bugfix(pagination): adjust pagination calculation and response structure

- fix hasNext calculation in endpoints manager

Author: maniac-en

internal/collections/models.go

@@ -44,10 +44,10 @@ type CollectionsManager struct {
 type PaginatedCollections struct {
 	Collections []CollectionEntity `json:"collections"`
 	Total       int64              `json:"total"`
-	Offset      int                `json:"offset"`
-	Limit       int                `json:"limit"`
 	HasNext     bool               `json:"has_next"`
 	HasPrev     bool               `json:"has_prev"`
+	Limit       int                `json:"limit"`
+	Offset      int                `json:"offset"`
 	TotalPages  int                `json:"total_pages"`
 	CurrentPage int                `json:"current_page"`
 }

internal/endpoints/manager.go

@@ -96,14 +96,14 @@ func (e *EndpointsManager) ListByCollection(ctx context.Context, collectionID in
 	// Calculate pagination metadata
 	totalPages := int((total + int64(limit) - 1) / int64(limit)) // Ceiling division
 	currentPage := (offset / limit) + 1
-	hasNext := offset+len(endpoints) < int(total)
+	hasNext := (offset + limit) < int(total)
 	hasPrev := offset > 0
 
 	result := &PaginatedEndpoints{
 		Endpoints:   entities,
 		Total:       total,
-		Offset:      int(offset),
-		Limit:       int(limit),
+		Offset:      offset,
+		Limit:       limit,
 		HasNext:     hasNext,
 		HasPrev:     hasPrev,
 		TotalPages:  totalPages,

internal/history/models.go

@@ -39,14 +39,14 @@ func (h HistoryEntity) GetUpdatedAt() time.Time {
 }
 
 type PaginatedHistory struct {
-	Items       []HistoryEntity
-	Total       int64
-	HasNext     bool
-	HasPrev     bool
-	Limit       int
-	Offset      int
-	TotalPages  int
-	CurrentPage int
+	Items       []HistoryEntity `json:"items"`
+	Total       int64           `json:"total"`
+	HasNext     bool            `json:"has_next"`
+	HasPrev     bool            `json:"has_prev"`
+	Limit       int             `json:"limit"`
+	Offset      int             `json:"offset"`
+	TotalPages  int             `json:"total_pages"`
+	CurrentPage int             `json:"current_page"`
 }
 
 type ExecutionData struct {