Files
Sith/pedagogy/static/bundled/pedagogy/guide-index.ts
T

121 lines
4.0 KiB
TypeScript

import { getCurrentUrlParams, updateQueryString } from "#core:utils/history";
import { type SimpleUeSchema, ueFetchUeList } from "#openapi";
type CreditType = "CS" | "TM" | "EC" | "OM" | "QC";
type Semester = "AUTUMN" | "SPRING";
const pageDefault = 1;
const pageSizeDefault = 100;
document.addEventListener("alpine:init", () => {
Alpine.data("ue_search", () => ({
ues: {
count: 0,
next: null as string | null,
previous: null as string | null,
results: [] as SimpleUeSchema[],
},
loading: false,
page: pageDefault,
// biome-ignore lint/style/useNamingConvention: api is in snake_case
page_size: pageSizeDefault,
search: "",
hideClosedUes: true,
department: [] as string[],
// biome-ignore lint/style/useNamingConvention: api is in snake_case
credit_type: [] as CreditType[],
semester: [] as Semester[],
// biome-ignore lint/style/useNamingConvention: api is in snake_case
to_change: [] as { param: string; value: string }[],
// dummy implementation to make TS happy.
// The real function is initialized in init
update: () => {
console.warn("Update not yet initialized");
},
initializeArgs() {
const url = getCurrentUrlParams();
this.page = Number.parseInt(url.get("page") || pageDefault.toString(), 10);
this.page_size = Number.parseInt(
url.get("page_size") || pageSizeDefault.toString(),
10,
);
this.search = url.get("search") || "";
this.hideClosedUes = [null, "true"].includes(url.get("hideClosed"));
this.department = url.getAll("department");
this.credit_type = url.getAll("credit_type") as CreditType[];
/* The semester is easier to use on the backend as an enum (spring/autumn/both/none)
and easier to use on the frontend as an array ([spring, autumn]).
Thus there is some conversion involved when both communicate together */
this.semester = (url.get("semester")?.split("_AND_") || []) as Semester[];
this.update();
},
async init() {
this.update = Alpine.debounce(async () => {
/* Create the whole url before changing everything all at once */
for (const val of this.to_change) {
updateQueryString(val.param, val.value);
}
await this.fetchData(); /* reload data on form change */
this.to_change = [];
}, 50);
const searchParams = [
"search",
"hideClosedUes",
"department",
"credit_type",
"semester",
];
const paginationParams = ["page", "page_size"];
for (const param of searchParams) {
this.$watch(param, () => {
/* Reset pagination on search */
this.page = pageDefault;
this.page_size = pageSizeDefault;
});
}
for (const param of searchParams.concat(paginationParams)) {
this.$watch(param, (value: string) => {
this.to_change.push({ param: param, value: value });
this.update();
});
}
this.initializeArgs();
window.addEventListener("popstate", () => {
this.initializeArgs();
});
},
async fetchData() {
this.loading = true;
const res = await ueFetchUeList({
query: {
page: this.page,
// biome-ignore lint/style/useNamingConvention: api is in snake_case
page_size: this.page_size,
// biome-ignore lint/style/useNamingConvention: api is in snake_case
credit_type: this.credit_type.length > 0 ? this.credit_type : undefined,
semester: this.semester.length > 0 ? this.semester : undefined,
// biome-ignore lint/style/useNamingConvention: api is snake_case
is_open: this.hideClosedUes ? true : undefined,
department: this.department.length > 0 ? this.department : undefined,
search: this.search || undefined,
},
});
if (res.data !== undefined) {
this.ues = res.data;
}
this.loading = false;
},
maxPage() {
return Math.ceil(this.ues.count / this.page_size);
},
}));
});