init

internal/contract/common.go

@@ -0,0 +1,49 @@
+package contract
+
+import "time"
+
+type ErrorResponse struct {
+	Error   string                 `json:"error"`
+	Message string                 `json:"message"`
+	Details map[string]interface{} `json:"details,omitempty"`
+	Code    int                    `json:"code"`
+}
+
+type ValidationErrorResponse struct {
+	Error   string            `json:"error"`
+	Message string            `json:"message"`
+	Details map[string]string `json:"details"`
+	Code    int               `json:"code"`
+}
+
+type SuccessResponse struct {
+	Message string      `json:"message"`
+	Data    interface{} `json:"data,omitempty"`
+}
+
+type PaginationRequest struct {
+	Page  int `json:"page" validate:"min=1"`
+	Limit int `json:"limit" validate:"min=1,max=100"`
+}
+
+type PaginationResponse struct {
+	TotalCount int `json:"total_count"`
+	Page       int `json:"page"`
+	Limit      int `json:"limit"`
+	TotalPages int `json:"total_pages"`
+}
+
+type SearchRequest struct {
+	Query string `json:"query,omitempty"`
+}
+
+type DateRangeRequest struct {
+	From *time.Time `json:"from,omitempty"`
+	To   *time.Time `json:"to,omitempty"`
+}
+
+type HealthResponse struct {
+	Status    string    `json:"status"`
+	Timestamp time.Time `json:"timestamp"`
+	Version   string    `json:"version"`
+}