74 lines
2.2 KiB
TypeScript
74 lines
2.2 KiB
TypeScript
import {
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ExecutionContext,
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Injectable,
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NotFoundException,
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} from '@nestjs/common';
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import { GqlExecutionContext } from '@nestjs/graphql';
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import { subject } from '@casl/ability';
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import { IAbilityHandler } from 'src/ability/interfaces/ability-handler.interface';
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import { PrismaService } from 'src/database/prisma.service';
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import { AbilityAction } from 'src/ability/ability.action';
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import { AppAbility } from 'src/ability/ability.factory';
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import { CommentWhereInput } from 'src/core/@generated/comment/comment-where.input';
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import { assert } from 'src/utils/assert';
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class CommentArgs {
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where?: CommentWhereInput;
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}
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@Injectable()
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export class ManageCommentAbilityHandler implements IAbilityHandler {
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async handle(ability: AppAbility) {
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return ability.can(AbilityAction.Manage, 'Comment');
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}
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}
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@Injectable()
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export class ReadCommentAbilityHandler implements IAbilityHandler {
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handle(ability: AppAbility) {
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return ability.can(AbilityAction.Read, 'Comment');
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}
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}
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@Injectable()
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export class CreateCommentAbilityHandler implements IAbilityHandler {
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handle(ability: AppAbility) {
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return ability.can(AbilityAction.Create, 'Comment');
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}
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}
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@Injectable()
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export class UpdateCommentAbilityHandler implements IAbilityHandler {
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constructor(private readonly prismaService: PrismaService) {}
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async handle(ability: AppAbility, context: ExecutionContext) {
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const gqlContext = GqlExecutionContext.create(context);
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const args = gqlContext.getArgs<CommentArgs>();
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const comment = await this.prismaService.comment.findFirst({
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where: args.where,
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});
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assert(comment, '', NotFoundException);
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return ability.can(AbilityAction.Update, subject('Comment', comment));
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}
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}
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@Injectable()
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export class DeleteCommentAbilityHandler implements IAbilityHandler {
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constructor(private readonly prismaService: PrismaService) {}
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async handle(ability: AppAbility, context: ExecutionContext) {
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const gqlContext = GqlExecutionContext.create(context);
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const args = gqlContext.getArgs<CommentArgs>();
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const comment = await this.prismaService.comment.findFirst({
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where: args.where,
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});
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assert(comment, '', NotFoundException);
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return ability.can(AbilityAction.Delete, subject('Comment', comment));
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}
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}
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