mirror of
https://github.com/shankar0123/certctl.git
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Initial scaffold: certificate control plane v0.1.0
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shankar0123
@@ -0,0 +1,231 @@
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package handler
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import (
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"encoding/json"
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"net/http"
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"strconv"
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"strings"
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"github.com/shankar0123/certctl/internal/api/middleware"
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"github.com/shankar0123/certctl/internal/domain"
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)
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// PolicyService defines the service interface for policy rule operations.
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type PolicyService interface {
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ListPolicies(page, perPage int) ([]domain.PolicyRule, int64, error)
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GetPolicy(id string) (*domain.PolicyRule, error)
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CreatePolicy(policy domain.PolicyRule) (*domain.PolicyRule, error)
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UpdatePolicy(id string, policy domain.PolicyRule) (*domain.PolicyRule, error)
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DeletePolicy(id string) error
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ListViolations(policyID string, page, perPage int) ([]domain.PolicyViolation, int64, error)
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}
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// PolicyHandler handles HTTP requests for policy rule operations.
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type PolicyHandler struct {
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svc PolicyService
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}
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// NewPolicyHandler creates a new PolicyHandler with a service dependency.
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func NewPolicyHandler(svc PolicyService) PolicyHandler {
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return PolicyHandler{svc: svc}
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}
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// ListPolicies lists all policy rules.
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// GET /api/v1/policies?page=1&per_page=50
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func (h PolicyHandler) ListPolicies(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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Error(w, http.StatusMethodNotAllowed, "Method not allowed")
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return
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}
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requestID := middleware.GetRequestID(r.Context())
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page := 1
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perPage := 50
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query := r.URL.Query()
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if p := query.Get("page"); p != "" {
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if parsed, err := strconv.Atoi(p); err == nil && parsed > 0 {
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page = parsed
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}
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}
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if pp := query.Get("per_page"); pp != "" {
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if parsed, err := strconv.Atoi(pp); err == nil && parsed > 0 && parsed <= 500 {
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perPage = parsed
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}
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}
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policies, total, err := h.svc.ListPolicies(page, perPage)
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if err != nil {
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ErrorWithRequestID(w, http.StatusInternalServerError, "Failed to list policies", requestID)
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return
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}
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response := PagedResponse{
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Data: policies,
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Total: total,
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Page: page,
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PerPage: perPage,
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}
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JSON(w, http.StatusOK, response)
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}
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// GetPolicy retrieves a single policy rule by ID.
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// GET /api/v1/policies/{id}
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func (h PolicyHandler) GetPolicy(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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Error(w, http.StatusMethodNotAllowed, "Method not allowed")
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return
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}
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requestID := middleware.GetRequestID(r.Context())
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id := strings.TrimPrefix(r.URL.Path, "/api/v1/policies/")
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parts := strings.Split(id, "/")
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if len(parts) == 0 || parts[0] == "" {
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ErrorWithRequestID(w, http.StatusBadRequest, "Policy ID is required", requestID)
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return
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}
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id = parts[0]
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policy, err := h.svc.GetPolicy(id)
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if err != nil {
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ErrorWithRequestID(w, http.StatusNotFound, "Policy not found", requestID)
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return
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}
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JSON(w, http.StatusOK, policy)
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}
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// CreatePolicy creates a new policy rule.
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// POST /api/v1/policies
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func (h PolicyHandler) CreatePolicy(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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Error(w, http.StatusMethodNotAllowed, "Method not allowed")
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return
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}
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requestID := middleware.GetRequestID(r.Context())
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var policy domain.PolicyRule
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if err := json.NewDecoder(r.Body).Decode(&policy); err != nil {
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ErrorWithRequestID(w, http.StatusBadRequest, "Invalid request body", requestID)
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return
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}
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created, err := h.svc.CreatePolicy(policy)
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if err != nil {
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ErrorWithRequestID(w, http.StatusInternalServerError, "Failed to create policy", requestID)
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return
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}
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JSON(w, http.StatusCreated, created)
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}
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// UpdatePolicy updates an existing policy rule.
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// PUT /api/v1/policies/{id}
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func (h PolicyHandler) UpdatePolicy(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPut {
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Error(w, http.StatusMethodNotAllowed, "Method not allowed")
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return
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}
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requestID := middleware.GetRequestID(r.Context())
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id := strings.TrimPrefix(r.URL.Path, "/api/v1/policies/")
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parts := strings.Split(id, "/")
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if len(parts) == 0 || parts[0] == "" {
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ErrorWithRequestID(w, http.StatusBadRequest, "Policy ID is required", requestID)
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return
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}
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id = parts[0]
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var policy domain.PolicyRule
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if err := json.NewDecoder(r.Body).Decode(&policy); err != nil {
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ErrorWithRequestID(w, http.StatusBadRequest, "Invalid request body", requestID)
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return
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}
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updated, err := h.svc.UpdatePolicy(id, policy)
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if err != nil {
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ErrorWithRequestID(w, http.StatusInternalServerError, "Failed to update policy", requestID)
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return
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}
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JSON(w, http.StatusOK, updated)
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}
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// DeletePolicy deletes a policy rule.
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// DELETE /api/v1/policies/{id}
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func (h PolicyHandler) DeletePolicy(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodDelete {
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Error(w, http.StatusMethodNotAllowed, "Method not allowed")
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return
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}
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requestID := middleware.GetRequestID(r.Context())
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id := strings.TrimPrefix(r.URL.Path, "/api/v1/policies/")
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parts := strings.Split(id, "/")
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if len(parts) == 0 || parts[0] == "" {
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ErrorWithRequestID(w, http.StatusBadRequest, "Policy ID is required", requestID)
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return
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}
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id = parts[0]
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if err := h.svc.DeletePolicy(id); err != nil {
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ErrorWithRequestID(w, http.StatusInternalServerError, "Failed to delete policy", requestID)
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return
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}
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w.WriteHeader(http.StatusNoContent)
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}
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// ListViolations lists policy violations for a specific policy rule.
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// GET /api/v1/policies/{id}/violations?page=1&per_page=50
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func (h PolicyHandler) ListViolations(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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Error(w, http.StatusMethodNotAllowed, "Method not allowed")
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return
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}
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requestID := middleware.GetRequestID(r.Context())
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// Extract policy ID from path /api/v1/policies/{id}/violations
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path := strings.TrimPrefix(r.URL.Path, "/api/v1/policies/")
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parts := strings.Split(path, "/")
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if len(parts) < 2 || parts[0] == "" {
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ErrorWithRequestID(w, http.StatusBadRequest, "Policy ID is required", requestID)
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return
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}
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policyID := parts[0]
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page := 1
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perPage := 50
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query := r.URL.Query()
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if p := query.Get("page"); p != "" {
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if parsed, err := strconv.Atoi(p); err == nil && parsed > 0 {
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page = parsed
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}
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}
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if pp := query.Get("per_page"); pp != "" {
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if parsed, err := strconv.Atoi(pp); err == nil && parsed > 0 && parsed <= 500 {
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perPage = parsed
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}
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}
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violations, total, err := h.svc.ListViolations(policyID, page, perPage)
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if err != nil {
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ErrorWithRequestID(w, http.StatusInternalServerError, "Failed to list violations", requestID)
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return
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}
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response := PagedResponse{
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Data: violations,
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Total: total,
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Page: page,
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PerPage: perPage,
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}
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JSON(w, http.StatusOK, response)
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}
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