT package_descriptions.locale, COUNT(package_descriptions.description)  AS translated_description
+FROM package_description_sets
+INNER JOIN package_descriptions
+  ON package_descriptions.id = ANY (package_description_sets.description_ids)
+ WHERE package_description_sets.id IN (
+  SELECT package_metadata.package_description_set_id
+  FROM packages
+  INNER JOIN package_derivations
+    ON packages.id = package_derivations.package_id
+  INNER JOIN guix_revision_package_derivations
+    ON package_derivations.id = guix_revision_package_derivations.package_derivation_id
+  INNER JOIN guix_revisions
+    ON guix_revision_package_derivations.revision_id = guix_revisions.id
+  INNER JOIN package_metadata
+    ON package_metadata.id = packages.package_metadata_id
+   WHERE guix_revisions.id = $1)
+GROUP BY package_descriptions.locale;
+")
+  (map
+   (match-lambda
+     ((locale description-counts)
+      `(,locale . ,(string->number description-counts))))
+   (exec-query conn description-counts
+               (list revision-id))))

guix-data-service/web/revision/controller.scm

@@ -147,6 +147,15 @@
          (render-unknown-revision mime-types
                                   conn
                                   commit-hash)))
+    (('GET "revision" commit-hash "packages-translation-availability")
+     (if (guix-commit-exists? conn commit-hash)
+         (render-revision-packages-translation-availability mime-types
+                                                            conn
+                                                            commit-hash
+                                                            #:path-base path)
+         (render-unknown-revision mime-types
+                                  conn
+                                  commit-hash)))
     (('GET "revision" commit-hash "package" name)
      (if (guix-commit-exists? conn commit-hash)
          (render-revision-package mime-types
@@ -648,6 +657,41 @@
                                            #:header-link header-link)
             #:extra-headers http-headers-for-unchanging-content))))))
 
+(define* (render-revision-packages-translation-availability mime-types
+                                                            conn
+                                                            commit-hash
+                                                            #:key
+                                                            path-base
+                                                            (header-link
+                                                             (string-append
+                                                              "/revision/" commit-hash))
+                                                            (header-text
+                                                             `("Revision " (samp ,commit-hash))))
+  (let ((package-synopsis-counts
+         (synopsis-counts-by-locale conn
+                                    (commit->revision-id conn
+                                                         commit-hash)))
+        (package-description-counts
+         (description-counts-by-locale conn
+                                       (commit->revision-id conn
+                                                            commit-hash))))
+    (case (most-appropriate-mime-type
+           '(application/json text/html)
+           mime-types)
+      ((application/json)
+       (render-json
+        `((package-synopsis-counts . ,package-synopsis-counts)
+          (package-description-counts . ,package-description-counts))))
+      (else
+       (render-html
+        #:sxml
+        (view-revision-packages-translation-availability commit-hash
+                                                         package-synopsis-counts
+                                                         package-description-counts
+                                                         #:path-base path-base
+                                                         #:header-link header-link
+                                                         #:header-text header-text))))))
+
 (define* (render-revision-package mime-types
                                   conn
                                   commit-hash

guix-data-service/web/revision/html.scm

@@ -34,6 +34,7 @@
             view-revision-package-and-version
             view-revision
             view-revision-packages
+            view-revision-packages-translation-availability
             view-revision-package-derivations
             view-revision-package-derivation-outputs
             view-revision-system-tests
@@ -717,6 +718,114 @@
                   "Next page")))
             '())))))
 
+(define* (view-revision-packages-translation-availability commit-hash
+                                                         package-synopsis-counts
+                                                         package-description-counts
+                                                         #:key
+                                                         path-base header-link
+                                                         header-text)
+  (define total-package-synopsis
+    (assoc-ref package-synopsis-counts "en_US.utf8"))
+
+  (define total-package-descriptions
+    (assoc-ref package-description-counts "en_US.utf8"))
+
+  (assoc-remove! package-synopsis-counts "en_US.utf8")
+  (assoc-remove! package-description-counts "en_US.utf8")
+
+  (define synopsis-percentages
+    (map
+     (match-lambda
+       ((locale . count)
+        (exact->inexact
+         (* 100 (/ (or count
+                       0)
+                   total-package-synopsis)))))
+     package-synopsis-counts))
+
+  (define description-percentages
+    (map
+     (match-lambda
+       ((locale . count)
+        (exact->inexact
+         (* 100 (/ (or count
+                       0)
+                   total-package-descriptions)))))
+     package-description-counts))
+
+  (layout
+   #:body
+   `(,(header)
+     (div
+      (@ (class "container"))
+      (div
+       (@ (class "row"))
+       (div
+        (@ (class "col-sm-12"))
+        (h3 (a (@ (style "white-space: nowrap;")
+                  (href ,header-link))
+               ,@header-text)))
+       (div
+        (@ (class "col-sm-12"))
+        (a (@ (class "btn btn-default btn-lg pull-right")
+              (href ,(string-append path-base ".json")))
+           "View JSON")))
+      (div (@ (class "row"))
+           (div (@ (class "col-sm-6"))
+            (table (@ (class "table"))
+                   (thead
+                    (tr
+                     (th (@ (scope "col")) "Locale")
+                     (th (@ (scope "col")) "Translated Package Synopsis")))
+                   (tbody
+                    ,@(map
+                       (lambda (synopsis-locale synopsis-percentage)
+                         `(tr
+                           (th (@ (scope "row")) ,synopsis-locale)
+                           (td
+                            ,(simple-format #f "~~~A%" (inexact->exact
+                                                        (round synopsis-percentage)))
+                            (div (@ (class "progress"))
+                                 (div (@ (class "progress-bar")
+                                         (role "progressbar")
+                                         (aria-valuenow ,synopsis-percentage)
+                                         (aria-valuemin "0")
+                                         (aria-valuemax "100")
+                                         (style ,(string-append
+                                                  "width: "
+                                                  (number->string
+                                                   synopsis-percentage)
+                                                  "%;"))))))))
+                       (map car package-synopsis-counts)
+                       synopsis-percentages))))
+           (div (@ (class "col-sm-6"))
+            (table (@ (class "table"))
+                   (thead
+                    (tr
+                     (th (@ (scope "col")) "Locale")
+                     (th (@ (scope "col")) "Translated Package Descriptions")))
+                   (tbody
+                    ,@(map
+                       (lambda (description-locale description-percentage)
+                         `(tr
+                           (th (@ (scope "row")) ,description-locale)
+                           (td
+                            ,(simple-format #f "~~~A%" (inexact->exact
+                                                        (round description-percentage)))
+                            (div (@ (class "progress"))
+                                 (div (@ (class "progress-bar")
+                                         (role "progressbar")
+                                         (aria-valuenow ,description-percentage)
+                                         (aria-valuemin "0")
+                                         (aria-valuemax "100")
+                                         (style ,(string-append
+                                                  "width: "
+                                                  (number->string
+                                                   description-percentage)
+                                                  "%;"))))))))
+                       (map car package-description-counts)
+                       description-percentages)))))))))
+
 (define* (view-revision-system-tests commit-hash
                                      system-tests
                                      git-repositories