spincycle

defer = require('node-promise').defer uuid = require('node-uuid') error = require('./Error').error debug = process.env["DEBUG"] class OStore @objects: [] @types: [] @listeners: [] @objectsByType: [] @blackList: ['id', 'createdAt', 'createdBy', 'updatedAt', 'admin'] @updateQueue = [] @listObjectsByType: (type) => rv = [] if debug then console.log 'OStore::listObjectsByType called for type '+type v = @objectsByType[type] for kk,vv of v if vv rv.push vv if debug then console.log 'adding '+vv.name return rv @listTypes: () => rv = [] console.log 'listTypes called' console.dir @types for k,v of @types rv.push v return rv @storeObject: (obj, sendUpdates = true) => #if debug then console.log 'OStore.storeObject called for object '+obj.id if obj OStore.objects[obj.id] = obj OStore.types[obj.type] = obj.type objs = OStore.objectsByType[obj.type] or {} objs[obj.id] = obj OStore.objectsByType[obj.type] = objs if debug then console.log 'storeObject storing '+obj.id+' with type '+obj.type @sendUpdatesFor(obj, sendUpdates) @getObject: (id, type) => q = defer() hash = OStore.objectsByType[type] or {} obj = hash[id] if obj #console.log 'getObject getting '+obj.id+' with type '+obj.type else #console.log '-- * -- getObject could not find object type '+type+' with id '+id q.resolve(obj) return q @removeObject: (obj) => if obj and obj.id delete OStore.objects[obj.id] objs = @objectsByType[obj.type] or [] if objs[obj.id] then delete objs[obj.id] OStore.objectsByType[obj.type] = obj @updateObj = (record, force) -> if debug then console.log '+ oStore.updateObj called for obj '+record.id+' force = '+force #console.log 'updateObj '+record #console.dir record obj = OStore.objects[record.id] if obj whitelist = obj.getRecord() #FFS delete whitelist.id delete whitelist.type diff = {} changed = false; record.modifiedAt = Date.now() for p of whitelist #if debug then console.log 'checking whitelist property '+p for pp of record #if debug then console.log ' comparing to incoming property '+pp if pp is p #if debug then console.log ' match!' if pp not in OStore.blackList if obj[pp] != record[pp] or (record[pp] and obj[pp].length and obj[pp].length != record[pp].length) or force == true clean = @makeClean(record[pp]) if clean diff[pp] = clean changed = true obj[pp] = clean if debug then console.log '** updating property "'+pp+'" on '+obj.type+' id '+record.id+' to '+clean #if debug then console.dir pp #if debug then console.log '--------------------------------------------------------------------------' #if debug then console.dir clean OStore.objects[record.id] = obj if OStore.anyoneIsListening(obj.id) or force #console.log 'updateObj calling sendUpdates for '+record.id if not changed then changed = force OStore.sendUpdatesFor(obj, changed, force) else console.log 'OStore: tried to update an object which we did not have in cache!' @makeClean: (property) -> rv = "" if property and property isnt null and property isnt "undefined" and property isnt "null" if property.filter rv = property.filter (item)-> item and item isnt null and item isnt "undefined" and item isnt "null" else rv = property rv @sendUpdatesFor: (obj, changed, force) => #if debug then console.log 'OStore.sendUpdatesFor called for obj '+obj.id+' type '+obj.type+' changed = '+changed+', force = '+force+', anyone is listening == '+OStore.anyoneIsListening(obj.id) if (changed or force) and OStore.anyoneIsListening(obj.id) #console.dir obj #console.log 'adding obj to updateQueue..' OStore.updateQueue.push obj @sendAtInterval() @sendAllUpdatesFor: (obj, changed) => sendobj = {id: obj.id, type:obj.type, list:[], toClient: () -> {id: obj.id, type:obj.type, list:sendobj.list}} count = obj.list.length obj.list.forEach (id) => OStore.getObject(id, obj.type).then (o) => #console.log 'sendAllUpdatesFor adding list object '+id #if debug then console.dir o sendobj.list.push o.toClient() if --count == 0 if changed if OStore.anyoneIsListening(sendobj.id) then OStore.updateQueue.push sendobj @anyoneIsListening:(id)=> rv = false larr = OStore.listeners[id] if larr for l of larr rv = true rv @addListenerFor:(id, type, cb) => #console.log 'OStore::addListenerFor called with type:'+type+' id '+id list = OStore.listeners[id] or [] listenerId = uuid.v4() #console.log 'listener id = '+listenerId list[listenerId] = cb OStore.listeners[id] = list #if debug then console.log 'listeners list is now' #if debug then console.dir OStore.listeners[id] #@getObject(id, type).then((result) -> # cb(result) #, error) #console.dir OStore.listeners return listenerId @removeListenerFor: (id, listenerId) => list = OStore.listeners[id] or [] delete list[listenerId] tmp = [] for i, cb of list tmp[i] = cb if cb OStore.listeners[id] = tmp if debug then console.log 'removing listener for object '+id if debug then console.log 'listeners list is now' if debug then console.dir OStore.listeners[id] @sendAtInterval: () => #console.log '-------------------------------------------------------sendAtInterval called ' #console.dir OStore.updateQueue if OStore.updateQueue.length > 0 if debug then console.log 'OStore.sendAtInterval queue length = '+OStore.updateQueue.length l = OStore.updateQueue.length count = 0 while count < l count++ obj = OStore.updateQueue.shift() #console.dir OStore.listeners listeners = OStore.listeners[obj.id] or [] for lid of listeners #console.log 'sending to listener '+lid+' -> '+listeners[lid] listeners[lid](obj) if debug then console.log 'queue length after send = '+OStore.updateQueue.length setTimeout(@sendAtInterval,50) @sendAtInterval() module.exports = OStore