fix: generate and build nutrient_levels.txt

.github/workflows/pull_request.yml

@@ -106,6 +106,8 @@ jobs:
       uses: ishworkh/docker-image-artifact-download@v1
       with:
         image: "openfoodfacts-server/backend:dev"
+    - name: build taxonomies (should use cache)
+      run: make build_taxonomies            
     - name: tests
       run: |
         make codecov_prepare

lib/ProductOpener/Food.pm

@@ -2470,7 +2470,10 @@ sub create_nutrients_level_taxonomy() {
 		}
 	}
 
-	open(my $OUT, ">:encoding(UTF-8)", "$data_root/taxonomies/nutrient_levels.txt");
+	print STDERR "generate $data_root/taxonomies/nutrient_levels.txt \n";
+
+	open(my $OUT, ">:encoding(UTF-8)", "$data_root/taxonomies/nutrient_levels.txt")
+		or die("Can't write $data_root/taxonomies/nutrient_levels.txt: $!");
 	print $OUT <<TXT
 # nutrient levels taxonomy generated automatically by Food.pm from nutrients taxonomy + language translations (.po files)
 

lib/ProductOpener/Tags.pm

@@ -2467,7 +2467,7 @@ sub retrieve_tags_taxonomy ($tagtype) {
 	if (!-e "$data_root/taxonomies/$file.result.sto") {
 		print("Building $file on the fly\n");
 		# Nutrients levels taxonomy is generated from the nutrients taxonomy + language translations in Food.pm
-		# nutrients_levels.txt is not checked in the taxonomy directory and will be generated by build_lang.pl
+		# nutrient_levels.txt is not checked in the taxonomy directory and will be generated by build_lang.pl
 		# To avoid circular dependencies, we don't build it on the fly when Tags.pm is loaded.
 		if (($tagtype eq "nutrient_levels") and (!-e "$data_root/taxonomies/$file.txt")) {
 			print("Skipping nutrient_levels.txt as it is has not been generated by build_lang.pl yet\n");

scripts/build_lang.pl

@@ -55,8 +55,9 @@
 
 # Nutrients level taxonomy file is built using languages
 create_nutrients_level_taxonomy();
+
 # and generate corresponding taxonomy
-build_tags_taxonomy('nutrients_levels', 1);
+build_tags_taxonomy('nutrient_levels', 1);
 
 exit(0);