Implement studyGroupService.ts

frontend/api/studyGroupService.ts

@@ -0,0 +1,170 @@
+import { z } from 'zod';
+
+import { HttpRequestType, buildRequest } from './common';
+
+const STUDY_GROUPS_URL = `${process.env.BACKEND}/studygroups/`;
+
+const StudyGroupSchema = z.object({
+	id: z.number(),
+	title: z.string(),
+	description: z.string(),
+	leader: z.number(),
+	meeting_datetime: z.string(),
+	max_spots: z.number(),
+	members: z.array(z.number()),
+});
+
+type StudyGroup = z.infer<typeof StudyGroupSchema>;
+
+type StudyGroupPayload = {
+	title: string;
+	description: string;
+	leader: number;
+	meeting_datetime: string;
+	max_spots: number;
+};
+
+export async function getAllStudyGroup(): Promise<StudyGroup[] | null> {
+	try {
+		const response = await fetch(STUDY_GROUPS_URL, buildRequest(HttpRequestType.GET));
+
+		if (!response.ok) {
+			console.error('Failed to fetch study groups:', response.status, response.statusText);
+			return null;
+		}
+
+		const data = await response.json();
+		const parsed = z.array(StudyGroupSchema).safeParse(data);
+
+		if (!parsed.success) {
+			console.error('Failed to parse study groups:', parsed.error.issues);
+			return null;
+		}
+
+		return parsed.data;
+	} catch (error) {
+		console.error('Error fetching study groups:', error);
+		return null;
+	}
+}
+
+export async function createNewStudyGroup(payLoad: StudyGroupPayload): Promise<StudyGroup | null> {
+	try {
+		const response = await fetch(STUDY_GROUPS_URL, buildRequest(HttpRequestType.POST, payLoad));
+
+		if (!response.ok) {
+			console.error('Failed to create study group:', response.status, response.statusText);
+			return null;
+		}
+
+		const data = await response.json();
+		const parsed = StudyGroupSchema.safeParse(data);
+
+		if (!parsed.success) {
+			console.error('Failed to parse created study group:', parsed.error.issues);
+			return null;
+		}
+
+		return parsed.data;
+	} catch (error) {
+		console.error('Error creating study group:', error);
+		return null;
+	}
+}
+
+export async function getStudyGroup(studygroupId: string): Promise<StudyGroup | null> {
+	try {
+		const response = await fetch(
+			buildStudyGroupUrl(studygroupId),
+			buildRequest(HttpRequestType.GET)
+		);
+
+		if (!response.ok) {
+			console.error(
+				`Failed to fetch question ${studygroupId}:`,
+				response.status,
+				response.statusText
+			);
+			return null;
+		}
+
+		const data = await response.json();
+		const parsed = StudyGroupSchema.safeParse(data);
+
+		if (!parsed.success) {
+			console.error(`Failed to parse study group ${studygroupId}:`, parsed.error.issues);
+			return null;
+		}
+
+		return parsed.data;
+	} catch (error) {
+		console.error(`Error fetching study group ${studygroupId}:`, error);
+		return null;
+	}
+}
+
+export async function updateStudyGroup(
+	studygroupId: string,
+	payLoad: StudyGroupPayload
+): Promise<StudyGroup | null> {
+	try {
+		const response = await fetch(
+			buildStudyGroupUrl(studygroupId),
+			buildRequest(HttpRequestType.PUT, payLoad)
+		);
+
+		if (!response.ok) {
+			console.error(
+				`Failed to update study group ${studygroupId}:`,
+				response.status,
+				response.statusText
+			);
+			return null;
+		}
+
+		const data = await response.json();
+		const parsed = StudyGroupSchema.safeParse(data);
+
+		if (!parsed.success) {
+			console.error(
+				`Failed to parse updated study group ${studygroupId}:`,
+				parsed.error.issues
+			);
+			return null;
+		}
+
+		return parsed.data;
+	} catch (error) {
+		console.error(`Error updating study group ${studygroupId}:`, error);
+		return null;
+	}
+}
+
+export async function deleteStudyGroup(studygroupId: string): Promise<boolean> {
+	try {
+		const response = await fetch(
+			buildStudyGroupUrl(studygroupId),
+			buildRequest(HttpRequestType.DELETE)
+		);
+
+		if (response.status !== 204) {
+			console.error(
+				`Failed to delete study group ${studygroupId}:`,
+				response.status,
+				response.statusText
+			);
+			return false;
+		}
+
+		return true;
+	} catch (error) {
+		console.error(`Error deleting study group ${studygroupId}:`, error);
+		return false;
+	}
+}
+
+function buildStudyGroupUrl(studygroupId: string): string {
+	const encodedStudyGroupId = encodeURIComponent(studygroupId.toString());
+
+	return `${STUDY_GROUPS_URL}${encodedStudyGroupId}`;
+}