tdpeuter/2025SELab2-project-Dwengo
tdpeuter/2025SELab2-project-Dwengo
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Code Issues Releases 4 Packages 2 Wiki Activity

feat(frontend): Navigatie voor leerpad geïmplementeerd.

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This commit is contained in:
Gerald Schmittinger 2025-03-23 19:20:56 +01:00
parent 3c3fddb7d0
commit 07340de2e3
13 changed files with 216 additions and 54 deletions
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12
frontend/src/services/api-client/api-exceptions.d.ts → frontend/src/services/api-client/api-exceptions.ts
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@ -8,3 +8,15 @@ export class HttpErrorStatusException extends Error {
this.statusCode = response.status;
}
}
export class NotFoundException extends Error {
constructor(message: string) {
super(message);
}
}
export class InvalidResponseException extends Error {
constructor(message: string) {
super(message);
}
}

10
frontend/src/services/api-client/endpoints/get-html-endpoint.ts Normal file
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@ -0,0 +1,10 @@
import {type Params, RestEndpoint} from "@/services/api-client/endpoints/rest-endpoint.ts";
import {RemoteResource} from "@/services/api-client/remote-resource.ts";
export class GetHtmlEndpoint<PP extends Params, QP extends Params> extends RestEndpoint<PP, QP, undefined, Document> {
readonly method: "GET" | "POST" | "PUT" | "DELETE" = "GET";
public get(pathParams: PP, queryParams: QP): RemoteResource<Document> {
return super.request(pathParams, queryParams, undefined, "document");
}
}

17
frontend/src/services/api-client/endpoints/rest-endpoint.ts
View file

@ -1,23 +1,28 @@
import {RemoteResource} from "@/services/api-client/remote-resource.ts";
import apiClient from "@/services/api-client/api-client.ts";
import {HttpErrorStatusException} from "@/services/api-client/api-exceptions";
import {HttpErrorStatusException} from "@/services/api-client/api-exceptions.ts";
import type {ResponseType} from "axios";
export abstract class RestEndpoint<PP extends Params, QP extends Params, B, R> {
public abstract readonly method: "GET" | "POST" | "PUT" | "DELETE";
constructor(public readonly url: string) {
}
protected request(pathParams: PP, queryParams: QP, body: B): RemoteResource<R> {
let urlFilledIn = this.url;
urlFilledIn.replace(/:(\w+)([/$])/g, (_, key, after) =>
(key in pathParams ? encodeURIComponent(pathParams[key]) : `:${key}`) + after
protected request(pathParams: PP, queryParams: QP, body: B, responseType?: ResponseType): RemoteResource<R> {
let urlFilledIn = this.url.replace(/:(\w+)(\/|$)/g, (_, key, after) =>
(pathParams[key] ? encodeURIComponent(pathParams[key]) : `:${key}`) + after
);
console.log(this.url);
console.log(/:(\w+)(\W|$)/g.test(this.url))
console.log(pathParams);
console.log("--> filled in: " + urlFilledIn);
return new RemoteResource(async () => {
const response = await apiClient.request<R>({
url: urlFilledIn,
method: this.method,
params: queryParams,
data: body,
responseType: responseType || 'json'
});
if (response.status / 100 !== 2) {
throw new HttpErrorStatusException(response);
@ -27,4 +32,4 @@ export abstract class RestEndpoint<PP extends Params, QP extends Params, B, R> {
}
}
export type Params = {[key: string]: string | number | boolean};
export type Params = {[key: string]: string | number | boolean | undefined};

53
frontend/src/services/api-client/remote-resource.ts
View file

@ -2,22 +2,40 @@ export class RemoteResource<T> {
static NOT_LOADED: NotLoadedState = {type: "notLoaded"};
static LOADING: LoadingState = {type: "loading"};
private state: NotLoadedState | LoadingState | ErrorState | SuccessState<T> = RemoteResource.NOT_LOADED;
private _state: RemoteResourceState<T> = RemoteResource.NOT_LOADED;
constructor(private readonly requestFn: () => Promise<T>) {
}
public static join<T>(resources: RemoteResource<T>[]): RemoteResource<T[]> {
return new RemoteResource(async () => {
console.log("joined fetch");
const promises = resources.map(it => it.request());
const data = await Promise.all(promises);
const failed = resources
.filter(it => it.state.type === "error")
.map(it => it.state as ErrorState);
if (failed.length > 0) {
console.log("joined error!");
throw failed[0].error;
}
console.log("succ");
console.log(data);
return data.map(it => it!);
});
}
public async request(): Promise<T | undefined> {
this.state = RemoteResource.LOADING;
this._state = RemoteResource.LOADING;
try {
let resource = await this.requestFn();
this.state = {
this._state = {
type: "success",
data: resource
};
return resource;
} catch (e: any) {
this.state = {
this._state = {
type: "error",
errorCode: e.statusCode,
message: e.message,
@ -31,19 +49,23 @@ export class RemoteResource<T> {
return this;
}
public get state(): RemoteResourceState<T> {
return this._state;
}
public get data(): T | undefined {
if (this.state.type === "success") {
return this.state.data;
if (this._state.type === "success") {
return this._state.data;
}
}
public map<U>(mappingFn: (content: T) => U): RemoteResource<U> {
return new RemoteResource<U>(async () => {
await this.request();
if (this.state.type === "success") {
return mappingFn(this.state.data);
} else if (this.state.type === "error") {
throw this.state.error;
if (this._state.type === "success") {
return mappingFn(this._state.data);
} else if (this._state.type === "error") {
throw this._state.error;
} else {
throw new Error("Fetched resource, but afterwards, it was neither in a success nor in an error state. " +
"This should never happen.");
@ -52,19 +74,20 @@ export class RemoteResource<T> {
}
}
type NotLoadedState = {
export type NotLoadedState = {
type: "notLoaded"
};
type LoadingState = {
export type LoadingState = {
type: "loading"
};
type ErrorState = {
export type ErrorState = {
type: "error",
errorCode?: number,
message?: string,
error: any
};
type SuccessState<T> = {
export type SuccessState<T> = {
type: "success",
data: T
}
};
export type RemoteResourceState<T> = NotLoadedState | LoadingState | ErrorState | SuccessState<T>;