yyewolf/bar

package mongo

import (
    "bar/internal/models"
    "context"

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

func (b *Backend) GetRestocks(ctx context.Context, accountID string, page uint64, size uint64) ([]*models.Restock, error) {
    ctx, cancel := b.TimeoutContext(ctx)
    defer cancel()

    filter := bson.M{
        "account_id": accountID,
    }

    // Get "size" restocks from "page" using aggregation
    var restocks []*models.Restock
    cursor, err := b.db.Collection(RestocksCollection).Find(ctx, filter, options.Find().SetSkip(int64(page*size)).SetLimit(int64(size)).SetSort(bson.M{"created_at": -1}))
    if err != nil {
        return nil, err
    }

    // Decode each account
    if err := cursor.All(ctx, &restocks); err != nil {
        return nil, err
    }

    return restocks, nil
}

func (b *Backend) CountRestocks(ctx context.Context, accountID string) (uint64, error) {
    ctx, cancel := b.TimeoutContext(ctx)
    defer cancel()

    filter := bson.M{
        "account_id": accountID,
    }

    count, err := b.db.Collection(RestocksCollection).CountDocuments(ctx, filter)
    if err != nil {
        return 0, err
    }

    return uint64(count), nil
}

func (b *Backend) GetAllRestocks(ctx context.Context, page uint64, size uint64) ([]*models.Restock, error) {
    ctx, cancel := b.TimeoutContext(ctx)
    defer cancel()

    filter := bson.M{
        "$or": []bson.M{
            {
                "deleted_at": bson.M{
                    "$exists": false,
                },
            },
            {
                "deleted_at": nil,
            },
        },
    }

    // Get "size" restocks from "page" using aggregation
    var restocks []*models.Restock
    cursor, err := b.db.Collection(RestocksCollection).Find(ctx, filter, options.Find().SetSkip(int64(page*size)).SetLimit(int64(size)).SetSort(bson.M{"created_at": -1}))
    if err != nil {
        return nil, err
    }

    // Decode each account
    if err := cursor.All(ctx, &restocks); err != nil {
        return nil, err
    }

    return restocks, nil
}

func (b *Backend) CountAllRestocks(ctx context.Context) (uint64, error) {
    ctx, cancel := b.TimeoutContext(ctx)
    defer cancel()

    filter := bson.M{
        "$or": []bson.M{
            {
                "deleted_at": bson.M{
                    "$exists": false,
                },
            },
            {
                "deleted_at": nil,
            },
        },
    }

    count, err := b.db.Collection(RestocksCollection).CountDocuments(ctx, filter)
    if err != nil {
        return 0, err
    }

    return uint64(count), nil
}