115 lines
3.0 KiB
Go
115 lines
3.0 KiB
Go
package sqlitestore
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import (
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"context"
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_ "embed"
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"fmt"
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"time"
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"zombiezen.com/go/sqlite/sqlitex"
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"git.sunturtle.xyz/zephyr/kaiyan/emote"
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)
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type Store struct {
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pool *sqlitex.Pool
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}
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//go:embed schema.sql
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var schemaSQL string
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//go:embed metrics.sql
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var metricsSQL string
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// Open creates a metrics store using db as its underlying storage.
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// It initializes the schema used for Kaiyan.
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func Open(ctx context.Context, db *sqlitex.Pool) (*Store, error) {
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conn, err := db.Take(ctx)
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defer db.Put(conn)
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if err != nil {
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return nil, fmt.Errorf("couldn't get connection from pool: %w", err)
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}
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if err := sqlitex.ExecuteScript(conn, schemaSQL, nil); err != nil {
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return nil, fmt.Errorf("couldn't run migration: %w", err)
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}
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st := Store{db}
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return &st, nil
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}
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// Close closes the database.
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func (db *Store) Close() error {
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return db.pool.Close()
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}
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// Record stores the emotes in a given message.
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func (db *Store) Record(ctx context.Context, channel, message, sender string, tm time.Time, emotes []emote.Emote) (err error) {
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conn, err := db.pool.Take(ctx)
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defer db.pool.Put(conn)
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if err != nil {
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return fmt.Errorf("couldn't get connection to record emotes: %w", err)
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}
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defer sqlitex.Transaction(conn)(&err)
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st, err := conn.Prepare(`INSERT INTO emote (channel, message, time, sender, id, name, source, link, image) VALUES (:channel, :message, :time, :sender, :id, :name, :source, :link, :image)`)
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if err != nil {
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return fmt.Errorf("couldn't prepare emote insert: %w", err)
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}
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st.SetText(":channel", channel)
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st.SetText(":message", message)
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st.SetInt64(":time", tm.UnixNano())
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st.SetText(":sender", sender)
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for _, em := range emotes {
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st.SetText(":id", em.ID)
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st.SetText(":name", em.Name)
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st.SetText(":source", em.Source)
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st.SetText(":link", em.Link)
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st.SetText(":image", em.Image)
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_, err := st.Step()
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if err != nil {
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return fmt.Errorf("couldn't insert emote: %w", err)
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}
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st.Reset() // NOTE(branden): bound parameters are retained
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}
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return nil
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}
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// Metrics appends emote usage information for a channel in a given time range.
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func (db *Store) Metrics(ctx context.Context, channel string, start, end time.Time, onto []emote.Metric) ([]emote.Metric, error) {
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conn, err := db.pool.Take(ctx)
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defer db.pool.Put(conn)
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if err != nil {
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return onto, fmt.Errorf("couldn't get connection for metrics: %w", err)
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}
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st, err := conn.Prepare(metricsSQL)
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if err != nil {
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return onto, fmt.Errorf("couldn't prepare metrics statement: %w", err)
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}
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st.SetText(":channel", channel)
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st.SetInt64(":start", start.UnixNano())
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st.SetInt64(":end", end.UnixNano())
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for {
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ok, err := st.Step()
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if err != nil {
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return onto, fmt.Errorf("couldn't step metrics selection: %w", err)
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}
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if !ok {
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break
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}
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m := emote.Metric{
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Emote: emote.Emote{
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ID: st.ColumnText(0),
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Name: st.ColumnText(1),
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Source: st.ColumnText(2),
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Link: st.ColumnText(3),
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Image: st.ColumnText(4),
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},
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Tokens: st.ColumnInt64(5),
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Messages: st.ColumnInt64(6),
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Users: st.ColumnInt64(7),
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}
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onto = append(onto, m)
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}
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return onto, st.Reset()
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}
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