thread-master/backend/internal/model/publish_queue/repository/mongo.go

package repository

import (
	"context"
	"strings"

	app "haixun-backend/internal/library/errors"
	"haixun-backend/internal/library/errors/code"
	"haixun-backend/internal/model/publish_queue/domain/entity"
	domrepo "haixun-backend/internal/model/publish_queue/domain/repository"

	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"
)

type mongoRepository struct {
	collection *mongo.Collection
}

func NewMongoRepository(db *mongo.Database) domrepo.Repository {
	if db == nil {
		return &mongoRepository{}
	}
	return &mongoRepository{collection: db.Collection(entity.CollectionName)}
}

func (r *mongoRepository) EnsureIndexes(ctx context.Context) error {
	if r.collection == nil {
		return nil
	}
	_, err := r.collection.Indexes().CreateMany(ctx, []mongo.IndexModel{
		{
			Keys: bson.D{
				{Key: "tenant_id", Value: 1},
				{Key: "owner_uid", Value: 1},
				{Key: "account_id", Value: 1},
				{Key: "status", Value: 1},
				{Key: "scheduled_at", Value: 1},
			},
		},
	})
	return err
}

func actorFilter(tenantID, ownerUID, accountID string) bson.M {
	filter := bson.M{
		"tenant_id": strings.TrimSpace(tenantID),
		"owner_uid": strings.TrimSpace(ownerUID),
	}
	if accountID = strings.TrimSpace(accountID); accountID != "" {
		filter["account_id"] = accountID
	}
	return filter
}

func normalizePage(page, pageSize int) (int, int) {
	if page <= 0 {
		page = 1
	}
	if pageSize <= 0 {
		pageSize = 10
	}
	if pageSize > 50 {
		pageSize = 50
	}
	return page, pageSize
}

func (r *mongoRepository) Create(ctx context.Context, item *entity.QueueItem) error {
	if r.collection == nil {
		return app.For(code.ThreadsAccount).DBUnavailable("Mongo is not configured")
	}
	if item == nil {
		return app.For(code.ThreadsAccount).InputMissingRequired("queue item is required")
	}
	_, err := r.collection.InsertOne(ctx, item)
	return err
}

func (r *mongoRepository) Get(ctx context.Context, tenantID, ownerUID, accountID, queueID string) (*entity.QueueItem, error) {
	if r.collection == nil {
		return nil, app.For(code.ThreadsAccount).DBUnavailable("Mongo is not configured")
	}
	queueID = strings.TrimSpace(queueID)
	if queueID == "" {
		return nil, app.For(code.ThreadsAccount).InputMissingRequired("queue id is required")
	}
	filter := actorFilter(tenantID, ownerUID, accountID)
	filter["_id"] = queueID
	var out entity.QueueItem
	err := r.collection.FindOne(ctx, filter).Decode(&out)
	if err != nil {
		if err == mongo.ErrNoDocuments {
			return nil, app.For(code.ThreadsAccount).ResNotFound("publish queue item not found")
		}
		return nil, err
	}
	return &out, nil
}

func (r *mongoRepository) List(ctx context.Context, filter domrepo.ListFilter, page, pageSize int) (*domrepo.ListResult, error) {
	if r.collection == nil {
		return nil, app.For(code.ThreadsAccount).DBUnavailable("Mongo is not configured")
	}
	page, pageSize = normalizePage(page, pageSize)
	mongoFilter := actorFilter(filter.TenantID, filter.OwnerUID, filter.AccountID)
	if status := strings.TrimSpace(filter.Status); status != "" {
		mongoFilter["status"] = status
	}
	total, err := r.collection.CountDocuments(ctx, mongoFilter)
	if err != nil {
		return nil, err
	}
	opts := options.Find().
		SetSort(bson.D{{Key: "scheduled_at", Value: -1}}).
		SetSkip(int64((page - 1) * pageSize)).
		SetLimit(int64(pageSize))
	cur, err := r.collection.Find(ctx, mongoFilter, opts)
	if err != nil {
		return nil, err
	}
	defer cur.Close(ctx)
	var items []entity.QueueItem
	if err := cur.All(ctx, &items); err != nil {
		return nil, err
	}
	return &domrepo.ListResult{Items: items, Total: total}, nil
}

func (r *mongoRepository) ListDue(ctx context.Context, now int64, limit int) ([]entity.QueueItem, error) {
	if r.collection == nil {
		return nil, app.For(code.ThreadsAccount).DBUnavailable("Mongo is not configured")
	}
	if limit <= 0 {
		limit = 20
	}
	filter := bson.M{
		"status":       entity.StatusScheduled,
		"scheduled_at": bson.M{"$lte": now},
	}
	opts := options.Find().
		SetSort(bson.D{{Key: "scheduled_at", Value: 1}}).
		SetLimit(int64(limit))
	cur, err := r.collection.Find(ctx, filter, opts)
	if err != nil {
		return nil, err
	}
	defer cur.Close(ctx)
	var items []entity.QueueItem
	if err := cur.All(ctx, &items); err != nil {
		return nil, err
	}
	return items, nil
}

func (r *mongoRepository) UpdateIfStatus(ctx context.Context, item *entity.QueueItem, allowed []string) (*entity.QueueItem, error) {
	if r.collection == nil {
		return nil, app.For(code.ThreadsAccount).DBUnavailable("Mongo is not configured")
	}
	if item == nil || item.ID == "" {
		return nil, app.For(code.ThreadsAccount).InputMissingRequired("queue item is required")
	}
	filter := bson.M{
		"_id":    item.ID,
		"status": bson.M{"$in": allowed},
	}
	res, err := r.collection.ReplaceOne(ctx, filter, item)
	if err != nil {
		return nil, err
	}
	if res.MatchedCount == 0 {
		return nil, app.For(code.ThreadsAccount).ResInvalidState("queue item status changed; update rejected")
	}
	return item, nil
}

func (r *mongoRepository) Update(ctx context.Context, item *entity.QueueItem) (*entity.QueueItem, error) {
	if r.collection == nil {
		return nil, app.For(code.ThreadsAccount).DBUnavailable("Mongo is not configured")
	}
	if item == nil || item.ID == "" {
		return nil, app.For(code.ThreadsAccount).InputMissingRequired("queue item is required")
	}
	filter := bson.M{"_id": item.ID}
	res, err := r.collection.ReplaceOne(ctx, filter, item)
	if err != nil {
		return nil, err
	}
	if res.MatchedCount == 0 {
		return nil, app.For(code.ThreadsAccount).ResNotFound("publish queue item not found")
	}
	return item, nil
}

func (r *mongoRepository) Delete(ctx context.Context, tenantID, ownerUID, accountID, queueID string) error {
	if r.collection == nil {
		return app.For(code.ThreadsAccount).DBUnavailable("Mongo is not configured")
	}
	queueID = strings.TrimSpace(queueID)
	if queueID == "" {
		return app.For(code.ThreadsAccount).InputMissingRequired("queue id is required")
	}
	filter := actorFilter(tenantID, ownerUID, accountID)
	filter["_id"] = queueID
	res, err := r.collection.DeleteOne(ctx, filter)
	if err != nil {
		return err
	}
	if res.DeletedCount == 0 {
		return app.For(code.ThreadsAccount).ResNotFound("publish queue item not found")
	}
	return nil
}

func (r *mongoRepository) CountByStatus(ctx context.Context, tenantID, ownerUID, accountID, status string) (int64, error) {
	if r.collection == nil {
		return 0, app.For(code.ThreadsAccount).DBUnavailable("Mongo is not configured")
	}
	filter := actorFilter(tenantID, ownerUID, accountID)
	filter["status"] = strings.TrimSpace(status)
	return r.collection.CountDocuments(ctx, filter)
}