move extractpatches function to api

internal/statsapi/client.go

@@ -1,9 +1,12 @@
 package statsapi
 
 import (
+	"encoding/json"
 	"io"
 	"net/http"
 	"net/url"
+
+	"github.com/evanphx/json-patch/v5"
 )
 
 var DefaultClient = NewClient(http.DefaultClient)
@@ -35,6 +38,32 @@ func NewClient(c *http.Client) *Client {
 	}
 }
 
+func ExtractPatches(diffPatch []byte) ([]jsonpatch.Patch, error) {
+	var patches []jsonpatch.Patch
+
+	var objs []map[string]any
+	err := json.Unmarshal(diffPatch, &objs)
+	if err != nil {
+		return patches, err
+	}
+
+	for _, obj := range objs {
+		diff := obj["diff"]
+		patch, err := json.Marshal(diff)
+		if err != nil {
+			break
+		}
+
+		p, err := jsonpatch.DecodePatch(patch)
+		if err != nil {
+			break
+		}
+		patches = append(patches, p)
+	}
+
+	return patches, err
+}
+
 func (c *Client) RequestSchedule(sportId, teamId string) ([]byte, error) {
 	endpoint := url.URL{Path: "api/v1/schedule"}
 	query := endpoint.Query()