def fetch_config(environ, start_response, query):
db = get_database()
format = query.get('format', '')
with Using(db, [ConfigSite, ConfigDish, ConfigSpacecraft, ExtDish, ExtSpacecraft]):
sites = []
for site in ConfigSite.select():
sites.append(site)
dishes = {}
for dish in (ConfigDish.select(
ConfigDish.configsiteid, ConfigDish.id, ConfigDish.name,
ConfigDish.friendlyname.alias('configdesc'), ConfigDish.type.alias('configtype'),
ExtDish.descr, ExtDish.friendlyname, ExtDish.latitude, ExtDish.longitude,
ExtDish.created)
.join(ExtDish, join_type=JOIN.LEFT_OUTER, on=(ConfigDish.name==ExtDish.name))
.dict()):
if not(dish.configsiteid in dishes):
dishes[dish['configsiteid']] = []
dishes[dish['configsiteid']].append(dish)
crafts = []
for craft in (ConfigSpacecraft.select(
ConfigSpacecraft.name, ConfigSpacecraft.encoding,
ConfigSpacecraft.friendlyname.alias('configdesc'),
ExtSpacecraft.agency, ExtSpacecraft.constellation, ExtSpacecraft.friendlyname,
ExtSpacecraft.launch, ExtSpacecraft.location, ExtSpacecraft.status, ExtSpacecraft.url)
.join(ExtSpacecraft, join_type=JOIN.LEFT_OUTER, on=(ConfigSpacecraft.name==ExtSpacecraft.name))
.where(ConfigSpacecraft.flags=='')
.dict()):
crafts.append(craft)
if format == 'sdxf2':
sitesOut = []
for site in sites:
dishesOut = []
if site.id in dishes:
myDishes = dishes[site.id]
for dish in myDishes:
dishesOut.append({
'ID': dish['id'],
'name': dish['name'],
'configFriendly': dish['configdesc'],
'configType': dish['type'],
'extDescr': dish['descr'],
'extFriendly': dish['friendlyname'],
'latitude': dish['latitude'],
'longitude': dish['longitude'],
'created': dish['created']
})
sitesOut.append({
'friendlyName': site.friendlyname,
'latitude': site.latitude,
'longitude': site.longitude,
'name': site.name,
'timeZoneOffset': site.timezoneoffset,
'dishes': dishesOut
})
craftOut = []
for craft in crafts:
craftOut.append({
'name': craft['name'],
'encoding': craft['encoding'],
'configFriendly': craft['configdesc'],
'agency': craft['agency'],
'constellation': craft['constellation'],
'extFriendly': craft['friendlyname'],
'launch': calendar.timegm(craft['launch'].utctimetuple()) if craft['launch'] else None,
'location': craft['location'],
'status': craft['status'],
'url': craft['url']
})
configOut = sdxf2.encode({'sites':sitesOut,'spacecraft':craftOut})
start_response('200 Ok', {'Content-Type': 'application/x-sdxf2'})
return [configOut]
else: # default to XML
sitesOut = E.sites()
for site in sites:
siteOut = E.site({
'friendlyName': site.friendlyname,
'latitude': site.latitude,
'longitude': site.longitude,
'name': site.name,
'timeZoneOffset': site.timezoneoffset,
})
sitesOut.append(siteOut)
if site.id in dishes:
myDishes = dishes[site.id]
for dish in myDishes:
siteOut.append(E.dish({
'ID': dish['id'],
'name': dish['name'],
'configFriendly': dish['configdesc'],
'configType': dish['type'],
'extDescr': dish['descr'],
'extFriendly': dish['friendlyname'],
'latitude': dish['latitude'],
'longitude': dish['longitude'],
'created': dish['created']
}))
craftOut = E.spacecraftMap()
for craft in crafts:
craftOut.append(E.spacecraft({
'name': craft['name'],
'encoding': craft['encoding'],
'configFriendly': craft['configdesc'],
'agency': craft['agency'],
'constellation': craft['constellation'],
'extFriendly': craft['friendlyname'],
'launch': calendar.timegm(craft['launch'].utctimetuple()) if craft['launch'] else None,
'location': craft['location'],
'status': craft['status'],
'url': craft['url']
}))
configOut = E.config(sitesOut, configOut).toString().encode('utf-8')
start_response('200 Ok', {'Content-Type': 'text/xml; charset=utf-8'})
return [configOut]
def fetch_status(environ, start_response, query):
db = get_database()
etag = httpheaders.get_header('If-None-Match')(environ)
if etag and get_status_etag(db) == etag:
start_response('305 Not Modified', {'Content-Length':0})
return ['']
format = query.get('format', '')
with Using(db, [ConfigSite, ConfigDish, ConfigSpacecraft, ConfigState, DataDish, DataEvent, DataSignal]):
configSites = {}
for site in ConfigSite.select():
configSites[site.id] = site
configDishes = {}
for dish in ConfigDish.select():
configDishes[dish.id] = dish
configCrafts = {}
for craft in ConfigSpacecraft.select():
configCrafts[craft.id] = craft
configstates = {}
for state in ConfigState.select():
if not (state.valuetype in ('none','idle')):
configstates[state.id] = state
datadishes = []
datasignals = {}
for dishid in (DataDish.select(DataDish.configdishid, fn.max(DataEvent.time).alias('time'))
.join(DataEvent, on=(DataDish.eventid==DataEvent.id))
.group_by(DataDish.configdishid).dict()):
for dish in (DataDish.select()
.join(DataEvent, on=(DataDish.eventid==DataEvent.id))
.where(DataDish.configdishid==dishid['configdishid'] & DataEvent.time==dishid['time'])):
datadishes.push(dish)
datasignals[dish.configdishid] = []
signalEvent = (DataSignal.select(DataSignal.eventid)
.join(DataEvent, on=(DataSignal.eventid==DataEvent.id))
.where(DataSignal.configdishid == dish.id)
.order_by(DataEvent.time.desc())
.limit(1).scalar())
for signal in (DataSignal.select()
.where(DataSignal.configdishid==dish.id & DataSignal.eventid==signalEvent)):
datasignals[dish.configdishid].push(signal)
thisEvent = 0
usedStates = {}
if format == 'sdxf2':
dishOut = []
for dish in dishes:
configDish = configDishes.get(dish.configdishid, None)
if configDish:
signalOut = []
if thisEvent < dish.eventid:
thisEvent = dish.eventid
for signal in datasignals[dish.configdishid]:
craft = configCrafts.get(signal.configspacecraftid, None)
state = configStates.get(signal.stateid, None)
if craft and state:
signalOut.append({
'craft': craft.name,
'flags': pick_if_one(signal.flags.split(',')),
'state': signal.stateid,
'upDown': signal.updown
})
if not(signal.stateid in usedStates):
usedStates[signal.stateid] = True
if thisEvent < signal.eventid:
thisEvent = signal.eventid
targetOut = []
if dish.targetspacecraft1:
craft = configCrafts.get(dish.targetspacecraft1, None)
if craft:
targetOut.append({'craft': craft.name})
if dish.targetspacecraft2:
craft = configCrafts.get(dish.targetspacecraft2, None)
if craft:
targetOut.append({'craft': craft.name})
if dish.targetspacecraft3:
craft = configCrafts.get(dish.targetspacecraft3, None)
if craft:
targetOut.append({'craft': craft.name})
dishOut.append({
'name': configDish.name,
'flags': pick_if_one(dish.flags.split(',')),
'signals': signalOut,
'targets': targetOut
})
stateOut = []
for id in usedStates:
state = configStates.get(id, None)
if state:
stateOut.append({
'ID': state.id,
'upDown': state.updown,
'decoder1': state.decoder1,
'decoder2': state.decoder2,
'encoding': state.encoding,
'flags': pick_if_one(state.flags.split(',')),
'task': state.task,
'class': state.valuetype
})
with Using(db, [DataEvent]):
maxTime = DataEvent.select(DataEvent.time).where(DataEvent.id == thisEvent).limit(1).scalar()
statusOut = sdxf2.encode({'time':maxTime, 'dishes':dishOut, 'state':stateOut})
start_response('200 Ok', {
'Content-type': 'application/x-sdxf2',
'ETag': 'W/"' + unicode(thisEvent) + '"'
})
return [statusOut]
else: # default to XML
dishesOut = E.dishes()
for dish in dishes:
configDish = configDishes.get(dish.configdishid, None)
if configDish:
if thisEvent < dish.eventid:
thisEvent = dish.eventid
dishOut = E.dish({
'name': configDish.name,
'flags': dish.flags if state.flags != '' else None
})
dishOut.append(dishOut)
for signal in datasignals[dish.configdishid]:
craft = configCrafts.get(signal.configspacecraftid, None)
state = configStates.get(signal.stateid, None)
if craft and state:
dishOut.append(E.signal({
'craft': craft.name,
'flags': signal.flags if state.flags != '' else None,
'state': signal.stateid,
'upDown': signal.updown
}))
if not(signal.stateid in usedStates):
usedStates[signal.stateid] = True
if thisEvent < signal.eventid:
thisEvent = signal.eventid
if dish.targetspacecraft1:
craft = configCrafts.get(dish.targetspacecraft1, None)
if craft:
dishOut.append(E.target({'craft': craft.name}))
if dish.targetspacecraft2:
craft = configCrafts.get(dish.targetspacecraft2, None)
if craft:
dishOut.append(E.target({'craft': craft.name}))
if dish.targetspacecraft3:
craft = configCrafts.get(dish.targetspacecraft3, None)
if craft:
dishOut.append(E.target({'craft': craft.name}))
stateOut = E.states()
for id in usedStates:
state = configStates.get(id, None)
if state:
stateOut.append(E.state({
'ID': state.id,
'upDown': state.updown,
'decoder1': state.decoder1,
'decoder2': state.decoder2,
'encoding': state.encoding,
'flags': state.flags if state.flags != '' else None,
'task': state.task,
'class': state.valuetype
}))
with Using(db, [DataEvent]):
maxTime = DataEvent.select(DataEvent.time).where(DataEvent.id == thisEvent).limit(1).scalar()
stateOut = E.status({'time':maxTime}, dishesOut, stateOut).toString().encode('utf-8')
start_response('200 Ok', {
'Content-type': 'text/xml',
'ETag': 'W/"' + unicode(thisEvent) + '"'
})
return [result]
