Rudimentary graph model/entity plugins. This implementation works with couchdb, but the interface is flexible enough to support any db.
npm i graphiti
var BaseModel = require('graphiti').BaseModel;
var BaseEntity = require('graphiti').BaseEntity;
var Dog = BaseModel.extend({
schema: {
name: {
required: true,
type: 'string'
}
}
});
var DogPound = BaseEntity.extend({
schema: {
name: {
required: true,
type: 'string'
},
city: {
required: true,
type: 'string'
},
state: {
required: true,
type: 'string'
}
},
graph_schema: {
"id": "/graph",
"type": "object",
"properties": {
"model_type": {
"enum": [
"dog"
],
"required": true
}
}
}
});
Configure it just like any other mixdown plugin:
{
"plugins": {
"dogs": {
"module": "dog",
"options": {
"couchdb": {
"url": "http://localhost:5984",
"database": "dogs"
}
}
},
"dog_pound": {
"module": "./dog_pound.js",
"options": {
"couchdb": {
"url": "http://localhost:5984",
"database": "dogs"
}
}
}
}
}
# Insert Data
app.dogs.save({ name: 'Snoop' });
app.dogs.save({ name: 'Dre' });
var dre = app.dogs.get( ... ); //async signature omitted for brevity var snoop = app.dogs.get( ... ); //async signature omitted for brevity
var lbc = app.dog_pound.new_entity({ name: 'LBC', city: 'Long Beach', state: 'CA' });
lbc.add_content(dre); lbc.add_content(snoop); app.dog_pound.save(lbc);
# Fetch Data
Once attached to an app, you just call it:
app.dogs.get(snoop_id, function(err, snoop_dog) {
console.log(snoop_dog.view_model());
});
app.dog_pound.get(lbc_id, function(err, record) {
app.dog_pound.hydrate(record, function(err, lbc) {
console.log(lbc.view_model());
});
});
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