feat: add worker distributor and model registry

internal/modelschedule/repositories/db.go

@@ -0,0 +1,32 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.23.0
+
+package repositories
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgconn"
+)
+
+type DBTX interface {
+	Exec(context.Context, string, ...interface{}) (pgconn.CommandTag, error)
+	Query(context.Context, string, ...interface{}) (pgx.Rows, error)
+	QueryRow(context.Context, string, ...interface{}) pgx.Row
+}
+
+func New(db DBTX) *Queries {
+	return &Queries{db: db}
+}
+
+type Queries struct {
+	db DBTX
+}
+
+func (q *Queries) WithTx(tx pgx.Tx) *Queries {
+	return &Queries{
+		db: tx,
+	}
+}

internal/modelschedule/repositories/models.go

@@ -0,0 +1,30 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.23.0
+
+package repositories
+
+import (
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+type ModelSchedule struct {
+	ModelName string             `json:"model_name"`
+	LastRun   pgtype.Timestamptz `json:"last_run"`
+}
+
+type WorkSchedule struct {
+	ScheduleID uuid.UUID          `json:"schedule_id"`
+	WorkerID   uuid.UUID          `json:"worker_id"`
+	StartRun   pgtype.Timestamptz `json:"start_run"`
+	EndRun     pgtype.Timestamptz `json:"end_run"`
+	UpdatedAt  pgtype.Timestamptz `json:"updated_at"`
+	State      string             `json:"state"`
+}
+
+type WorkerRegister struct {
+	WorkerID  uuid.UUID          `json:"worker_id"`
+	Capacity  int32              `json:"capacity"`
+	HeartBeat pgtype.Timestamptz `json:"heart_beat"`
+}

internal/modelschedule/repositories/querier.go

@@ -0,0 +1,19 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.23.0
+
+package repositories
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+type Querier interface {
+	GetLast(ctx context.Context, modelName string) (pgtype.Timestamptz, error)
+	Ping(ctx context.Context) (int32, error)
+	UpsertModel(ctx context.Context, arg *UpsertModelParams) error
+}
+
+var _ Querier = (*Queries)(nil)

internal/modelschedule/repositories/queries.sql.go

@@ -0,0 +1,57 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.23.0
+// source: queries.sql
+
+package repositories
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+const getLast = `-- name: GetLast :one
+SELECT last_run
+FROM
+    model_schedules
+WHERE
+    model_name = $1
+LIMIT 1
+`
+
+func (q *Queries) GetLast(ctx context.Context, modelName string) (pgtype.Timestamptz, error) {
+	row := q.db.QueryRow(ctx, getLast, modelName)
+	var last_run pgtype.Timestamptz
+	err := row.Scan(&last_run)
+	return last_run, err
+}
+
+const ping = `-- name: Ping :one
+SELECT 1
+`
+
+func (q *Queries) Ping(ctx context.Context) (int32, error) {
+	row := q.db.QueryRow(ctx, ping)
+	var column_1 int32
+	err := row.Scan(&column_1)
+	return column_1, err
+}
+
+const upsertModel = `-- name: UpsertModel :exec
+INSERT INTO model_schedules (model_name, last_run)
+VALUES ($1, $2)
+ON CONFLICT (model_name)
+DO UPDATE SET
+last_run = excluded.last_run
+`
+
+type UpsertModelParams struct {
+	ModelName string             `json:"model_name"`
+	LastRun   pgtype.Timestamptz `json:"last_run"`
+}
+
+func (q *Queries) UpsertModel(ctx context.Context, arg *UpsertModelParams) error {
+	_, err := q.db.Exec(ctx, upsertModel, arg.ModelName, arg.LastRun)
+	return err
+}