coze-studio/backend/domain/template/internal/dal/template.go

130 lines
3.0 KiB
Go

/*
* Copyright 2025 coze-dev Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package dal
import (
"context"
"fmt"
"sync"
"gorm.io/gorm"
"github.com/coze-dev/coze-studio/backend/domain/template/entity"
"github.com/coze-dev/coze-studio/backend/domain/template/internal/dal/model"
"github.com/coze-dev/coze-studio/backend/domain/template/internal/dal/query"
"github.com/coze-dev/coze-studio/backend/infra/contract/idgen"
)
var (
once sync.Once
singletonTemplate *TemplateImpl
)
type TemplateImpl struct {
IDGen idgen.IDGenerator
query *query.Query
}
func NewTemplateDAO(db *gorm.DB, idGen idgen.IDGenerator) *TemplateImpl {
once.Do(func() {
singletonTemplate = &TemplateImpl{
IDGen: idGen,
query: query.Use(db),
}
})
return singletonTemplate
}
// Create implements TemplateRepository.Create
func (t *TemplateImpl) Create(ctx context.Context, template *model.Template) (int64, error) {
if template.ID == 0 {
id, err := t.IDGen.GenID(ctx)
if err != nil {
return 0, err
}
template.ID = id
}
err := t.query.Template.WithContext(ctx).Create(template)
if err != nil {
return 0, err
}
return template.ID, nil
}
// List lists templates with filters
func (t *TemplateImpl) List(ctx context.Context, filter *entity.TemplateFilter, page *entity.Pagination, orderByField string) ([]*model.Template, int64, error) {
res := t.query.Template
q := res.WithContext(ctx)
// Add filter conditions
if filter != nil {
if filter.AgentID != nil {
q = q.Where(res.AgentID.Eq(*filter.AgentID))
}
if filter.SpaceID != nil {
q = q.Where(res.SpaceID.Eq(*filter.SpaceID))
}
if filter.ProductEntityType != nil {
q = q.Where(res.ProductEntityType.Eq(*filter.ProductEntityType))
}
}
// Get total count
count, err := q.Count()
if err != nil {
return nil, 0, fmt.Errorf("count templates failed: %v", err)
}
// Apply pagination
limit := int64(50) // default limit
if page != nil && page.Limit > 0 {
limit = int64(page.Limit)
}
offset := 0
if page != nil && page.Offset > 0 {
offset = page.Offset
}
if len(orderByField) > 0 {
switch orderByField {
case "created_at":
q = q.Order(res.CreatedAt.Desc())
case "heat":
q = q.Order(res.Heat.Desc())
default:
q = q.Order(res.CreatedAt.Desc())
}
} else {
q = q.Order(res.CreatedAt.Desc())
}
// Execute query with pagination
records, err := q.Limit(int(limit)).Offset(offset).Find()
if err != nil {
return nil, 0, fmt.Errorf("list templates failed: %v", err)
}
return records, count, nil
}