616 lines
21 KiB
Go
616 lines
21 KiB
Go
package processor
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import (
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"context"
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"time"
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"eslogad-be/internal/contract"
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"eslogad-be/internal/entities"
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"eslogad-be/internal/repository"
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"github.com/google/uuid"
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"gorm.io/gorm"
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)
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type LetterOutgoingProcessor interface {
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CreateOutgoingLetter(ctx context.Context, letter *entities.LetterOutgoing, attachments []entities.LetterOutgoingAttachment, userID, departmentID uuid.UUID) error
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GetOutgoingLetterByID(ctx context.Context, id uuid.UUID) (*entities.LetterOutgoing, error)
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ListOutgoingLetters(ctx context.Context, filter repository.ListOutgoingLettersFilter, limit, offset int) ([]entities.LetterOutgoing, int64, error)
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UpdateOutgoingLetter(ctx context.Context, letter *entities.LetterOutgoing, userID uuid.UUID) error
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DeleteOutgoingLetter(ctx context.Context, id uuid.UUID, userID uuid.UUID) error
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UpdateLetterStatus(ctx context.Context, letterID uuid.UUID, status entities.LetterOutgoingStatus, userID uuid.UUID, fromStatus, toStatus *string) error
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ProcessApprovalSubmission(ctx context.Context, letterID uuid.UUID, approvalFlowID uuid.UUID, userID uuid.UUID) error
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ProcessApproval(ctx context.Context, letterID uuid.UUID, approval *entities.LetterOutgoingApproval, userID uuid.UUID, allApproved bool) error
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ProcessRejection(ctx context.Context, letterID uuid.UUID, approval *entities.LetterOutgoingApproval, userID uuid.UUID) error
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AddRecipients(ctx context.Context, letterID uuid.UUID, recipients []entities.LetterOutgoingRecipient, userID uuid.UUID) error
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UpdateRecipient(ctx context.Context, recipient *entities.LetterOutgoingRecipient) error
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RemoveRecipient(ctx context.Context, letterID uuid.UUID, recipientID uuid.UUID, userID uuid.UUID) error
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AddAttachments(ctx context.Context, letterID uuid.UUID, attachments []entities.LetterOutgoingAttachment, userID uuid.UUID) error
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RemoveAttachment(ctx context.Context, letterID uuid.UUID, attachmentID uuid.UUID, userID uuid.UUID) error
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CreateDiscussion(ctx context.Context, discussion *entities.LetterOutgoingDiscussion, attachments []entities.LetterOutgoingDiscussionAttachment, userID uuid.UUID) error
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GetDiscussionByID(ctx context.Context, id uuid.UUID) (*entities.LetterOutgoingDiscussion, error)
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UpdateDiscussion(ctx context.Context, discussion *entities.LetterOutgoingDiscussion) error
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DeleteDiscussion(ctx context.Context, id uuid.UUID) error
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GetApprovalsByLetter(ctx context.Context, letterID uuid.UUID) ([]entities.LetterOutgoingApproval, error)
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GetApprovalFlow(ctx context.Context, flowID uuid.UUID) (*entities.ApprovalFlow, error)
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// GetOutgoingLetterWithDetails fetches letter with all related data
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GetOutgoingLetterWithDetails(ctx context.Context, letterID uuid.UUID) (*entities.LetterOutgoing, error)
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GetUsersByIDs(ctx context.Context, userIDs []uuid.UUID) ([]entities.User, error)
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}
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type LetterOutgoingProcessorImpl struct {
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db *gorm.DB
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letterRepo *repository.LetterOutgoingRepository
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attachmentRepo *repository.LetterOutgoingAttachmentRepository
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recipientRepo *repository.LetterOutgoingRecipientRepository
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discussionRepo *repository.LetterOutgoingDiscussionRepository
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discussionAttachmentRepo *repository.LetterOutgoingDiscussionAttachmentRepository
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activityLogRepo *repository.LetterOutgoingActivityLogRepository
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approvalFlowRepo *repository.ApprovalFlowRepository
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approvalRepo *repository.LetterOutgoingApprovalRepository
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numberGenerator *LetterNumberGeneratorImpl
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txManager *repository.TxManager
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}
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func NewLetterOutgoingProcessor(
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db *gorm.DB,
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letterRepo *repository.LetterOutgoingRepository,
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attachmentRepo *repository.LetterOutgoingAttachmentRepository,
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recipientRepo *repository.LetterOutgoingRecipientRepository,
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discussionRepo *repository.LetterOutgoingDiscussionRepository,
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discussionAttachmentRepo *repository.LetterOutgoingDiscussionAttachmentRepository,
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activityLogRepo *repository.LetterOutgoingActivityLogRepository,
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approvalFlowRepo *repository.ApprovalFlowRepository,
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approvalRepo *repository.LetterOutgoingApprovalRepository,
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numberGenerator *LetterNumberGeneratorImpl,
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txManager *repository.TxManager,
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) *LetterOutgoingProcessorImpl {
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return &LetterOutgoingProcessorImpl{
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db: db,
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letterRepo: letterRepo,
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attachmentRepo: attachmentRepo,
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recipientRepo: recipientRepo,
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discussionRepo: discussionRepo,
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discussionAttachmentRepo: discussionAttachmentRepo,
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activityLogRepo: activityLogRepo,
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approvalFlowRepo: approvalFlowRepo,
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approvalRepo: approvalRepo,
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numberGenerator: numberGenerator,
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txManager: txManager,
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}
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}
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func (p *LetterOutgoingProcessorImpl) CreateOutgoingLetter(ctx context.Context, letter *entities.LetterOutgoing, attachments []entities.LetterOutgoingAttachment, userID, departmentID uuid.UUID) error {
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return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
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// Step 1: Assign approval flow from department if not provided
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if err := p.assignApprovalFlowFromDepartment(txCtx, letter, departmentID); err != nil {
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// Log error but continue - approval flow is optional
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}
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// Step 2: Set status based on approval flow
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if letter.ApprovalFlowID != nil {
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letter.Status = entities.LetterOutgoingStatusPendingApproval
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} else {
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letter.Status = entities.LetterOutgoingStatusApproved
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}
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// Step 3: Generate and assign letter number
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if err := p.assignLetterNumber(txCtx, letter); err != nil {
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return err
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}
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// Step 4: Create the letter
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if err := p.letterRepo.Create(txCtx, letter); err != nil {
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return err
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}
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// Step 5: Create recipients from approval flow
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if err := p.createRecipientsFromApprovalFlow(txCtx, letter); err != nil {
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return err
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}
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// Step 6: Create attachments
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if err := p.createAttachments(txCtx, letter.ID, attachments); err != nil {
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return err
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}
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// Step 7: Log the activity
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return p.logActivity(txCtx, letter.ID, entities.LetterOutgoingActionCreated, userID)
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})
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}
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func (p *LetterOutgoingProcessorImpl) assignApprovalFlowFromDepartment(ctx context.Context, letter *entities.LetterOutgoing, departmentID uuid.UUID) error {
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if letter.ApprovalFlowID != nil || departmentID == uuid.Nil {
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return nil
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}
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flow, err := p.approvalFlowRepo.GetByDepartment(ctx, departmentID)
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if err != nil {
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return err
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}
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if flow != nil {
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letter.ApprovalFlowID = &flow.ID
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}
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return nil
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}
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func (p *LetterOutgoingProcessorImpl) assignLetterNumber(ctx context.Context, letter *entities.LetterOutgoing) error {
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letterNumber, err := p.numberGenerator.GenerateNumber(
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ctx,
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contract.SettingOutgoingLetterPrefix,
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contract.SettingOutgoingLetterSequence,
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"ESLO",
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)
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if err != nil {
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return err
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}
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letter.LetterNumber = letterNumber
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return nil
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}
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func (p *LetterOutgoingProcessorImpl) createRecipientsFromApprovalFlow(ctx context.Context, letter *entities.LetterOutgoing) error {
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if letter.ApprovalFlowID == nil {
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return nil
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}
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flow, err := p.approvalFlowRepo.Get(ctx, *letter.ApprovalFlowID)
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if err != nil || flow == nil || len(flow.Steps) == 0 {
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return err
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}
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// Find the minimum step order (first step)
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minStepOrder := flow.Steps[0].StepOrder
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for _, step := range flow.Steps {
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if step.StepOrder < minStepOrder {
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minStepOrder = step.StepOrder
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}
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}
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// Collect all recipients from the first step (can be multiple if parallel)
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var recipients []entities.LetterOutgoingRecipient
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for i, step := range flow.Steps {
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// Only process steps with the minimum step order (first step)
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if step.StepOrder != minStepOrder {
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continue
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}
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recipient := p.createRecipientFromApprovalStep(step, letter.ID)
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if recipient != nil {
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// Mark the first recipient as primary
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if i == 0 {
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recipient.IsPrimary = true
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} else {
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recipient.IsPrimary = false
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}
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recipients = append(recipients, *recipient)
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}
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}
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// If no recipients were created, return without error
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if len(recipients) == 0 {
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return nil
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}
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// Bulk create all recipients
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return p.recipientRepo.CreateBulk(ctx, recipients)
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}
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// createRecipientFromApprovalStep creates a recipient from an approval flow step
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func (p *LetterOutgoingProcessorImpl) createRecipientFromApprovalStep(step entities.ApprovalFlowStep, letterID uuid.UUID) *entities.LetterOutgoingRecipient {
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recipient := &entities.LetterOutgoingRecipient{
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LetterID: letterID,
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Status: "pending",
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IsArchived: false,
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UserID: &step.ApproverUser.ID,
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}
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return recipient
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}
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// createAttachments creates letter attachments
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func (p *LetterOutgoingProcessorImpl) createAttachments(ctx context.Context, letterID uuid.UUID, attachments []entities.LetterOutgoingAttachment) error {
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if len(attachments) == 0 {
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return nil
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}
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// Update letter IDs for all attachments
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for i := range attachments {
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attachments[i].LetterID = letterID
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}
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return p.attachmentRepo.CreateBulk(ctx, attachments)
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}
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// logActivity logs an activity for the letter
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func (p *LetterOutgoingProcessorImpl) logActivity(ctx context.Context, letterID uuid.UUID, actionType string, userID uuid.UUID) error {
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activityLog := &entities.LetterOutgoingActivityLog{
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LetterID: letterID,
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ActionType: actionType,
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ActorUserID: &userID,
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}
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return p.activityLogRepo.Create(ctx, activityLog)
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}
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func (p *LetterOutgoingProcessorImpl) GetOutgoingLetterByID(ctx context.Context, id uuid.UUID) (*entities.LetterOutgoing, error) {
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return p.letterRepo.Get(ctx, id)
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}
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func (p *LetterOutgoingProcessorImpl) ListOutgoingLetters(ctx context.Context, filter repository.ListOutgoingLettersFilter, limit, offset int) ([]entities.LetterOutgoing, int64, error) {
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return p.letterRepo.List(ctx, filter, limit, offset)
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}
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func (p *LetterOutgoingProcessorImpl) UpdateOutgoingLetter(ctx context.Context, letter *entities.LetterOutgoing, userID uuid.UUID) error {
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return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
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if err := p.letterRepo.Update(txCtx, letter); err != nil {
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return err
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}
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activityLog := &entities.LetterOutgoingActivityLog{
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LetterID: letter.ID,
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ActionType: entities.LetterOutgoingActionUpdated,
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ActorUserID: &userID,
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}
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if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
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return err
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}
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return nil
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})
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}
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func (p *LetterOutgoingProcessorImpl) DeleteOutgoingLetter(ctx context.Context, id uuid.UUID, userID uuid.UUID) error {
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return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
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if err := p.letterRepo.SoftDelete(txCtx, id); err != nil {
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return err
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}
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letter, _ := p.letterRepo.Get(txCtx, id)
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activityLog := &entities.LetterOutgoingActivityLog{
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LetterID: letter.ID,
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ActionType: entities.LetterOutgoingActionDeleted,
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ActorUserID: &userID,
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}
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if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
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return err
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}
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return nil
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})
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}
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func (p *LetterOutgoingProcessorImpl) UpdateLetterStatus(ctx context.Context, letterID uuid.UUID, status entities.LetterOutgoingStatus, userID uuid.UUID, fromStatus, toStatus *string) error {
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return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
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if err := p.letterRepo.UpdateStatus(txCtx, letterID, status); err != nil {
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return err
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}
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activityLog := &entities.LetterOutgoingActivityLog{
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LetterID: letterID,
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ActorUserID: &userID,
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FromStatus: fromStatus,
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ToStatus: toStatus,
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}
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switch status {
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case entities.LetterOutgoingStatusPendingApproval:
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activityLog.ActionType = entities.LetterOutgoingActionSubmittedApproval
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case entities.LetterOutgoingStatusApproved:
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activityLog.ActionType = entities.LetterOutgoingActionApproved
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case entities.LetterOutgoingStatusSent:
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activityLog.ActionType = entities.LetterOutgoingActionSent
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case entities.LetterOutgoingStatusArchived:
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activityLog.ActionType = entities.LetterOutgoingActionArchived
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default:
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activityLog.ActionType = entities.LetterOutgoingActionUpdated
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}
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if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
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return err
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}
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return nil
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})
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}
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func (p *LetterOutgoingProcessorImpl) ProcessApprovalSubmission(ctx context.Context, letterID uuid.UUID, approvalFlowID uuid.UUID, userID uuid.UUID) error {
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flow, err := p.approvalFlowRepo.Get(ctx, approvalFlowID)
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if err != nil {
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return err
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}
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return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
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approvals := make([]entities.LetterOutgoingApproval, len(flow.Steps))
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for i, step := range flow.Steps {
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approvals[i] = entities.LetterOutgoingApproval{
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LetterID: letterID,
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StepID: step.ID,
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Status: entities.ApprovalStatusPending,
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}
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}
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if err := p.approvalRepo.CreateBulk(txCtx, approvals); err != nil {
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return err
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}
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if err := p.letterRepo.UpdateStatus(txCtx, letterID, entities.LetterOutgoingStatusPendingApproval); err != nil {
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return err
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}
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fromStatus := string(entities.LetterOutgoingStatusDraft)
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toStatus := string(entities.LetterOutgoingStatusPendingApproval)
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activityLog := &entities.LetterOutgoingActivityLog{
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LetterID: letterID,
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ActionType: entities.LetterOutgoingActionSubmittedApproval,
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ActorUserID: &userID,
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FromStatus: &fromStatus,
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ToStatus: &toStatus,
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}
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if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
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return err
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}
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return nil
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})
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}
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func (p *LetterOutgoingProcessorImpl) ProcessApproval(ctx context.Context, letterID uuid.UUID, approval *entities.LetterOutgoingApproval, userID uuid.UUID, allApproved bool) error {
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return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
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now := time.Now()
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approval.Status = entities.ApprovalStatusApproved
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approval.ApproverID = &userID
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approval.ActedAt = &now
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if err := p.approvalRepo.Update(txCtx, approval); err != nil {
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return err
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}
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if allApproved {
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if err := p.letterRepo.UpdateStatus(txCtx, letterID, entities.LetterOutgoingStatusApproved); err != nil {
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return err
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}
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}
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activityLog := &entities.LetterOutgoingActivityLog{
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LetterID: letterID,
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ActionType: entities.LetterOutgoingActionApproved,
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ActorUserID: &userID,
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TargetID: &approval.ID,
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}
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if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
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return err
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}
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return nil
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})
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}
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func (p *LetterOutgoingProcessorImpl) ProcessRejection(ctx context.Context, letterID uuid.UUID, approval *entities.LetterOutgoingApproval, userID uuid.UUID) error {
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return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
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now := time.Now()
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approval.Status = entities.ApprovalStatusRejected
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approval.ApproverID = &userID
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approval.ActedAt = &now
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if err := p.approvalRepo.Update(txCtx, approval); err != nil {
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return err
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}
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if err := p.letterRepo.UpdateStatus(txCtx, letterID, entities.LetterOutgoingStatusDraft); err != nil {
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return err
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}
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fromStatus := string(entities.LetterOutgoingStatusPendingApproval)
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toStatus := string(entities.LetterOutgoingStatusDraft)
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activityLog := &entities.LetterOutgoingActivityLog{
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LetterID: letterID,
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ActionType: entities.LetterOutgoingActionRejected,
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ActorUserID: &userID,
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TargetID: &approval.ID,
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FromStatus: &fromStatus,
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ToStatus: &toStatus,
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}
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if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
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return err
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}
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return nil
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})
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}
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func (p *LetterOutgoingProcessorImpl) AddRecipients(ctx context.Context, letterID uuid.UUID, recipients []entities.LetterOutgoingRecipient, userID uuid.UUID) error {
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return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
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if err := p.recipientRepo.CreateBulk(txCtx, recipients); err != nil {
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return err
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}
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activityLog := &entities.LetterOutgoingActivityLog{
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LetterID: letterID,
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ActionType: entities.LetterOutgoingActionRecipientAdded,
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ActorUserID: &userID,
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}
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if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
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return err
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}
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return nil
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})
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}
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func (p *LetterOutgoingProcessorImpl) UpdateRecipient(ctx context.Context, recipient *entities.LetterOutgoingRecipient) error {
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return p.recipientRepo.Update(ctx, recipient)
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}
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func (p *LetterOutgoingProcessorImpl) RemoveRecipient(ctx context.Context, letterID uuid.UUID, recipientID uuid.UUID, userID uuid.UUID) error {
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return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
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if err := p.recipientRepo.Delete(txCtx, recipientID); err != nil {
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return err
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}
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activityLog := &entities.LetterOutgoingActivityLog{
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LetterID: letterID,
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ActionType: entities.LetterOutgoingActionRecipientRemoved,
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ActorUserID: &userID,
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TargetID: &recipientID,
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}
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if err := p.activityLogRepo.Create(txCtx, activityLog); err != nil {
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return err
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}
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return nil
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})
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}
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func (p *LetterOutgoingProcessorImpl) AddAttachments(ctx context.Context, letterID uuid.UUID, attachments []entities.LetterOutgoingAttachment, userID uuid.UUID) error {
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return p.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
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if err := p.attachmentRepo.CreateBulk(txCtx, attachments); err != nil {
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return err
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}
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activityLog := &entities.LetterOutgoingActivityLog{
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LetterID: letterID,
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|
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
|
|
}
|