dukcapil/internal/processor/letter_outgoing_processor.go
2025-09-21 20:13:12 +07:00

824 lines
28 KiB
Go

package processor
import (
"context"
"time"
"eslogad-be/internal/contract"
"eslogad-be/internal/entities"
"eslogad-be/internal/repository"
"github.com/google/uuid"
"gorm.io/gorm"
)
type LetterOutgoingProcessor interface {
CreateOutgoingLetter(ctx context.Context, letter *entities.LetterOutgoing, attachments []entities.LetterOutgoingAttachment, userID, departmentID uuid.UUID) error
GetOutgoingLetterByID(ctx context.Context, id uuid.UUID) (*entities.LetterOutgoing, error)
ListOutgoingLetters(ctx context.Context, filter repository.ListOutgoingLettersFilter, limit, offset int) ([]entities.LetterOutgoing, int64, error)
SearchOutgoingLetters(ctx context.Context, filters map[string]interface{}, page, limit int, sortBy, sortOrder string) ([]entities.LetterOutgoing, int64, error)
UpdateOutgoingLetter(ctx context.Context, letter *entities.LetterOutgoing, userID uuid.UUID) error
DeleteOutgoingLetter(ctx context.Context, id uuid.UUID, userID uuid.UUID) error
UpdateLetterStatus(ctx context.Context, letterID uuid.UUID, status entities.LetterOutgoingStatus, userID uuid.UUID, fromStatus, toStatus *string) error
ProcessApprovalSubmission(ctx context.Context, letterID uuid.UUID, approvalFlowID uuid.UUID, userID uuid.UUID) error
ProcessApproval(ctx context.Context, letterID uuid.UUID, approval *entities.LetterOutgoingApproval, userID uuid.UUID, allApproved bool) error
ProcessRejection(ctx context.Context, letterID uuid.UUID, approval *entities.LetterOutgoingApproval, userID uuid.UUID) error
AddRecipients(ctx context.Context, letterID uuid.UUID, recipients []entities.LetterOutgoingRecipient, userID uuid.UUID) error
UpdateRecipient(ctx context.Context, recipient *entities.LetterOutgoingRecipient) error
RemoveRecipient(ctx context.Context, letterID uuid.UUID, recipientID uuid.UUID, userID uuid.UUID) error
AddAttachments(ctx context.Context, letterID uuid.UUID, attachments []entities.LetterOutgoingAttachment, userID uuid.UUID) error
RemoveAttachment(ctx context.Context, letterID uuid.UUID, attachmentID uuid.UUID, userID uuid.UUID) error
CreateDiscussion(ctx context.Context, discussion *entities.LetterOutgoingDiscussion, attachments []entities.LetterOutgoingDiscussionAttachment, userID uuid.UUID) error
GetDiscussionByID(ctx context.Context, id uuid.UUID) (*entities.LetterOutgoingDiscussion, error)
UpdateDiscussion(ctx context.Context, discussion *entities.LetterOutgoingDiscussion) error
DeleteDiscussion(ctx context.Context, id uuid.UUID) error
GetApprovalsByLetter(ctx context.Context, letterID uuid.UUID) ([]entities.LetterOutgoingApproval, error)
GetApprovalFlow(ctx context.Context, flowID uuid.UUID) (*entities.ApprovalFlow, error)
// GetOutgoingLetterWithDetails fetches letter with all related data
GetOutgoingLetterWithDetails(ctx context.Context, letterID uuid.UUID) (*entities.LetterOutgoing, error)
GetUsersByIDs(ctx context.Context, userIDs []uuid.UUID) ([]entities.User, error)
BulkArchiveOutgoingLetters(ctx context.Context, letterIDs []uuid.UUID) (int64, error)
// Batch loading methods for efficient querying
GetBatchAttachments(ctx context.Context, letterIDs []uuid.UUID) (map[uuid.UUID][]entities.LetterOutgoingAttachment, error)
GetBatchRecipients(ctx context.Context, letterIDs []uuid.UUID) (map[uuid.UUID][]entities.LetterOutgoingRecipient, error)
GetBatchPriorities(ctx context.Context, priorityIDs []uuid.UUID) (map[uuid.UUID]*entities.Priority, error)
GetBatchInstitutions(ctx context.Context, institutionIDs []uuid.UUID) (map[uuid.UUID]*entities.Institution, error)
}
type LetterOutgoingProcessorImpl struct {
db *gorm.DB
letterRepo *repository.LetterOutgoingRepository
attachmentRepo *repository.LetterOutgoingAttachmentRepository
recipientRepo *repository.LetterOutgoingRecipientRepository
discussionRepo *repository.LetterOutgoingDiscussionRepository
discussionAttachmentRepo *repository.LetterOutgoingDiscussionAttachmentRepository
activityLogRepo *repository.LetterOutgoingActivityLogRepository
approvalFlowRepo *repository.ApprovalFlowRepository
approvalRepo *repository.LetterOutgoingApprovalRepository
numberGenerator *LetterNumberGeneratorImpl
txManager *repository.TxManager
priorityRepo *repository.PriorityRepository
institutionRepo *repository.InstitutionRepository
}
func NewLetterOutgoingProcessor(
db *gorm.DB,
letterRepo *repository.LetterOutgoingRepository,
attachmentRepo *repository.LetterOutgoingAttachmentRepository,
recipientRepo *repository.LetterOutgoingRecipientRepository,
discussionRepo *repository.LetterOutgoingDiscussionRepository,
discussionAttachmentRepo *repository.LetterOutgoingDiscussionAttachmentRepository,
activityLogRepo *repository.LetterOutgoingActivityLogRepository,
approvalFlowRepo *repository.ApprovalFlowRepository,
approvalRepo *repository.LetterOutgoingApprovalRepository,
numberGenerator *LetterNumberGeneratorImpl,
txManager *repository.TxManager,
priorityRepo *repository.PriorityRepository,
institutionRepo *repository.InstitutionRepository,
) *LetterOutgoingProcessorImpl {
return &LetterOutgoingProcessorImpl{
db: db,
letterRepo: letterRepo,
attachmentRepo: attachmentRepo,
recipientRepo: recipientRepo,
discussionRepo: discussionRepo,
discussionAttachmentRepo: discussionAttachmentRepo,
activityLogRepo: activityLogRepo,
approvalFlowRepo: approvalFlowRepo,
approvalRepo: approvalRepo,
numberGenerator: numberGenerator,
txManager: txManager,
priorityRepo: priorityRepo,
institutionRepo: institutionRepo,
}
}
func (p *LetterOutgoingProcessorImpl) CreateOutgoingLetter(ctx context.Context, letter *entities.LetterOutgoing, attachments []entities.LetterOutgoingAttachment, userID, departmentID uuid.UUID) error {
return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
// Step 1: Assign approval flow from department if not provided
if err := p.assignApprovalFlowFromDepartment(txCtx, letter, departmentID); err != nil {
// Log error but continue - approval flow is optional
}
// Step 2: Set status based on approval flow
if letter.ApprovalFlowID != nil {
letter.Status = entities.LetterOutgoingStatusPendingApproval
} else {
letter.Status = entities.LetterOutgoingStatusApproved
}
// Step 3: Generate and assign letter number
if err := p.assignLetterNumber(txCtx, letter); err != nil {
return err
}
// Step 4: Create the letter
if err := p.letterRepo.Create(txCtx, letter); err != nil {
return err
}
// Step 5: Create recipients from approval flow
if err := p.createRecipientsFromApprovalFlow(txCtx, letter); err != nil {
return err
}
// Step 6: Create attachments
if err := p.createAttachments(txCtx, letter.ID, attachments); err != nil {
return err
}
// Step 7: Log the activity
return p.logActivity(txCtx, letter.ID, entities.LetterOutgoingActionCreated, userID)
})
}
func (p *LetterOutgoingProcessorImpl) assignApprovalFlowFromDepartment(ctx context.Context, letter *entities.LetterOutgoing, departmentID uuid.UUID) error {
if letter.ApprovalFlowID != nil || departmentID == uuid.Nil {
return nil
}
flow, err := p.approvalFlowRepo.GetByDepartment(ctx, departmentID)
if err != nil {
return err
}
if flow != nil {
letter.ApprovalFlowID = &flow.ID
}
return nil
}
func (p *LetterOutgoingProcessorImpl) assignLetterNumber(ctx context.Context, letter *entities.LetterOutgoing) error {
letterNumber, err := p.numberGenerator.GenerateNumber(
ctx,
contract.SettingOutgoingLetterPrefix,
contract.SettingOutgoingLetterSequence,
"ESLO",
)
if err != nil {
return err
}
letter.LetterNumber = letterNumber
return nil
}
func (p *LetterOutgoingProcessorImpl) createRecipientsFromApprovalFlow(ctx context.Context, letter *entities.LetterOutgoing) error {
if letter.ApprovalFlowID == nil {
return nil
}
flow, err := p.approvalFlowRepo.Get(ctx, *letter.ApprovalFlowID)
if err != nil || flow == nil || len(flow.Steps) == 0 {
return err
}
// Find the minimum step order (first step)
minStepOrder := flow.Steps[0].StepOrder
for _, step := range flow.Steps {
if step.StepOrder < minStepOrder {
minStepOrder = step.StepOrder
}
}
// Create all approval steps in letter_outgoing_approvals
var approvals []entities.LetterOutgoingApproval
for _, step := range flow.Steps {
approval := entities.LetterOutgoingApproval{
LetterID: letter.ID,
StepID: step.ID,
StepOrder: step.StepOrder,
ParallelGroup: step.ParallelGroup,
IsRequired: step.Required,
ApproverID: step.ApproverUserID,
}
// Set status based on step order
if step.StepOrder == minStepOrder {
// First step(s) are set to pending
approval.Status = entities.ApprovalStatusPending
} else {
// All other steps are set to not_started
approval.Status = entities.ApprovalStatusNotStarted
}
approvals = append(approvals, approval)
}
// Bulk create all approvals
if len(approvals) > 0 {
if err := p.approvalRepo.CreateBulk(ctx, approvals); err != nil {
return err
}
}
// Also create recipients from the first step (for backward compatibility)
var recipients []entities.LetterOutgoingRecipient
for i, step := range flow.Steps {
// Only process steps with the minimum step order (first step)
if step.StepOrder != minStepOrder {
continue
}
recipient := p.createRecipientFromApprovalStep(step, letter.ID)
if recipient != nil {
// Mark the first recipient as primary
if i == 0 {
recipient.IsPrimary = true
} else {
recipient.IsPrimary = false
}
recipients = append(recipients, *recipient)
}
}
// Bulk create all recipients if any
if len(recipients) > 0 {
return p.recipientRepo.CreateBulk(ctx, recipients)
}
return nil
}
// createRecipientFromApprovalStep creates a recipient from an approval flow step
func (p *LetterOutgoingProcessorImpl) createRecipientFromApprovalStep(step entities.ApprovalFlowStep, letterID uuid.UUID) *entities.LetterOutgoingRecipient {
recipient := &entities.LetterOutgoingRecipient{
LetterID: letterID,
Status: "pending",
IsArchived: false,
UserID: &step.ApproverUser.ID,
}
return recipient
}
// createAttachments creates letter attachments
func (p *LetterOutgoingProcessorImpl) createAttachments(ctx context.Context, letterID uuid.UUID, attachments []entities.LetterOutgoingAttachment) error {
if len(attachments) == 0 {
return nil
}
// Update letter IDs for all attachments
for i := range attachments {
attachments[i].LetterID = letterID
}
return p.attachmentRepo.CreateBulk(ctx, attachments)
}
// logActivity logs an activity for the letter
func (p *LetterOutgoingProcessorImpl) logActivity(ctx context.Context, letterID uuid.UUID, actionType string, userID uuid.UUID) error {
activityLog := &entities.LetterOutgoingActivityLog{
LetterID: letterID,
ActionType: actionType,
ActorUserID: &userID,
}
return p.activityLogRepo.Create(ctx, activityLog)
}
func (p *LetterOutgoingProcessorImpl) GetOutgoingLetterByID(ctx context.Context, id uuid.UUID) (*entities.LetterOutgoing, error) {
return p.letterRepo.Get(ctx, id)
}
func (p *LetterOutgoingProcessorImpl) ListOutgoingLetters(ctx context.Context, filter repository.ListOutgoingLettersFilter, limit, offset int) ([]entities.LetterOutgoing, int64, error) {
return p.letterRepo.List(ctx, filter, limit, offset)
}
func (p *LetterOutgoingProcessorImpl) UpdateOutgoingLetter(ctx context.Context, letter *entities.LetterOutgoing, userID uuid.UUID) error {
return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
if err := p.letterRepo.Update(txCtx, letter); err != nil {
return err
}
activityLog := &entities.LetterOutgoingActivityLog{
LetterID: letter.ID,
ActionType: entities.LetterOutgoingActionUpdated,
ActorUserID: &userID,
}
if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
return err
}
return nil
})
}
func (p *LetterOutgoingProcessorImpl) DeleteOutgoingLetter(ctx context.Context, id uuid.UUID, userID uuid.UUID) error {
return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
if err := p.letterRepo.SoftDelete(txCtx, id); err != nil {
return err
}
letter, _ := p.letterRepo.Get(txCtx, id)
activityLog := &entities.LetterOutgoingActivityLog{
LetterID: letter.ID,
ActionType: entities.LetterOutgoingActionDeleted,
ActorUserID: &userID,
}
if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
return err
}
return nil
})
}
func (p *LetterOutgoingProcessorImpl) UpdateLetterStatus(ctx context.Context, letterID uuid.UUID, status entities.LetterOutgoingStatus, userID uuid.UUID, fromStatus, toStatus *string) error {
return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
if err := p.letterRepo.UpdateStatus(txCtx, letterID, status); err != nil {
return err
}
activityLog := &entities.LetterOutgoingActivityLog{
LetterID: letterID,
ActorUserID: &userID,
FromStatus: fromStatus,
ToStatus: toStatus,
}
switch status {
case entities.LetterOutgoingStatusPendingApproval:
activityLog.ActionType = entities.LetterOutgoingActionSubmittedApproval
case entities.LetterOutgoingStatusApproved:
activityLog.ActionType = entities.LetterOutgoingActionApproved
case entities.LetterOutgoingStatusSent:
activityLog.ActionType = entities.LetterOutgoingActionSent
case entities.LetterOutgoingStatusArchived:
activityLog.ActionType = entities.LetterOutgoingActionArchived
default:
activityLog.ActionType = entities.LetterOutgoingActionUpdated
}
if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
return err
}
return nil
})
}
func (p *LetterOutgoingProcessorImpl) ProcessApprovalSubmission(ctx context.Context, letterID uuid.UUID, approvalFlowID uuid.UUID, userID uuid.UUID) error {
flow, err := p.approvalFlowRepo.Get(ctx, approvalFlowID)
if err != nil {
return err
}
return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
// Find the minimum step order (first step)
minStepOrder := flow.Steps[0].StepOrder
for _, step := range flow.Steps {
if step.StepOrder < minStepOrder {
minStepOrder = step.StepOrder
}
}
approvals := make([]entities.LetterOutgoingApproval, len(flow.Steps))
for i, step := range flow.Steps {
approvals[i] = entities.LetterOutgoingApproval{
LetterID: letterID,
StepID: step.ID,
StepOrder: step.StepOrder,
ParallelGroup: step.ParallelGroup,
IsRequired: step.Required,
ApproverID: step.ApproverUserID,
Status: entities.ApprovalStatusPending,
}
// Set status based on step order
if step.StepOrder == minStepOrder {
approvals[i].Status = entities.ApprovalStatusPending
} else {
approvals[i].Status = entities.ApprovalStatusNotStarted
}
}
if err := p.approvalRepo.CreateBulk(txCtx, approvals); err != nil {
return err
}
// Add first step approvers as recipients
existingRecipients, err := p.recipientRepo.ListByLetter(txCtx, letterID)
if err != nil {
return err
}
// Create a map of existing user IDs for quick lookup
existingUserIDs := make(map[uuid.UUID]bool)
for _, recipient := range existingRecipients {
if recipient.UserID != nil {
existingUserIDs[*recipient.UserID] = true
}
}
// Add approvers from the first step as recipients
for _, approval := range approvals {
if approval.StepOrder == minStepOrder && approval.ApproverID != nil {
if !existingUserIDs[*approval.ApproverID] {
newRecipient := entities.LetterOutgoingRecipient{
LetterID: letterID,
UserID: approval.ApproverID,
IsPrimary: false,
Status: "unread",
IsArchived: false,
}
if err := p.recipientRepo.Create(txCtx, &newRecipient); err != nil {
return err
}
existingUserIDs[*approval.ApproverID] = true
}
}
}
if err := p.letterRepo.UpdateStatus(txCtx, letterID, entities.LetterOutgoingStatusPendingApproval); err != nil {
return err
}
fromStatus := string(entities.LetterOutgoingStatusDraft)
toStatus := string(entities.LetterOutgoingStatusPendingApproval)
activityLog := &entities.LetterOutgoingActivityLog{
LetterID: letterID,
ActionType: entities.LetterOutgoingActionSubmittedApproval,
ActorUserID: &userID,
FromStatus: &fromStatus,
ToStatus: &toStatus,
}
if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
return err
}
return nil
})
}
func (p *LetterOutgoingProcessorImpl) ProcessApproval(ctx context.Context, letterID uuid.UUID, approval *entities.LetterOutgoingApproval, userID uuid.UUID, allApproved bool) error {
return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
now := time.Now()
approval.Status = entities.ApprovalStatusApproved
approval.ApproverID = &userID
approval.ActedAt = &now
if err := p.approvalRepo.Update(txCtx, approval); err != nil {
return err
}
allApprovals, err := p.approvalRepo.ListByLetter(txCtx, letterID)
if err != nil {
return err
}
approvalsByStep := make(map[int][]entities.LetterOutgoingApproval)
for _, a := range allApprovals {
approvalsByStep[a.StepOrder] = append(approvalsByStep[a.StepOrder], a)
}
currentStepCompleted := true
for _, a := range approvalsByStep[approval.StepOrder] {
if a.IsRequired && a.Status != entities.ApprovalStatusApproved {
currentStepCompleted = false
break
}
}
// If current step is completed, activate the next step and add approvers as recipients
if currentStepCompleted {
nextStepOrder := approval.StepOrder + 1
if nextStepApprovals, exists := approvalsByStep[nextStepOrder]; exists {
currentRecipients, err := p.recipientRepo.ListByLetter(txCtx, letterID)
if err != nil {
return err
}
existingUserIDs := make(map[uuid.UUID]bool)
for _, recipient := range currentRecipients {
if recipient.UserID != nil {
existingUserIDs[*recipient.UserID] = true
}
}
for _, nextApproval := range nextStepApprovals {
if nextApproval.Status == entities.ApprovalStatusNotStarted {
nextApproval.Status = entities.ApprovalStatusPending
if err := p.approvalRepo.Update(txCtx, &nextApproval); err != nil {
return err
}
}
if nextApproval.ApproverID != nil && !existingUserIDs[*nextApproval.ApproverID] {
newRecipient := entities.LetterOutgoingRecipient{
LetterID: letterID,
UserID: nextApproval.ApproverID,
IsPrimary: false,
Status: "unread",
IsArchived: false,
}
if err := p.recipientRepo.Create(txCtx, &newRecipient); err != nil {
return err
}
existingUserIDs[*nextApproval.ApproverID] = true
}
}
}
}
// Check if all required approvals are completed
allRequiredApproved := true
for _, a := range allApprovals {
if a.IsRequired && a.Status != entities.ApprovalStatusApproved {
allRequiredApproved = false
break
}
}
// Update letter status if all required approvals are done
if allRequiredApproved {
if err := p.letterRepo.UpdateStatus(txCtx, letterID, entities.LetterOutgoingStatusApproved); err != nil {
return err
}
}
activityLog := &entities.LetterOutgoingActivityLog{
LetterID: letterID,
ActionType: entities.LetterOutgoingActionApproved,
ActorUserID: &userID,
TargetID: &approval.ID,
}
if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
return err
}
return nil
})
}
func (p *LetterOutgoingProcessorImpl) ProcessRejection(ctx context.Context, letterID uuid.UUID, approval *entities.LetterOutgoingApproval, userID uuid.UUID) error {
return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
now := time.Now()
approval.Status = entities.ApprovalStatusRejected
approval.ApproverID = &userID
approval.ActedAt = &now
if err := p.approvalRepo.Update(txCtx, approval); err != nil {
return err
}
if err := p.letterRepo.UpdateStatus(txCtx, letterID, entities.LetterOutgoingStatusDraft); err != nil {
return err
}
fromStatus := string(entities.LetterOutgoingStatusPendingApproval)
toStatus := string(entities.LetterOutgoingStatusDraft)
activityLog := &entities.LetterOutgoingActivityLog{
LetterID: letterID,
ActionType: entities.LetterOutgoingActionRejected,
ActorUserID: &userID,
TargetID: &approval.ID,
FromStatus: &fromStatus,
ToStatus: &toStatus,
}
if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
return err
}
return nil
})
}
func (p *LetterOutgoingProcessorImpl) AddRecipients(ctx context.Context, letterID uuid.UUID, recipients []entities.LetterOutgoingRecipient, userID uuid.UUID) error {
return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
if err := p.recipientRepo.CreateBulk(txCtx, recipients); err != nil {
return err
}
activityLog := &entities.LetterOutgoingActivityLog{
LetterID: letterID,
ActionType: entities.LetterOutgoingActionRecipientAdded,
ActorUserID: &userID,
}
if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
return err
}
return nil
})
}
func (p *LetterOutgoingProcessorImpl) UpdateRecipient(ctx context.Context, recipient *entities.LetterOutgoingRecipient) error {
return p.recipientRepo.Update(ctx, recipient)
}
func (p *LetterOutgoingProcessorImpl) RemoveRecipient(ctx context.Context, letterID uuid.UUID, recipientID uuid.UUID, userID uuid.UUID) error {
return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
if err := p.recipientRepo.Delete(txCtx, recipientID); err != nil {
return err
}
activityLog := &entities.LetterOutgoingActivityLog{
LetterID: letterID,
ActionType: entities.LetterOutgoingActionRecipientRemoved,
ActorUserID: &userID,
TargetID: &recipientID,
}
if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
return err
}
return nil
})
}
func (p *LetterOutgoingProcessorImpl) AddAttachments(ctx context.Context, letterID uuid.UUID, attachments []entities.LetterOutgoingAttachment, userID uuid.UUID) error {
return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
if err := p.attachmentRepo.CreateBulk(txCtx, attachments); err != nil {
return err
}
activityLog := &entities.LetterOutgoingActivityLog{
LetterID: letterID,
ActionType: entities.LetterOutgoingActionAttachmentAdded,
ActorUserID: &userID,
}
if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
return err
}
return nil
})
}
func (p *LetterOutgoingProcessorImpl) RemoveAttachment(ctx context.Context, letterID uuid.UUID, attachmentID uuid.UUID, userID uuid.UUID) error {
return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
if err := p.attachmentRepo.Delete(txCtx, attachmentID); err != nil {
return err
}
activityLog := &entities.LetterOutgoingActivityLog{
LetterID: letterID,
ActionType: entities.LetterOutgoingActionAttachmentRemoved,
ActorUserID: &userID,
TargetID: &attachmentID,
}
if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
return err
}
return nil
})
}
func (p *LetterOutgoingProcessorImpl) CreateDiscussion(ctx context.Context, discussion *entities.LetterOutgoingDiscussion, attachments []entities.LetterOutgoingDiscussionAttachment, userID uuid.UUID) error {
return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
if err := p.discussionRepo.Create(txCtx, discussion); err != nil {
return err
}
if len(attachments) > 0 {
if err := p.discussionAttachmentRepo.CreateBulk(txCtx, attachments); err != nil {
return err
}
}
activityLog := &entities.LetterOutgoingActivityLog{
LetterID: discussion.LetterID,
ActionType: entities.LetterOutgoingActionDiscussionAdded,
ActorUserID: &userID,
TargetID: &discussion.ID,
}
if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
return err
}
return nil
})
}
func (p *LetterOutgoingProcessorImpl) GetDiscussionByID(ctx context.Context, id uuid.UUID) (*entities.LetterOutgoingDiscussion, error) {
return p.discussionRepo.Get(ctx, id)
}
func (p *LetterOutgoingProcessorImpl) UpdateDiscussion(ctx context.Context, discussion *entities.LetterOutgoingDiscussion) error {
return p.discussionRepo.Update(ctx, discussion)
}
func (p *LetterOutgoingProcessorImpl) DeleteDiscussion(ctx context.Context, id uuid.UUID) error {
return p.discussionRepo.Delete(ctx, id)
}
func (p *LetterOutgoingProcessorImpl) GetApprovalsByLetter(ctx context.Context, letterID uuid.UUID) ([]entities.LetterOutgoingApproval, error) {
return p.approvalRepo.ListByLetter(ctx, letterID)
}
func (p *LetterOutgoingProcessorImpl) GetApprovalFlow(ctx context.Context, flowID uuid.UUID) (*entities.ApprovalFlow, error) {
return p.approvalFlowRepo.Get(ctx, flowID)
}
// GetOutgoingLetterWithDetails fetches letter with all related data including approvals, discussions, and users
func (p *LetterOutgoingProcessorImpl) GetOutgoingLetterWithDetails(ctx context.Context, letterID uuid.UUID) (*entities.LetterOutgoing, error) {
letter, err := p.letterRepo.GetWithRelations(ctx, letterID, []string{
"Priority",
"ReceiverInstitution",
"Creator",
"Creator.Profile",
"ApprovalFlow",
"ApprovalFlow.Steps",
"ApprovalFlow.Steps.ApproverRole",
"ApprovalFlow.Steps.ApproverUser",
"ApprovalFlow.Steps.ApproverUser.Profile",
"Recipients",
"Recipients.User",
"Recipients.User.Profile",
"Recipients.Department",
"Attachments",
"Approvals",
"Approvals.Step",
"Approvals.Step.ApproverRole",
"Approvals.Step.ApproverUser",
"Approvals.Step.ApproverUser.Profile",
"Approvals.Approver",
"Approvals.Approver.Profile",
"Discussions",
"Discussions.User",
"Discussions.User.Profile",
"Discussions.Attachments",
"ActivityLogs",
})
if err != nil {
return nil, err
}
return letter, nil
}
// GetUsersByIDs fetches users by their IDs
func (p *LetterOutgoingProcessorImpl) GetUsersByIDs(ctx context.Context, userIDs []uuid.UUID) ([]entities.User, error) {
if len(userIDs) == 0 {
return []entities.User{}, nil
}
var users []entities.User
err := p.db.WithContext(ctx).
Preload("Profile").
Where("id IN ?", userIDs).
Find(&users).Error
if err != nil {
return nil, err
}
return users, nil
}
func (p *LetterOutgoingProcessorImpl) SearchOutgoingLetters(ctx context.Context, filters map[string]interface{}, page, limit int, sortBy, sortOrder string) ([]entities.LetterOutgoing, int64, error) {
offset := (page - 1) * limit
return p.letterRepo.Search(ctx, filters, limit, offset, sortBy, sortOrder)
}
func (p *LetterOutgoingProcessorImpl) BulkArchiveOutgoingLetters(ctx context.Context, letterIDs []uuid.UUID) (int64, error) {
return p.letterRepo.BulkArchive(ctx, letterIDs)
}
// GetBatchAttachments fetches attachments for multiple letters in a single query
func (p *LetterOutgoingProcessorImpl) GetBatchAttachments(ctx context.Context, letterIDs []uuid.UUID) (map[uuid.UUID][]entities.LetterOutgoingAttachment, error) {
if p.attachmentRepo == nil || len(letterIDs) == 0 {
return make(map[uuid.UUID][]entities.LetterOutgoingAttachment), nil
}
return p.attachmentRepo.ListByLetterIDs(ctx, letterIDs)
}
// GetBatchRecipients fetches recipients for multiple letters in a single query
func (p *LetterOutgoingProcessorImpl) GetBatchRecipients(ctx context.Context, letterIDs []uuid.UUID) (map[uuid.UUID][]entities.LetterOutgoingRecipient, error) {
if p.recipientRepo == nil || len(letterIDs) == 0 {
return make(map[uuid.UUID][]entities.LetterOutgoingRecipient), nil
}
return p.recipientRepo.ListByLetterIDs(ctx, letterIDs)
}
// GetBatchPriorities fetches priorities by IDs in a single query
func (p *LetterOutgoingProcessorImpl) GetBatchPriorities(ctx context.Context, priorityIDs []uuid.UUID) (map[uuid.UUID]*entities.Priority, error) {
if p.priorityRepo == nil || len(priorityIDs) == 0 {
return make(map[uuid.UUID]*entities.Priority), nil
}
return p.priorityRepo.GetByIDs(ctx, priorityIDs)
}
// GetBatchInstitutions fetches institutions by IDs in a single query
func (p *LetterOutgoingProcessorImpl) GetBatchInstitutions(ctx context.Context, institutionIDs []uuid.UUID) (map[uuid.UUID]*entities.Institution, error) {
if p.institutionRepo == nil || len(institutionIDs) == 0 {
return make(map[uuid.UUID]*entities.Institution), nil
}
return p.institutionRepo.GetByIDs(ctx, institutionIDs)
}