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feat: restructure src/

This commit is contained in:
James Cook 2023-04-16 21:06:10 +01:00
parent 3aa119a063
commit e91fb1688d
6 changed files with 9 additions and 9 deletions

322
src/core/baseClient.ts Normal file
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import ky, { type Options as KyOptions } from "ky-universal";
import type {
ActivityResponse,
AnnouncementsResponse,
AttendanceResponse,
BadgesResponse,
BehaviourResponse,
ClassChartsResponse,
DetentionsResponse,
GetActivityOptions,
GetAttendanceOptions,
GetBehaviourOptions,
GetFullActivityOptions,
GetHomeworkOptions,
GetLessonsOptions,
GetStudentInfoResponse,
HomeworksResponse,
LessonsResponse,
} from "../types.js";
import { PING_INTERVAL } from "../utils/consts.js";
/**
* Shared client for both parent and student. This is not exported and should not be used directly
* @internal
*/
export class BaseClient {
/**
* @property studentId Currently selected student ID
*/
public studentId = 0;
/**
* @internal
* @property authCookies Cookies used for authentication (set during login and can be empty)
*/
public authCookies: Array<string>;
/**
* @property sessionId Session ID used for authentication
*/
public sessionId = "";
/**
* @property lastPing Last time the sessionId was updated
*/
public lastPing = 0;
/**
* @property API_BASE Base API URL, this is different depending if its called as a parent or student
* @internal
*/
protected API_BASE = "";
/**
*
* @param API_BASE Base API URL, this is different depending if its called as a parent or student
*/
constructor(API_BASE: string) {
this.authCookies = [];
this.API_BASE = API_BASE;
}
/**
* Revalidates the session ID.
*
* This is called automatically when the session ID is older than 3 minutes or when intially using the .login() method
* @internal
*/
public async getNewSessionId() {
const pingFormData = new URLSearchParams();
pingFormData.append("include_data", "true");
const pingData = await this.makeAuthedRequest(
this.API_BASE + "/ping",
{
method: "POST",
body: pingFormData,
},
{ revalidateToken: false }
);
this.sessionId = pingData.meta.session_id;
this.lastPing = Date.now();
}
/**
* Makes a request to the Classcharts API with the required authentication headers
*
* @param path Path to the API endpoint
* @param kyOptions Ky (fetch library) request options
* @param options
* @param options.revalidateToken Whether to revalidate the session ID if it is older than 3 minutes
*
* @returns Response
* @internal
*/
public async makeAuthedRequest(
path: string,
kyOptions: KyOptions,
options?: { revalidateToken?: boolean }
) {
if (!this.sessionId) throw new Error("No session ID");
if (!options) {
options = {};
}
if (typeof options?.revalidateToken == "undefined") {
options.revalidateToken = true;
}
const requestOptions = {
...kyOptions,
headers: {
Cookie: this?.authCookies?.join(";") ?? [],
Authorization: "Basic " + this.sessionId,
...kyOptions.headers,
},
credentials: undefined,
} satisfies KyOptions;
if (options?.revalidateToken === true && this.lastPing) {
if (Date.now() - this.lastPing + 5000 > PING_INTERVAL) {
await this.getNewSessionId();
}
}
const request = await ky(path, requestOptions);
const responseJSON = (await request.json()) as ClassChartsResponse<
unknown,
unknown
>;
if (responseJSON.success == 0) {
throw new Error(responseJSON.error);
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
return responseJSON as any;
}
/**
* Gets general information about the current student
* @returns Student object
*/
async getStudentInfo(): Promise<GetStudentInfoResponse> {
const body = new URLSearchParams();
body.append("include_data", "true");
const data = await this.makeAuthedRequest(this.API_BASE + "/ping", {
method: "POST",
body: body,
});
return data;
}
/**
* Gets the current student's activity
*
* This function is only used for pagination, you likely want client.getFullActivity
* @param options GetActivityOptions
* @returns Activity data
* @see getFullActivity
*/
async getActivity(options?: GetActivityOptions): Promise<ActivityResponse> {
const params = new URLSearchParams();
options?.from && params.append("from", options?.from);
options?.to && params.append("to", options?.to);
options?.last_id && params.append("last_id", options?.last_id);
return this.makeAuthedRequest(
this.API_BASE + "/activity/" + this.studentId + "?" + params.toString(),
{
method: "GET",
}
);
}
/**
* Gets the current student's activity between two dates
*
* This function will automatically paginate through all the data returned by getActivity
* @param options GetFullActivityOptions
* @returns Activity Data
* @see getActivity
*/
async getFullActivity(
options: GetFullActivityOptions
): Promise<ActivityResponse["data"]> {
let data: ActivityResponse["data"] = [];
let prevLast: number | undefined;
let gotData = true;
while (gotData) {
const params: GetActivityOptions = {
from: options.from,
to: options.to,
};
if (prevLast) {
params.last_id = String(prevLast);
}
const fragment = (await this.getActivity(params)).data;
if (!fragment || !fragment.length) {
gotData = false;
} else {
data = data.concat(fragment);
prevLast = fragment[fragment.length - 1].id;
}
}
return data;
}
/**
* Gets the current student's behaviour
* @param options GetBehaviourOptions
* @returns Array of behaviour points
*/
async getBehaviour(
options?: GetBehaviourOptions
): Promise<BehaviourResponse> {
const params = new URLSearchParams();
options?.from && params.append("from", options?.from);
options?.to && params.append("to", options?.to);
return await this.makeAuthedRequest(
this.API_BASE + "/behaviour/" + this.studentId + "?" + params.toString(),
{
method: "GET",
}
);
}
/**
* Gets the current student's homework
* @param options GetHomeworkOptions
* @returns Array of homeworks
*/
async getHomeworks(options?: GetHomeworkOptions): Promise<HomeworksResponse> {
const params = new URLSearchParams();
if (options?.displayDate)
params.append("display_date", String(options?.displayDate));
options?.from && params.append("from", String(options?.from));
options?.to && params.append("to", String(options?.to));
const data: HomeworksResponse = await this.makeAuthedRequest(
this.API_BASE + "/homeworks/" + this.studentId + "?" + params.toString(),
{
method: "GET",
}
);
for (let i = 0; i < data.data.length; i++) {
data.data[i].description_raw = data.data[i].description;
// homework.lesson.replace(/\\/g, '')
data.data[i].description = data.data[i].description.replace(
/(<([^>]+)>)/gi,
""
);
data.data[i].description = data.data[i].description.replace(
/&nbsp;/g,
""
);
data.data[i].description = data.data[i].description.trim();
}
return data;
}
/**
* Gets the current student's lessons for a given date
* @param options GetLessonsOptions
* @returns Array of lessons
*/
async getLessons(options?: GetLessonsOptions): Promise<LessonsResponse> {
if (!options?.date) throw new Error("No date specified");
const params = new URLSearchParams();
params.append("date", String(options?.date));
return await this.makeAuthedRequest(
this.API_BASE + "/timetable/" + this.studentId + "?" + params.toString(),
{
method: "GET",
}
);
}
/**
* Gets the current student's earned badges
* @returns Array of badges
*/
async getBadges(): Promise<BadgesResponse> {
return await this.makeAuthedRequest(
this.API_BASE + "/eventbadges/" + this.studentId,
{
method: "GET",
}
);
}
/**
* Gets the current student's announcements
* @returns Array of announcements
*/
async getAnnouncements(): Promise<AnnouncementsResponse> {
return (
await this.makeAuthedRequest(
this.API_BASE + "/announcements/" + this.studentId,
{
method: "GET",
}
)
).data;
}
/**
* Gets the current student's detentions
* @returns Array of detentions
*/
async getDetentions(): Promise<DetentionsResponse> {
return (
await this.makeAuthedRequest(
this.API_BASE + "/detentions/" + this.studentId,
{
method: "GET",
}
)
).data;
}
/**
* Gets the current student's attendance
* @param options GetAttendanceOptions
* @returns Array of dates of attendance
*/
async getAttendance(
options?: GetAttendanceOptions
): Promise<AttendanceResponse> {
const params = new URLSearchParams();
options?.from && params.append("from", options?.from);
options?.to && params.append("to", options?.to);
return (
await this.makeAuthedRequest(
this.API_BASE +
"/attendance/" +
this.studentId +
"?" +
params.toString(),
{
method: "GET",
}
)
).data;
}
}

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src/core/parentClient.ts Normal file
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import ky from "ky-universal";
import type { GetPupilsResponse } from "../types.js";
import { BaseClient } from "./baseClient.js";
import { API_BASE_PARENT, BASE_URL } from "../utils/consts.js";
import { parseCookies } from "../utils/utils.js";
/**
* Parent Client
*/
export class ParentClient extends BaseClient {
private password = "";
private email = "";
// @ts-expect-error Init in .login
public pupils: GetPupilsResponse;
/**
*
* @param email Parent's email address
* @param password Parent's password
*/
constructor(email: string, password: string) {
super(API_BASE_PARENT);
this.email = String(email);
this.password = String(password);
}
/**
* Authenticates with classcharts
*/
async login(): Promise<void> {
if (!this.email) throw new Error("Email not inputted");
const formData = new URLSearchParams();
formData.append("_method", "POST");
formData.append("email", this.email);
formData.append("logintype", "existing");
formData.append("password", this.password);
formData.append("recaptcha-token", "no-token-avaliable");
const headers = new Headers({
"Content-Type": "application/x-www-form-urlencoded",
});
const response = await ky(BASE_URL + "/parent/login", {
method: "POST",
body: formData,
headers: headers,
credentials: undefined,
});
if (response.status != 302 || !response.headers.get("set-cookie"))
throw new Error(
"Unauthenticated: Classcharts returned an error: " +
response.status +
" " +
response.statusText
);
const cookies = String(response.headers.get("set-cookie"));
// this.authCookies = cookies.split(";");
const sessionCookies = parseCookies(cookies);
const sessionID = JSON.parse(
String(sessionCookies["parent_session_credentials"])
);
super.sessionId = sessionID.session_id;
this.pupils = await this.getPupils();
if (!this.pupils) throw new Error("Account has no pupils attached");
super.studentId = this.pupils[0].id;
}
/**
* Get a list of pupils connected to this parent's account
* @returns an array of Pupils connected to this parent's account
*/
async getPupils(): Promise<GetPupilsResponse> {
return super.makeAuthedRequest(super.API_BASE + "/pupils", {
method: "GET",
});
}
/**
* Selects a pupil to be used with API requests
* @param pupilId Pupil ID obtained from this.pupils or getPupils()
*
* @see getPupils
*/
async selectPupil(pupilId: number): Promise<void> {
if (!pupilId) throw new Error("No pupil ID specified");
const pupils = this.pupils;
for (let i = 0; i < pupils.length; i++) {
const pupil = pupils[i];
if (pupil.id == pupilId) {
super.studentId = pupil.id;
return;
}
}
throw new Error("No pupil with specified ID returned");
}
}

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src/core/studentClient.ts Normal file
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import { API_BASE_STUDENT, BASE_URL } from "../utils/consts.js";
import { BaseClient } from "./baseClient.js";
import { parseCookies } from "../utils/utils.js";
import ky from "ky-universal";
/**
* Student Client
*/
export class StudentClient extends BaseClient {
/**
* @property studentCode Classcharts student code
* @internal
*/
private studentCode = "";
/**
* @property dateOfBirth Student's date of birth
* @internal
*/
private dateOfBirth = "";
/**
*
* @param studentCode Classcharts student code
* @param dateOfBirth Student's date of birth
*/
constructor(studentCode: string, dateOfBirth?: string) {
super(API_BASE_STUDENT);
this.studentCode = String(studentCode);
this.dateOfBirth = String(dateOfBirth);
}
/**
* Authenticates with classcharts
*/
async login(): Promise<void> {
if (!this.studentCode) throw new Error("Student Code not inputted");
const formData = new URLSearchParams();
formData.append("_method", "POST");
formData.append("code", this.studentCode.toUpperCase());
formData.append("dob", this.dateOfBirth);
formData.append("remember_me", "1");
formData.append("recaptcha-token", "no-token-avaliable");
const request = await ky(BASE_URL + "/student/login", {
method: "POST",
body: formData,
redirect: "manual",
throwHttpErrors: false,
credentials: undefined,
});
if (request.status != 302 || !request.headers.get("set-cookie")) {
throw new Error(
"Unauthenticated: Classcharts returned an error: " +
request.status +
" " +
request.statusText
);
}
const cookies = String(request.headers.get("set-cookie"));
this.authCookies = cookies.split(",");
const sessionCookies = parseCookies(cookies);
const sessionID = JSON.parse(
String(sessionCookies["student_session_credentials"])
);
this.sessionId = sessionID.session_id;
await this.getNewSessionId();
const user = await this.getStudentInfo();
this.studentId = user.data.user.id;
}
}