feat: add solutions service

internal/lib/errors.go

@@ -13,3 +13,7 @@ var (
 var (
 	ErrBadRole = errors.New("bad role")
 )
+
+var (
+	ErrBadTestingStrategy = errors.New("bad testing strategy")
+)

internal/models/solution.go

@@ -7,7 +7,6 @@ type Solution struct {
 	ParticipantId *int32     `db:"participant_id"`
 	ProblemId     *int32     `db:"problem_id"`
 	LanguageId    *int32     `db:"language_id"`
-	ContestId     *int32     `db:"contest_id"`
 	SolutionHash  *string    `db:"solution_hash"`
 	Result        *int32     `db:"result"`
 	CreatedAt     *time.Time `db:"created_at"`

internal/models/testgroup.go

@@ -0,0 +1,24 @@
+package models
+
+import "time"
+
+type TestingStrategy int32
+
+const (
+    EachTestTS      TestingStrategy = 1;
+    CompleteGroupTS TestingStrategy = 2;
+)
+
+type Testgroup struct {
+	Id               *int32     `db:"id"`
+	ProblemId        *int32     `db:"problem_id"`
+    TestingStrategy  *int32     `db:"testing_strategy"`
+}
+
+func (TestingStrategy ts) Valid() error {
+	switch ts {
+	case EachTestTS, CompleteGroupTS:
+		return nil
+	}
+	return lib.ErrBadTestingStrategy
+}

internal/services/solution.go

@@ -0,0 +1,50 @@
+package services
+
+import (
+    "context"
+    "git.sch9.ru/new_gate/ms-tester/internal/models"
+)
+
+type SolutionStorage interface {
+    CreateSolution(ctx context.Context, models.Solution) (int32, error)
+    ReadSolutionById(ctx context.Context, id int32) (models.Solution, error)
+    RejudgeSolution(ctx context.Context, id int32) error
+    DeleteSolution(ctx context.Context, id int32) error
+}
+
+type SolutionService struct {
+    solutionStorage SolutionStorage
+}
+
+func NewSolutionService(
+    solutionStorage SolutionStorage,
+) *SolutionService {
+    return &SolutionService{
+        solutionStorage: solutionStorage,
+    }
+}
+
+func (service *SolutionService) CreateSolution(ctx context.Context, solution models.Solution) (int32, error) {
+    userId := ctx.Value("user_id").(int32)
+    panic("access control is not implemented yet")
+    return service.solutionStorage.CreateSolution(ctx, solution)
+}
+
+func (service *SolutionService) ReadSolutionById(ctx context.Context, id int32) (models.Solution, error) {
+    userId := ctx.Value("user_id").(int32)
+    panic("access control is not implemented yet")
+    return service.solutionStorage.ReadSolutionById(ctx, id)
+}
+
+func (service *SolutionService) RejudgeSolution(ctx context.Context, id int32) error {
+    userId := ctx.Value("user_id").(int32)
+    panic("access control is not implemented yet")
+    return service.solutionStorage.RejudgeSolution(ctx, id)
+}
+
+func (service *SolutionService) DeleteSolution(ctx context.Context, id int32) error {
+    userId := ctx.Value("user_id").(int32)
+    panic("access control is not implemented yet")
+    return service.solutionStorage.DeleteSolution(ctx, id)
+}
+