enables policy route and policy graphql query

src/graphql/index.js

@@ -4,6 +4,7 @@ const graphQLHTTP = require('express-graphql');
 const buildObjectType = require('./schema/buildObjectType');
 const buildMutationInputType = require('./schema/buildMutationInputType');
 const buildBlockType = require('./schema/buildBlockType');
+const buildPoliciesType = require('./schema/buildPoliciesType');
 const buildLocaleInputType = require('./schema/buildLocaleInputType');
 const buildFallbackLocaleInputType = require('./schema/buildFallbackLocaleInputType');
 const registerCollections = require('../collections/graphql/register');
@@ -30,6 +31,7 @@ class GraphQL {
     this.buildMutationInputType = buildMutationInputType.bind(this);
     this.buildWhereInputType = buildWhereInputType;
     this.buildObjectType = buildObjectType.bind(this);
+    this.buildPoliciesType = buildPoliciesType.bind(this);
     this.registerCollections = registerCollections.bind(this);
     this.initUser = initUser.bind(this);
     this.registerGlobals = registerGlobals.bind(this);

src/graphql/schema/buildPoliciesType.js

@@ -0,0 +1,48 @@
+const { GraphQLJSONObject } = require('graphql-type-json');
+const { GraphQLBoolean, GraphQLNonNull, GraphQLObjectType } = require('graphql');
+const formatName = require('../utilities/formatName');
+
+const buildCollectionFields = (collection) => {
+  const fields = {};
+  const operations = ['create', 'read', 'update', 'delete'];
+
+  operations.forEach((operation) => {
+    const capitalizedOperation = operation.charAt(0).toUpperCase() + operation.slice(1);
+
+    fields[operation] = {
+      type: new GraphQLObjectType({
+        name: formatName(`${collection.labels.singular}${capitalizedOperation}Policy`),
+        fields: {
+          permission: { type: new GraphQLNonNull(GraphQLBoolean) },
+          where: { type: GraphQLJSONObject },
+        },
+      }),
+    };
+  });
+
+  return fields;
+};
+
+function buildPoliciesType() {
+  const fields = {
+    canAccessAdmin: {
+      type: new GraphQLNonNull(GraphQLBoolean),
+    },
+  };
+
+  Object.values(this.config.collections).forEach((collection) => {
+    fields[collection.slug] = {
+      type: new GraphQLObjectType({
+        name: formatName(`${collection.labels.singular}Policy`),
+        fields: buildCollectionFields(collection),
+      }),
+    };
+  });
+
+  return new GraphQLObjectType({
+    name: 'Policies',
+    fields,
+  });
+}
+
+module.exports = buildPoliciesType;