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Updated the exam selection to get exams related to the user's topic preference

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This commit is contained in:
Tiago Ribeiro
2024-02-13 16:04:46 +00:00
parent c0c9d22864
commit 6a38b7a32e
2 changed files with 33 additions and 10 deletions
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39
src/utils/exams.be.ts
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@@ -1,7 +1,7 @@
import {collection, getDocs, query, where, setDoc, doc, Firestore, getDoc} from "firebase/firestore";
import {shuffle} from "lodash";
import {Difficulty, Exam, InstructorGender, Variant} from "@/interfaces/exam";
import {Stat, User} from "@/interfaces/user";
import {Difficulty, Exam, InstructorGender, SpeakingExam, Variant, WritingExam} from "@/interfaces/exam";
import {DeveloperUser, Stat, StudentUser, User} from "@/interfaces/user";
import {Module} from "@/interfaces";
export const getExams = async (
@@ -28,9 +28,10 @@ export const getExams = async (
})),
) as Exam[];
const variantExams: Exam[] = filterByVariant(allExams, variant);
const genderedExams: Exam[] = filterByInstructorGender(variantExams, instructorGender);
const difficultyExams: Exam[] = await filterByDifficulty(db, genderedExams, module, userId);
let exams: Exam[] = filterByVariant(allExams, variant);
exams = filterByInstructorGender(exams, instructorGender);
exams = await filterByDifficulty(db, exams, module, userId);
exams = await filterByPreference(db, exams, module, userId);
if (avoidRepeated === "true") {
const statsQ = query(collection(db, "stats"), where("user", "==", userId));
@@ -40,12 +41,12 @@ export const getExams = async (
id: doc.id,
...doc.data(),
})) as unknown as Stat[];
const filteredExams = difficultyExams.filter((x) => !stats.map((s) => s.exam).includes(x.id));
const filteredExams = exams.filter((x) => !stats.map((s) => s.exam).includes(x.id));
return filteredExams.length > 0 ? filteredExams : difficultyExams;
return filteredExams.length > 0 ? filteredExams : exams;
}
return difficultyExams;
return exams;
};
const filterByInstructorGender = (exams: Exam[], instructorGender?: InstructorGender) => {
@@ -70,3 +71,25 @@ const filterByDifficulty = async (db: Firestore, exams: Exam[], module: Module,
const filteredExams = exams.filter((exam) => exam.difficulty === difficulty);
return filteredExams.length === 0 ? exams : filteredExams;
};
const filterByPreference = async (db: Firestore, exams: Exam[], module: Module, userID?: string) => {
if (!["speaking", "writing"].includes(module)) return exams;
if (!userID) return exams;
const userRef = await getDoc(doc(db, "users", userID));
if (!userRef.exists()) return exams;
const user = {...userRef.data(), id: userRef.id} as StudentUser | DeveloperUser;
if (!["developer", "student"].includes(user.type)) return exams;
if (!user.preferredTopics || user.preferredTopics.length === 0) return exams;
const userTopics = user.preferredTopics;
const topicalExams = exams.filter((e) => {
const exam = e as WritingExam | SpeakingExam;
const topics = exam.exercises.map((x) => x.topic).filter((x) => !!x) as string[];
return topics.some((topic) => userTopics.map((x) => x.toLowerCase()).includes(topic.toLowerCase()));
});
return topicalExams.length > 0 ? shuffle(topicalExams) : exams;
};