Current timetable parsing

src/current-timetable.ts

@@ -0,0 +1,54 @@
+import { Lesson } from './types';
+import { defined } from './utils';
+
+interface CurrentTimetableCard {
+  type: 'card';
+  date: string;
+  uniperiod: string;
+  starttime: string;
+  endtime: string;
+  subjectid: string;
+  classids: string[]
+  groupnames: string[];
+  igroupid: string;
+  teacherids: string[];
+  classroomids: string[];
+  colors: string[];
+  cellSlices: string;
+  cellOrder: number;
+  removed?: boolean;
+}
+
+type CurrentTimetableItem = CurrentTimetableCard;
+
+export function parseCurrentTimetable(json: string): {
+  lessons: Lesson[];
+} {
+  const body = JSON.parse(json);
+  if (body === null || typeof body !== 'object') throw new Error('current timetable response should be an object');
+  if (body.r === null || typeof body.r !== 'object') {
+    throw new Error('current timetable response should have a field "r"');
+  }
+  if (!(body.r.ttitems instanceof Array)) throw new Error('current timetable response should have an array "r.ttitems"');
+  const items = body.r.ttitems as CurrentTimetableItem[];
+  const lessons = items.map((item): Lesson | undefined => {
+    if (item.type !== 'card') return undefined;
+    return {
+      type: 'lesson',
+      date: item.date,
+      periodId: item.uniperiod,
+      startTime: item.starttime,
+      endTime: item.endtime,
+      classIds: item.classids,
+      classroomIds: item.classroomids,
+      color: item.colors[0] ?? null,
+      groupNames: item.groupnames.filter((name) => name !== ''),
+      subjectId: item.subjectid,
+      teacherIds: item.teacherids,
+      removed: item.removed ?? false,
+    };
+  }).filter(defined);
+  return {
+    lessons,
+  };
+}

src/index.ts

@@ -1,3 +1,5 @@
 export * from './substitutions';
+export * from './maindbi';
+export * from './current-timetable';
 export * from './url';
 export * from './types';

src/maindbi.ts

@@ -0,0 +1,91 @@
+import { MainDbi } from './types.js';
+
+interface MainDbiTableRows {
+  teachers: {
+    id: string;
+    short: string;
+  };
+
+  subjects: {
+    id: string;
+    name: string;
+    short: string;
+  };
+
+  classrooms: {
+    id: string;
+    short: string;
+  };
+
+  classes: {
+    id: string;
+    name: string;
+    short: string;
+  };
+
+  periods: {
+    id: string;
+    name: string;
+    starttime: string;
+    endtime: string;
+  };
+}
+
+type MainDbiTable<ID extends keyof MainDbiTableRows = keyof MainDbiTableRows> = ID extends any ? {
+  id: ID;
+  data_rows: MainDbiTableRows[ID][];
+} : never;
+
+interface MainDbiResponse {
+  type: 'maindbi';
+  dbid: string;
+  tables: MainDbiTable[];
+}
+
+export function parseMainDbi(json: string): MainDbi {
+  const body = JSON.parse(json);
+  if (body === null || typeof body !== 'object') throw new Error('maindbi response should be an object');
+  if (body.r === null || typeof body.r !== 'object') throw new Error('maindbi response should have a field "r"');
+  if (body.r.type !== 'maindbi') throw new Error('"r.type" should be equal to "maindbi" in maindbi response');
+  const response = body.r as MainDbiResponse;
+  const result: MainDbi = {
+    classes: {},
+    classrooms: {},
+    subjects: {},
+    teachers: {},
+    periods: {},
+  };
+
+  const mappers: {
+    [ID in keyof MainDbiTableRows]: (row: MainDbiTableRows[ID]) => MainDbi[ID][string];
+  } = {
+    classes: (row) => ({
+      name: row.name,
+      short: row.short,
+    }),
+    teachers: (row) => ({
+      name: row.short,
+    }),
+    classrooms: (row) => ({
+      name: row.short,
+    }),
+    periods: (row) => ({
+      name: row.name,
+      startTime: row.starttime,
+      endTime: row.endtime,
+    }),
+    subjects: (row) => ({
+      name: row.name,
+      short: row.short,
+    }),
+  };
+  response.tables.forEach((table) => {
+    const resultTable = result[table.id];
+    const mapper = mappers[table.id];
+    table.data_rows.forEach((row) => {
+      resultTable[row.id] = mapper(row as any);
+    });
+  });
+
+  return result;
+}

src/types.ts

@@ -18,9 +18,57 @@ export interface SubstitutionSection {
   name: string;
   changes: Substitution[];
 }
+
 export interface Substitutions {
   date: string;
   absentTeachers: Absence[];
   absentClasses: Absence[];
   sections: SubstitutionSection[];
 }
+
+interface Teacher {
+  name: string;
+}
+
+interface Subject {
+  name: string;
+  short: string;
+}
+
+interface Classroom {
+  name: string;
+}
+
+interface Class {
+  name: string;
+  short: string;
+}
+
+interface Period {
+  name: string;
+  startTime: string;
+  endTime: string;
+}
+
+export interface MainDbi {
+  teachers: Record<string, Teacher>;
+  subjects: Record<string, Subject>;
+  classrooms: Record<string, Classroom>;
+  classes: Record<string, Class>;
+  periods: Record<string, Period>;
+}
+
+export interface Lesson {
+  type: 'lesson';
+  date: string;
+  periodId: string;
+  startTime: string;
+  endTime: string;
+  subjectId: string;
+  classIds: string[];
+  groupNames: string[];
+  teacherIds: string[];
+  classroomIds: string[];
+  color: string | null;
+  removed: boolean;
+}

src/url.ts

@@ -3,7 +3,51 @@ export const getSubstitutionsUrl = () => '/substitution/server/viewer.js?__func=
 export const getSubstitutionsBody = (date: string, teachersMode = false) => ({
   __args: [
     null,
-    { date: date, mode: teachersMode ? 'teachers' : 'classes' }
+    { date, mode: teachersMode ? 'teachers' : 'classes' },
   ],
-  __gsh: '00000000'
+  __gsh: '00000000',
+});
+
+export const getMainDbiBody = (schoolYear: number) => ({
+  __args: [
+    null,
+    schoolYear,
+    {},
+    {
+      op: 'fetch',
+      needed_part: {
+        teachers: ['short'],
+        subjects: ['short', 'name'],
+        classrooms: ['short'],
+        classes: ['short', 'name'],
+        periods: ['name', 'starttime', 'endtime'],
+      },
+      needed_combos: {},
+    },
+  ],
+  __gsh: '00000000',
+});
+
+export const getCurrentTimetableBody = (
+  schoolYear: number,
+  dateFrom: string,
+  dateTo: string,
+  table: 'classes' | 'teachers' | 'classrooms' | 'subjects',
+  id: string,
+) => ({
+  __args: [
+    null,
+    {
+      year: schoolYear,
+      datefrom: dateFrom,
+      dateto: dateTo,
+      table,
+      id,
+      showColors: true,
+      showIgroupsInClasses: false,
+      showOrig: true,
+      log_module: 'CurrentTTView',
+    },
+  ],
+  __gsh: '00000000',
 });

test/expected/class-current-timetable-0.json

@@ -0,0 +1,109 @@
+{
+  "lessons": [
+    {
+      "type": "lesson",
+      "date": "2022-10-31",
+      "periodId": "1",
+      "startTime": "08:00",
+      "endTime": "09:45",
+      "subjectId": "-22",
+      "classIds": [
+        "-105"
+      ],
+      "groupNames": [],
+      "teacherIds": [
+        "-48"
+      ],
+      "classroomIds": [
+        "-28"
+      ],
+      "color": "#60FFC0",
+      "removed": false
+    },
+    {
+      "type": "lesson",
+      "date": "2022-10-31",
+      "periodId": "3",
+      "startTime": "10:00",
+      "endTime": "10:45",
+      "subjectId": "-2",
+      "classIds": [
+        "-105"
+      ],
+      "groupNames": [],
+      "teacherIds": [
+        "-161"
+      ],
+      "classroomIds": [
+        "-16"
+      ],
+      "color": null,
+      "removed": true
+    },
+    {
+      "type": "lesson",
+      "date": "2022-10-31",
+      "periodId": "4",
+      "startTime": "11:00",
+      "endTime": "11:45",
+      "subjectId": "-14",
+      "classIds": [
+        "-105"
+      ],
+      "groupNames": [],
+      "teacherIds": [
+        "-37"
+      ],
+      "classroomIds": [
+        "-12"
+      ],
+      "color": "#66FFFF",
+      "removed": false
+    },
+    {
+      "type": "lesson",
+      "date": "2022-10-31",
+      "periodId": "5",
+      "startTime": "12:00",
+      "endTime": "13:45",
+      "subjectId": "-43",
+      "classIds": [
+        "-105"
+      ],
+      "groupNames": [
+        "wychowanie fizyczne_ch"
+      ],
+      "teacherIds": [
+        "-74"
+      ],
+      "classroomIds": [
+        "-39"
+      ],
+      "color": "#003399",
+      "removed": false
+    },
+    {
+      "type": "lesson",
+      "date": "2022-10-31",
+      "periodId": "5",
+      "startTime": "12:00",
+      "endTime": "13:45",
+      "subjectId": "-43",
+      "classIds": [
+        "-107",
+        "-105"
+      ],
+      "groupNames": [
+        "wychowanie fizyczne_dz"
+      ],
+      "teacherIds": [
+        "-70"
+      ],
+      "classroomIds": [
+        "-64"
+      ],
+      "color": "#FF8080",
+      "removed": false
+    }
+  ]
+}

test/expected/class-current-timetable-event.json

@@ -0,0 +1,3 @@
+{
+  "lessons": []
+}