feat: initial postgres driver

store/db/postgres/activity.go

@@ -0,0 +1,88 @@
+package postgres
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"github.com/yourselfhosted/slash/store"
+)
+
+func (d *DB) CreateActivity(ctx context.Context, create *store.Activity) (*store.Activity, error) {
+	stmt := `
+		INSERT INTO activity (
+			creator_id,
+			type,
+			level,
+			payload
+		)
+		VALUES ($1, $2, $3, $4)
+		RETURNING id, created_ts
+	`
+	if err := d.db.QueryRowContext(ctx, stmt,
+		create.CreatorID,
+		create.Type.String(),
+		create.Level.String(),
+		create.Payload,
+	).Scan(
+		&create.ID,
+		&create.CreatedTs,
+	); err != nil {
+		return nil, err
+	}
+
+	activity := create
+	return activity, nil
+}
+
+func (d *DB) ListActivities(ctx context.Context, find *store.FindActivity) ([]*store.Activity, error) {
+	where, args := []string{"1 = 1"}, []any{}
+	if find.Type != "" {
+		where, args = append(where, "type = $"+fmt.Sprint(len(args)+1)), append(args, find.Type.String())
+	}
+	if find.Level != "" {
+		where, args = append(where, "level = $"+fmt.Sprint(len(args)+1)), append(args, find.Level.String())
+	}
+	if find.Where != nil {
+		where = append(where, find.Where...)
+	}
+
+	query := `
+		SELECT
+			id,
+			creator_id,
+			created_ts,
+			type,
+			level,
+			payload
+		FROM activity
+		WHERE ` + strings.Join(where, " AND ")
+	rows, err := d.db.QueryContext(ctx, query, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	list := []*store.Activity{}
+	for rows.Next() {
+		activity := &store.Activity{}
+		if err := rows.Scan(
+			&activity.ID,
+			&activity.CreatorID,
+			&activity.CreatedTs,
+			&activity.Type,
+			&activity.Level,
+			&activity.Payload,
+		); err != nil {
+			return nil, err
+		}
+
+		list = append(list, activity)
+	}
+
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+
+	return list, nil
+}