Manager; convert fetching of sleep schedules to sqlc

This also corrects the sleep schedule schema to actually store the
`is_active` field as `boolean` (it was `numeric`, which is the same
underlying field type in SQLite, but produces a different struct field
in the sqlc-generated Go code).

Ref: #104305

internal/manager/persistence/migrations/0006_numeric_to_boolean.sql

@@ -0,0 +1,57 @@
+-- Some booleans were modeled as `numeric`. These are turned into `boolean` instead.
+--
+-- +goose Up
+CREATE TABLE temp_sleep_schedules (
+  id integer NOT NULL,
+  created_at datetime NOT NULL,
+  updated_at datetime,
+  worker_id integer UNIQUE DEFAULT 0 NOT NULL,
+  is_active boolean DEFAULT false NOT NULL,
+  days_of_week text DEFAULT '' NOT NULL,
+  start_time text DEFAULT '' NOT NULL,
+  end_time text DEFAULT '' NOT NULL,
+  next_check datetime,
+  PRIMARY KEY (id),
+  CONSTRAINT fk_sleep_schedules_worker FOREIGN KEY (worker_id) REFERENCES workers(id) ON DELETE CASCADE
+);
+INSERT INTO temp_sleep_schedules SELECT
+  id,
+  created_at,
+  updated_at,
+  worker_id,
+  is_active,
+  days_of_week,
+  start_time,
+  end_time,
+  next_check
+FROM sleep_schedules;
+DROP TABLE sleep_schedules;
+ALTER TABLE temp_sleep_schedules RENAME TO sleep_schedules;
+
+-- +goose Down
+CREATE TABLE temp_sleep_schedules (
+  id integer NOT NULL,
+  created_at datetime NOT NULL,
+  updated_at datetime,
+  worker_id integer UNIQUE DEFAULT 0 NOT NULL,
+  is_active numeric DEFAULT false NOT NULL,
+  days_of_week text DEFAULT '' NOT NULL,
+  start_time text DEFAULT '' NOT NULL,
+  end_time text DEFAULT '' NOT NULL,
+  next_check datetime,
+  PRIMARY KEY (id),
+  CONSTRAINT fk_sleep_schedules_worker FOREIGN KEY (worker_id) REFERENCES workers(id) ON DELETE CASCADE
+);
+INSERT INTO temp_sleep_schedules SELECT
+  id,
+  created_at,
+  updated_at,
+  worker_id,
+  is_active,
+  days_of_week,
+  start_time,
+  end_time,
+  next_check
+FROM sleep_schedules;
+DROP TABLE sleep_schedules;
+ALTER TABLE temp_sleep_schedules RENAME TO sleep_schedules;

internal/manager/persistence/sqlc/models.go

@@ -47,7 +47,7 @@ type SleepSchedule struct {
 	CreatedAt  time.Time
 	UpdatedAt  sql.NullTime
 	WorkerID   int64
-	IsActive   float64
+	IsActive   bool
 	DaysOfWeek string
 	StartTime  string
 	EndTime    string

internal/manager/persistence/sqlc/query_workers.sql

@@ -160,3 +160,9 @@ WHERE
     last_seen_at <= @last_seen_before
 AND deleted_at IS NULL
 AND status NOT IN (sqlc.slice('worker_statuses_no_timeout'));
+
+-- name: FetchWorkerSleepSchedule :one
+SELECT sleep_schedules.*
+FROM sleep_schedules
+INNER JOIN workers on workers.id = sleep_schedules.worker_id
+WHERE workers.uuid = @workerUUID;

internal/manager/persistence/sqlc/query_workers.sql.go

@@ -276,6 +276,30 @@ func (q *Queries) FetchWorker(ctx context.Context, uuid string) (Worker, error)
 	return i, err
 }
 
+const fetchWorkerSleepSchedule = `-- name: FetchWorkerSleepSchedule :one
+SELECT sleep_schedules.id, sleep_schedules.created_at, sleep_schedules.updated_at, sleep_schedules.worker_id, sleep_schedules.is_active, sleep_schedules.days_of_week, sleep_schedules.start_time, sleep_schedules.end_time, sleep_schedules.next_check
+FROM sleep_schedules
+INNER JOIN workers on workers.id = sleep_schedules.worker_id
+WHERE workers.uuid = ?1
+`
+
+func (q *Queries) FetchWorkerSleepSchedule(ctx context.Context, workeruuid string) (SleepSchedule, error) {
+	row := q.db.QueryRowContext(ctx, fetchWorkerSleepSchedule, workeruuid)
+	var i SleepSchedule
+	err := row.Scan(
+		&i.ID,
+		&i.CreatedAt,
+		&i.UpdatedAt,
+		&i.WorkerID,
+		&i.IsActive,
+		&i.DaysOfWeek,
+		&i.StartTime,
+		&i.EndTime,
+		&i.NextCheck,
+	)
+	return i, err
+}
+
 const fetchWorkerTagByID = `-- name: FetchWorkerTagByID :one
 SELECT id, created_at, updated_at, uuid, name, description
 FROM worker_tags

internal/manager/persistence/sqlc/schema.sql

@@ -39,7 +39,7 @@ CREATE TABLE sleep_schedules (
   created_at datetime NOT NULL,
   updated_at datetime,
   worker_id integer UNIQUE DEFAULT 0 NOT NULL,
-  is_active numeric DEFAULT false NOT NULL,
+  is_active boolean DEFAULT false NOT NULL,
   days_of_week text DEFAULT '' NOT NULL,
   start_time text DEFAULT '' NOT NULL,
   end_time text DEFAULT '' NOT NULL,

internal/manager/persistence/worker_sleep_schedule.go

@@ -4,11 +4,14 @@ package persistence
 
 import (
 	"context"
+	"database/sql"
+	"errors"
 	"fmt"
 	"time"
 
 	"github.com/rs/zerolog/log"
 	"gorm.io/gorm/clause"
+	"projects.blender.org/studio/flamenco/internal/manager/persistence/sqlc"
 )
 
 // SleepSchedule belongs to a Worker, and determines when it's automatically
@@ -37,19 +40,17 @@ func (db *DB) FetchWorkerSleepSchedule(ctx context.Context, workerUUID string) (
 	logger := log.With().Str("worker", workerUUID).Logger()
 	logger.Trace().Msg("fetching worker sleep schedule")
 
-	var sched SleepSchedule
-	tx := db.gormDB.WithContext(ctx).
-		Joins("inner join workers on workers.id = sleep_schedules.worker_id").
-		Where("workers.uuid = ?", workerUUID).
-		// This is the same as First(&sched), except it doesn't cause an error if it doesn't exist:
-		Limit(1).Find(&sched)
-	if tx.Error != nil {
-		return nil, tx.Error
-	}
-	if sched.ID == 0 {
+	queries := db.queries()
+
+	sqlcSched, err := queries.FetchWorkerSleepSchedule(ctx, workerUUID)
+	switch {
+	case errors.Is(err, sql.ErrNoRows):
 		return nil, nil
+	case err != nil:
+		return nil, err
 	}
-	return &sched, nil
+
+	return convertSqlcSleepSchedule(sqlcSched)
 }
 
 func (db *DB) SetWorkerSleepSchedule(ctx context.Context, workerUUID string, schedule *SleepSchedule) error {
@@ -125,3 +126,28 @@ func (db *DB) FetchSleepSchedulesToCheck(ctx context.Context) ([]*SleepSchedule,
 	}
 	return schedules, nil
 }
+
+func convertSqlcSleepSchedule(sqlcSchedule sqlc.SleepSchedule) (*SleepSchedule, error) {
+	schedule := SleepSchedule{
+		Model: Model{
+			ID:        uint(sqlcSchedule.ID),
+			CreatedAt: sqlcSchedule.CreatedAt,
+			UpdatedAt: sqlcSchedule.UpdatedAt.Time,
+		},
+		WorkerID:   uint(sqlcSchedule.WorkerID),
+		IsActive:   sqlcSchedule.IsActive,
+		DaysOfWeek: sqlcSchedule.DaysOfWeek,
+	}
+
+	err := schedule.StartTime.Scan(sqlcSchedule.StartTime)
+	if err != nil {
+		return nil, fmt.Errorf("parsing schedule start time %q: %w", sqlcSchedule.StartTime, err)
+	}
+
+	err = schedule.EndTime.Scan(sqlcSchedule.EndTime)
+	if err != nil {
+		return nil, fmt.Errorf("parsing schedule end time %q: %w", sqlcSchedule.EndTime, err)
+	}
+
+	return &schedule, nil
+}