Use ON CONFLICT DO NOTHING for all INSERT queries
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parent
77031ef602
commit
31b1769a93
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@ -3,25 +3,20 @@ package db
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import (
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"context"
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"github.com/lib/pq"
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"gitea.theedgeofrage.com/TheEdgeOfRage/ytrssil-api/models"
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)
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var createChannelQuery = `INSERT INTO channels (id, name) VALUES ($1, $2)`
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var createChannelQuery = `INSERT INTO channels (id, name) VALUES ($1, $2) ON CONFLICT DO NOTHING`
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func (d *postgresDB) CreateChannel(ctx context.Context, channel models.Channel) error {
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_, err := d.db.ExecContext(ctx, createChannelQuery, channel.ID, channel.Name)
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resp, err := d.db.ExecContext(ctx, createChannelQuery, channel.ID, channel.Name)
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if err != nil {
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if pgerr, ok := err.(*pq.Error); ok {
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if pgerr.Code == "23505" {
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return ErrChannelExists
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}
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}
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d.l.Log("level", "ERROR", "function", "db.CreateChannel", "error", err)
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return err
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}
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if affected, _ := resp.RowsAffected(); affected == 0 {
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return ErrChannelExists
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}
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return nil
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}
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@ -74,19 +69,23 @@ func (d *postgresDB) GetChannelSubscribers(ctx context.Context, channelID string
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return subs, nil
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}
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var subscribeUserToChannelQuery = `INSERT INTO user_subscriptions (username, channel_id) VALUES ($1, $2)`
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var subscribeUserToChannelQuery = `
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INSERT INTO user_subscriptions (
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username
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, channel_id
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) VALUES ($1, $2)
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ON CONFLICT DO NOTHING
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`
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func (d *postgresDB) SubscribeUserToChannel(ctx context.Context, username string, channelID string) error {
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_, err := d.db.ExecContext(ctx, subscribeUserToChannelQuery, username, channelID)
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resp, err := d.db.ExecContext(ctx, subscribeUserToChannelQuery, username, channelID)
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if err != nil {
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if pgerr, ok := err.(*pq.Error); ok {
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if pgerr.Code == "23505" {
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return ErrAlreadySubscribed
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}
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}
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d.l.Log("level", "ERROR", "function", "db.SubscribeUserToChannel", "error", err)
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return err
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}
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if affected, _ := resp.RowsAffected(); affected == 0 {
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return ErrAlreadySubscribed
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}
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return nil
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}
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14
db/users.go
14
db/users.go
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@ -6,7 +6,6 @@ import (
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"errors"
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"github.com/alexedwards/argon2id"
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"github.com/lib/pq"
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"gitea.theedgeofrage.com/TheEdgeOfRage/ytrssil-api/models"
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)
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@ -35,20 +34,19 @@ func (d *postgresDB) AuthenticateUser(ctx context.Context, user models.User) (bo
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return match, nil
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}
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var createUserQuery = `INSERT INTO users (username, password) VALUES ($1, $2)`
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var createUserQuery = `INSERT INTO users (username, password) VALUES ($1, $2) ON CONFLICT DO NOTHING`
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func (d *postgresDB) CreateUser(ctx context.Context, user models.User) error {
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_, err := d.db.ExecContext(ctx, createUserQuery, user.Username, user.Password)
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resp, err := d.db.ExecContext(ctx, createUserQuery, user.Username, user.Password)
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if err != nil {
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if pgerr, ok := err.(*pq.Error); ok {
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if pgerr.Code == "23505" {
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return ErrUserExists
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}
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}
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d.l.Log("level", "ERROR", "function", "db.CreateUser", "error", err)
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return err
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}
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if affected, _ := resp.RowsAffected(); affected == 0 {
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return ErrUserExists
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}
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return nil
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}
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23
db/videos.go
23
db/videos.go
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@ -5,7 +5,6 @@ import (
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"time"
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"gitea.theedgeofrage.com/TheEdgeOfRage/ytrssil-api/models"
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"github.com/lib/pq"
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)
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var getNewVideosQuery = `
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@ -98,24 +97,30 @@ func (d *postgresDB) GetWatchedVideos(ctx context.Context, username string) ([]m
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return videos, nil
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}
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var addVideoQuery = `INSERT INTO videos (id, title, published_timestamp, channel_id) VALUES ($1, $2, $3, $4)`
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var addVideoQuery = `
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INSERT INTO videos (
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id
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, title
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, published_timestamp
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, channel_id
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) VALUES ($1, $2, $3, $4)
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ON CONFLICT DO NOTHING
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`
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func (d *postgresDB) AddVideo(ctx context.Context, video models.Video, channelID string) error {
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_, err := d.db.ExecContext(ctx, addVideoQuery, video.ID, video.Title, video.PublishedTime, channelID)
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resp, err := d.db.ExecContext(ctx, addVideoQuery, video.ID, video.Title, video.PublishedTime, channelID)
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if err != nil {
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if pgerr, ok := err.(*pq.Error); ok {
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if pgerr.Code == "23505" {
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return ErrVideoExists
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}
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}
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d.l.Log("level", "ERROR", "function", "db.AddVideo", "call", "sql.Exec", "error", err)
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return err
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}
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if affected, _ := resp.RowsAffected(); affected == 0 {
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return ErrVideoExists
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}
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return nil
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}
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var addVideoToUserQuery = `INSERT INTO user_videos (username, video_id) VALUES ($1, $2)`
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var addVideoToUserQuery = `INSERT INTO user_videos (username, video_id) VALUES ($1, $2) ON CONFLICT DO NOTHING`
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func (d *postgresDB) AddVideoToUser(ctx context.Context, username string, videoID string) error {
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_, err := d.db.ExecContext(ctx, addVideoToUserQuery, username, videoID)
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