feat:#5 added free rooms api endpoint

backend/service/room/roomService.go

@@ -4,6 +4,8 @@ import (
 	"github.com/pocketbase/pocketbase"
 	"htwkalender/model"
 	"htwkalender/service/db"
+	"htwkalender/service/functions"
+	"time"
 )
 
 func GetRooms(app *pocketbase.PocketBase) ([]string, error) {
@@ -41,3 +43,46 @@ func anonymizeRooms(events []model.Event) []model.AnonymizedEventDTO {
 	}
 	return anonymizedEvents
 }
+
+func GetFreeRooms(app *pocketbase.PocketBase, from time.Time, to time.Time) ([]string, error) {
+	rooms, err := db.GetRooms(app)
+	if err != nil {
+		return nil, err
+	}
+	var events model.Events
+	events, err = db.GetEventsInTimeRange(app, from, to)
+	if err != nil {
+		return nil, err
+	}
+	freeRooms := removeRoomsThatHaveEvents(rooms, events)
+	return freeRooms, nil
+}
+
+func removeRoomsThatHaveEvents(rooms []string, schedule []model.Event) []string {
+	var freeRooms []string
+	for _, room := range rooms {
+		if !isRoomInSchedule(room, schedule) {
+			freeRooms = append(freeRooms, room)
+		}
+	}
+	return freeRooms
+}
+
+func isRoomInSchedule(room string, schedule []model.Event) bool {
+	for _, event := range schedule {
+		if event.Course != "Sport" {
+			rooms := functions.SeperateRoomString(event.Rooms)
+			// check if room is in rooms
+			for _, r := range rooms {
+				if r == room {
+					return true
+				}
+			}
+		} else {
+			if event.Rooms == room {
+				return true
+			}
+		}
+	}
+	return false
+}

backend/service/room/roomService_test.go

@@ -1,11 +1,10 @@
 package room
 
 import (
+	"github.com/pocketbase/pocketbase/tools/types"
 	"htwkalender/model"
 	"reflect"
 	"testing"
-
-	"github.com/pocketbase/pocketbase/tools/types"
 )
 
 func Test_anonymizeRooms(t *testing.T) {
@@ -123,3 +122,170 @@ func Test_anonymizeRooms(t *testing.T) {
 		})
 	}
 }
+
+func Test_isRoomInSchedule(t *testing.T) {
+	type args struct {
+		room     string
+		schedule []model.Event
+	}
+	tests := []struct {
+		name string
+		args args
+		want bool
+	}{
+		{
+			name: "room is in schedule",
+			args: args{
+				room: "Room",
+				schedule: []model.Event{
+					{
+						UUID:      "testUUID",
+						Day:       "Montag",
+						Week:      "52",
+						Start:     types.DateTime{},
+						End:       types.DateTime{},
+						Name:      "Secret",
+						EventType: "V",
+						Prof:      "Prof. Dr. Secret",
+						Rooms:     "Room",
+						Notes:     "Secret",
+					},
+				},
+			},
+			want: true,
+		},
+		{
+			name: "room is not in schedule",
+			args: args{
+				room: "Z324",
+				schedule: []model.Event{
+					{
+						UUID:      "testUUID",
+						Day:       "Montag",
+						Week:      "52",
+						Start:     types.DateTime{},
+						End:       types.DateTime{},
+						Name:      "Secret",
+						EventType: "V",
+						Prof:      "Prof. Dr. Bond",
+						Rooms:     "LI007",
+						Notes:     "Keine Zeit für die Uni",
+					},
+				},
+			},
+			want: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := isRoomInSchedule(tt.args.room, tt.args.schedule); got != tt.want {
+				t.Errorf("isRoomInSchedule() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func Test_getFreeRooms(t *testing.T) {
+	type args struct {
+		rooms    []string
+		schedule []model.Event
+	}
+	tests := []struct {
+		name string
+		args args
+		want []string
+	}{
+		{
+			name: "remove room1 from list",
+			args: args{
+				rooms: []string{
+					"Room1",
+					"Room2",
+					"Room3",
+				},
+				schedule: []model.Event{
+					{
+						UUID:      "testUUID",
+						Day:       "Montag",
+						Week:      "52",
+						Start:     types.DateTime{},
+						End:       types.DateTime{},
+						Name:      "Secret",
+						EventType: "V",
+						Prof:      "Prof. Dr. Secret",
+						Rooms:     "Room1",
+						Notes:     "Secret",
+					},
+				},
+			},
+			want: []string{
+				"Room2",
+				"Room3",
+			},
+		},
+		{
+			name: "remove room2 from list",
+			args: args{
+				rooms: []string{
+					"Room1",
+					"Room2",
+					"Room3",
+				},
+				schedule: []model.Event{
+					{
+						UUID:      "testUUID",
+						Day:       "Montag",
+						Week:      "52",
+						Start:     types.DateTime{},
+						End:       types.DateTime{},
+						Name:      "Secret",
+						EventType: "V",
+						Prof:      "Prof. Dr. Secret",
+						Rooms:     "Room3",
+						Notes:     "Secret",
+					},
+				},
+			},
+			want: []string{
+				"Room1",
+				"Room2",
+			},
+		},
+		{
+			name: "remove no room from list",
+			args: args{
+				rooms: []string{
+					"Room1",
+					"Room2",
+					"Room3",
+				},
+				schedule: []model.Event{
+					{
+						UUID:      "testUUID",
+						Day:       "Montag",
+						Week:      "52",
+						Start:     types.DateTime{},
+						End:       types.DateTime{},
+						Name:      "Secret",
+						EventType: "V",
+						Prof:      "Prof. Dr. Secret",
+						Rooms:     "Room4",
+						Notes:     "Secret",
+					},
+				},
+			},
+			want: []string{
+				"Room1",
+				"Room2",
+				"Room3",
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := removeRoomsThatHaveEvents(tt.args.rooms, tt.args.schedule); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("removeRoomsThatHaveEvents() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}