feat: Favorites (#1094)

* Adding the favorite button

* favorites services and resolvers

* favorites schema

* favorite ability handler

* favorite module export

* front end UI

* front end graphql additions

* server ability handlers

* server resolvers and services

* css fix

* Adding the favorite button

* favorites services and resolvers

* favorites schema

* favorite ability handler

* favorite module export

* front end UI

* front end graphql additions

* server ability handlers

* server resolvers and services

* css fix

* delete favorites handler and resolver

* removed favorite from index list

* chip avatar size props

* index list additions

* UI additions for favorites functionality

* lint fixes

* graphql codegen

* UI fixes

* favorite hook addition

* moved to ~/modules

* Favorite mapping to workspaceMember

* graphql codegen

* cosmetic changes

* camel cased methods

* graphql codegen

server/src/ability/ability.factory.ts

@@ -19,6 +19,7 @@ import {
   UserSettings,
   View,
   ViewField,
+  Favorite,
   ViewSort,
 } from '@prisma/client';
 
@@ -41,6 +42,7 @@ type SubjectsAbility = Subjects<{
   UserSettings: UserSettings;
   View: View;
   ViewField: ViewField;
+  Favorite: Favorite;
   ViewSort: ViewSort;
 }>;
 
@@ -143,6 +145,12 @@ export class AbilityFactory {
     can(AbilityAction.Read, 'ViewField', { workspaceId: workspace.id });
     can(AbilityAction.Create, 'ViewField', { workspaceId: workspace.id });
     can(AbilityAction.Update, 'ViewField', { workspaceId: workspace.id });
+    //Favorite
+    can(AbilityAction.Read, 'Favorite', { workspaceId: workspace.id });
+    can(AbilityAction.Create, 'Favorite');
+    can(AbilityAction.Delete, 'Favorite', {
+      workspaceId: workspace.id,
+    });
 
     // ViewSort
     can(AbilityAction.Read, 'ViewSort', { workspaceId: workspace.id });

server/src/ability/ability.module.ts

@@ -99,6 +99,11 @@ import {
   ReadViewFieldAbilityHandler,
   UpdateViewFieldAbilityHandler,
 } from './handlers/view-field.ability-handler';
+import {
+  CreateFavoriteAbilityHandler,
+  ReadFavoriteAbilityHandler,
+  DeleteFavoriteAbilityHandler,
+} from './handlers/favorite.ability-handler';
 import {
   CreateViewSortAbilityHandler,
   ReadViewSortAbilityHandler,
@@ -193,6 +198,10 @@ import {
     ReadViewFieldAbilityHandler,
     CreateViewFieldAbilityHandler,
     UpdateViewFieldAbilityHandler,
+    //Favorite
+    ReadFavoriteAbilityHandler,
+    CreateFavoriteAbilityHandler,
+    DeleteFavoriteAbilityHandler,
     // ViewSort
     ReadViewSortAbilityHandler,
     CreateViewSortAbilityHandler,
@@ -283,6 +292,10 @@ import {
     ReadViewFieldAbilityHandler,
     CreateViewFieldAbilityHandler,
     UpdateViewFieldAbilityHandler,
+    //Favorite
+    ReadFavoriteAbilityHandler,
+    CreateFavoriteAbilityHandler,
+    DeleteFavoriteAbilityHandler,
     // ViewSort
     ReadViewSortAbilityHandler,
     CreateViewSortAbilityHandler,

server/src/ability/handlers/favorite.ability-handler.ts

@@ -0,0 +1,74 @@
+import {
+  ExecutionContext,
+  Injectable,
+  NotFoundException,
+} from '@nestjs/common';
+import { GqlExecutionContext } from '@nestjs/graphql';
+
+import { subject } from '@casl/ability';
+
+import { IAbilityHandler } from 'src/ability/interfaces/ability-handler.interface';
+
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from 'src/ability/ability.action';
+import { AppAbility } from 'src/ability/ability.factory';
+import { relationAbilityChecker } from 'src/ability/ability.util';
+import { FavoriteWhereInput } from 'src/core/@generated/favorite/favorite-where.input';
+import { assert } from 'src/utils/assert';
+
+class FavoriteArgs {
+  where?: FavoriteWhereInput;
+}
+
+@Injectable()
+export class ManageFavoriteAbilityHandler implements IAbilityHandler {
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Manage, 'Favorite');
+  }
+}
+
+@Injectable()
+export class ReadFavoriteAbilityHandler implements IAbilityHandler {
+  handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'Favorite');
+  }
+}
+
+@Injectable()
+export class CreateFavoriteAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility, context: ExecutionContext) {
+    const gqlContext = GqlExecutionContext.create(context);
+    const args = gqlContext.getArgs();
+
+    const allowed = await relationAbilityChecker(
+      'Favorite',
+      ability,
+      this.prismaService.client,
+      args,
+    );
+
+    if (!allowed) {
+      return false;
+    }
+
+    return ability.can(AbilityAction.Create, 'Favorite');
+  }
+}
+
+@Injectable()
+export class DeleteFavoriteAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  async handle(ability: AppAbility, context: ExecutionContext) {
+    const gqlContext = GqlExecutionContext.create(context);
+    const args = gqlContext.getArgs<FavoriteArgs>();
+    const favorite = await this.prismaService.client.favorite.findFirst({
+      where: args.where,
+    });
+    assert(favorite, '', NotFoundException);
+
+    return ability.can(AbilityAction.Delete, subject('Favorite', favorite));
+  }
+}