tsk-27: Added endpoint to delete scheduled message event (#31)

Closes #27

Reviewed-on: phoenix/textsender-api#31
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

internal/handler/scheduled_message_event.go

@@ -27,6 +27,11 @@ type GetScheduledMessageEventResponse struct {
 	Data    []scheduling.ScheduledMessageEvent `json:"data"`
 }
 
+type DeleteScheduledMessageEventResponse struct {
+	Message string                             `json:"message"`
+	Data    []scheduling.ScheduledMessageEvent `json:"data"`
+}
+
 type ScheduledMessageEventHandler struct {
 	ScheduledMessageEventStore store.ScheduledMessageEventStore
 	ScheduledMessageStore      store.ScheduledMessageStore
@@ -127,9 +132,67 @@ func (s *ScheduledMessageEventHandler) GetScheduledMessageEvent(w http.ResponseW
 			resp.Message = err.Error()
 			statusCode = http.StatusInternalServerError
 		} else {
-			resp.Message = "Successful"
-			statusCode = http.StatusOK
-			resp.Data = append(resp.Data, *event)
+			if event != nil {
+				resp.Message = "Successful"
+				statusCode = http.StatusOK
+				resp.Data = append(resp.Data, *event)
+			} else {
+				statusCode = http.StatusNotFound
+				resp.Message = "Scheduled message event not found"
+			}
+		}
+	}
+
+	RespondWithJSON(w, statusCode, &resp)
+}
+
+func (s *ScheduledMessageEventHandler) DeleteScheduledMessageEvent(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodDelete {
+		http.Error(w, "Metnot allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	id := chi.URLParam(r, "id")
+	if len(id) == 0 {
+		pathParts := strings.Split(r.URL.Path, "/")
+		if len(pathParts) < 7 {
+			http.Error(w, "Id not provided", http.StatusBadRequest)
+			return
+		} else {
+			id = pathParts[6]
+		}
+	}
+
+	var resp DeleteScheduledMessageEventResponse
+	var statusCode int
+
+	if parsedId, err := uuid.Parse(id); err != nil {
+		resp.Message = err.Error()
+		statusCode = http.StatusBadRequest
+	} else {
+		ctx := r.Context()
+		if event, err := s.ScheduledMessageEventStore.Get(ctx, parsedId); err != nil {
+			resp.Message = err.Error()
+			statusCode = http.StatusInternalServerError
+		} else {
+			if schMsg, err := s.ScheduledMessageStore.Get(ctx, event.ScheduledMessageId); err != nil {
+				resp.Message = err.Error()
+				statusCode = http.StatusInternalServerError
+			} else {
+				if schMsg.Status == scheduling.Pending {
+					if err = s.ScheduledMessageEventStore.Delete(ctx, event.Id); err != nil {
+						resp.Message = err.Error()
+						statusCode = http.StatusInternalServerError
+					} else {
+						resp.Message = "Successful"
+						resp.Data = append(resp.Data, *event)
+						statusCode = http.StatusOK
+					}
+				} else {
+					statusCode = http.StatusBadRequest
+					resp.Message = "Invalid status"
+				}
+			}
 		}
 	}