feat(data): add ItemPrice model and serializer for item pricing data

Author: anhthang

data/v2/build.py

@@ -544,6 +544,16 @@ def csv_record_to_objects(info):
 
     build_generic((ItemGameIndex,), "item_game_indices.csv", csv_record_to_objects)
 
+    def csv_record_to_objects(info):
+        yield ItemPrice(
+            item_id=int(info[0]),
+            version_group_id=int(info[1]),
+            purchase_price=int(info[2]),
+            sell_price=int(info[3]),
+        )
+
+    build_generic((ItemPrice,), "item_prices.csv", csv_record_to_objects)
+
     def csv_record_to_objects(info):
         yield ItemFlavorText(
             item_id=int(info[0]),

data/v2/csv/item_prices.csv

@@ -0,0 +1,29 @@
+item_id,version_group_id,purchase_price,sell_price
+305,1,3000,1500
+305,2,3000,1500
+305,3,3000,1500
+305,4,3000,1500
+305,5,3000,1500
+305,6,3000,1500
+305,7,3000,1500
+305,8,10000,5000
+305,9,10000,5000
+305,10,10000,5000
+305,11,10000,5000
+305,12,3000,1500
+305,13,3000,1500
+305,14,10000,5000
+305,15,10000,5000
+305,16,10000,5000
+305,17,10000,5000
+305,18,10000,5000
+305,19,0,0
+305,20,3000,1500
+305,21,3000,1500
+305,22,3000,1500
+305,23,10000,5000
+305,25,50000,25000
+305,26,50000,25000
+305,27,50000,25000
+305,28,3000,1500
+305,29,3000,1500

pokemon_v2/models.py

@@ -885,6 +885,11 @@ class ItemGameIndex(HasItem, HasGeneration, HasGameIndex):
     pass
 
 
+class ItemPrice(HasItem, HasVersionGroup):
+    purchase_price = models.IntegerField()
+    sell_price = models.IntegerField()
+
+
 class ItemSprites(HasItem):
     sprites = models.JSONField()
 

pokemon_v2/serializers.py

@@ -1806,6 +1806,14 @@ class Meta:
         fields = ("game_index", "generation")
 
 
+class ItemPriceSerializer(serializers.ModelSerializer):
+    version_group = VersionGroupSummarySerializer()
+
+    class Meta:
+        model = ItemPrice
+        fields = ("purchase_price", "sell_price", "version_group")
+
+
 class ItemNameSerializer(serializers.ModelSerializer):
     language = LanguageSummarySerializer()
 
@@ -1825,6 +1833,7 @@ class ItemDetailSerializer(serializers.ModelSerializer):
     game_indices = ItemGameIndexSerializer(
         many=True, read_only=True, source="itemgameindex"
     )
+    prices = ItemPriceSerializer(many=True, read_only=True, source="itemprice")
     effect_entries = ItemEffectTextSerializer(
         many=True, read_only=True, source="itemeffecttext"
     )
@@ -1852,6 +1861,7 @@ class Meta:
             "effect_entries",
             "flavor_text_entries",
             "game_indices",
+            "prices",
             "names",
             "held_by_pokemon",
             "sprites",