r3 spaceapi updater daemon written in go

[svn42.git] / r3-webstatus-spaceapi / spaceapi / spaceapi.go

diff --git a/r3-webstatus-spaceapi/spaceapi/spaceapi.go b/r3-webstatus-spaceapi/spaceapi/spaceapi.go
new file mode 100644 (file)
index 0000000..7e08819
--- /dev/null
+++ b/r3-webstatus-spaceapi/spaceapi/spaceapi.go
@@ -0,0 +1,123 @@
+// spaceapi.go
+package spaceapi
+
+import (
+       "encoding/json"
+       "time"
+)
+
+const max_num_events int = 4
+
+type SpaceInfo map[string]interface{}
+
+func (nsi SpaceInfo) UpdateSensorData(what, where, value string) {
+       if nsi["sensors"] == nil {
+               sensorlist := make([]SpaceInfo, 1)
+               sensorlist[0] = SpaceInfo{what: SpaceInfo{where: value}}
+               nsi["sensors"] = sensorlist
+       } else {
+               sensorlist, ok := nsi["sensors"].([]SpaceInfo) //type assertion (panics if false)
+               if ok {
+                       for _, sensor := range sensorlist {
+                               if sensor[what] != nil {
+                                       sensorinfo, ok2 := sensor[what].(SpaceInfo)
+                                       if ok2 {
+                                               sensorinfo[where] = value
+                                               return
+                                       } else {
+                                               panic("Wrong Type of sensorinfo: Should never happen")
+                                       }
+                               }
+                       }
+                       //else
+                       nsi["sensors"] = append(sensorlist, SpaceInfo{what: SpaceInfo{where: value}})
+               } else {
+                       panic("Wrong Type of sensorlist: Should never happen")
+               }
+       }
+}
+
+func (nsi SpaceInfo) AddSpaceContactInfo(phone, irc, email, ml, jabber string) SpaceInfo {
+       nsi["contact"] = SpaceInfo{
+               "phone":  phone,
+               "email":  email,
+               "ml":     ml,
+               "jabber": jabber}
+       return nsi
+}
+
+func (nsi SpaceInfo) AddSpaceFeed(name, mimetype, url string) SpaceInfo {
+       newfeed := SpaceInfo{"name": name, "type": mimetype, "url": url}
+       if nsi["feeds"] == nil {
+               feedlist := make([]SpaceInfo, 1)
+               feedlist[0] = newfeed
+               nsi["feeds"] = feedlist
+       } else {
+               feedlist, ok := nsi["feeds"].([]SpaceInfo) //type assertion (panics if false)
+               if ok {
+                       nsi["feeds"] = append(feedlist, newfeed)
+               } else {
+                       panic("Wrong Type of feedlist: Should never happen")
+               }
+       }
+       return nsi
+}
+
+func (nsi SpaceInfo) AddSpaceEvent(name, eventtype, extra string) SpaceInfo {
+       newevent := SpaceInfo{"name": name, "type": eventtype, "t": time.Now().Unix(), "extra": extra}
+       if nsi["events"] == nil {
+               eventlist := make([]SpaceInfo, 1)
+               eventlist[0] = newevent
+               nsi["events"] = eventlist
+       } else {
+               eventlist, ok := nsi["events"].([]SpaceInfo) //type assertion
+               if ok {
+                       if len(eventlist) >= max_num_events {
+                               eventlist = eventlist[1:]
+                       }
+                       nsi["events"] = append(eventlist, newevent)
+               } else {
+                       panic("Wrong Type of eventlist: Should never happen")
+               }
+       }
+       return nsi
+}
+
+func (nsi SpaceInfo) AddSpaceAddress(address string) SpaceInfo {
+       nsi["address"] = address
+       return nsi
+}
+
+func (nsi SpaceInfo) AddSpaceLatLon(lat float64, lon float64) SpaceInfo {
+       nsi["lat"] = lat
+       nsi["lon"] = lon
+       return nsi
+}
+
+func (nsi SpaceInfo) SetStatus(open bool, status string) {
+       nsi["status"] = status
+       nsi["open"] = open
+       nsi["lastchange"] = time.Now().Unix()
+}
+
+func NewSpaceInfo(space string, url string, logo string, open_icon string, closed_icon string) SpaceInfo {
+       nsi := map[string]interface{}{
+               "api":        "0.13",
+               "space":      space,
+               "url":        url,
+               "logo":       logo,
+               "open":       false,
+               "lastchange": time.Now().Unix(),
+               "icon": map[string]interface{}{
+                       "open":   open_icon,
+                       "closed": closed_icon}}
+       return nsi
+}
+
+func (data SpaceInfo) MakeJSON() ([]byte, error) {
+       msg, err := json.Marshal(data)
+       if err == nil {
+               return msg, nil
+       }
+       return nil, err
+}