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fix:#34 added transaction for main fetch datasource

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This commit is contained in:
Elmar Kresse
2024-06-03 23:54:22 +02:00
parent 7faddde98b
commit e3b3e891b5
4 changed files with 85 additions and 33 deletions
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49
backend/service/db/dbEvents.go
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@@ -18,6 +18,7 @@ package db
import (
"fmt"
"github.com/pocketbase/pocketbase/daos"
"github.com/pocketbase/pocketbase/tools/types"
"htwkalender/model"
"log/slog"
@@ -34,7 +35,7 @@ func SaveSeminarGroupEvents(seminarGroup model.SeminarGroup, app *pocketbase.Poc
// check if event is already in database and add to toBeSavedEvents if not
for _, event := range seminarGroup.Events {
event = event.SetCourse(seminarGroup.Course)
existsInDatabase, err := findEventByDayWeekStartEndNameCourse(event, seminarGroup.Course, app)
existsInDatabase, err := findEventByDayWeekStartEndNameCourse(event, seminarGroup.Course, app.Dao())
alreadyAddedToSave := toBeSavedEvents.Contains(event)
if err != nil {
@@ -61,13 +62,44 @@ func SaveSeminarGroupEvents(seminarGroup model.SeminarGroup, app *pocketbase.Poc
return savedRecords, nil
}
func SaveEventsTxDao(events []model.Event, txDao *daos.Dao) ([]model.Event, error) {
var toBeSavedEvents model.Events
var savedRecords model.Events
// check if event is already in database and add to toBeSavedEvents if not
for _, event := range events {
existsInDatabase, err := findEventByDayWeekStartEndNameCourse(event, event.Course, txDao)
alreadyAddedToSave := toBeSavedEvents.Contains(event)
if err != nil {
return nil, err
}
if !existsInDatabase && !alreadyAddedToSave {
toBeSavedEvents = append(toBeSavedEvents, event)
}
}
// create record for each event that's not already in the database
for _, event := range toBeSavedEvents {
event.MarkAsNew()
// auto mapping for event fields to record fields
err := txDao.Save(&event)
if err != nil {
return nil, err
} else {
savedRecords = append(savedRecords, event)
}
}
return savedRecords, nil
}
func SaveEvents(events []model.Event, app *pocketbase.PocketBase) ([]model.Event, error) {
var toBeSavedEvents model.Events
var savedRecords model.Events
// check if event is already in database and add to toBeSavedEvents if not
for _, event := range events {
existsInDatabase, err := findEventByDayWeekStartEndNameCourse(event, event.Course, app)
existsInDatabase, err := findEventByDayWeekStartEndNameCourse(event, event.Course, app.Dao())
alreadyAddedToSave := toBeSavedEvents.Contains(event)
if err != nil {
@@ -94,11 +126,11 @@ func SaveEvents(events []model.Event, app *pocketbase.PocketBase) ([]model.Event
}
// check if event is already in database and return true if it is and false if it's not
func findEventByDayWeekStartEndNameCourse(event model.Event, course string, app *pocketbase.PocketBase) (bool, error) {
func findEventByDayWeekStartEndNameCourse(event model.Event, course string, dao *daos.Dao) (bool, error) {
var dbEvent model.Event
err := app.Dao().DB().Select("*").From("events").
err := dao.DB().Select("*").From("events").
Where(dbx.NewExp(
"Day = {:day} AND "+
"Week = {:week} AND "+
@@ -239,15 +271,6 @@ func DeleteAllEventsByCourse(app *pocketbase.PocketBase, course string, semester
return nil
}
func DeleteAllEventsBySemesterWithoutCourse(app *pocketbase.PocketBase, course string, semester string) error {
_, err := app.Dao().DB().Delete("events", dbx.NewExp("course != {:course} AND semester = {:semester}", dbx.Params{"course": course, "semester": semester})).Execute()
if err != nil {
return err
}
return nil
}
func DeleteAllEvents(app *pocketbase.PocketBase) error {
_, err := app.Dao().DB().Delete("events", dbx.NewExp("1=1")).Execute()