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package services |
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import ( |
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"context" |
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"fmt" |
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"math/rand" |
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"time" |
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"github.com/NdoleStudio/httpsms/pkg/events" |
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"github.com/NdoleStudio/httpsms/pkg/entities" |
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"github.com/NdoleStudio/httpsms/pkg/repositories" |
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"github.com/NdoleStudio/httpsms/pkg/telemetry" |
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"github.com/google/uuid" |
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"github.com/palantir/stacktrace" |
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) |
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// MessageThreadService is handles message requests |
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type MessageThreadService struct { |
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service |
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logger telemetry.Logger |
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tracer telemetry.Tracer |
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repository repositories.MessageThreadRepository |
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eventDispatcher *EventDispatcher |
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} |
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// NewMessageThreadService creates a new MessageThreadService |
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func NewMessageThreadService( |
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logger telemetry.Logger, |
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tracer telemetry.Tracer, |
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repository repositories.MessageThreadRepository, |
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eventDispatcher *EventDispatcher, |
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) (s *MessageThreadService) { |
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return &MessageThreadService{ |
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logger: logger.WithService(fmt.Sprintf("%T", s)), |
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tracer: tracer, |
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eventDispatcher: eventDispatcher, |
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repository: repository, |
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} |
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} |
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// MessageThreadUpdateParams are parameters for updating a thread |
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type MessageThreadUpdateParams struct { |
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Owner string |
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Status entities.MessageStatus |
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Contact string |
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Content string |
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UserID entities.UserID |
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MessageID uuid.UUID |
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Timestamp time.Time |
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} |
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// DeleteAllForUser deletes all entities.MessageThread for an entities.UserID. |
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func (service *MessageThreadService) DeleteAllForUser(ctx context.Context, userID entities.UserID) error { |
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ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger) |
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defer span.End() |
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if err := service.repository.DeleteAllForUser(ctx, userID); err != nil { |
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msg := fmt.Sprintf("could not delete [entities.MessageThread] for user with ID [%s]", userID) |
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return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)) |
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} |
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ctxLogger.Info(fmt.Sprintf("deleted all [entities.MessageThread] for user with ID [%s]", userID)) |
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return nil |
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} |
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// UpdateThread updates a thread between 2 parties when a timestamp changes |
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func (service *MessageThreadService) UpdateThread(ctx context.Context, params MessageThreadUpdateParams) error { |
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ctx, span := service.tracer.Start(ctx) |
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defer span.End() |
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ctxLogger := service.tracer.CtxLogger(service.logger, span) |
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thread, err := service.repository.LoadByOwnerContact(ctx, params.UserID, params.Owner, params.Contact) |
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if stacktrace.GetCode(err) == repositories.ErrCodeNotFound { |
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ctxLogger.Info(fmt.Sprintf("cannot find thread with owner [%s], and contact [%s]. creating new thread", params.Owner, params.Contact)) |
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return service.createThread(ctx, params) |
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} |
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if err != nil { |
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msg := fmt.Sprintf("cannot find thread with owner [%s], and contact [%s]. creating new thread", params.Owner, params.Contact) |
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return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)) |
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} |
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if thread.OrderTimestamp.Unix() > params.Timestamp.Unix() && thread.Status != entities.MessageStatusSending && thread.HasLastMessage(params.MessageID) { |
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ctxLogger.Warn(stacktrace.NewError(fmt.Sprintf("thread [%s] has timestamp [%s] and status [%s] which is greater than timestamp [%s] for message [%s] and status [%s]", thread.ID, thread.OrderTimestamp, thread.Status, params.Timestamp, params.MessageID, params.Status))) |
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return nil |
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} |
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if thread.Status == entities.MessageStatusDelivered && thread.LastMessageID != nil && thread.HasLastMessage(params.MessageID) { |
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ctxLogger.Warn(stacktrace.NewError(fmt.Sprintf("thread [%s] already has status [%s] not updating with status [%s] for message [%s]", thread.ID, thread.Status, params.Status, params.MessageID))) |
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return nil |
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} |
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if err = service.repository.Update(ctx, thread.Update(params.Timestamp, params.MessageID, params.Content, params.Status)); err != nil { |
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msg := fmt.Sprintf("cannot update message thread with id [%s] after adding message [%s]", thread.ID, params.MessageID) |
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return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)) |
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} |
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ctxLogger.Info(fmt.Sprintf("thread with id [%s] updated with last message [%s] and status [%s]", thread.ID, thread.LastMessageID, thread.Status)) |
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return nil |
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} |
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// MessageThreadStatusParams are parameters for updating a thread status |
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type MessageThreadStatusParams struct { |
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IsArchived bool |
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UserID entities.UserID |
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MessageThreadID uuid.UUID |
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} |
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// UpdateStatus updates a thread between an owner and a contact |
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func (service *MessageThreadService) UpdateStatus(ctx context.Context, params MessageThreadStatusParams) (*entities.MessageThread, error) { |
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ctx, span := service.tracer.Start(ctx) |
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defer span.End() |
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ctxLogger := service.tracer.CtxLogger(service.logger, span) |
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thread, err := service.repository.Load(ctx, params.UserID, params.MessageThreadID) |
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if err != nil { |
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msg := fmt.Sprintf("cannot find thread with id [%s]", params.MessageThreadID) |
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return nil, service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)) |
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} |
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if err = service.repository.Update(ctx, thread.UpdateArchive(params.IsArchived)); err != nil { |
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msg := fmt.Sprintf("cannot update message thread with id [%s] with archive status [%t]", thread.ID, params.IsArchived) |
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return nil, service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)) |
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} |
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ctxLogger.Info(fmt.Sprintf("thread with id [%s] updated with archive status [%t]", thread.ID, thread.IsArchived)) |
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return thread, nil |
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} |
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// UpdateAfterDeletedMessage updates a thread after the last message has been deleted |
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func (service *MessageThreadService) UpdateAfterDeletedMessage(ctx context.Context, payload *events.MessageAPIDeletedPayload) error { |
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ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger) |
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defer span.End() |
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thread, err := service.repository.LoadByOwnerContact(ctx, payload.UserID, payload.Owner, payload.Contact) |
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if err != nil { |
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msg := fmt.Sprintf("cannot find thread for user [%s] with owner [%s], and contact [%s]", payload.UserID, payload.Owner, payload.Contact) |
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return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)) |
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} |
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if payload.PreviousMessageID == nil { |
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if err = service.repository.Delete(ctx, thread.UserID, thread.ID); err != nil { |
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msg := fmt.Sprintf("cannot delete thread with ID [%s] for user [%s] and owner [%s]", thread.ID, thread.UserID, thread.Owner) |
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ctxLogger.Error(stacktrace.Propagate(err, msg)) |
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return nil |
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} |
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msg := fmt.Sprintf("previous message ID is nil for thread with ID [%s] and user [%s]", thread.ID, thread.UserID) |
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ctxLogger.Info(msg) |
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return nil |
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} |
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if thread.LastMessageID != nil && *thread.LastMessageID != payload.MessageID { |
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msg := fmt.Sprintf("last message ID [%s] does not match message ID [%s] for thread with ID [%s]", *thread.LastMessageID, payload.MessageID, thread.ID) |
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ctxLogger.Info(msg) |
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return nil |
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} |
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thread.LastMessageContent = payload.PreviousMessageContent |
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thread.LastMessageID = payload.PreviousMessageID |
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thread.Status = *payload.PreviousMessageStatus |
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thread.UpdatedAt = time.Now().UTC() |
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if err = service.repository.Update(ctx, thread); err != nil { |
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msg := fmt.Sprintf("cannot update thread with ID [%s] for user with ID [%s]", thread.ID, thread.UserID) |
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return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)) |
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} |
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ctxLogger.Info(fmt.Sprintf("last message has been removed from thread with ID [%s] and userID [%s]", thread.ID, thread.UserID)) |
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return nil |
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} |
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func (service *MessageThreadService) createThread(ctx context.Context, params MessageThreadUpdateParams) error { |
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ctx, span := service.tracer.Start(ctx) |
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defer span.End() |
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ctxLogger := service.tracer.CtxLogger(service.logger, span) |
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thread := &entities.MessageThread{ |
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ID: uuid.New(), |
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Owner: params.Owner, |
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Contact: params.Contact, |
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UserID: params.UserID, |
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IsArchived: false, |
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Color: service.getColor(), |
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LastMessageContent: ¶ms.Content, |
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Status: params.Status, |
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LastMessageID: ¶ms.MessageID, |
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CreatedAt: time.Now().UTC(), |
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UpdatedAt: time.Now().UTC(), |
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OrderTimestamp: params.Timestamp, |
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} |
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if err := service.repository.Store(ctx, thread); err != nil { |
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msg := fmt.Sprintf("cannot store thread with id [%s] for message with ID [%s]", thread.ID, params.MessageID) |
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return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)) |
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} |
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ctxLogger.Info(fmt.Sprintf( |
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"created thread [%s] for message ID [%s] with owner [%s] and contact [%s]", |
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thread.ID, |
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thread.LastMessageID, |
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thread.Owner, |
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thread.Contact, |
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)) |
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return nil |
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} |
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func (service *MessageThreadService) getColor() string { |
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colors := []string{ |
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"deep-purple", |
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"indigo", |
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"blue", |
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"red", |
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"pink", |
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"purple", |
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"light-blue", |
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"cyan", |
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"teal", |
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"green", |
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"light-green", |
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"lime", |
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"yellow", |
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"amber", |
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"orange", |
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"deep-orange", |
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"brown", |
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} |
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generator := rand.New(rand.NewSource(time.Now().UnixNano())) |
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return colors[generator.Intn(len(colors))] |
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} |
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// MessageThreadGetParams parameters fetching threads |
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type MessageThreadGetParams struct { |
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repositories.IndexParams |
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IsArchived bool |
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UserID entities.UserID |
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Owner string |
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} |
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// GetThreads fetches threads for an owner |
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func (service *MessageThreadService) GetThreads(ctx context.Context, params MessageThreadGetParams) (*[]entities.MessageThread, error) { |
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ctx, span := service.tracer.Start(ctx) |
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defer span.End() |
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ctxLogger := service.tracer.CtxLogger(service.logger, span) |
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threads, err := service.repository.Index(ctx, params.UserID, params.Owner, params.IsArchived, params.IndexParams) |
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if err != nil { |
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msg := fmt.Sprintf("could not fetch messages threads for params [%+#v]", params) |
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return nil, service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)) |
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} |
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ctxLogger.Info(fmt.Sprintf("fetched [%d] threads with params [%+#v]", len(*threads), params)) |
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return threads, nil |
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} |
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// GetThread fetches an entities.MessageThread message thread by the ID |
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func (service *MessageThreadService) GetThread(ctx context.Context, userID entities.UserID, messageThreadID uuid.UUID) (*entities.MessageThread, error) { |
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ctx, span := service.tracer.Start(ctx) |
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defer span.End() |
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thread, err := service.repository.Load(ctx, userID, messageThreadID) |
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if err != nil { |
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msg := fmt.Sprintf("could not fetch thread with ID [%s] for user [%s]", messageThreadID, userID) |
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return nil, service.tracer.WrapErrorSpan(span, stacktrace.PropagateWithCode(err, stacktrace.GetCode(err), msg)) |
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} |
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return thread, nil |
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} |
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// DeleteThread deletes an entities.MessageThread from the database |
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func (service *MessageThreadService) DeleteThread(ctx context.Context, source string, thread *entities.MessageThread) error { |
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ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger) |
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defer span.End() |
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if err := service.repository.Delete(ctx, thread.UserID, thread.ID); err != nil { |
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msg := fmt.Sprintf("could not delete message thread with ID [%s] for user with ID [%s]", thread.ID, thread.UserID) |
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return service.tracer.WrapErrorSpan(span, stacktrace.PropagateWithCode(err, stacktrace.GetCode(err), msg)) |
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} |
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event, err := service.createEvent(events.MessageThreadAPIDeleted, source, &events.MessageThreadAPIDeletedPayload{ |
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MessageThreadID: thread.ID, |
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UserID: thread.UserID, |
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Owner: thread.Owner, |
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Contact: thread.Contact, |
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IsArchived: thread.IsArchived, |
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Color: thread.Color, |
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Status: thread.Status, |
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Timestamp: time.Now().UTC(), |
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}) |
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if err != nil { |
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msg := fmt.Sprintf("cannot create [%T] for message thread dleted with ID [%s]", event, thread.ID) |
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return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)) |
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} |
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ctxLogger.Info(fmt.Sprintf("created event [%s] with id [%s] for message thread [%s]", event.Type(), event.ID(), thread.ID)) |
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if err = service.eventDispatcher.Dispatch(ctx, event); err != nil { |
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msg := fmt.Sprintf("cannot dispatch event [%s] with id [%s] for message thread [%s]", event.Type(), event.ID(), thread.ID) |
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return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)) |
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} |
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ctxLogger.Info(fmt.Sprintf("dispatched [%s] event with id [%s] for message thread [%s]", event.Type(), event.ID(), thread.ID)) |
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return nil |
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} |
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