forked from dasfaha/sky
/
server_event_handlers.go
165 lines (144 loc) · 5.31 KB
/
server_event_handlers.go
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package skyd
import (
"fmt"
"github.com/gorilla/mux"
"net/http"
"time"
)
func (s *Server) addEventHandlers() {
s.ApiHandleFunc("/tables/{name}/objects/{objectId}/events", func(w http.ResponseWriter, req *http.Request, params map[string]interface{}) (interface{}, error) {
return s.getEventsHandler(w, req, params)
}).Methods("GET")
s.ApiHandleFunc("/tables/{name}/objects/{objectId}/events", func(w http.ResponseWriter, req *http.Request, params map[string]interface{}) (interface{}, error) {
return s.deleteEventsHandler(w, req, params)
}).Methods("DELETE")
s.ApiHandleFunc("/tables/{name}/objects/{objectId}/events/{timestamp}", func(w http.ResponseWriter, req *http.Request, params map[string]interface{}) (interface{}, error) {
return s.getEventHandler(w, req, params)
}).Methods("GET")
s.ApiHandleFunc("/tables/{name}/objects/{objectId}/events/{timestamp}", func(w http.ResponseWriter, req *http.Request, params map[string]interface{}) (interface{}, error) {
return s.replaceEventHandler(w, req, params)
}).Methods("PUT")
s.ApiHandleFunc("/tables/{name}/objects/{objectId}/events/{timestamp}", func(w http.ResponseWriter, req *http.Request, params map[string]interface{}) (interface{}, error) {
return s.updateEventHandler(w, req, params)
}).Methods("PATCH")
s.ApiHandleFunc("/tables/{name}/objects/{objectId}/events/{timestamp}", func(w http.ResponseWriter, req *http.Request, params map[string]interface{}) (interface{}, error) {
return s.deleteEventHandler(w, req, params)
}).Methods("DELETE")
}
// GET /tables/:name/objects/:objectId/events
func (s *Server) getEventsHandler(w http.ResponseWriter, req *http.Request, params map[string]interface{}) (interface{}, error) {
vars := mux.Vars(req)
table, servlet, err := s.GetObjectContext(vars["name"], vars["objectId"])
if err != nil {
return nil, err
}
// Retrieve raw events.
events, _, err := servlet.GetEvents(table, vars["objectId"])
if err != nil {
return nil, err
}
// Denormalize events.
output := make([]map[string]interface{}, 0)
for _, event := range events {
e, err := table.SerializeEvent(event)
if err != nil {
return nil, err
}
err = table.DefactorizeEvent(event, s.factors)
if err != nil {
return nil, err
}
output = append(output, e)
}
return output, nil
}
// DELETE /tables/:name/objects/:objectId/events
func (s *Server) deleteEventsHandler(w http.ResponseWriter, req *http.Request, params map[string]interface{}) (ret interface{}, err error) {
vars := mux.Vars(req)
table, servlet, err := s.GetObjectContext(vars["name"], vars["objectId"])
if err != nil {
return nil, err
}
return nil, servlet.DeleteEvents(table, vars["objectId"])
}
// GET /tables/:name/objects/:objectId/events/:timestamp
func (s *Server) getEventHandler(w http.ResponseWriter, req *http.Request, params map[string]interface{}) (ret interface{}, err error) {
vars := mux.Vars(req)
table, servlet, err := s.GetObjectContext(vars["name"], vars["objectId"])
if err != nil {
return nil, err
}
// Parse timestamp.
timestamp, err := time.Parse(time.RFC3339, vars["timestamp"])
if err != nil {
return nil, err
}
// Find event.
event, err := servlet.GetEvent(table, vars["objectId"], timestamp)
if err != nil {
return nil, err
}
// Return an empty event if there isn't one.
if event == nil {
event = NewEvent(vars["timestamp"], map[int64]interface{}{})
}
// Convert an event to a serializable object.
e, err := table.SerializeEvent(event)
if err != nil {
return nil, err
}
err = table.DefactorizeEvent(event, s.factors)
if err != nil {
return nil, err
}
return e, nil
}
// PUT /tables/:name/objects/:objectId/events/:timestamp
func (s *Server) replaceEventHandler(w http.ResponseWriter, req *http.Request, params map[string]interface{}) (ret interface{}, err error) {
vars := mux.Vars(req)
table, servlet, err := s.GetObjectContext(vars["name"], vars["objectId"])
if err != nil {
return nil, err
}
params["timestamp"] = vars["timestamp"]
event, err := table.DeserializeEvent(params)
if err != nil {
return nil, err
}
err = table.FactorizeEvent(event, s.factors, true)
if err != nil {
return nil, err
}
return nil, servlet.PutEvent(table, vars["objectId"], event, true)
}
// PATCH /tables/:name/objects/:objectId/events/:timestamp
func (s *Server) updateEventHandler(w http.ResponseWriter, req *http.Request, params map[string]interface{}) (ret interface{}, err error) {
vars := mux.Vars(req)
table, servlet, err := s.GetObjectContext(vars["name"], vars["objectId"])
if err != nil {
return nil, err
}
params["timestamp"] = vars["timestamp"]
event, err := table.DeserializeEvent(params)
if err != nil {
return nil, err
}
err = table.FactorizeEvent(event, s.factors, true)
if err != nil {
return nil, err
}
return nil, servlet.PutEvent(table, vars["objectId"], event, false)
}
// DELETE /tables/:name/objects/:objectId/events/:timestamp
func (s *Server) deleteEventHandler(w http.ResponseWriter, req *http.Request, params map[string]interface{}) (ret interface{}, err error) {
vars := mux.Vars(req)
table, servlet, err := s.GetObjectContext(vars["name"], vars["objectId"])
if err != nil {
return nil, err
}
timestamp, err := time.Parse(time.RFC3339, vars["timestamp"])
if err != nil {
return nil, fmt.Errorf("Unable to parse timestamp: %v", timestamp)
}
return nil, servlet.DeleteEvent(table, vars["objectId"], timestamp)
}