aboutsummaryrefslogtreecommitdiffstats
path: root/lib/apiv1/events.go
blob: 9444262aabd030e9c2a6dac5c30fff8c1ebc724a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
package apiv1

import (
	"net/http"
	"time"

	"github.com/iotbzh/xds-server/lib/folder"

	"github.com/gin-gonic/gin"
	common "github.com/iotbzh/xds-common/golib"
)

// EventArgs is the parameters (json format) of /events/register command
type EventRegisterArgs struct {
	Name      string `json:"name"`
	ProjectID string `json:"filterProjectID"`
}

type EventUnRegisterArgs struct {
	Name string `json:"name"`
	ID   int    `json:"id"`
}

// EventMsg Message send
type EventMsg struct {
	Time   string              `json:"time"`
	Type   string              `json:"type"`
	Folder folder.FolderConfig `json:"folder"`
}

// EventEvent Event send in WS when an internal event (eg. Syncthing event is received)
const EventEventAll = "event:all"
const EventEventType = "event:" // following by event type

// eventsList Registering for events that will be send over a WS
func (s *APIService) eventsList(c *gin.Context) {

}

// eventsRegister Registering for events that will be send over a WS
func (s *APIService) eventsRegister(c *gin.Context) {
	var args EventRegisterArgs

	if c.BindJSON(&args) != nil {
		common.APIError(c, "Invalid arguments")
		return
	}

	sess := s.sessions.Get(c)
	if sess == nil {
		common.APIError(c, "Unknown sessions")
		return
	}

	evType := "FolderStateChanged"
	if args.Name != evType {
		common.APIError(c, "Unsupported event name")
		return
	}

	/* XXX - to be removed if no plan to support "generic" event
	var cbFunc st.EventsCB
	cbFunc = func(ev st.Event, data *st.EventsCBData) {

		evid, _ := strconv.Atoi((*data)["id"].(string))
		ssid := (*data)["sid"].(string)
		so := s.sessions.IOSocketGet(ssid)
		if so == nil {
			s.log.Infof("Event %s not emitted - sid: %s", ev.Type, ssid)

			// Consider that client disconnected, so unregister this event
			s.mfolders.SThg.Events.UnRegister(ev.Type, evid)
			return
		}

		msg := EventMsg{
			Time: ev.Time,
			Type: ev.Type,
			Data: ev.Data,
		}

		if err := (*so).Emit(EventEventAll, msg); err != nil {
			s.log.Errorf("WS Emit Event : %v", err)
		}

		if err := (*so).Emit(EventEventType+ev.Type, msg); err != nil {
			s.log.Errorf("WS Emit Event : %v", err)
		}
	}

	data := make(st.EventsCBData)
	data["sid"] = sess.ID

	id, err := s.mfolders.SThg.Events.Register(args.Name, cbFunc, args.ProjectID, &data)
	*/

	var cbFunc folder.EventCB
	cbFunc = func(cfg *folder.FolderConfig, data *folder.EventCBData) {
		ssid := (*data)["sid"].(string)
		so := s.sessions.IOSocketGet(ssid)
		if so == nil {
			//s.log.Infof("Event %s not emitted - sid: %s", ev.Type, ssid)

			// Consider that client disconnected, so unregister this event
			// SEB FIXMEs.mfolders.RegisterEventChange(ev.Type)
			return
		}

		msg := EventMsg{
			Time:   time.Now().String(),
			Type:   evType,
			Folder: *cfg,
		}

		s.log.Debugf("WS Emit %s - Status=%10s, IsInSync=%6v, ID=%s",
			EventEventType+evType, cfg.Status, cfg.IsInSync, cfg.ID)

		if err := (*so).Emit(EventEventType+evType, msg); err != nil {
			s.log.Errorf("WS Emit Folder StateChanged event : %v", err)
		}
	}
	data := make(folder.EventCBData)
	data["sid"] = sess.ID

	prjID, err := s.mfolders.ResolveID(args.ProjectID)
	if err != nil {
		common.APIError(c, err.Error())
		return
	}
	if err = s.mfolders.RegisterEventChange(prjID, &cbFunc, &data); err != nil {
		common.APIError(c, err.Error())
		return
	}

	c.JSON(http.StatusOK, gin.H{"status": "OK"})
}

// eventsRegister Registering for events that will be send over a WS
func (s *APIService) eventsUnRegister(c *gin.Context) {
	var args EventUnRegisterArgs

	if c.BindJSON(&args) != nil || args.Name == "" || args.ID < 0 {
		common.APIError(c, "Invalid arguments")
		return
	}
	/* TODO
	if err := s.mfolders.SThg.Events.UnRegister(args.Name, args.ID); err != nil {
		common.APIError(c, err.Error())
		return
	}
	c.JSON(http.StatusOK, gin.H{"status": "OK"})
	*/
	common.APIError(c, "Not implemented yet")
}