66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
package main
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import (
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"github.com/gofrs/uuid"
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"github.com/knadh/listmonk/models"
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"github.com/lib/pq"
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)
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// runnerDB implements runner.DataSource over the primary
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// database.
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type runnerDB struct {
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queries *Queries
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}
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func newManagerDB(q *Queries) *runnerDB {
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return &runnerDB{
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queries: q,
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}
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}
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// NextCampaigns retrieves active campaigns ready to be processed.
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func (r *runnerDB) NextCampaigns(excludeIDs []int64) ([]*models.Campaign, error) {
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var out []*models.Campaign
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err := r.queries.NextCampaigns.Select(&out, pq.Int64Array(excludeIDs))
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return out, err
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}
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// NextSubscribers retrieves a subset of subscribers of a given campaign.
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// Since batches are processed sequentially, the retrieval is ordered by ID,
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// and every batch takes the last ID of the last batch and fetches the next
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// batch above that.
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func (r *runnerDB) NextSubscribers(campID, limit int) ([]models.Subscriber, error) {
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var out []models.Subscriber
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err := r.queries.NextCampaignSubscribers.Select(&out, campID, limit)
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return out, err
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}
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// GetCampaign fetches a campaign from the database.
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func (r *runnerDB) GetCampaign(campID int) (*models.Campaign, error) {
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var out = &models.Campaign{}
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err := r.queries.GetCampaign.Get(out, campID)
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return out, err
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}
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// UpdateCampaignStatus updates a campaign's status.
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func (r *runnerDB) UpdateCampaignStatus(campID int, status string) error {
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_, err := r.queries.UpdateCampaignStatus.Exec(campID, status)
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return err
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}
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// CreateLink registers a URL with a UUID for tracking clicks and returns the UUID.
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func (r *runnerDB) CreateLink(url string) (string, error) {
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// Create a new UUID for the URL. If the URL already exists in the DB
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// the UUID in the database is returned.
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uu, err := uuid.NewV4()
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if err != nil {
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return "", err
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}
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var out string
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if err := r.queries.CreateLink.Get(&out, uu, url); err != nil {
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return "", err
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}
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return out, nil
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}
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