mirror of
https://gitlab.dit.htwk-leipzig.de/htwk-software/htwkalender-pwa.git
synced 2025-07-16 09:38:51 +02:00
95 lines
2.7 KiB
Go
95 lines
2.7 KiB
Go
//Calendar implementation for the HTWK Leipzig timetable. Evaluation and display of the individual dates in iCal format.
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//Copyright (C) 2024 HTWKalender support@htwkalender.de
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//This program is free software: you can redistribute it and/or modify
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//it under the terms of the GNU Affero General Public License as published by
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//the Free Software Foundation, either version 3 of the License, or
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//(at your option) any later version.
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//This program is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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//GNU Affero General Public License for more details.
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//You should have received a copy of the GNU Affero General Public License
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//along with this program. If not, see <https://www.gnu.org/licenses/>.
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package ical
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import (
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"bytes"
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"encoding/json"
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"htwkalender/model"
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"htwkalender/service/db"
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"time"
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"github.com/jordic/goics"
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"github.com/pocketbase/pocketbase"
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"github.com/pocketbase/pocketbase/apis"
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)
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const expirationTime = 5 * time.Minute
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func Feed(app *pocketbase.PocketBase, token string) (string, error) {
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var result string
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feed, err := db.FindFeedByToken(token, app)
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if feed == nil && err != nil {
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return "", err
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}
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modules := make(map[string]model.FeedCollection)
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var modulesArray []model.FeedCollection
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_ = json.Unmarshal([]byte(feed.Modules), &modulesArray)
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for _, module := range modulesArray {
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modules[module.UUID] = module
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}
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newFeed, err := createFeedForToken(app, modules)
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if err != nil {
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return "", err
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}
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result = newFeed.Content
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return result, nil
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}
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func createFeedForToken(app *pocketbase.PocketBase, modules map[string]model.FeedCollection) (*model.FeedModel, error) {
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res, err := db.GetPlanForModules(app, modules)
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if err != nil {
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return nil, apis.NewNotFoundError("Could not fetch events", err)
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}
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b := bytes.Buffer{}
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goics.NewICalEncode(&b).Encode(IcalModel{Events: res, Mapping: modules})
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feed := &model.FeedModel{Content: b.String(), ExpiresAt: time.Now().Add(expirationTime)}
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return feed, nil
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}
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func CreateIndividualFeed(requestBody []byte, app *pocketbase.PocketBase) (string, error) {
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var modules []model.FeedCollection
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err := json.Unmarshal(requestBody, &modules)
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if err != nil {
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return "", apis.NewNotFoundError("Could not parse request body", err)
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}
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var feed model.Feed
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jsonModules, _ := json.Marshal(modules)
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feed.Modules = string(jsonModules)
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collection, dbError := db.FindCollection(app, "feeds")
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if dbError != nil {
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return "", apis.NewNotFoundError("Collection could not be found", dbError)
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}
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record, err := db.SaveFeed(feed, collection, app)
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if err != nil {
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return "", apis.NewNotFoundError("Could not save feed", err)
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}
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return record.Id, nil
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}
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