[algorithms][serializers] Add environment information to available fields

This field will return a list of the environments in which
the algorithm was successfully run with the use count.

beat/web/algorithms/serializers.py

@@ -34,6 +34,7 @@ from ..dataformats.serializers import ReferencedDataFormatSerializer
 from ..attestations.serializers import AttestationSerializer
 from ..experiments.serializers import ExperimentSerializer
 from ..experiments.models import Experiment
+from ..backend.models import Environment
 
 from .models import Algorithm
 
@@ -54,6 +55,14 @@ class AlgorithmCreationSerializer(CodeCreationSerializer):
 # ----------------------------------------------------------
 
 
+class EnvironmentInfoSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Environment
+        fields = ["name", "version", "use_count"]
+
+    use_count = serializers.IntegerField()
+
+
 class AlgorithmSerializer(CodeSerializer):
     attestations = AttestationSerializer(many=True)
     result_dataformat = serializers.SerializerMethodField()
@@ -68,6 +77,7 @@ class AlgorithmSerializer(CodeSerializer):
     needed_dataformats = ReferencedDataFormatSerializer(
         many=True, source="all_needed_dataformats"
     )
+    environments = EnvironmentInfoSerializer(many=True)
 
     class Meta(CodeSerializer.Meta):
         model = Algorithm