feb6999d9a
- GetGroupPlatforms failure now stores error-TTL cache and returns error (fail-close) - Frontend group-to-channel conflict map loads all channels instead of current page only - Toggle channel status reloads list when active filter would hide the changed item
462 lines
13 KiB
Go
462 lines
13 KiB
Go
package repository
|
||
|
||
import (
|
||
"context"
|
||
"database/sql"
|
||
"encoding/json"
|
||
"fmt"
|
||
"strings"
|
||
|
||
"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
|
||
"github.com/Wei-Shaw/sub2api/internal/service"
|
||
"github.com/lib/pq"
|
||
)
|
||
|
||
type channelRepository struct {
|
||
db *sql.DB
|
||
}
|
||
|
||
// NewChannelRepository 创建渠道数据访问实例
|
||
func NewChannelRepository(db *sql.DB) service.ChannelRepository {
|
||
return &channelRepository{db: db}
|
||
}
|
||
|
||
// runInTx 在事务中执行 fn，成功 commit，失败 rollback。
|
||
func (r *channelRepository) runInTx(ctx context.Context, fn func(tx *sql.Tx) error) error {
|
||
tx, err := r.db.BeginTx(ctx, nil)
|
||
if err != nil {
|
||
return fmt.Errorf("begin tx: %w", err)
|
||
}
|
||
defer func() { _ = tx.Rollback() }()
|
||
|
||
if err := fn(tx); err != nil {
|
||
return err
|
||
}
|
||
return tx.Commit()
|
||
}
|
||
|
||
func (r *channelRepository) Create(ctx context.Context, channel *service.Channel) error {
|
||
return r.runInTx(ctx, func(tx *sql.Tx) error {
|
||
modelMappingJSON, err := marshalModelMapping(channel.ModelMapping)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
err = tx.QueryRowContext(ctx,
|
||
`INSERT INTO channels (name, description, status, model_mapping, billing_model_source, restrict_models) VALUES ($1, $2, $3, $4, $5, $6)
|
||
RETURNING id, created_at, updated_at`,
|
||
channel.Name, channel.Description, channel.Status, modelMappingJSON, channel.BillingModelSource, channel.RestrictModels,
|
||
).Scan(&channel.ID, &channel.CreatedAt, &channel.UpdatedAt)
|
||
if err != nil {
|
||
if isUniqueViolation(err) {
|
||
return service.ErrChannelExists
|
||
}
|
||
return fmt.Errorf("insert channel: %w", err)
|
||
}
|
||
|
||
// 设置分组关联
|
||
if len(channel.GroupIDs) > 0 {
|
||
if err := setGroupIDsTx(ctx, tx, channel.ID, channel.GroupIDs); err != nil {
|
||
return err
|
||
}
|
||
}
|
||
|
||
// 设置模型定价
|
||
if len(channel.ModelPricing) > 0 {
|
||
if err := replaceModelPricingTx(ctx, tx, channel.ID, channel.ModelPricing); err != nil {
|
||
return err
|
||
}
|
||
}
|
||
|
||
return nil
|
||
})
|
||
}
|
||
|
||
func (r *channelRepository) GetByID(ctx context.Context, id int64) (*service.Channel, error) {
|
||
ch := &service.Channel{}
|
||
var modelMappingJSON []byte
|
||
err := r.db.QueryRowContext(ctx,
|
||
`SELECT id, name, description, status, model_mapping, billing_model_source, restrict_models, created_at, updated_at
|
||
FROM channels WHERE id = $1`, id,
|
||
).Scan(&ch.ID, &ch.Name, &ch.Description, &ch.Status, &modelMappingJSON, &ch.BillingModelSource, &ch.RestrictModels, &ch.CreatedAt, &ch.UpdatedAt)
|
||
if err == sql.ErrNoRows {
|
||
return nil, service.ErrChannelNotFound
|
||
}
|
||
if err != nil {
|
||
return nil, fmt.Errorf("get channel: %w", err)
|
||
}
|
||
ch.ModelMapping = unmarshalModelMapping(modelMappingJSON)
|
||
|
||
groupIDs, err := r.GetGroupIDs(ctx, id)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
ch.GroupIDs = groupIDs
|
||
|
||
pricing, err := r.ListModelPricing(ctx, id)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
ch.ModelPricing = pricing
|
||
|
||
return ch, nil
|
||
}
|
||
|
||
func (r *channelRepository) Update(ctx context.Context, channel *service.Channel) error {
|
||
return r.runInTx(ctx, func(tx *sql.Tx) error {
|
||
modelMappingJSON, err := marshalModelMapping(channel.ModelMapping)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
result, err := tx.ExecContext(ctx,
|
||
`UPDATE channels SET name = $1, description = $2, status = $3, model_mapping = $4, billing_model_source = $5, restrict_models = $6, updated_at = NOW()
|
||
WHERE id = $7`,
|
||
channel.Name, channel.Description, channel.Status, modelMappingJSON, channel.BillingModelSource, channel.RestrictModels, channel.ID,
|
||
)
|
||
if err != nil {
|
||
if isUniqueViolation(err) {
|
||
return service.ErrChannelExists
|
||
}
|
||
return fmt.Errorf("update channel: %w", err)
|
||
}
|
||
rows, _ := result.RowsAffected()
|
||
if rows == 0 {
|
||
return service.ErrChannelNotFound
|
||
}
|
||
|
||
// 更新分组关联
|
||
if channel.GroupIDs != nil {
|
||
if err := setGroupIDsTx(ctx, tx, channel.ID, channel.GroupIDs); err != nil {
|
||
return err
|
||
}
|
||
}
|
||
|
||
// 更新模型定价
|
||
if channel.ModelPricing != nil {
|
||
if err := replaceModelPricingTx(ctx, tx, channel.ID, channel.ModelPricing); err != nil {
|
||
return err
|
||
}
|
||
}
|
||
|
||
return nil
|
||
})
|
||
}
|
||
|
||
func (r *channelRepository) Delete(ctx context.Context, id int64) error {
|
||
result, err := r.db.ExecContext(ctx, `DELETE FROM channels WHERE id = $1`, id)
|
||
if err != nil {
|
||
return fmt.Errorf("delete channel: %w", err)
|
||
}
|
||
rows, _ := result.RowsAffected()
|
||
if rows == 0 {
|
||
return service.ErrChannelNotFound
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func (r *channelRepository) List(ctx context.Context, params pagination.PaginationParams, status, search string) ([]service.Channel, *pagination.PaginationResult, error) {
|
||
where := []string{"1=1"}
|
||
args := []any{}
|
||
argIdx := 1
|
||
|
||
if status != "" {
|
||
where = append(where, fmt.Sprintf("c.status = $%d", argIdx))
|
||
args = append(args, status)
|
||
argIdx++
|
||
}
|
||
if search != "" {
|
||
where = append(where, fmt.Sprintf("(c.name ILIKE $%d OR c.description ILIKE $%d)", argIdx, argIdx))
|
||
args = append(args, "%"+escapeLike(search)+"%")
|
||
argIdx++
|
||
}
|
||
|
||
whereClause := strings.Join(where, " AND ")
|
||
|
||
// 计数
|
||
var total int64
|
||
countQuery := fmt.Sprintf("SELECT COUNT(*) FROM channels c WHERE %s", whereClause)
|
||
if err := r.db.QueryRowContext(ctx, countQuery, args...).Scan(&total); err != nil {
|
||
return nil, nil, fmt.Errorf("count channels: %w", err)
|
||
}
|
||
|
||
pageSize := params.Limit() // 约束在 [1, 100]
|
||
page := params.Page
|
||
if page < 1 {
|
||
page = 1
|
||
}
|
||
offset := (page - 1) * pageSize
|
||
|
||
// 查询 channel 列表
|
||
dataQuery := fmt.Sprintf(
|
||
`SELECT c.id, c.name, c.description, c.status, c.model_mapping, c.billing_model_source, c.restrict_models, c.created_at, c.updated_at
|
||
FROM channels c WHERE %s ORDER BY c.id ASC LIMIT $%d OFFSET $%d`,
|
||
whereClause, argIdx, argIdx+1,
|
||
)
|
||
args = append(args, pageSize, offset)
|
||
|
||
rows, err := r.db.QueryContext(ctx, dataQuery, args...)
|
||
if err != nil {
|
||
return nil, nil, fmt.Errorf("query channels: %w", err)
|
||
}
|
||
defer func() { _ = rows.Close() }()
|
||
|
||
var channels []service.Channel
|
||
var channelIDs []int64
|
||
for rows.Next() {
|
||
var ch service.Channel
|
||
var modelMappingJSON []byte
|
||
if err := rows.Scan(&ch.ID, &ch.Name, &ch.Description, &ch.Status, &modelMappingJSON, &ch.BillingModelSource, &ch.RestrictModels, &ch.CreatedAt, &ch.UpdatedAt); err != nil {
|
||
return nil, nil, fmt.Errorf("scan channel: %w", err)
|
||
}
|
||
ch.ModelMapping = unmarshalModelMapping(modelMappingJSON)
|
||
channels = append(channels, ch)
|
||
channelIDs = append(channelIDs, ch.ID)
|
||
}
|
||
if err := rows.Err(); err != nil {
|
||
return nil, nil, fmt.Errorf("iterate channels: %w", err)
|
||
}
|
||
|
||
// 批量加载分组 ID 和模型定价（避免 N+1）
|
||
if len(channelIDs) > 0 {
|
||
groupMap, err := r.batchLoadGroupIDs(ctx, channelIDs)
|
||
if err != nil {
|
||
return nil, nil, err
|
||
}
|
||
pricingMap, err := r.batchLoadModelPricing(ctx, channelIDs)
|
||
if err != nil {
|
||
return nil, nil, err
|
||
}
|
||
for i := range channels {
|
||
channels[i].GroupIDs = groupMap[channels[i].ID]
|
||
channels[i].ModelPricing = pricingMap[channels[i].ID]
|
||
}
|
||
}
|
||
|
||
pages := 0
|
||
if total > 0 {
|
||
pages = int((total + int64(pageSize) - 1) / int64(pageSize))
|
||
}
|
||
|
||
paginationResult := &pagination.PaginationResult{
|
||
Total: total,
|
||
Page: page,
|
||
PageSize: pageSize,
|
||
Pages: pages,
|
||
}
|
||
|
||
return channels, paginationResult, nil
|
||
}
|
||
|
||
func (r *channelRepository) ListAll(ctx context.Context) ([]service.Channel, error) {
|
||
rows, err := r.db.QueryContext(ctx,
|
||
`SELECT id, name, description, status, model_mapping, billing_model_source, restrict_models, created_at, updated_at FROM channels ORDER BY id`,
|
||
)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("query all channels: %w", err)
|
||
}
|
||
defer func() { _ = rows.Close() }()
|
||
|
||
var channels []service.Channel
|
||
var channelIDs []int64
|
||
for rows.Next() {
|
||
var ch service.Channel
|
||
var modelMappingJSON []byte
|
||
if err := rows.Scan(&ch.ID, &ch.Name, &ch.Description, &ch.Status, &modelMappingJSON, &ch.BillingModelSource, &ch.RestrictModels, &ch.CreatedAt, &ch.UpdatedAt); err != nil {
|
||
return nil, fmt.Errorf("scan channel: %w", err)
|
||
}
|
||
ch.ModelMapping = unmarshalModelMapping(modelMappingJSON)
|
||
channels = append(channels, ch)
|
||
channelIDs = append(channelIDs, ch.ID)
|
||
}
|
||
if err := rows.Err(); err != nil {
|
||
return nil, fmt.Errorf("iterate channels: %w", err)
|
||
}
|
||
|
||
if len(channelIDs) == 0 {
|
||
return channels, nil
|
||
}
|
||
|
||
// 批量加载分组 ID
|
||
groupMap, err := r.batchLoadGroupIDs(ctx, channelIDs)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
// 批量加载模型定价
|
||
pricingMap, err := r.batchLoadModelPricing(ctx, channelIDs)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
for i := range channels {
|
||
channels[i].GroupIDs = groupMap[channels[i].ID]
|
||
channels[i].ModelPricing = pricingMap[channels[i].ID]
|
||
}
|
||
|
||
return channels, nil
|
||
}
|
||
|
||
// --- 批量加载辅助方法 ---
|
||
|
||
// batchLoadGroupIDs 批量加载多个渠道的分组 ID
|
||
func (r *channelRepository) batchLoadGroupIDs(ctx context.Context, channelIDs []int64) (map[int64][]int64, error) {
|
||
rows, err := r.db.QueryContext(ctx,
|
||
`SELECT channel_id, group_id FROM channel_groups
|
||
WHERE channel_id = ANY($1) ORDER BY channel_id, group_id`,
|
||
pq.Array(channelIDs),
|
||
)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("batch load group ids: %w", err)
|
||
}
|
||
defer func() { _ = rows.Close() }()
|
||
|
||
groupMap := make(map[int64][]int64, len(channelIDs))
|
||
for rows.Next() {
|
||
var channelID, groupID int64
|
||
if err := rows.Scan(&channelID, &groupID); err != nil {
|
||
return nil, fmt.Errorf("scan group id: %w", err)
|
||
}
|
||
groupMap[channelID] = append(groupMap[channelID], groupID)
|
||
}
|
||
if err := rows.Err(); err != nil {
|
||
return nil, fmt.Errorf("iterate group ids: %w", err)
|
||
}
|
||
return groupMap, nil
|
||
}
|
||
|
||
func (r *channelRepository) ExistsByName(ctx context.Context, name string) (bool, error) {
|
||
var exists bool
|
||
err := r.db.QueryRowContext(ctx,
|
||
`SELECT EXISTS(SELECT 1 FROM channels WHERE name = $1)`, name,
|
||
).Scan(&exists)
|
||
return exists, err
|
||
}
|
||
|
||
func (r *channelRepository) ExistsByNameExcluding(ctx context.Context, name string, excludeID int64) (bool, error) {
|
||
var exists bool
|
||
err := r.db.QueryRowContext(ctx,
|
||
`SELECT EXISTS(SELECT 1 FROM channels WHERE name = $1 AND id != $2)`, name, excludeID,
|
||
).Scan(&exists)
|
||
return exists, err
|
||
}
|
||
|
||
// --- 分组关联 ---
|
||
|
||
func (r *channelRepository) GetGroupIDs(ctx context.Context, channelID int64) ([]int64, error) {
|
||
rows, err := r.db.QueryContext(ctx,
|
||
`SELECT group_id FROM channel_groups WHERE channel_id = $1 ORDER BY group_id`, channelID,
|
||
)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("get group ids: %w", err)
|
||
}
|
||
defer func() { _ = rows.Close() }()
|
||
|
||
var ids []int64
|
||
for rows.Next() {
|
||
var id int64
|
||
if err := rows.Scan(&id); err != nil {
|
||
return nil, fmt.Errorf("scan group id: %w", err)
|
||
}
|
||
ids = append(ids, id)
|
||
}
|
||
if err := rows.Err(); err != nil {
|
||
return nil, fmt.Errorf("iterate group ids: %w", err)
|
||
}
|
||
return ids, nil
|
||
}
|
||
|
||
func (r *channelRepository) SetGroupIDs(ctx context.Context, channelID int64, groupIDs []int64) error {
|
||
return setGroupIDsTx(ctx, r.db, channelID, groupIDs)
|
||
}
|
||
|
||
func (r *channelRepository) GetChannelIDByGroupID(ctx context.Context, groupID int64) (int64, error) {
|
||
var channelID int64
|
||
err := r.db.QueryRowContext(ctx,
|
||
`SELECT channel_id FROM channel_groups WHERE group_id = $1`, groupID,
|
||
).Scan(&channelID)
|
||
if err == sql.ErrNoRows {
|
||
return 0, nil
|
||
}
|
||
return channelID, err
|
||
}
|
||
|
||
func (r *channelRepository) GetGroupsInOtherChannels(ctx context.Context, channelID int64, groupIDs []int64) ([]int64, error) {
|
||
if len(groupIDs) == 0 {
|
||
return nil, nil
|
||
}
|
||
rows, err := r.db.QueryContext(ctx,
|
||
`SELECT group_id FROM channel_groups WHERE group_id = ANY($1) AND channel_id != $2`,
|
||
pq.Array(groupIDs), channelID,
|
||
)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("get groups in other channels: %w", err)
|
||
}
|
||
defer func() { _ = rows.Close() }()
|
||
|
||
var conflicting []int64
|
||
for rows.Next() {
|
||
var id int64
|
||
if err := rows.Scan(&id); err != nil {
|
||
return nil, fmt.Errorf("scan conflicting group id: %w", err)
|
||
}
|
||
conflicting = append(conflicting, id)
|
||
}
|
||
if err := rows.Err(); err != nil {
|
||
return nil, fmt.Errorf("iterate conflicting group ids: %w", err)
|
||
}
|
||
return conflicting, nil
|
||
}
|
||
|
||
// marshalModelMapping 将 model mapping 序列化为嵌套 JSON 字节
|
||
// 格式：{"platform": {"src": "dst"}, ...}
|
||
func marshalModelMapping(m map[string]map[string]string) ([]byte, error) {
|
||
if len(m) == 0 {
|
||
return []byte("{}"), nil
|
||
}
|
||
data, err := json.Marshal(m)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("marshal model_mapping: %w", err)
|
||
}
|
||
return data, nil
|
||
}
|
||
|
||
// unmarshalModelMapping 将 JSON 字节反序列化为嵌套 model mapping
|
||
func unmarshalModelMapping(data []byte) map[string]map[string]string {
|
||
if len(data) == 0 {
|
||
return nil
|
||
}
|
||
var m map[string]map[string]string
|
||
if err := json.Unmarshal(data, &m); err != nil {
|
||
return nil
|
||
}
|
||
return m
|
||
}
|
||
|
||
// GetGroupPlatforms 批量查询分组 ID 对应的平台
|
||
func (r *channelRepository) GetGroupPlatforms(ctx context.Context, groupIDs []int64) (map[int64]string, error) {
|
||
if len(groupIDs) == 0 {
|
||
return make(map[int64]string), nil
|
||
}
|
||
rows, err := r.db.QueryContext(ctx,
|
||
`SELECT id, platform FROM groups WHERE id = ANY($1)`,
|
||
pq.Array(groupIDs),
|
||
)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("get group platforms: %w", err)
|
||
}
|
||
defer rows.Close() //nolint:errcheck
|
||
|
||
result := make(map[int64]string, len(groupIDs))
|
||
for rows.Next() {
|
||
var id int64
|
||
var platform string
|
||
if err := rows.Scan(&id, &platform); err != nil {
|
||
return nil, fmt.Errorf("scan group platform: %w", err)
|
||
}
|
||
result[id] = platform
|
||
}
|
||
if err := rows.Err(); err != nil {
|
||
return nil, fmt.Errorf("iterate group platforms: %w", err)
|
||
}
|
||
return result, nil
|
||
}
|