extensions/interactions/NumericInput/directives/numeric-input-rules.service.ts - develop - githubmirror/oppia

extensions/interactions/NumericInput/directives/numeric-input-rules.service.ts

82 строки2 KB

Hardik Goyal

Fix #7092: Remove downgradeComponent (#21903)

18 фев 2025, 21:22

18 фев 2025, 21:224dbd84c

// Copyright 2019 The Oppia Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

/**
 * @fileoverview Rules service for the interaction.
 */

import {Injectable} from '@angular/core';

import {NumericInputAnswer} from 'interactions/answer-defs';
import {
  NumericInputEqualRuleInputs,
  NumericInputIsInclusivelyBetweenRuleInputs,
  NumericInputIsWithinToleranceRuleInputs,
} from 'interactions/rule-input-defs';

@Injectable({
  providedIn: 'root',
})
export class NumericInputRulesService {
  Equals(
    answer: NumericInputAnswer,
    inputs: NumericInputEqualRuleInputs
  ): boolean {
    return answer === inputs.x;
  }

  IsLessThan(
    answer: NumericInputAnswer,
    inputs: NumericInputEqualRuleInputs
  ): boolean {
    return answer < inputs.x;
  }

  IsGreaterThan(
    answer: NumericInputAnswer,
    inputs: NumericInputEqualRuleInputs
  ): boolean {
    return answer > inputs.x;
  }

  IsLessThanOrEqualTo(
    answer: NumericInputAnswer,
    inputs: NumericInputEqualRuleInputs
  ): boolean {
    return answer <= inputs.x;
  }

  IsGreaterThanOrEqualTo(
    answer: NumericInputAnswer,
    inputs: NumericInputEqualRuleInputs
  ): boolean {
    return answer >= inputs.x;
  }

  IsInclusivelyBetween(
    answer: NumericInputAnswer,
    inputs: NumericInputIsInclusivelyBetweenRuleInputs
  ): boolean {
    // TODO(wxy): Have frontend validation at creation time to check that
    // inputs.a <= inputs.b.
    return answer >= inputs.a && answer <= inputs.b;
  }

  IsWithinTolerance(
    answer: NumericInputAnswer,
    inputs: NumericInputIsWithinToleranceRuleInputs
  ): boolean {
    return answer >= inputs.x - inputs.tol && answer <= inputs.x + inputs.tol;
  }
}