feat: load player's report

internal/repo/game.go

@@ -1,7 +1,6 @@
 package repo
 
 /*
-	TODO: only state will be saved once (current, turn); meta and bombings are saved at turn generation and saved twice
 	/state.json
 	/0001/state.json
 	/0001/meta.json
@@ -13,6 +12,7 @@ package repo
 import (
 	"fmt"
 
+	"github.com/google/uuid"
 	"github.com/iliadenisov/galaxy/internal/model/game"
 	"github.com/iliadenisov/galaxy/internal/model/report"
 )
@@ -27,13 +27,33 @@ func (r *repo) SaveReport(t uint, rep *report.Report) error {
 }
 
 func saveReport(s Storage, t uint, v *report.Report) error {
-	path := fmt.Sprintf("%s/report/%s.json", turnDir(t), v.RaceID.String())
+	path := repDir(t, v.RaceID)
 	if err := s.Write(path, v); err != nil {
 		return NewStorageError(err)
 	}
 	return nil
 }
 
+func (r *repo) LoadReport(t uint, id uuid.UUID) (*report.Report, error) {
+	return loadReport(r.s, t, id)
+}
+
+func loadReport(s Storage, t uint, id uuid.UUID) (*report.Report, error) {
+	path := repDir(t, id)
+	result := new(report.Report)
+	exist, err := s.Exists(path)
+	if err != nil {
+		return nil, NewStorageError(err)
+	}
+	if !exist {
+		return nil, NewReportNotFoundError()
+	}
+	if err := s.ReadSafe(path, result); err != nil {
+		return nil, NewStorageError(err)
+	}
+	return result, nil
+}
+
 func (r *repo) SaveNewTurn(t uint, g *game.Game) error {
 	return saveNewTurn(r.s, t, g)
 }
@@ -104,7 +124,6 @@ func loadMeta(s Storage) (*game.GameMeta, error) {
 	if !exist {
 		return result, nil
 	}
-	// TODO: create separate Read func for meta ops
 	if err := s.ReadSafe(path, result); err != nil {
 		return nil, NewStorageError(err)
 	}
@@ -164,6 +183,10 @@ func (r *repo) SaveBombings(t uint, b []*game.Bombing) error {
 	return saveMeta(r.s, t, meta)
 }
 
+func repDir(t uint, id uuid.UUID) string {
+	return fmt.Sprintf("%s/report/%s.json", turnDir(t), id.String())
+}
+
 func turnDir(t uint) string {
 	return fmt.Sprintf("%04d", t)
 }