Ilia Denisov
75 lines
1.5 KiB
Go
75 lines
1.5 KiB
Go
package game
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import (
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"fmt"
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"github.com/google/uuid"
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"github.com/iliadenisov/galaxy/pkg/model/game"
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"github.com/iliadenisov/galaxy/pkg/repo"
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)
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type ctrl struct {
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param Param
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repo Repo
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}
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type Param struct {
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StoragePath string
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}
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func LoadState(configure func(*Param)) (g game.Game, err error) {
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control(configure, func(c *ctrl) { c.executeInit(func(r Repo) { g, err = c.repo.LoadState() }) })
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return
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}
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func GenerateGame(configure func(*Param), races []string) (gameID uuid.UUID, err error) {
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control(configure, func(c *ctrl) { c.executeInit(func(r Repo) { gameID, err = newGame(r, races) }) })
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return
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}
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func newController(configure func(*Param)) (*ctrl, error) {
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c := &Param{
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StoragePath: ".",
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}
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if configure != nil {
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configure(c)
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}
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r, err := repo.NewFileRepo(c.StoragePath)
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if err != nil {
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return nil, err
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}
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return &ctrl{
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param: *c,
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repo: r,
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}, nil
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}
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func control(configure func(*Param), consumer func(*ctrl)) error {
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c, err := newController(configure)
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if err != nil {
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return err
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}
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consumer(c)
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return nil
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}
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func (c *ctrl) executeInit(consumer func(Repo)) error {
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if err := c.repo.Lock(); err != nil {
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return fmt.Errorf("execute: lock failed: %s", err)
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}
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consumer(c.repo)
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return c.repo.Release()
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}
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func (c *ctrl) execute(consumer func(Repo, game.Game)) error {
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if err := c.repo.Lock(); err != nil {
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return fmt.Errorf("execute: lock failed: %s", err)
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}
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g, err := c.repo.LoadState()
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if err != nil {
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return err
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}
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consumer(c.repo, g)
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return c.repo.Release()
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}
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