/
rooms.go
354 lines (278 loc) · 9.49 KB
/
rooms.go
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package db
import (
"context"
"fmt"
"github.com/obcode/plexams.go/graph/model"
"github.com/rs/zerolog/log"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
)
func (db *DB) RoomFromName(ctx context.Context, roomName string) (*model.Room, error) {
collection := db.Client.Database("plexams").Collection(collectionRooms)
res := collection.FindOne(ctx, bson.M{"name": roomName})
if res.Err() != nil {
if res.Err() == mongo.ErrNoDocuments {
return nil, fmt.Errorf("cannot find room %s", roomName)
}
log.Error().Err(res.Err()).Str("room", roomName).Str("collection", collectionRooms).
Msg("cannot find room")
return nil, res.Err()
}
var room model.Room
err := res.Decode(&room)
if err != nil {
log.Error().Err(res.Err()).Str("room", roomName).Str("collection", collectionRooms).
Msg("cannot decode room")
return nil, err
}
return &room, nil
}
func (db *DB) Rooms(ctx context.Context) ([]*model.Room, error) {
collection := db.Client.Database("plexams").Collection(collectionRooms)
findOptions := options.Find()
findOptions.SetSort(bson.D{{Key: "name", Value: 1}})
cur, err := collection.Find(ctx, bson.M{}, findOptions)
if err != nil {
log.Error().Err(err).Str("collection", collectionRooms).Msg("MongoDB Find")
return nil, err
}
defer cur.Close(ctx)
rooms := make([]*model.Room, 0)
err = cur.All(ctx, &rooms)
if err != nil {
log.Error().Err(err).Str("collection", collectionRooms).Msg("Cannot decode to rooms")
return nil, err
}
return rooms, nil
}
func (db *DB) SaveRooms(ctx context.Context, slotsWithRooms []*model.SlotWithRooms) error {
collection := db.Client.Database(db.databaseName).Collection(collectionRooms)
err := collection.Drop(ctx)
if err != nil {
log.Error().Err(err).
Str("collectionName", collectionRooms).
Msg("cannot drop collection")
return err
}
slotsWithRoomsToInsert := make([]interface{}, 0, len(slotsWithRooms))
for _, slotWithRooms := range slotsWithRooms {
slotsWithRoomsToInsert = append(slotsWithRoomsToInsert, slotWithRooms)
}
_, err = collection.InsertMany(ctx, slotsWithRoomsToInsert)
if err != nil {
log.Error().Err(err).
Str("collectionName", collectionNameNTAs).
Msg("cannot insert rooms")
return err
}
return nil
}
func (db *DB) RoomsForSlot(ctx context.Context, day int, time int) (*model.SlotWithRooms, error) {
collection := db.getCollectionSemester(collectionRooms)
filter := bson.M{
"$and": []bson.M{
{"daynumber": day},
{"slotnumber": time},
},
}
res := collection.FindOne(ctx, filter)
var slotWithRooms model.SlotWithRooms
err := res.Decode(&slotWithRooms)
if err != nil {
log.Error().Err(err).Str("collection", collectionRooms).
Int("daynumber", day).Int("slotnumber", time).
Msg("Cannot decode to slot with rooms")
return nil, err
}
return &slotWithRooms, nil
}
func (db *DB) RoomPlannedInSlot(ctx context.Context, roomName string, day int, time int) ([]*model.RoomForExam, error) {
collection := db.getCollectionSemester(collectionRooms)
filter := bson.M{
"$and": []bson.M{
{"room.roomName": roomName},
{"daynumber": day},
{"slotnumber": time},
},
}
cur, err := collection.Find(ctx, filter)
if err != nil {
log.Error().Err(err).Msg("error while trying to find rooms planned in slot")
return nil, err
}
roomsForExam := make([]*model.RoomForExam, 0)
err = cur.All(ctx, &roomsForExam)
if err != nil {
log.Error().Err(err).Str("collection", collectionRooms).Msg("Cannot decode to rooms for exams")
return nil, err
}
return roomsForExam, nil
}
func (db *DB) AddRoomToExam(ctx context.Context, room *model.RoomForExam) error {
collection := db.getCollectionSemester(collectionRoomsForExams)
_, err := collection.InsertOne(ctx, room)
if err != nil {
log.Error().Err(err).Str("collection", collectionRoomsForExams).Msg("cannot insert room into collection")
return err
}
return nil
}
func (db *DB) RoomsForAncode(ctx context.Context, ancode int) ([]*model.RoomForExam, error) {
collection := db.getCollectionSemester(collectionRoomsForExams)
cur, err := collection.Find(ctx, bson.D{{Key: "ancode", Value: ancode}})
if err != nil {
log.Error().Err(err).Str("collection", collectionRooms).Int("ancode", ancode).
Msg("error while trying to find rooms for ancode")
return nil, err
}
roomsForExam := make([]*model.RoomForExam, 0)
err = cur.All(ctx, &roomsForExam)
if err != nil {
log.Error().Err(err).Str("collection", collectionRooms).Int("ancode", ancode).
Msg("Cannot decode to rooms for exams")
return nil, err
}
return roomsForExam, nil
}
func (db *DB) RoomsPlannedInSlot(ctx context.Context, day, time int) ([]*model.RoomForExam, error) {
exams, err := db.ExamsInSlot(ctx, day, time)
if err != nil {
log.Error().Err(err).Int("day", day).Int("time", time).Msg("error while getting exams in slot")
return nil, err
}
rooms := make([]*model.RoomForExam, 0)
for _, exam := range exams {
roomsForAncode, err := db.RoomsForAncode(ctx, exam.Exam.Ancode)
if err != nil {
log.Error().Err(err).Int("ancode", exam.Exam.Ancode).Msg("error while getting rooms for ancode")
return nil, err
}
rooms = append(rooms, roomsForAncode...)
}
return rooms, nil
}
func (db *DB) ChangeRoom(ctx context.Context, ancode int, oldRoom, newRoom *model.Room) (bool, error) {
// TODO: Implement db.ChangeRoom
return false, nil
}
func (db *DB) PlannedRoomNames(ctx context.Context) ([]string, error) {
collection := db.getCollectionSemester(collectionRoomsPlanned)
rawNames, err := collection.Distinct(ctx, "roomname", bson.D{})
if err != nil {
log.Error().Err(err).Msg("cannot find distinct room names")
}
names := make([]string, 0, len(rawNames))
for _, rawName := range rawNames {
name, ok := rawName.(string)
if !ok {
log.Debug().Interface("raw name", rawName).Msg("cannot convert to string")
}
names = append(names, name)
}
return names, nil
}
func (db *DB) PlannedRoomNamesInSlot(ctx context.Context, day, slot int) ([]string, error) {
collection := db.getCollectionSemester(collectionRoomsPlanned)
filter := bson.M{"day": day, "slot": slot}
rawNames, err := collection.Distinct(ctx, "roomname", filter)
if err != nil {
log.Error().Err(err).Int("day", day).Int("slot", slot).Msg("cannot find roomnames for slot")
return nil, err
}
names := make([]string, 0, len(rawNames))
for _, rawName := range rawNames {
name, ok := rawName.(string)
if !ok {
log.Debug().Interface("raw name", rawName).Msg("cannot convert to string")
}
names = append(names, name)
}
return names, nil
}
func (db *DB) PlannedRooms(ctx context.Context) ([]*model.PlannedRoom, error) {
collection := db.getCollectionSemester(collectionRoomsPlanned)
cur, err := collection.Find(ctx, bson.M{})
if err != nil {
log.Error().Err(err).Msg("cannot find planned rooms")
return nil, err
}
plannedRooms := make([]*model.PlannedRoom, 0)
err = cur.All(ctx, &plannedRooms)
if err != nil {
log.Error().Err(err).Msg("cannot decode planned rooms")
return nil, err
}
return plannedRooms, nil
}
func (db *DB) PlannedRoomsInSlot(ctx context.Context, day, slot int) ([]*model.PlannedRoom, error) {
collection := db.getCollectionSemester(collectionRoomsPlanned)
filter := bson.M{"day": day, "slot": slot}
cur, err := collection.Find(ctx, filter)
if err != nil {
log.Error().Err(err).Int("day", day).Int("slot", slot).Msg("cannot find rooms for slot")
return nil, err
}
plannedRooms := make([]*model.PlannedRoom, 0)
err = cur.All(ctx, &plannedRooms)
if err != nil {
log.Error().Err(err).Int("day", day).Int("slot", slot).Msg("cannot decode rooms for slot")
return nil, err
}
return plannedRooms, nil
}
func (db *DB) PlannedRoomsForAncode(ctx context.Context, ancode int) ([]*model.PlannedRoom, error) {
collection := db.getCollectionSemester(collectionRoomsPlanned)
filter := bson.M{"ancode": ancode}
cur, err := collection.Find(ctx, filter)
if err != nil {
log.Error().Err(err).Int("ancode", ancode).Msg("cannot find rooms for ancode")
return nil, err
}
plannedRooms := make([]*model.PlannedRoom, 0)
err = cur.All(ctx, &plannedRooms)
if err != nil {
log.Error().Err(err).Int("ancode", ancode).Msg("cannot decode rooms for ancode")
return nil, err
}
return plannedRooms, nil
}
func (db *DB) ReplaceRoomsForNTA(ctx context.Context, plannedRooms []*model.PlannedRoom) error {
collection := db.getCollectionSemester(collectionRoomsPlanned)
for _, room := range plannedRooms {
log.Debug().Int("day", room.Day).Int("slot", room.Slot).Int("ancode", room.Ancode).
Msg("replacing room")
filter := bson.M{
"$and": []bson.M{
{"ancode": room.Ancode},
{"ntamtknr": room.NtaMtknr},
},
}
opts := options.Replace().SetUpsert(true)
_, err := collection.ReplaceOne(ctx, filter, room, opts)
if err != nil {
log.Error().Err(err).Int("day", room.Day).Int("slot", room.Slot).Int("ancode", room.Ancode).
Msg("cannot replace room")
return err
}
}
return nil
}
func (db *DB) ReplaceNonNTARooms(ctx context.Context, plannedRooms []*model.PlannedRoom) error {
collection := db.getCollectionSemester(collectionRoomsPlanned)
_, err := collection.DeleteMany(ctx, bson.M{"handicaproomalone": false})
if err != nil {
log.Error().Err(err).Msg("cannot delete non NTA rooms")
return err
}
roomsInterface := make([]interface{}, 0, len(plannedRooms))
for _, room := range plannedRooms {
roomsInterface = append(roomsInterface, room)
}
_, err = collection.InsertMany(ctx, roomsInterface)
if err != nil {
log.Error().Err(err).Msg("cannot insert non NTA rooms")
return err
}
return nil
}