258 lines
8.9 KiB
Go
258 lines
8.9 KiB
Go
package repository
|
||
|
||
import (
|
||
"errors"
|
||
"strings"
|
||
|
||
"infinite-canvas/backend/internal/model"
|
||
|
||
"gorm.io/gorm"
|
||
"gorm.io/gorm/clause"
|
||
)
|
||
|
||
type SkillListFilter struct {
|
||
PlatformCategoryID string
|
||
PlatformUncategorized bool
|
||
UserID string
|
||
Scope string
|
||
Search string
|
||
Tag string
|
||
LibraryCategoryID string
|
||
LibraryUncategorized bool
|
||
Sort string
|
||
Limit int
|
||
Offset int
|
||
}
|
||
|
||
type SkillMetrics struct {
|
||
SkillID string
|
||
AddedCount int64
|
||
LikeCount int64
|
||
}
|
||
|
||
type SkillCategoryCount struct {
|
||
Tag string
|
||
Count int64
|
||
}
|
||
|
||
// PublicSkillCategoryCounts 返回技能广场中已启用公开技能的共享分类数量。
|
||
func (r *Repository) PublicSkillCategoryCounts() (map[string]int64, error) {
|
||
var rows []SkillCategoryCount
|
||
err := r.db.Model(&model.Skill{}).
|
||
Select("tag, COUNT(*) AS count").
|
||
Where("status = ? AND is_private = ?", 1, false).
|
||
Group("tag").
|
||
Scan(&rows).Error
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
counts := make(map[string]int64, len(rows))
|
||
for _, row := range rows {
|
||
counts[row.Tag] = row.Count
|
||
}
|
||
return counts, nil
|
||
}
|
||
|
||
func (r *Repository) Skills(filter SkillListFilter) ([]model.Skill, int64, error) {
|
||
query := r.db.Model(&model.Skill{}).Where("skills.status = ?", 1)
|
||
switch filter.Scope {
|
||
case "mine":
|
||
query = query.Joins("LEFT JOIN user_skill_states ON user_skill_states.skill_id = skills.id AND user_skill_states.user_id = ?", filter.UserID).
|
||
Where("skills.owner_id = ? OR (user_skill_states.added = ? AND skills.is_private = ?)", filter.UserID, true, false)
|
||
case "created":
|
||
query = query.Where("skills.owner_id = ?", filter.UserID)
|
||
if filter.LibraryCategoryID != "" || filter.LibraryUncategorized {
|
||
query = query.Joins("LEFT JOIN user_skill_states ON user_skill_states.skill_id = skills.id AND user_skill_states.user_id = ?", filter.UserID)
|
||
}
|
||
case "favorites":
|
||
query = query.Joins("JOIN user_skill_states ON user_skill_states.skill_id = skills.id AND user_skill_states.user_id = ? AND user_skill_states.liked = ?", filter.UserID, true).
|
||
Where("skills.owner_id = ? OR skills.is_private = ?", filter.UserID, false)
|
||
default:
|
||
query = query.Where("skills.is_private = ?", false)
|
||
}
|
||
if filter.Search != "" {
|
||
pattern := "%" + strings.ToLower(filter.Search) + "%"
|
||
query = query.Joins("LEFT JOIN users skill_owners ON skill_owners.id = skills.owner_id").
|
||
Where("lower(skills.name) LIKE ? OR lower(skills.description) LIKE ? OR lower(skills.instruction) LIKE ? OR lower(skills.extra_info) LIKE ? OR lower(skills.author_name) LIKE ? OR lower(skill_owners.display_name) LIKE ? OR lower(skill_owners.username) LIKE ?", pattern, pattern, pattern, pattern, pattern, pattern, pattern)
|
||
}
|
||
if filter.Tag != "" {
|
||
query = query.Where("skills.tag = ?", filter.Tag)
|
||
}
|
||
if filter.PlatformCategoryID != "" {
|
||
query = query.Where("EXISTS ("+effectiveCurationCategory+" AND c.id = ?)", filter.PlatformCategoryID)
|
||
}
|
||
if filter.PlatformUncategorized {
|
||
query = query.Where("NOT EXISTS (" + effectiveCurationCategory + ")")
|
||
}
|
||
if filter.LibraryCategoryID != "" {
|
||
query = query.Where("user_skill_states.library_category_id = ?", filter.LibraryCategoryID)
|
||
} else if filter.LibraryUncategorized {
|
||
query = query.Where("COALESCE(user_skill_states.library_category_id, '') = ''")
|
||
}
|
||
// 用户状态按用户和技能唯一，列表 JOIN 不会重复；不要设置 DISTINCT，避免 GORM 将其带入 PostgreSQL 的热门排序查询。
|
||
var total int64
|
||
if err := query.Count(&total).Error; err != nil {
|
||
return nil, 0, err
|
||
}
|
||
order := "skills.sort_weight desc, skills.updated_at desc"
|
||
switch filter.Sort {
|
||
case "new":
|
||
order = "skills.created_at desc"
|
||
case "popular":
|
||
order = "(skills.initial_added_count + (SELECT COUNT(*) FROM user_skill_states metric_states WHERE metric_states.skill_id = skills.id AND metric_states.added = true)) desc, skills.updated_at desc"
|
||
}
|
||
var skills []model.Skill
|
||
err := query.Select("skills.*").Order(order).Limit(filter.Limit).Offset(filter.Offset).Find(&skills).Error
|
||
return skills, total, err
|
||
}
|
||
|
||
// 内置技能使用稳定的外部技能 ID 幂等更新，用户加入和收藏关系保留在独立状态表中。
|
||
func (r *Repository) UpsertBuiltinSkills(skills []model.Skill) error {
|
||
if len(skills) == 0 {
|
||
return errors.New("builtin skills are empty")
|
||
}
|
||
return r.db.Clauses(clause.OnConflict{
|
||
Columns: []clause.Column{{Name: "id"}},
|
||
DoUpdates: clause.AssignmentColumns([]string{
|
||
"owner_id", "author_name", "author_avatar_url", "name", "description", "instruction", "status", "source", "tag", "sort_weight", "is_private",
|
||
"markdown_url", "showcase_media_json", "extra_info", "initial_like_count", "initial_added_count", "created_at", "updated_at",
|
||
}),
|
||
}).Create(&skills).Error
|
||
}
|
||
|
||
func (r *Repository) Skill(id string) (*model.Skill, error) {
|
||
var skill model.Skill
|
||
if err := r.db.First(&skill, "id = ? AND status = ?", id, 1).Error; err != nil {
|
||
return nil, err
|
||
}
|
||
return &skill, nil
|
||
}
|
||
|
||
func (r *Repository) CreateSkill(skill *model.Skill, ownerState *model.UserSkillState) error {
|
||
return r.db.Transaction(func(tx *gorm.DB) error {
|
||
if err := tx.Create(skill).Error; err != nil {
|
||
return err
|
||
}
|
||
return tx.Create(ownerState).Error
|
||
})
|
||
}
|
||
|
||
func (r *Repository) DeleteSkill(id string) error {
|
||
return r.db.Transaction(func(tx *gorm.DB) error {
|
||
var locked model.Skill
|
||
if err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).First(&locked, "id = ?", id).Error; err != nil {
|
||
return err
|
||
}
|
||
if err := tx.Delete(&model.SkillCurationAssignment{}, "skill_id = ?", id).Error; err != nil {
|
||
return err
|
||
}
|
||
if err := tx.Delete(&model.UserSkillState{}, "skill_id = ?", id).Error; err != nil {
|
||
return err
|
||
}
|
||
var versions []model.SkillVersion
|
||
if err := tx.Where("skill_id = ?", id).Find(&versions).Error; err != nil {
|
||
return err
|
||
}
|
||
versionIDs := make([]string, 0, len(versions))
|
||
for _, version := range versions {
|
||
versionIDs = append(versionIDs, version.ID)
|
||
}
|
||
if len(versionIDs) > 0 {
|
||
if err := tx.Delete(&model.SkillFile{}, "skill_version_id IN ?", versionIDs).Error; err != nil {
|
||
return err
|
||
}
|
||
}
|
||
if err := tx.Delete(&model.SkillVersion{}, "skill_id = ?", id).Error; err != nil {
|
||
return err
|
||
}
|
||
return tx.Delete(&model.Skill{}, "id = ?", id).Error
|
||
})
|
||
}
|
||
|
||
func (r *Repository) UserSkillState(userID string, skillID string) (*model.UserSkillState, error) {
|
||
var state model.UserSkillState
|
||
if err := r.db.First(&state, "user_id = ? AND skill_id = ?", userID, skillID).Error; err != nil {
|
||
if errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return nil, nil
|
||
}
|
||
return nil, err
|
||
}
|
||
return &state, nil
|
||
}
|
||
|
||
func (r *Repository) UserSkillStatesBySkillIDs(userID string, skillIDs []string) ([]model.UserSkillState, error) {
|
||
if len(skillIDs) == 0 {
|
||
return nil, nil
|
||
}
|
||
var states []model.UserSkillState
|
||
err := r.db.Find(&states, "user_id = ? AND skill_id IN ?", userID, skillIDs).Error
|
||
return states, err
|
||
}
|
||
|
||
func (r *Repository) SetUserSkillAdded(state *model.UserSkillState) error {
|
||
return r.db.Clauses(clause.OnConflict{
|
||
Columns: []clause.Column{{Name: "user_id"}, {Name: "skill_id"}},
|
||
DoUpdates: clause.AssignmentColumns([]string{"added", "installed_version_id", "auto_update", "library_category_id", "updated_at"}),
|
||
}).Create(state).Error
|
||
}
|
||
|
||
func (r *Repository) SetUserSkillLiked(state *model.UserSkillState) error {
|
||
return r.db.Clauses(clause.OnConflict{
|
||
Columns: []clause.Column{{Name: "user_id"}, {Name: "skill_id"}},
|
||
DoUpdates: clause.AssignmentColumns([]string{"liked", "updated_at"}),
|
||
}).Create(state).Error
|
||
}
|
||
|
||
func (r *Repository) SkillMetrics(skillIDs []string) (map[string]SkillMetrics, error) {
|
||
metrics := make(map[string]SkillMetrics, len(skillIDs))
|
||
if len(skillIDs) == 0 {
|
||
return metrics, nil
|
||
}
|
||
var rows []SkillMetrics
|
||
err := r.db.Model(&model.UserSkillState{}).
|
||
Select("skill_id, SUM(CASE WHEN added THEN 1 ELSE 0 END) AS added_count, SUM(CASE WHEN liked THEN 1 ELSE 0 END) AS like_count").
|
||
Where("skill_id IN ?", skillIDs).
|
||
Group("skill_id").
|
||
Scan(&rows).Error
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
for _, item := range rows {
|
||
metrics[item.SkillID] = item
|
||
}
|
||
return metrics, nil
|
||
}
|
||
|
||
func (r *Repository) SkillOwners(ownerIDs []string) (map[string]model.User, error) {
|
||
owners := make(map[string]model.User, len(ownerIDs))
|
||
if len(ownerIDs) == 0 {
|
||
return owners, nil
|
||
}
|
||
var users []model.User
|
||
if err := r.db.Find(&users, "id IN ?", ownerIDs).Error; err != nil {
|
||
return nil, err
|
||
}
|
||
for _, user := range users {
|
||
owners[user.ID] = user
|
||
}
|
||
return owners, nil
|
||
}
|
||
|
||
func (r *Repository) SkillOwnerAvatars(ownerIDs []string) (map[string]string, error) {
|
||
avatars := make(map[string]string, len(ownerIDs))
|
||
if len(ownerIDs) == 0 {
|
||
return avatars, nil
|
||
}
|
||
var identities []model.UserIdentity
|
||
if err := r.db.Where("user_id IN ? AND avatar_url <> ''", ownerIDs).Order("updated_at desc").Find(&identities).Error; err != nil {
|
||
return nil, err
|
||
}
|
||
for _, identity := range identities {
|
||
if avatars[identity.UserID] == "" {
|
||
avatars[identity.UserID] = identity.AvatarURL
|
||
}
|
||
}
|
||
return avatars, nil
|
||
}
|