fix(get-attendies): get all orders from pretix

Pretix paginates if there are over 50 orders in one request, request the following orders

src/app/controller/webhook_controller.go

@@ -14,12 +14,18 @@ func PostPretixRoleQuestion(c *fiber.Ctx) error {
 	if err := c.BodyParser(data); err != nil {
 		return c.Status(fiber.ErrBadRequest.Code).SendString(err.Error())
 	}
-	//TODO: Update attendies from pretix
 	pretixOrders, err := util.GetPretixOrders(&data.Organizer, &data.Event)
-	_ = pretixOrders
 	if err != nil {
 		return c.Status(500).SendString("Internal Server Error")
 	}
+	for link := pretixOrders.Next; link != nil; {
+		next_page, err := util.GetPretixOrdersByLink(link)
+		if err != nil {
+			return c.Status(500).SendString("Internal Server Error")
+		}
+		pretixOrders.Results = append(pretixOrders.Results, next_page.Results...)
+		link = next_page.Next
+	}
 	event, err := service.Get_db_event_by_event(data.Event)
 	if err != nil {
 		return c.Status(fiber.StatusNotFound).SendString("Event not found")
@@ -54,9 +60,7 @@ func PostPretixRoleProduct(c *fiber.Ctx) error {
 	if err != nil {
 		return c.Status(fiber.StatusNotFound).SendString("Event not found")
 	}
-	fmt.Printf("%+v\n", pretixOrders)
 	attendies, err := util.GetAttendiesFromPretixJsonWithRoleProduct(pretixOrders, &event)
-	fmt.Printf("%+v\n", attendies)
 	if err != nil {
 		fmt.Println(err)
 	}

src/app/service/role.go

@@ -8,17 +8,17 @@ import (
 	"ulmer-furs.de/pretix-proxy/v2/entities"
 )
 
-func GetRoleById(id int) (entities.Role, error) {
+func GetRoleById(id int) (*entities.Role, error) {
-	var role entities.Role
+	var role *entities.Role
-	result := config.Database.Find(&role, id)
+	result := config.Database.Find(role, id)
 	if result.RowsAffected == 0 {
 		return role, errors.New("role not found")
 	}
 	return role, nil
 }
 
-func GetRoleByName(name string) (entities.Role, error) {
+func GetRoleByName(name string) (*entities.Role, error) {
-	var role entities.Role
+	var role *entities.Role
 	result := config.Database.First(&role, "name = ?", name)
 	if result.RowsAffected == 0 {
 		return role, errors.New("role not found")

src/app/util/attendiesList.go

@@ -11,10 +11,10 @@ func CreateSuiterWaitingList(attendiesList *entities.AttendiesList, suiterPerSpo
 	var suiterWatinglist entities.AttendiesList
 	var i int
 	for i < len(*attendiesList) {
-		if (*attendiesList)[i].Role == *suiter || (*attendiesList)[i].Role == *specialAnimal {
+		if *(*attendiesList)[i].Role == *suiter || *(*attendiesList)[i].Role == *specialAnimal {
 			suiterCounter++
 		}
-		if suiterCounter > suiterCount && ((*attendiesList)[i].Role == *suiter || (*attendiesList)[i].Role == *specialAnimal) {
+		if suiterCounter > suiterCount && (*(*attendiesList)[i].Role == *suiter || *(*attendiesList)[i].Role == *specialAnimal) {
 			suiterWatinglist = append(suiterWatinglist, (*attendiesList)[i])
 			*attendiesList = append((*attendiesList)[:i], (*attendiesList)[i+1:]...)
 		} else {
@@ -30,10 +30,10 @@ func MarkWatingListAttendies(attendiesList *entities.AttendiesList, suiterPerSpo
 	var suiterCounter int
 	var i int
 	for i < len(*attendiesList) {
-		if (*attendiesList)[i].Role == *suiter || (*attendiesList)[i].Role == *specialAnimal {
+		if *(*attendiesList)[i].Role == *suiter || *(*attendiesList)[i].Role == *specialAnimal {
 			suiterCounter++
 		}
-		if suiterCounter > suiterCount && ((*attendiesList)[i].Role == *suiter || (*attendiesList)[i].Role == *specialAnimal) {
+		if suiterCounter > suiterCount && (*(*attendiesList)[i].Role == *suiter || *(*attendiesList)[i].Role == *specialAnimal) {
 			(*attendiesList)[i].OnWaitingList = true
 		}
 		i++

src/app/util/pretix.go

@@ -37,6 +37,28 @@ func GetPretixOrders(organizer *string, event *string) (*entities.Pretix_Event,
 	return &unmarshaled_resp, nil
 }
 
+func GetPretixOrdersByLink(link *string) (*entities.Pretix_Event, error) {
+	req, err := http.NewRequest("GET", fmt.Sprintf(*link), nil)
+	if err != nil {
+		return nil, errors.New("request error")
+	}
+	req.Header.Add("Authorization", fmt.Sprintf("Token %s", config.Env.ApiKeyPretix))
+	resp, err := config.Client.Do(req)
+	if err != nil {
+		return nil, errors.New("request error")
+	}
+	respbody, err := io.ReadAll(resp.Body)
+	defer resp.Body.Close()
+	if err != nil {
+		return nil, errors.New("request error")
+	}
+	var unmarshaled_resp entities.Pretix_Event
+	if err := json.Unmarshal(respbody, &unmarshaled_resp); err != nil {
+		return nil, errors.New("request error")
+	}
+	return &unmarshaled_resp, nil
+}
+
 func GetAttendieListFromPretixJson(pretixEvent entities.Pretix_Event, event entities.Db_Event) entities.Attendies {
 	var attendies entities.Attendies
 	var name string
@@ -90,6 +112,9 @@ func GetAttendiesFromPretixJsonWithRoleQuestion(pretixEvent *entities.Pretix_Eve
 			return attendies, errors.New("no participation found")
 		}
 		indexParticipation := slices.IndexFunc(order.Positions, func(p entities.Pretix_Position) bool { return p.Item == *event.ItemIdParticipation })
+		if indexParticipation == -1 {
+			continue
+		}
 		if event.ItemIdRestaurant == nil {
 			attendie.AttendsRestaurant = false
 		} else {
@@ -100,7 +125,6 @@ func GetAttendiesFromPretixJsonWithRoleQuestion(pretixEvent *entities.Pretix_Eve
 				attendie.AttendsRestaurant = false
 			}
 		}
-
 		indexName := slices.IndexFunc(order.Positions[indexParticipation].Answers, func(a entities.Pretix_Answer) bool { return a.QuestionsIdentififer == *event.QuestionIdName })
 		attendie.Nickname = order.Positions[indexParticipation].Answers[indexName].Answer
 
@@ -132,7 +156,7 @@ func GetAttendiesFromPretixJsonWithRoleQuestion(pretixEvent *entities.Pretix_Eve
 	}
 	_, spotter, suiter, _, specialAnimal := GetRoles()
 	sort.Sort(entities.ByRegistrationTime(attendies))
-	MarkWatingListAttendies(&attendies, (*event).SuiterPerSpotter, &suiter, &spotter, &specialAnimal)
+	MarkWatingListAttendies(&attendies, (*event).SuiterPerSpotter, suiter, spotter, specialAnimal)
 	return attendies, nil
 }
 
@@ -188,6 +212,6 @@ func GetAttendiesFromPretixJsonWithRoleProduct(pretixEvent *entities.Pretix_Even
 	}
 	_, spotter, suiter, _, specialAnimal := GetRoles()
 	sort.Sort(entities.ByRegistrationTime(attendies))
-	MarkWatingListAttendies(&attendies, (*event).SuiterPerSpotter, &suiter, &spotter, &specialAnimal)
+	MarkWatingListAttendies(&attendies, (*event).SuiterPerSpotter, suiter, spotter, specialAnimal)
 	return attendies, nil
 }

src/app/util/roleHelper.go

@@ -5,7 +5,7 @@ import (
 	"ulmer-furs.de/pretix-proxy/v2/entities"
 )
 
-func GetRoles() (guest, spotter, suiter, photograph, specialAnimal entities.Role) {
+func GetRoles() (guest, spotter, suiter, photograph, specialAnimal *entities.Role) {
 	guest, _ = service.GetRoleByName("Guest")
 	spotter, _ = service.GetRoleByName("Spotter")
 	suiter, _ = service.GetRoleByName("Suiter")

src/entities/attendiesList.go

@@ -5,7 +5,7 @@ type AttendiesList []Db_Attendies
 func (a AttendiesList) CountByRole(role Role) int {
 	var count int
 	for _, attendie := range a {
-		if attendie.Role == role {
+		if *attendie.Role == role {
 			count++
 		}
 	}

src/entities/db_attendies.go

@@ -26,7 +26,7 @@ type Db_Attendies struct {
 	EventID           int    `gorm:"not null"`
 	Event             Db_Event
 	RoleID            int `gorm:"not null"`
-	Role              Role
+	Role              *Role
 	AttendsRestaurant bool      `gorm:"column:attends_restaurant;not null"`
 	Privacy           bool      `gorm:"column:privacy;not null"`
 	RegistrationTime  time.Time `gorm:"column:registration_time;not null;default:CURRENT_TIMESTAMP"`

src/entities/pretix.go

@@ -5,6 +5,7 @@ import "time"
 type Pretix_Event struct {
 	Count   int             `json:"count"`
 	Results []Pretix_Result `json:"results"`
+	Next    *string         `json:"next"`
 }
 
 type Pretix_Result struct {