feat: move languages to submodule;fix:storage:replace postgres query with array query when getting language

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "proto"]
 	path = proto
 	url = https://git.sch9.ru/new_gate/contracts
+[submodule "internal/languages"]
+	path = internal/languages
+	url = https://git.sch9.ru/new_gate/languages

internal/languages

@@ -0,0 +1 @@
+Subproject commit e4171bacc4d22e80c91eab79f2b8140c2cdf4d95

internal/models/language.go

@@ -1,13 +0,0 @@
-package models
-
-type Language struct {
-	Name            string
-    CompileCmd      []string //source: src;result:executable
-    RunCmd          []string //source: executable
-}
-
-var languages = [...]Language {
-    {Name : "gcc std=c90",
-    CompileCmd : []string{"gcc", "src","-std=c90","-o","executable"},
-    RunCmd : []string{"executable"}},
-}

internal/services/language.go

@@ -2,11 +2,11 @@ package services
 
 import (
 	"context"
-	"git.sch9.ru/new_gate/ms-tester/internal/models"
+	"git.sch9.ru/new_gate/ms-tester/internal/languages"
 )
 
 type LanguageStorage interface {
-	ReadLanguageById(ctx context.Context, id int32) (*models.Language, error)
+	ReadLanguageById(ctx context.Context, id int32) (*languages.Language, error)
 }
 
 type LanguageService struct {
@@ -21,7 +21,7 @@ func NewLanguageService(
 	}
 }
 
-func (service *LanguageService) ReadLanguageById(ctx context.Context, id int32) (*models.Language, error) {
+func (service *LanguageService) ReadLanguageById(ctx context.Context, id int32) (*languages.Language, error) {
 	//userId := ctx.Value("user_id").(int32)
 	panic("access control is not implemented yet")
 	return service.languageStorage.ReadLanguageById(ctx, id)

internal/storage/language.go

@@ -2,7 +2,8 @@ package storage
 
 import (
 	"context"
-	"git.sch9.ru/new_gate/ms-tester/internal/models"
+	"git.sch9.ru/new_gate/ms-tester/internal/languages"
+	"git.sch9.ru/new_gate/ms-tester/internal/lib"
 	"github.com/jmoiron/sqlx"
 	"go.uber.org/zap"
 )
@@ -19,12 +20,9 @@ func NewLanguageStorage(db *sqlx.DB, logger *zap.Logger) *LanguageStorage {
 	}
 }
 
-func (storage *LanguageStorage) ReadLanguageById(ctx context.Context, id int32) (*models.Language, error) {
-	var language models.Language
-	query := storage.db.Rebind("SELECT * from languages WHERE id=? LIMIT 1")
-	err := storage.db.GetContext(ctx, &language, query, id)
-	if err != nil {
-		return nil, handlePgErr(err)
+func (storage *LanguageStorage) ReadLanguageById(ctx context.Context, id int32) (*languages.Language, error) {
+    if(id>=int32(len(languages.Languages))) {
+        return nil,lib.StorageError(nil,lib.ErrNotFound, "no such language")
     }
-	return &language, nil
+	return &languages.Languages[id], nil
 }