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add gpa calculation
Signed-off-by: Anvay Mathur <[email protected]>
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‎CONTRIBUTING.md‎

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@@ -3,4 +3,37 @@ The main branch for version 2 is v2. Do not force push into it; please create pu
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This is a work in progress, so documentation files such as this and README.md are not fully fleshed out. Any help in this would be appreciated.
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If you want to make a new feature, please create an issue for it and link it in your pull request.
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If you want to make a new feature, please create an issue for it and link it in your pull request.
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### License Header
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If you modify an existing file, add your copyright notice to the file. Something like this:
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```
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@copyright Copyright (c) <year> <your name> <<your email address>>
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```
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For a new file, add this license header to the top of the file:
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```
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/**
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*
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* @copyright Copyright (c) <year> <your name> <<your email address>>
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*
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* @author <your name> <<your email address>>
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*
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* @license GNU AGPL version 3 only
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*
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* SAS Powerschool Enhancement Suite - A browser extension to improve the experience of SAS Powerschool.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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```

‎src/content_script/guardianHome/GPA.svelte‎

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<script lang="ts">
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import { gradeToPercent, listOfGrades } from "../..//models/grades";
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import type { ClassManager } from "../../models/classes";
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export let classManager: ClassManager;
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console.log("RERENDERING");
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$: sem1GPA = classManager.calculateGPA(1);
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$: sem2GPA = classManager.calculateGPA(2);
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let editGrades = false;
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</script>
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<p>GPA</p>
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{#if sem1GPA && sem1GPA !== -1}
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<p>First Semester GPA: {classManager.calculateGPA(1).toFixed(2)}</p>
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{:else}
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<p>First Semester GPA: N/A</p>
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{/if}
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{#if sem2GPA && sem2GPA !== -1}
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<p>Second Semester GPA: {classManager.calculateGPA(2).toFixed(2)}</p>
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{:else}
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<p>Second Semester GPA: N/A</p>
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{/if}
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<label class="tw-flex tw-items-center tw-gap-2">
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<input type="checkbox" class="!tw-m-0" bind:checked={editGrades} />
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Edit grades for GPA calculation
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</label>
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{#if editGrades}
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<table class="!tw-w-auto grid zebra tw-mb-4">
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<thead>
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<th> Class </th>
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<th> S1 Grade </th>
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<th> S2 Grade </th>
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<th> Credits </th>
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<th> AP/AT </th>
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</thead>
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<tbody>
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{#each classManager.classes as c, i}
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<tr>
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<td> {c.name} </td>
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<td>
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<select
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class="tw-rounded-md tw-h-full tw-border-[#CCCCCC] tw-border-solid tw-border tw-p-1"
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bind:value={classManager.classes[i].grade.s1}
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>
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{#each listOfGrades as grade}
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<option value={grade}
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>{grade}
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{grade !== "INC" ? `(${gradeToPercent[grade]}%)` : ""}
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</option>
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{/each}
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</select>
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</td>
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<td>
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<select
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class="tw-rounded-md tw-h-full tw-border-[#CCCCCC] tw-border-solid tw-border tw-p-1"
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bind:value={classManager.classes[i].grade.s2}
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>
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{#each listOfGrades as grade}
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<option value={grade}
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>{grade}
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{grade !== "INC" ? `(${gradeToPercent[grade]}%)` : ""}
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</option>
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{/each}
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<option value={null}>No grade</option>
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</select>
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</td>
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<td>
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<select
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class="tw-rounded-md tw-h-full tw-border-[#CCCCCC] tw-border-solid tw-border tw-p-1"
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bind:value={classManager.classes[i].credits}
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>
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<option value={0}>0</option>
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<option value={0.5}>0.5</option>
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<option value={1}>1</option>
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<option value={2}>2</option>
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</select>
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</td>
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<td class="tw-align-middle tw-text-center">
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<input
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type="checkbox"
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class="!tw-m-0"
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bind:checked={classManager.classes[i].isBoosted}
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/>
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</td>
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</tr>
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{/each}
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</tbody>
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</table>
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{/if}

‎src/content_script/guardianHome/index.ts‎

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*
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*/
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import { Class, ClassManager } from "../../models/classes";
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import GPA from "./GPA.svelte";
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import { listOfGrades, type Grade } from "../../models/grades";
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console.log("WASSUP")
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const classManager = new ClassManager([]);
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const rows = document.querySelectorAll(".linkDescList.grid > tbody > tr.center:not(.th2)");
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for (const row of rows) {
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const nameEle = row.querySelector("td:nth-child(2)");
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const s1GradeEle = row.querySelector("td:nth-child(3)");
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const s2GradeEle = row.querySelector("td:nth-child(4)");
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if (!nameEle || !s1GradeEle || !s2GradeEle) continue;
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const name = nameEle.firstChild?.textContent?.trim();
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if (!name) continue;
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let s1Grade: string | null = s1GradeEle.textContent?.trim()!;
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if (!s1Grade) continue;
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if (!listOfGrades.includes(s1Grade as Grade)) s1Grade = null;
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let s2Grade: string | null = s2GradeEle.textContent?.trim()!;
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if (!s2Grade) continue;
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if (!listOfGrades.includes(s2Grade as Grade)) s2Grade = null;
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if (!s1Grade && !s2Grade) continue;
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classManager.addClass(new Class(name, { s1: s1Grade as Grade | null, s2: s2Grade as Grade | null }))
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}
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console.log(classManager);
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const target = document.createElement("div");
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document
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.querySelector("#content-main > .box-round")
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?.insertBefore(target, document.querySelector("#quickLookup"));
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new GPA({ target: target as Element });
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new GPA({ target: target as Element, props: { classManager: classManager } });

‎src/content_script/home/index.ts‎

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import Home from "./Home.svelte";
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console.log("rendering");
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const target = document.createElement("div");
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document

‎src/models/classes.ts‎

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/**
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*
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* @copyright Copyright (c) 2023-2024 Anvay Mathur <[email protected]>
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*
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* @author Anvay Mathur <[email protected]>
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*
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* @license GNU AGPL-3.0-only
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*
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* SAS Powerschool Enhancement Suite - A browser extension to improve the experience of SAS Powerschool.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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import type { Grade } from "./grades";
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export const gradeToGPA = {
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"A+": 4.5,
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A: 4,
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"B+": 3.5,
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B: 3,
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"C+": 2.5,
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C: 2,
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"D+": 1.5,
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D: 1,
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F: 0,
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INC: 0,
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} as const;
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export class ClassManager {
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public classes: Class[];
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constructor(classes: Class[]) {
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this.classes = classes;
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}
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public getTotalCredits(semester: 1 | 2): number {
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return this.classes.reduce((acc, cur) => {
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if (cur.grade[`s${semester}`] !== null && cur.grade[`s${semester}`] !== "INC") return acc + cur.credits;
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return acc;
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}, 0);
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}
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public calculateGPA(semester: 1 | 2): number {
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let gpa = 0;
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let totalCredits = this.getTotalCredits(semester);
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if (totalCredits === 0) return -1;
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for (const c of this.classes) {
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if (c.grade[`s${semester}`] === "INC") {
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continue;
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}
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if (c.grade[`s${semester}`] !== null) gpa += gradeToGPA[c.grade[`s${semester}`]!] * c.credits + (c.isBoosted ? 0.5 : 0);
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}
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return gpa / totalCredits;
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}
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public addClass(c: Class) {
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this.classes.push(c);
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}
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}
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export class Class {
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public id: number;
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public name: string;
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public static nextId: number = 1;
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public credits: number;
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public grade: {
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s1: Grade | null,
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s2: Grade | null
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};
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public isBoosted: boolean;
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constructor(name: string, grade: { s1: Grade | null, s2: Grade | null }) {
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this.id = Class.nextId++;
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this.name = name;
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this.grade = grade;
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this.isBoosted = name.includes("AP ") || name.includes("AT ");
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if (name.includes("English 10/American History") || name.includes("English 9/World History")) {
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this.credits = 2;
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} else if (/^(I Service: |IS: )/.test(name)) {
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this.credits = 0.5;
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} else {
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this.credits = 1;
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}
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}
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}

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