Mercurial > pumpbridge
comparison src/edge.coffee @ 0:b73191efc65b
Initial import of pumpbridge (bloody bloody alpha)
| author | Mathias Gebbe <mgebbe@intevation.de> |
|---|---|
| date | Thu, 05 Jun 2014 10:35:15 +0200 |
| parents | |
| children |
comparison
equal
deleted
inserted
replaced
| -1:000000000000 | 0:b73191efc65b |
|---|---|
| 1 # edge.coffee | |
| 2 # | |
| 3 # A network edge between users in OStatus or pump.io graph | |
| 4 # | |
| 5 # Copyright 2013, E14N (https://e14n.com/) | |
| 6 # | |
| 7 # Licensed under the Apache License, Version 2.0 (the "License"); | |
| 8 # you may not use this file except in compliance with the License. | |
| 9 # You may obtain a copy of the License at | |
| 10 # | |
| 11 # http://www.apache.org/licenses/LICENSE-2.0 | |
| 12 # | |
| 13 # Unless required by applicable law or agreed to in writing, software | |
| 14 # distributed under the License is distributed on an "AS IS" BASIS, | |
| 15 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 16 # See the License for the specific language governing permissions and | |
| 17 # limitations under the License. | |
| 18 | |
| 19 _ = require("underscore") | |
| 20 async = require("async") | |
| 21 DatabankObject = require("databank").DatabankObject | |
| 22 Edge = DatabankObject.subClass("edge") | |
| 23 | |
| 24 Edge.schema = | |
| 25 pkey: "from_to" | |
| 26 fields: [ | |
| 27 "from" | |
| 28 "to" | |
| 29 "created" | |
| 30 "received" | |
| 31 ] | |
| 32 indices: [ | |
| 33 "from" | |
| 34 "to" | |
| 35 ] | |
| 36 | |
| 37 Edge.beforeCreate = (props, callback) -> | |
| 38 if not props.from or not props.to | |
| 39 callback new Error("Need 'from' and 'to' in an edge'"), null | |
| 40 return | |
| 41 props.from_to = Edge.key(props.from, props.to) | |
| 42 props.received = Date.now() | |
| 43 callback null, props | |
| 44 return | |
| 45 | |
| 46 Edge::beforeSave = (callback) -> | |
| 47 edge = this | |
| 48 if not edge.from or not edge.to | |
| 49 callback new Error("Need 'from' and 'to' in an edge'"), null | |
| 50 return | |
| 51 edge.from_to = Edge.key(edge.from, edge.to) | |
| 52 edge.received = Date.now() unless edge.received | |
| 53 callback null | |
| 54 return | |
| 55 | |
| 56 Edge.key = (fromId, toId) -> | |
| 57 fromId + "→" + toId | |
| 58 | |
| 59 module.exports = Edge |