adding some cart stuff solution but still not working

.gitignore

@@ -33,25 +33,4 @@ amplify-gradle-config.json
 amplifytools.xcconfig
 .secret-*
 **.sample
-#amplify-do-not-edit-end
-
-#amplify-do-not-edit-begin
-amplify/\#current-cloud-backend
-amplify/.config/local-*
-amplify/logs
-amplify/mock-data
-amplify/backend/amplify-meta.json
-amplify/backend/.temp
-build/
-dist/
-node_modules/
-aws-exports.js
-awsconfiguration.json
-amplifyconfiguration.json
-amplifyconfiguration.dart
-amplify-build-config.json
-amplify-gradle-config.json
-amplifytools.xcconfig
-.secret-*
-**.sample
-#amplify-do-not-edit-end
+#amplify-do-not-edit-end

amplify/backend/api/thrifty2/cli-inputs.json

@@ -0,0 +1,27 @@
+{
+  "version": 1,
+  "serviceConfiguration": {
+    "serviceName": "AppSync",
+    "defaultAuthType": {
+      "mode": "AMAZON_COGNITO_USER_POOLS",
+      "cognitoUserPoolId": "auththrifty23c488d7e"
+    },
+    "conflictResolution": {
+      "defaultResolutionStrategy": {
+        "type": "AUTOMERGE"
+      }
+    },
+    "apiName": "thrifty2",
+    "gqlSchemaPath": "/tmp/amplify-5f5ada2c-a6db-4c8f-a135-c722a7a816d9/amplify/backend/api/thrifty2/schema.graphql",
+    "additionalAuthTypes": [
+      {
+        "mode": "API_KEY",
+        "keyDescription": "api key description",
+        "expirationTime": 30
+      },
+      {
+        "mode": "AWS_IAM"
+      }
+    ]
+  }
+}

amplify/backend/api/thrifty2/parameters.json

@@ -7,5 +7,6 @@
       "auththrifty23c488d7e",
       "Outputs.UserPoolId"
     ]
-  }
+  },
+  "AuthModeLastUpdated": "2021-12-01T23:40:42.562Z"
 }

amplify/backend/api/thrifty2/schema.graphql

@@ -30,3 +30,4 @@ type Product @model @auth(rules: [{allow: private}]) @key(name: "byCategory", fi
   categoryID: ID
   image: String!
 }
+

amplify/backend/backend-config.json

@@ -11,7 +11,18 @@
               "userPoolId": "auththrifty23c488d7e"
             }
           },
-          "additionalAuthenticationProviders": []
+          "additionalAuthenticationProviders": [
+            {
+              "authenticationType": "API_KEY",
+              "apiKeyConfig": {
+                "apiKeyExpirationDays": 30,
+                "description": "api key description"
+              }
+            },
+            {
+              "authenticationType": "AWS_IAM"
+            }
+          ]
         }
       }
     }

amplify/cli.json

@@ -1,48 +1,48 @@
 {
-  "features": {
-    "graphqltransformer": {
-      "addmissingownerfields": true,
-      "improvepluralization": false,
-      "validatetypenamereservedwords": true,
-      "useexperimentalpipelinedtransformer": false,
-      "enableiterativegsiupdates": true,
-      "secondarykeyasgsi": true,
-      "skipoverridemutationinputtypes": true
-    },
-    "frontend-ios": {
-      "enablexcodeintegration": true
-    },
-    "auth": {
-      "enablecaseinsensitivity": true,
-      "useinclusiveterminology": true,
-      "breakcirculardependency": true,
-      "forcealiasattributes": false
-    },
-    "codegen": {
-      "useappsyncmodelgenplugin": true,
-      "usedocsgeneratorplugin": true,
-      "usetypesgeneratorplugin": true,
-      "cleangeneratedmodelsdirectory": true,
-      "retaincasestyle": true,
-      "addtimestampfields": true,
-      "handlelistnullabilitytransparently": true,
-      "emitauthprovider": true,
-      "generateindexrules": true,
-      "enabledartnullsafety": true
-    },
-    "appsync": {
-      "generategraphqlpermissions": true
-    },
-    "latestregionsupport": {
-      "pinpoint": 1,
-      "translate": 1,
-      "transcribe": 1,
-      "rekognition": 1,
-      "textract": 1,
-      "comprehend": 1
-    },
-    "project": {
-      "overrides": true
+    "features": {
+        "graphqltransformer": {
+            "addmissingownerfields": true,
+            "improvepluralization": false,
+            "validatetypenamereservedwords": true,
+            "useexperimentalpipelinedtransformer": false,
+            "enableiterativegsiupdates": true,
+            "secondarykeyasgsi": true,
+            "skipoverridemutationinputtypes": true
+        },
+        "frontend-ios": {
+            "enablexcodeintegration": true
+        },
+        "auth": {
+            "enablecaseinsensitivity": true,
+            "useinclusiveterminology": true,
+            "breakcirculardependency": true,
+            "forcealiasattributes": false
+        },
+        "codegen": {
+            "useappsyncmodelgenplugin": true,
+            "usedocsgeneratorplugin": true,
+            "usetypesgeneratorplugin": true,
+            "cleangeneratedmodelsdirectory": true,
+            "retaincasestyle": true,
+            "addtimestampfields": true,
+            "handlelistnullabilitytransparently": true,
+            "emitauthprovider": true,
+            "generateindexrules": true,
+            "enabledartnullsafety": true
+        },
+        "appsync": {
+            "generategraphqlpermissions": true
+        },
+        "latestregionsupport": {
+            "pinpoint": 1,
+            "translate": 1,
+            "transcribe": 1,
+            "rekognition": 1,
+            "textract": 1,
+            "comprehend": 1
+        },
+        "project": {
+            "overrides": true
+        }
     }
-  }
 }

app/src/main/java/com/amplifyframework/datastore/generated/model/AmplifyModelProvider.java

@@ -13,7 +13,7 @@
  */
 
 public final class AmplifyModelProvider implements ModelProvider {
-  private static final String AMPLIFY_MODEL_VERSION = "60f05c329e96e718a1c603e8ce306b24";
+  private static final String AMPLIFY_MODEL_VERSION = "52523adac5d643063a009102021f267d";
   private static AmplifyModelProvider amplifyGeneratedModelInstance;
   private AmplifyModelProvider() {
 
@@ -34,7 +34,7 @@ public static AmplifyModelProvider getInstance() {
   @Override
    public Set<Class<? extends Model>> models() {
     final Set<Class<? extends Model>> modifiableSet = new HashSet<>(
-          Arrays.<Class<? extends Model>>asList(Product.class, UserCart.class, User.class, Favourites.class, Category.class)
+          Arrays.<Class<? extends Model>>asList(Favorite.class, User.class, Category.class, Product.class)
         );
 
         return Immutable.of(modifiableSet);

app/src/main/java/com/amplifyframework/datastore/generated/model/Category.java

@@ -1,5 +1,6 @@
 package com.amplifyframework.datastore.generated.model;
 
+import com.amplifyframework.core.model.temporal.Temporal;
 
 import java.util.List;
 import java.util.UUID;
@@ -21,13 +22,15 @@
 /** This is an auto generated class representing the Category type in your schema. */
 @SuppressWarnings("all")
 @ModelConfig(pluralName = "Categories", authRules = {
-  @AuthRule(allow = AuthStrategy.PUBLIC, operations = { ModelOperation.CREATE, ModelOperation.UPDATE, ModelOperation.DELETE, ModelOperation.READ })
+  @AuthRule(allow = AuthStrategy.PRIVATE, operations = { ModelOperation.CREATE, ModelOperation.UPDATE, ModelOperation.DELETE, ModelOperation.READ })
 })
 public final class Category implements Model {
-  public static final QueryField ID = field("id");
-  public static final QueryField NAME = field("name");
+  public static final QueryField ID = field("Category", "id");
+  public static final QueryField NAME = field("Category", "name");
   private final @ModelField(targetType="ID", isRequired = true) String id;
   private final @ModelField(targetType="String", isRequired = true) String name;
+  private @ModelField(targetType="AWSDateTime", isReadOnly = true) Temporal.DateTime createdAt;
+  private @ModelField(targetType="AWSDateTime", isReadOnly = true) Temporal.DateTime updatedAt;
   public String getId() {
       return id;
   }
@@ -36,6 +39,14 @@ public String getName() {
       return name;
   }
 
+  public Temporal.DateTime getCreatedAt() {
+      return createdAt;
+  }
+
+  public Temporal.DateTime getUpdatedAt() {
+      return updatedAt;
+  }
+
   private Category(String id, String name) {
     this.id = id;
     this.name = name;
@@ -50,7 +61,9 @@ public boolean equals(Object obj) {
       } else {
       Category category = (Category) obj;
       return ObjectsCompat.equals(getId(), category.getId()) &&
-              ObjectsCompat.equals(getName(), category.getName());
+              ObjectsCompat.equals(getName(), category.getName()) &&
+              ObjectsCompat.equals(getCreatedAt(), category.getCreatedAt()) &&
+              ObjectsCompat.equals(getUpdatedAt(), category.getUpdatedAt());
       }
   }
 
@@ -59,6 +72,8 @@ public int hashCode() {
     return new StringBuilder()
       .append(getId())
       .append(getName())
+      .append(getCreatedAt())
+      .append(getUpdatedAt())
       .toString()
       .hashCode();
   }
@@ -68,7 +83,9 @@ public String toString() {
     return new StringBuilder()
       .append("Category {")
       .append("id=" + String.valueOf(getId()) + ", ")
-      .append("name=" + String.valueOf(getName()))
+      .append("name=" + String.valueOf(getName()) + ", ")
+      .append("createdAt=" + String.valueOf(getCreatedAt()) + ", ")
+      .append("updatedAt=" + String.valueOf(getUpdatedAt()))
       .append("}")
       .toString();
   }
@@ -84,18 +101,8 @@ public static NameStep builder() {
    * in a relationship.
    * @param id the id of the existing item this instance will represent
    * @return an instance of this model with only ID populated
-   * @throws IllegalArgumentException Checks that ID is in the proper format
    */
   public static Category justId(String id) {
-    try {
-      UUID.fromString(id); // Check that ID is in the UUID format - if not an exception is thrown
-    } catch (Exception exception) {
-      throw new IllegalArgumentException(
-              "Model IDs must be unique in the format of UUID. This method is for creating instances " +
-              "of an existing object with only its ID field for sending as a mutation parameter. When " +
-              "creating a new object, use the standard builder method and leave the ID field blank."
-      );
-    }
     return new Category(
       id,
       null
@@ -113,7 +120,7 @@ public interface NameStep {
 
   public interface BuildStep {
     Category build();
-    BuildStep id(String id) throws IllegalArgumentException;
+    BuildStep id(String id);
   }
 
 
@@ -137,22 +144,11 @@ public BuildStep name(String name) {
     }
 
     /** 
-     * WARNING: Do not set ID when creating a new object. Leave this blank and one will be auto generated for you.
-     * This should only be set when referring to an already existing object.
      * @param id id
      * @return Current Builder instance, for fluent method chaining
-     * @throws IllegalArgumentException Checks that ID is in the proper format
      */
-    public BuildStep id(String id) throws IllegalArgumentException {
+    public BuildStep id(String id) {
         this.id = id;
-
-        try {
-            UUID.fromString(id); // Check that ID is in the UUID format - if not an exception is thrown
-        } catch (Exception exception) {
-          throw new IllegalArgumentException("Model IDs must be unique in the format of UUID.",
-                    exception);
-        }
-
         return this;
     }
   }