2049 timebox 1j zapier integration 4 define and implement a first trigger for zapier app (#2132)

* Add create company trigger

* Refactor

* Add operation in subscribe

* Add create hook api endpoint

* Add import of hook module

* Add a test for hook subscribe

* Add delete hook api endpoint

* Add delete hook test

* Add findMany hook route

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

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

@@ -0,0 +1,57 @@
+import {
+  Injectable,
+  ExecutionContext,
+  NotFoundException,
+} from '@nestjs/common';
+import { GqlExecutionContext } from '@nestjs/graphql';
+
+import { subject } from '@casl/ability';
+
+import { IAbilityHandler } from 'src/ability/interfaces/ability-handler.interface';
+
+import { AppAbility } from 'src/ability/ability.factory';
+import { relationAbilityChecker } from 'src/ability/ability.util';
+import { PrismaService } from 'src/database/prisma.service';
+import { AbilityAction } from 'src/ability/ability.action';
+import { assert } from 'src/utils/assert';
+
+@Injectable()
+export class CreateHookAbilityHandler 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(
+      'Hook',
+      ability,
+      this.prismaService.client,
+      args,
+    );
+    if (!allowed) {
+      return false;
+    }
+    return ability.can(AbilityAction.Create, 'Hook');
+  }
+}
+
+@Injectable()
+export class DeleteHookAbilityHandler implements IAbilityHandler {
+  constructor(private readonly prismaService: PrismaService) {}
+  async handle(ability: AppAbility, context: ExecutionContext) {
+    const gqlContext = GqlExecutionContext.create(context);
+    const args = gqlContext.getArgs();
+    const hook = await this.prismaService.client.hook.findFirst({
+      where: args.where,
+    });
+    assert(hook, '', NotFoundException);
+    return ability.can(AbilityAction.Delete, subject('Hook', hook));
+  }
+}
+
+@Injectable()
+export class ReadHookAbilityHandler implements IAbilityHandler {
+  async handle(ability: AppAbility) {
+    return ability.can(AbilityAction.Read, 'Hook');
+  }
+}