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"use server";
import db from "@/lib/db";
import { SRSStudyService, ReviewResult } from "@/lib/services/srs_study";
// Create an instance of the SRS service
const srsService = new SRSStudyService(db);
/**
* Start a study session for a lesson
* @param userId User ID
* @param lessonId Lesson ID
* @param random Whether to randomize card order
* @returns Cards due for review or new cards
*/
export async function startStudySession(userId: number, lessonId: number, random: boolean = true) {
return srsService.startStudySession(userId, lessonId, random);
}
/**
* Process a review result and update SRS parameters
* @param userId User ID
* @param cardId Card ID
* @param accuracy Recall accuracy (0-1)
* @param reviewTime Time taken to review in milliseconds
* @returns Updated card data
*/
export async function processReview(
userId: number,
cardId: number,
accuracy: number,
reviewTime: number = 5000
) {
const reviewResult: ReviewResult = {
cardId,
accuracy,
reviewTime
};
return srsService.processReview(userId, reviewResult);
}
/**
* Reset progress for a specific card
* @param userId User ID
* @param cardId Card ID
*/
export async function resetCardProgress(userId: number, cardId: number) {
srsService.resetProgress(userId, cardId);
return { ok: "Progress reset successfully" };
}
/**
* Get user study statistics
* @param userId User ID
* @returns Study statistics
*/
export async function getUserStudyStats(userId: number) {
return srsService.getUserStats(userId);
}
/**
* Get lesson progress statistics
* @param userId User ID
* @param lessonId Lesson ID
* @returns Lesson progress statistics
*/
export async function getLessonProgress(userId: number, lessonId: number) {
return srsService.getLessonProgress(userId, lessonId);
}
/**
* Get all lessons with progress information for a user
* @param userId User ID
* @returns Array of lessons with progress information
*/
export async function getUserLessons(userId: number) {
return srsService.getUserLessons(userId);
}
/**
* Get new cards for a lesson that haven't been studied yet
* @param userId User ID
* @param lessonId Lesson ID
* @param random Whether to randomize card order
* @returns New cards for the lesson
*/
export async function getNewCards(userId: number, lessonId: number, random: boolean = true) {
return srsService.fetchNewCards(userId, lessonId, random);
}
/**
* Create a simplified response object from review result
* Used for grading cards with Good/Again responses
* @param userId User ID
* @param cardId Card ID
* @param isCorrect Whether the answer was correct
* @returns Updated card data
*/
export async function gradeCard(userId: number, cardId: number, isCorrect: boolean) {
// Convert boolean to accuracy (0.2 for wrong, 1.0 for correct)
const accuracy = isCorrect ? 1.0 : 0.2;
return processReview(userId, cardId, accuracy);
}
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