feat(belongsToMany): support multiple relationships between same objects (#22)

* feat(belongsToMany): support multiple relationships between same objects

Author: gjuchault

lib/model/saveAll.belongsToMany.js

@@ -1,5 +1,4 @@
 const debug = require('debug')('requelize:model:saveAll')
-const generateJoinId = require('./util/generateJoinId')
 
 function baseSaveAll (Model, inst, requelize, key, join, RelModel, subTree, subInst_) {
   debug(`saving belongsToMany ${Model._name}:${key} -> ${RelModel._name}`)
@@ -8,9 +7,7 @@ function baseSaveAll (Model, inst, requelize, key, join, RelModel, subTree, subI
   return subInst
     .then(subInst => subInst.saveAll(subTree))
     .then((subInst) => {
-      const joinId = generateJoinId(Model, RelModel, inst, subInst)
       const joinRel = new join.JoinModel({
-        id: joinId,
         [Model._name]: inst[Model._options.primaryKey],
         [RelModel._name]: subInst[RelModel._options.primaryKey]
       })
@@ -33,7 +30,6 @@ function saveThrough (Model, inst, requelize, key, join, RelModel, subTree, subI
 
   return subInst.document.saveAll(subTree)
     .then(() => {
-      joinRel.id = generateJoinId(Model, RelModel, inst, subInst.document)
       joinRel._data[Model._name] = inst[Model._options.primaryKey]
       joinRel._data[RelModel._name] = subInst.document[RelModel._options.primaryKey]
 

lib/model/util/generateJoinId.js

@@ -1,6 +1,6 @@
 {
   "name": "requelize",
-  "version": "0.8.1",
+  "version": "0.9.0",
   "description": "RethinkDB ORM",
   "main": "index.js",
   "repository": "https://github.com/buckless/requelize.git",