Make GraphQL polymorphic relationships working with Bookshelf

packages/strapi-bookshelf/lib/index.js

@@ -176,6 +176,7 @@ module.exports = function(strapi) {
                           attrs[association.alias] = attrs[association.alias].related;
                           break;
                         case 'manyMorphToOne':
+                        case 'manyMorphToMany':
                           attrs[association.alias] = attrs[association.alias].map(obj => obj.related);
                           break;
                         default:
@@ -226,7 +227,6 @@ module.exports = function(strapi) {
                         const association = definition.associations
                           .filter(association => association.nature.toLowerCase().indexOf('morph') !== -1)
                           .filter(association => association.alias === path || association.via === path)[0];
-
                         if (association) {
                           // Override on polymorphic path only.
                           if (_.isString(path) && path === association.via) {

packages/strapi-plugin-content-manager/config/queries/bookshelf.js

@@ -29,16 +29,37 @@ module.exports = {
       .count();
   },
 
-  findOne: async function (params) {
+  findOne: async function (params, populate, raw = true) {
     const record = await this
       .forge({
         [this.primaryKey]: params[this.primaryKey]
       })
       .fetch({
-        withRelated: this.associations.map(x => x.alias)
+        withRelated: populate || this.associations.map(x => x.alias)
       });
 
-    return record ? record.toJSON() : record;
+    const data = record ? record.toJSON() : record;
+
+    // Retrieve data manually.
+    if (_.isEmpty(populate)) {
+      const arrayOfPromises = this.associations
+        .filter(association => ['manyMorphToOne', 'manyMorphToMany'].includes(association.nature))
+        .map(association => {
+          return this.morph.forge()
+            .where({
+              [`${this.collectionName}_id`]: params[this.primaryKey]
+            })
+            .fetchAll()
+        });
+
+      const related = await Promise.all(arrayOfPromises);
+
+      related.forEach((value, index) => {
+        data[this.associations[index].alias] = value ? value.toJSON() : value;
+      });
+    }
+
+    return data;
   },
 
   create: async function (params) {

packages/strapi-plugin-graphql/services/GraphQL.js

@@ -475,7 +475,9 @@ module.exports = {
           acc.resolver[globalId] = {};
         }
 
-        if (association.nature === 'manyMorphToMany') {
+        switch (association.nature) {
+          case 'manyMorphToOne':
+          case 'manyMorphToMany':
             return _.merge(acc.resolver[globalId], {
               [association.alias]: async (obj, options, context) => {
                 const [ withRelated, withoutRelated ] = await Promise.all([
@@ -492,7 +494,10 @@ module.exports = {
                 const entry = withRelated.toJSON ? withRelated.toJSON() : withRelated;
 
                 entry[association.alias].map((entry, index) => {
-                entry._type = withoutRelated[association.alias][index].kind;
+                  const type = withoutRelated[association.alias][index].kind ||
+                  _.upperFirst(_.camelCase(withoutRelated[association.alias][index][`${association.alias}_type`]));
+
+                  entry._type = type;
 
                   return entry;
                 });
@@ -500,6 +505,8 @@ module.exports = {
                 return entry[association.alias];
               }
             });
+            break;
+          default:
         }
 
         // TODO:
@@ -520,13 +527,13 @@ module.exports = {
             } else {
               // Get attribute.
               const attr = association.plugin ?
-                strapi.plugins[association.plugin].models[association.collection].attributes[association.via]:
-                strapi.models[association.collection].attributes[association.via];
+                strapi.plugins[association.plugin].models[params.model].attributes[association.via]:
+                strapi.models[params.model].attributes[association.via];
 
               // Get refering model.
               const ref = attr.plugin ?
-                strapi.plugins[attr.plugin].models[attr.model || attr.collection]:
-                strapi.models[attr.model || attr.collection];
+                strapi.plugins[attr.plugin].models[params.model]:
+                strapi.models[params.model];
 
               // Apply optional arguments to make more precise nested request.
               const convertedParams = strapi.utils.models.convertParams(name, this.convertToParams(options));

packages/strapi-plugin-users-permissions/config/schema.graphql

@@ -0,0 +1,25 @@
+module.exports = {
+  type: {
+    UsersPermissionsPermission: false // Make this type NOT queriable.
+  },
+  resolver: {
+    Query: {
+      role: {
+        resolverOf: 'UsersPermissions.getRole',
+        resolver: async (obj, options, ctx) => {
+          await strapi.plugins['users-permissions'].controllers.userspermissions.getRole(ctx);
+
+          return ctx.body.role;
+        }
+      },
+      roles: {
+        resolverOf: 'UsersPermissions.getRoles', // Apply the `getRoles` permissions on the resolver.
+        resolver: async (obj, options, ctx) => {
+          await strapi.plugins['users-permissions'].controllers.userspermissions.getRoles(ctx);
+
+          return ctx.body.roles;
+        }
+      }
+    }
+  }
+};