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dreadjr/FirebaseService.js

Last active September 3, 2015 20:07
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oloo tries
Raw
FirebaseService.js
var FirebaseService = {
init: function(fb) {
this.fb = fb;
},
pathRef: function(args) {
for (var i = 0; i < args.length; i++) {
if (angular.isArray(args[i])) {
args[i] = this.pathRef(args[i]);
}
else if (typeof args[i] !== 'string') {
throw new Error('Argument ' + i + ' to firebaseRef is not a string: ' + args[i]);
}
}
return args.join('/');
},
ref: function() {
var ref = this.fb;
var args = Array.prototype.slice.call(arguments);
if (args.length) {
ref = ref.child(this.pathRef(args));
}
return ref;
},
once: function(ref, on) {
return new Promise(function (resolve, reject) {
ref.once(on || 'value', function (snap) {
resolve(snap);
}, function (err) {
reject(err);
});
});
}
}
module.exports = FirebaseService;
Raw
try1.js
var FirebaseService = require('./FirebaseService');
// maybe this way?
var ProfileService = Object.create(FirebaseService);
ProfileService.profileRef = function(id) {
return this.ref("users").child(id).child("profile");
};
Profile.getProfile = function(id) {
return this.once(this.getProfile(id), 'value');
};
var UserService = Object.create(FirebaseService);
UserService.usersRef = function(id) {
return this.ref("users").child(id);
};
UserService.getUser = function(id) {
return this.once(this.usersRef(id), 'value');
};
// what to export?
module.exports = {
UserService: UserService,
ProfileService: ProfileService,
// ect.
};
Raw
try2.js
var FirebaseService = require('./FirebaseService');
var UserService = Object.create(FirebaseService);
UserService.usersRef = function(id) {
return this.ref("users").child(id);
};
UserService.getUser = function(id) {
return this.once(this.usersRef(id), 'value');
};
// or maybe this way?
var ProfileUserService = Object.create(UserService);
ProfileUserService.getProfile = function(id) {
return this.once(this.usersRef(id).child("profile"), 'value');
};
// what to export?
module.exports = {
UserService: UserService,
ProfileUserService: ProfileUserService,
// ect.
};
Raw
try3.js
var FullUserService = Object.create(UserService);
FullUserService.ProfileService = Object.create(ProfileService);
FullUserService.AnotherService = Object.create(AnotherService);
U.ProfileService.getProfile();
// U.getProfile()?
Raw
usage.js
var U = Object.create(ProfileUserService); // or just UserService
U.init(fb);
u.getUser("id").then(function(user) {
console.log('found user')
});
u.getProfile("id").then(function(profile) {
console.log('found profile')
});
//u.getSomethingElse("id").then(function(somethingelse) {
// console.log('found somethingelse')
//});
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