78 lines
3.2 KiB
Go
78 lines
3.2 KiB
Go
package domain
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import (
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"strings"
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"time"
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)
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// LessonPublishStatus controls learner visibility for an LMS lesson row (like PracticePublishStatus).
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type LessonPublishStatus string
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const (
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LessonPublishDraft LessonPublishStatus = "DRAFT"
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LessonPublishPublished LessonPublishStatus = "PUBLISHED"
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)
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// LessonPublishStatusFromDB normalizes persisted values.
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func LessonPublishStatusFromDB(raw string) LessonPublishStatus {
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switch strings.TrimSpace(strings.ToUpper(raw)) {
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case string(LessonPublishPublished):
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return LessonPublishPublished
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default:
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return LessonPublishDraft
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}
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}
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// LessonPublishStatusFromCreateInput resolves create body: omit → draft; explicit value validated separately.
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func LessonPublishStatusFromCreateInput(raw *string) LessonPublishStatus {
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if raw == nil || strings.TrimSpace(*raw) == "" {
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return LessonPublishDraft
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}
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return LessonPublishStatusFromDB(*raw)
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}
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// Lesson belongs to a Module.
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type Lesson struct {
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ID int64 `json:"id"`
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ModuleID int64 `json:"module_id"`
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Title string `json:"title"`
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VideoURL *string `json:"video_url,omitempty"`
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Thumbnail *string `json:"thumbnail,omitempty"`
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Description *string `json:"description,omitempty"`
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SortOrder int `json:"sort_order"`
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PublishStatus LessonPublishStatus `json:"publish_status"`
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AccessTier ContentAccessTier `json:"access_tier"`
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EffectiveAccessTier ContentAccessTier `json:"effective_access_tier,omitempty"`
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HasPractice bool `json:"has_practice"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt *time.Time `json:"updated_at,omitempty"`
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Access *LMSEntityAccess `json:"access,omitempty"`
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}
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// VisibleToLearners is true when the lesson appears in subscriber/catalog LMS APIs.
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func (l Lesson) VisibleToLearners() bool {
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return l.PublishStatus == LessonPublishPublished
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}
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type CreateLessonInput struct {
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Title string `json:"title" validate:"required"`
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VideoURL *string `json:"video_url,omitempty"`
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Thumbnail *string `json:"thumbnail,omitempty"`
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Description *string `json:"description,omitempty"`
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// SortOrder within the module when set; omit to append after current max within module_id.
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SortOrder *int `json:"sort_order,omitempty" validate:"omitempty,min=0"`
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// Omit or empty defaults to DRAFT; set PUBLISHED to make visible to learners immediately.
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PublishStatus *string `json:"publish_status,omitempty" validate:"omitempty,oneof=DRAFT draft PUBLISHED published"`
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AccessTier *string `json:"access_tier,omitempty" validate:"omitempty,oneof=FREE free PREMIUM premium"`
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}
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type UpdateLessonInput struct {
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Title *string `json:"title,omitempty"`
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VideoURL *string `json:"video_url,omitempty"`
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Thumbnail *string `json:"thumbnail,omitempty"`
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Description *string `json:"description,omitempty"`
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SortOrder *int `json:"sort_order,omitempty"`
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PublishStatus *string `json:"publish_status,omitempty" validate:"omitempty,oneof=DRAFT draft PUBLISHED published"`
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AccessTier *string `json:"access_tier,omitempty" validate:"omitempty,oneof=FREE free PREMIUM premium"`
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}
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