74 lines
2.2 KiB
Go
74 lines
2.2 KiB
Go
package main
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import (
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"github.com/knadh/listmonk/models"
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"github.com/lib/pq"
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uuid "github.com/satori/go.uuid"
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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 newRunnerDB(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.GetCampaigns.Get(out, campID, "", 0, 1)
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return out, err
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}
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// PauseCampaign marks a campaign as paused.
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func (r *runnerDB) PauseCampaign(campID int) error {
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_, err := r.queries.UpdateCampaignStatus.Exec(campID, models.CampaignStatusPaused)
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return err
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}
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// CancelCampaign marks a campaign as cancelled.
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func (r *runnerDB) CancelCampaign(campID int) error {
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_, err := r.queries.UpdateCampaignStatus.Exec(campID, models.CampaignStatusCancelled)
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return err
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}
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// FinishCampaign marks a campaign as finished.
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func (r *runnerDB) FinishCampaign(campID int) error {
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_, err := r.queries.UpdateCampaignStatus.Exec(campID, models.CampaignStatusFinished)
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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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var uu string
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if err := r.queries.CreateLink.Get(&uu, uuid.NewV4(), url); err != nil {
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return "", err
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}
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return uu, nil
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}
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