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embark-area-51
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Refactored EmbarkJS Storage logic to allow multiple storage providers

This commit is contained in:
Andy Nogueira 2017-03-14 11:39:09 -04:00
parent 494e776f05
commit fdf0129e5d
2 changed files with 166 additions and 92 deletions
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117
js/build/embark.bundle.js
View File

@ -74,6 +74,10 @@ var EmbarkJS =
/*jshint esversion: 6 */
//var Ipfs = require('./ipfs.js');
//=========================================================
// Embark Smart Contracts
//=========================================================
var EmbarkJS = {
};
@ -210,6 +214,10 @@ EmbarkJS.Contract.prototype.deploy = function(args, _options) {
return promise;
};
//=========================================================
// Embark Storage
//=========================================================
EmbarkJS.Storage = {
};
@ -221,40 +229,54 @@ EmbarkJS.Storage.Providers = {
EmbarkJS.Storage.IPFS = {
};
EmbarkJS.Storage.IPFS.saveText = function(text) {
EmbarkJS.Storage.connect = function(provider){
var self = this;
if (!this.ipfsConnection) {
this.setProvider('ipfs');
}
if (provider.toLowerCase() === EmbarkJS.Storage.Providers.IPFS) {
var promise = new Promise(function(resolve, reject) {
self.ipfsConnection.add((new self.ipfsConnection.Buffer(text)), function(err, result) {
if (err) {
reject(err);
} else {
resolve(result[0].path);
resolve(self.currentStorage.ipfsConnection);
});
}
else {
reject('Storage provider not supported');
}
});
});
return promise;
};
EmbarkJS.Storage.saveText = function(text) {
return this.currentStorage.sendMessage(text);
return this.currentStorage.saveText(text);
};
EmbarkJS.Storage.get = function(hash) {
return this.currentStorage.get(hash);
};
EmbarkJS.Storage.uploadFile = function(inputSelector){
return this.currentStorage.uploadFile(inputSelector);
}
EmbarkJS.Storage.getUrl = function(hash){
return this.currentStorage.getUrl(hash);
}
EmbarkJS.Storage.setProvider = function(provider, options) {
if (provider.toLowerCase() === EmbarkJS.Storage.Providers.IPFS) {
//I don't think currentStorage is used anywhere, this might not be needed
//for now until additional storage providers are supported. But keeping it
//anyways
this.currentStorage = EmbarkJS.Storage.IPFS;
try{
if (options === undefined) {
this.ipfsConnection = IpfsApi('localhost', '5001');
this.currentStorage.ipfsConnection = IpfsApi('localhost', '5001');
} else {
this.ipfsConnection = IpfsApi(options.server, options.port);
this.currentStorage.ipfsConnection = IpfsApi(options.server, options.port);
}
}
catch(err){
this.currentStorage.ipfsConnection = null;
}
}
else if (provider.toLowerCase() === EmbarkJS.Storage.SWARM){
throw Error('Swarm not implemented');
this.currentStorage = EmbarkJS.Storage.SWARM;
@ -269,12 +291,16 @@ EmbarkJS.Storage.setProvider = function(provider, options) {
}
};
EmbarkJS.Storage.saveText = function(text) {
EmbarkJS.Storage.IPFS.saveText = function(text) {
var self = this;
if (!this.ipfsConnection) {
this.setProvider('ipfs');
if (!self.ipfsConnection) {
EmbarkJS.Storage.setProvider(EmbarkJS.Storage.Providers.IPFS);
}
var promise = new Promise(function(resolve, reject) {
if (!self.ipfsConnection){
var connectionError = new Error('No IPFS connection');
reject(connectionError);
}
self.ipfsConnection.add((new self.ipfsConnection.Buffer(text)), function(err, result) {
if (err) {
reject(err);
@ -287,7 +313,29 @@ EmbarkJS.Storage.saveText = function(text) {
return promise;
};
EmbarkJS.Storage.uploadFile = function(inputSelector) {
EmbarkJS.Storage.IPFS.get = function(hash) {
var self = this;
// TODO: detect type, then convert if needed
//var ipfsHash = web3.toAscii(hash);
if (!self.ipfsConnection) {
EmbarkJS.Storage.setProvider(EmbarkJS.Storage.Providers.IPFS);
}
var promise = new Promise(function(resolve, reject) {
if (!self.ipfsConnection){
var connectionError = new Error('No IPFS connection');
reject(connectionError);
}
self.ipfsConnection.object.get([hash]).then(function(node) {
resolve(node.data);
}).catch(function (err){
reject(err);
});
});
return promise;
};
EmbarkJS.Storage.IPFS.uploadFile = function(inputSelector) {
var self = this;
var file = inputSelector[0].files[0];
@ -295,11 +343,15 @@ EmbarkJS.Storage.uploadFile = function(inputSelector) {
throw new Error('no file found');
}
if (!this.ipfsConnection) {
this.setProvider('ipfs');
if (!self.ipfsConnection) {
EmbarkJS.Storage.setProvider(EmbarkJS.Storage.Providers.IPFS);
}
var promise = new Promise(function(resolve, reject) {
if (!self.ipfsConnection){
var connectionError = new Error('No IPFS connection');
reject(connectionError);
}
var reader = new FileReader();
reader.onloadend = function() {
var fileContent = reader.result;
@ -318,31 +370,16 @@ EmbarkJS.Storage.uploadFile = function(inputSelector) {
return promise;
};
EmbarkJS.Storage.get = function(hash) {
var self = this;
// TODO: detect type, then convert if needed
//var ipfsHash = web3.toAscii(hash);
if (!this.ipfsConnection) {
this.setProvider('ipfs');
}
var promise = new Promise(function(resolve, reject) {
self.ipfsConnection.object.get([hash]).then(function(node) {
resolve(node.data);
}).catch(function (err){
reject(err);
});
});
return promise;
};
EmbarkJS.Storage.getUrl = function(hash) {
EmbarkJS.Storage.IPFS.getUrl = function(hash) {
//var ipfsHash = web3.toAscii(hash);
return 'http://localhost:8080/ipfs/' + hash;
};
//=========================================================
// Embark Messaging
//=========================================================
EmbarkJS.Messages = {
};

117
js/embark.js
View File

@ -1,6 +1,10 @@
/*jshint esversion: 6 */
//var Ipfs = require('./ipfs.js');
//=========================================================
// Embark Smart Contracts
//=========================================================
var EmbarkJS = {
};
@ -137,6 +141,10 @@ EmbarkJS.Contract.prototype.deploy = function(args, _options) {
return promise;
};
//=========================================================
// Embark Storage
//=========================================================
EmbarkJS.Storage = {
};
@ -148,40 +156,54 @@ EmbarkJS.Storage.Providers = {
EmbarkJS.Storage.IPFS = {
};
EmbarkJS.Storage.IPFS.saveText = function(text) {
EmbarkJS.Storage.connect = function(provider){
var self = this;
if (!this.ipfsConnection) {
this.setProvider('ipfs');
}
if (provider.toLowerCase() === EmbarkJS.Storage.Providers.IPFS) {
var promise = new Promise(function(resolve, reject) {
self.ipfsConnection.add((new self.ipfsConnection.Buffer(text)), function(err, result) {
if (err) {
reject(err);
} else {
resolve(result[0].path);
resolve(self.currentStorage.ipfsConnection);
});
}
else {
reject('Storage provider not supported');
}
});
});
return promise;
};
EmbarkJS.Storage.saveText = function(text) {
return this.currentStorage.sendMessage(text);
return this.currentStorage.saveText(text);
};
EmbarkJS.Storage.get = function(hash) {
return this.currentStorage.get(hash);
};
EmbarkJS.Storage.uploadFile = function(inputSelector){
return this.currentStorage.uploadFile(inputSelector);
}
EmbarkJS.Storage.getUrl = function(hash){
return this.currentStorage.getUrl(hash);
}
EmbarkJS.Storage.setProvider = function(provider, options) {
if (provider.toLowerCase() === EmbarkJS.Storage.Providers.IPFS) {
//I don't think currentStorage is used anywhere, this might not be needed
//for now until additional storage providers are supported. But keeping it
//anyways
this.currentStorage = EmbarkJS.Storage.IPFS;
try{
if (options === undefined) {
this.ipfsConnection = IpfsApi('localhost', '5001');
this.currentStorage.ipfsConnection = IpfsApi('localhost', '5001');
} else {
this.ipfsConnection = IpfsApi(options.server, options.port);
this.currentStorage.ipfsConnection = IpfsApi(options.server, options.port);
}
}
catch(err){
this.currentStorage.ipfsConnection = null;
}
}
else if (provider.toLowerCase() === EmbarkJS.Storage.SWARM){
throw Error('Swarm not implemented');
this.currentStorage = EmbarkJS.Storage.SWARM;
@ -196,12 +218,16 @@ EmbarkJS.Storage.setProvider = function(provider, options) {
}
};
EmbarkJS.Storage.saveText = function(text) {
EmbarkJS.Storage.IPFS.saveText = function(text) {
var self = this;
if (!this.ipfsConnection) {
this.setProvider('ipfs');
if (!self.ipfsConnection) {
EmbarkJS.Storage.setProvider(EmbarkJS.Storage.Providers.IPFS);
}
var promise = new Promise(function(resolve, reject) {
if (!self.ipfsConnection){
var connectionError = new Error('No IPFS connection');
reject(connectionError);
}
self.ipfsConnection.add((new self.ipfsConnection.Buffer(text)), function(err, result) {
if (err) {
reject(err);
@ -214,7 +240,29 @@ EmbarkJS.Storage.saveText = function(text) {
return promise;
};
EmbarkJS.Storage.uploadFile = function(inputSelector) {
EmbarkJS.Storage.IPFS.get = function(hash) {
var self = this;
// TODO: detect type, then convert if needed
//var ipfsHash = web3.toAscii(hash);
if (!self.ipfsConnection) {
EmbarkJS.Storage.setProvider(EmbarkJS.Storage.Providers.IPFS);
}
var promise = new Promise(function(resolve, reject) {
if (!self.ipfsConnection){
var connectionError = new Error('No IPFS connection');
reject(connectionError);
}
self.ipfsConnection.object.get([hash]).then(function(node) {
resolve(node.data);
}).catch(function (err){
reject(err);
});
});
return promise;
};
EmbarkJS.Storage.IPFS.uploadFile = function(inputSelector) {
var self = this;
var file = inputSelector[0].files[0];
@ -222,11 +270,15 @@ EmbarkJS.Storage.uploadFile = function(inputSelector) {
throw new Error('no file found');
}
if (!this.ipfsConnection) {
this.setProvider('ipfs');
if (!self.ipfsConnection) {
EmbarkJS.Storage.setProvider(EmbarkJS.Storage.Providers.IPFS);
}
var promise = new Promise(function(resolve, reject) {
if (!self.ipfsConnection){
var connectionError = new Error('No IPFS connection');
reject(connectionError);
}
var reader = new FileReader();
reader.onloadend = function() {
var fileContent = reader.result;
@ -245,31 +297,16 @@ EmbarkJS.Storage.uploadFile = function(inputSelector) {
return promise;
};
EmbarkJS.Storage.get = function(hash) {
var self = this;
// TODO: detect type, then convert if needed
//var ipfsHash = web3.toAscii(hash);
if (!this.ipfsConnection) {
this.setProvider('ipfs');
}
var promise = new Promise(function(resolve, reject) {
self.ipfsConnection.object.get([hash]).then(function(node) {
resolve(node.data);
}).catch(function (err){
reject(err);
});
});
return promise;
};
EmbarkJS.Storage.getUrl = function(hash) {
EmbarkJS.Storage.IPFS.getUrl = function(hash) {
//var ipfsHash = web3.toAscii(hash);
return 'http://localhost:8080/ipfs/' + hash;
};
//=========================================================
// Embark Messaging
//=========================================================
EmbarkJS.Messages = {
};