refactor(tester): refactor api

internal/models/contest.go

@@ -16,6 +16,20 @@ type ContestsListItem struct {
 	UpdatedAt time.Time `db:"updated_at"`
 }
 
+type ContestsList struct {
+	Contests   []*ContestsListItem
+	Pagination Pagination
+}
+
+type ContestsFilter struct {
+	Page     int32
+	PageSize int32
+}
+
+func (f ContestsFilter) Offset() int32 {
+	return (f.Page - 1) * f.PageSize
+}
+
 type ContestUpdate struct {
 	Title *string `json:"title"`
 }

internal/models/pagination.go

@@ -0,0 +1,6 @@
+package models
+
+type Pagination struct {
+	Page  int32 `json:"page"`
+	Total int32 `json:"total"`
+}

internal/models/participant.go

@@ -20,6 +20,22 @@ type ParticipantsListItem struct {
 	UpdatedAt time.Time `db:"updated_at"`
 }
 
+type ParticipantsList struct {
+	Participants []*ParticipantsListItem
+	Pagination   Pagination
+}
+
+type ParticipantsFilter struct {
+	Page     int32
+	PageSize int32
+
+	ContestId int32
+}
+
+func (f ParticipantsFilter) Offset() int32 {
+	return (f.Page - 1) * f.PageSize
+}
+
 type ParticipantUpdate struct {
 	Name *string `json:"name"`
 }

internal/models/problem.go

@@ -25,7 +25,7 @@ type Problem struct {
 	UpdatedAt time.Time `db:"updated_at"`
 }
 
-type ProblemListItem struct {
+type ProblemsListItem struct {
 	Id          int32     `db:"id"`
 	Title       string    `db:"title"`
 	MemoryLimit int32     `db:"memory_limit"`
@@ -34,6 +34,20 @@ type ProblemListItem struct {
 	UpdatedAt   time.Time `db:"updated_at"`
 }
 
+type ProblemsList struct {
+	Problems   []*ProblemsListItem `json:"problems"`
+	Pagination Pagination          `json:"pagination"`
+}
+
+type ProblemsFilter struct {
+	Page     int32
+	PageSize int32
+}
+
+func (f ProblemsFilter) Offset() int32 {
+	return (f.Page - 1) * f.PageSize
+}
+
 type ProblemUpdate struct {
 	Title       *string `db:"title"`
 	MemoryLimit *int32  `db:"memory_limit"`

internal/models/solution.go

@@ -38,6 +38,11 @@ type SolutionsListItem struct {
 	CreatedAt     time.Time `db:"created_at"`
 }
 
+type SolutionsList struct {
+	Solutions  []*SolutionsListItem
+	Pagination Pagination
+}
+
 type SolutionsFilter struct {
 	Page          int32
 	PageSize      int32
@@ -49,6 +54,10 @@ type SolutionsFilter struct {
 	Order         *int32
 }
 
+func (f SolutionsFilter) Offset() int32 {
+	return (f.Page - 1) * f.PageSize
+}
+
 //type Result int32
 //
 //const (