Add agenda service and submit api

Signed-off-by: Asai Neko <sugar@sne.moe>

service/service_agenda/service.go

@@ -0,0 +1,11 @@
+package service_agenda
+
+type AgendaService interface {
+	Submit(*SubmitPayload) *SubmitResult
+}
+
+type AgendaServiceImpl struct{}
+
+func NewAgendaService() AgendaService {
+	return &AgendaServiceImpl{}
+}

service/service_agenda/submit.go

@@ -0,0 +1,131 @@
+package service_agenda
+
+import (
+	"context"
+	"nixcn-cms/data"
+	"nixcn-cms/internal/exception"
+	"nixcn-cms/service/shared"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+type SubmitData struct {
+	EventId     uuid.UUID `json:"event_id"`
+	Name        string    `json:"name"`
+	Description string    `json:"description"`
+}
+
+type SubmitPayload struct {
+	Context context.Context
+	UserId  uuid.UUID `json:"user_id"`
+	Data    *SubmitData
+}
+
+type SubmitResponse struct {
+	AgendaId uuid.UUID `json:"agenda_id"`
+}
+
+type SubmitResult struct {
+	Common shared.CommonResult
+	Data   *SubmitResponse
+}
+
+func (self *AgendaServiceImpl) Submit(payload *SubmitPayload) (result *SubmitResult) {
+	var err error
+
+	attendanceData, err := new(data.Attendance).
+		GetAttendance(payload.Context, payload.UserId, payload.Data.EventId)
+
+	if err != nil {
+		if err == gorm.ErrRecordNotFound {
+			exception := new(exception.Builder).
+				SetStatus(exception.StatusUser).
+				SetService(exception.ServiceAgenda).
+				SetEndpoint(exception.EndpointAgendaServiceSubmit).
+				SetType(exception.TypeCommon).
+				SetOriginal(exception.CommonErrorInvalidInput).
+				SetError(err).
+				Throw(payload.Context)
+
+			result = &SubmitResult{
+				Common: shared.CommonResult{
+					HttpCode:  403,
+					Exception: exception,
+				},
+				Data: nil,
+			}
+
+			return
+		}
+		exception := new(exception.Builder).
+			SetStatus(exception.StatusServer).
+			SetService(exception.ServiceAgenda).
+			SetEndpoint(exception.EndpointAgendaServiceSubmit).
+			SetType(exception.TypeCommon).
+			SetOriginal(exception.CommonErrorDatabase).
+			SetError(err).
+			Throw(payload.Context)
+
+		result = &SubmitResult{
+			Common: shared.CommonResult{
+				HttpCode:  500,
+				Exception: exception,
+			},
+			Data: nil,
+		}
+
+		return
+	}
+
+	agendaModel := new(data.Agenda).
+		SetAttendanceId(attendanceData.AttendanceId).
+		SetName(payload.Data.Name).
+		SetDescription(payload.Data.Description).
+		SetIsApproved(false)
+
+	err = agendaModel.Create(payload.Context)
+	if err != nil {
+		exception := new(exception.Builder).
+			SetStatus(exception.StatusServer).
+			SetService(exception.ServiceAgenda).
+			SetEndpoint(exception.EndpointAgendaServiceSubmit).
+			SetType(exception.TypeCommon).
+			SetOriginal(exception.CommonErrorDatabase).
+			SetError(err).
+			Throw(payload.Context)
+
+		result = &SubmitResult{
+			Common: shared.CommonResult{
+				HttpCode:  500,
+				Exception: exception,
+			},
+			Data: nil,
+		}
+
+		return
+	}
+
+	successException := new(exception.Builder).
+		SetStatus(exception.StatusSuccess).
+		SetService(exception.ServiceAgenda).
+		SetEndpoint(exception.EndpointAgendaServiceSubmit).
+		SetType(exception.TypeCommon).
+		SetOriginal(exception.CommonSuccess).
+		SetError(nil).
+		Throw(payload.Context)
+
+	resultData := &SubmitResponse{
+		AgendaId: agendaModel.AgendaId,
+	}
+
+	result = &SubmitResult{
+		Common: shared.CommonResult{
+			HttpCode:  200,
+			Exception: successException,
+		},
+		Data: resultData,
+	}
+
+	return
+}