All issues fixed.

pokemon/admin.py

@@ -1,3 +1,6 @@
 from django.contrib import admin
+from .models import Pokemon, PokemonTypes
 
 # Register your models here.
+admin.site.register(Pokemon)
+admin.site.register(PokemonTypes)

pokemon/serializers.py

@@ -2,12 +2,15 @@
 from pokemon.models import Pokemon, PokemonTypes
 
 
-# TODO: Add a serializer for PokemonTypes, and use it as a nested serializer for PokemonSerializer
-
 
+class PokemonTypesSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = PokemonTypes
+        fields = ('type','id',) 
+
 class PokemonSerializer(serializers.ModelSerializer):
-
+    types = PokemonTypesSerializer(many=True,read_only=True)
     class Meta:
         model = Pokemon
         fields = ('id', 'name_english', 'name_japanese', 'name_chinese', 'name_french', 'hp', 'attack', 'defense',
-                  'special_attack', 'special_defense', 'speed', )
+                  'special_attack', 'special_defense', 'speed', 'types',)

pokemon/views.py

@@ -1,8 +1,9 @@
-from django.http import JsonResponse, HttpResponse
+from django.http import JsonResponse 
 from django.views.decorators.csrf import csrf_exempt
 from rest_framework.decorators import api_view
-
-from pokemon.models import Pokemon, VALID_POKEMON_TYPES
+from django.db.models import Q
+from rest_framework.views import status
+from pokemon.models import Pokemon, PokemonTypes
 from pokemon.serializers import PokemonSerializer
 
 
@@ -16,15 +17,18 @@ def pokemon_list(request):
     serializer = PokemonSerializer(pokemon, many=True)
     return JsonResponse(serializer.data, safe=False, json_dumps_params={'ensure_ascii': False})
 
-
 @csrf_exempt
 @api_view(['GET'])
 def pokemon_by_id(request, id):
     """
     Get Pokemon by ID
     """
-    # TODO: Implement Endpoint
-    return HttpResponse(status=501)
+    try:
+        pokemon = Pokemon.objects.get(id=id)
+    except:
+        return JsonResponse({"error": "Not found"},status=404)
+    serializer = PokemonSerializer(pokemon)
+    return JsonResponse(serializer.data, safe=False, json_dumps_params={'ensure_ascii': False})
 
 
 @csrf_exempt
@@ -33,23 +37,56 @@ def pokemon_by_name(request, name):
     """
     Get Pokemon by name
     """
-    # TODO: Implement Endpoint
-    return HttpResponse(status=501)
+    pokemon = Pokemon.objects.filter(
+            Q(name_english__icontains=name) |
+            Q(name_japanese__icontains=name) |
+            Q(name_chinese__icontains=name) |
+            Q(name_french__icontains=name)
+    )
+    serializer = PokemonSerializer(pokemon, many=True)
+    if serializer == []:
+        return JsonResponse({"error": "Not found"},status=404)
+    return JsonResponse(serializer.data, safe=False, json_dumps_params={'ensure_ascii': False})
 
 
 @csrf_exempt
 def pokemon_by_type(request, pokemon_type):
     """
     Get Pokemon by type
     """
-    # TODO: Implement Endpoint
-    return HttpResponse(status=501)
-
+    pokemon_types = PokemonTypes.objects.filter(type__icontains=pokemon_type)
+    pokemons = [ pokemon_type.pokemon for pokemon_type in pokemon_types]
+    if pokemons == []:
+        return JsonResponse({"error":"Bad request"},status=404)
+    serializer = PokemonSerializer(pokemons, many=True)
+    return JsonResponse(serializer.data, safe=False, json_dumps_params={'ensure_ascii': False})
 
 @csrf_exempt
 def pokemon_by_hp(request):
     """
     Get Pokemon by HP
     """
-    # TODO: Implement Endpoint
-    return HttpResponse(status=501)
+    params = request.GET
+    hp_lt = request.GET.get("lt")
+    hp_gt = request.GET.get("gt")
+    query = Q()
+
+    for key in params:
+        if key not in ["gt","gte","lt","lte"]:
+            return JsonResponse({"error":'Invalid Operator. Must be one of ["gt","gte","lt","lte"]'},status=404)
+
+    if hp_gt:
+        query &= Q(hp__gt = hp_gt)
+
+    if hp_lt:
+        query &= Q(hp__lt = hp_lt)
+
+    if hp_gt and hp_lt:
+        if hp_gt > hp_lt:
+            return JsonResponse({"error":"Not found"},status=404)
+
+    pokemons = Pokemon.objects.filter(query)
+    serializer = PokemonSerializer(pokemons,many=True)
+
+    return JsonResponse(serializer.data, safe=False, json_dumps_params={'ensure_ascii': False})
+