90 lines
2.6 KiB
Go
90 lines
2.6 KiB
Go
package repo
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import (
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"context"
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"encoding/json"
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"time"
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"backend/internal/model"
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"gorm.io/datatypes"
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"gorm.io/gorm"
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)
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type ModelRepository struct {
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db *gorm.DB
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}
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func NewModelRepository(db *gorm.DB) *ModelRepository {
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return &ModelRepository{db: db}
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}
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// IncrementGenerationCount bumps a model's persistent success counter by 1.
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// Best-effort: a missing model id is a no-op (0 rows affected, no error).
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func (r *ModelRepository) IncrementGenerationCount(ctx context.Context, modelID string) error {
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return r.db.WithContext(ctx).Model(&model.ModelConfig{}).
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Where("id = ?", modelID).
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UpdateColumn("generation_count", gorm.Expr("generation_count + 1")).Error
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}
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func (r *ModelRepository) List(ctx context.Context) ([]model.ModelConfig, error) {
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var items []model.ModelConfig
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// Higher weight floats to the top of the dropdown / admin list; ties fall
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// back to newest-first so order stays stable for equal-weight models.
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if err := r.db.WithContext(ctx).Order("weight desc, created_at desc").Find(&items).Error; err != nil {
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return nil, err
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}
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return items, nil
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}
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func (r *ModelRepository) Get(ctx context.Context, modelID string) (*model.ModelConfig, error) {
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var item model.ModelConfig
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if err := r.db.WithContext(ctx).First(&item, "(alias <> '' AND alias = ?) OR (alias = '' AND id = ?)", modelID, modelID).Error; err != nil {
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return nil, err
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}
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return &item, nil
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}
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func (r *ModelRepository) NameMap(ctx context.Context) (map[string]string, error) {
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items, err := r.List(ctx)
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if err != nil {
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return nil, err
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}
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out := make(map[string]string, len(items))
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for _, item := range items {
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out[item.ID] = item.EffectiveName()
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}
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return out, nil
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}
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func JSONStrings(v datatypes.JSON) []string {
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if len(v) == 0 {
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return []string{}
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}
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var out []string
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if err := json.Unmarshal([]byte(v), &out); err == nil {
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return out
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}
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return []string{}
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}
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func (r *ModelRepository) Create(ctx context.Context, item *model.ModelConfig) error {
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return r.db.WithContext(ctx).Create(item).Error
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}
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func (r *ModelRepository) Update(ctx context.Context, modelID string, patch map[string]any) (*model.ModelConfig, error) {
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patch["updated_at"] = time.Now()
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if err := r.db.WithContext(ctx).Model(&model.ModelConfig{}).Where("id = ?", modelID).Updates(patch).Error; err != nil {
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return nil, err
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}
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var item model.ModelConfig
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if err := r.db.WithContext(ctx).First(&item, "id = ?", modelID).Error; err != nil {
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return nil, err
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}
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return &item, nil
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}
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func (r *ModelRepository) Delete(ctx context.Context, modelID string) (int64, error) {
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res := r.db.WithContext(ctx).Delete(&model.ModelConfig{}, "id = ?", modelID)
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return res.RowsAffected, res.Error
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}
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