support versioning ipfs-api

lib/core/config.js

@@ -115,6 +115,9 @@ Config.prototype.loadContractsConfigFile = function() {
 Config.prototype.loadStorageConfigFile = function() {
   var configObject = {
     "default": {
+      "versions": {
+        "ipfs-api": "17.2.4"
+      },
       "enabled": true,
       "available_providers": ["ipfs"],
       "ipfs_bin": "ipfs",

lib/core/plugin.js

@@ -21,6 +21,7 @@ var Plugin = function(options) {
   this.serviceChecks = [];
   this.pluginTypes = [];
   this.uploadCmds = [];
+  this.imports = [];
   this.embarkjs_code = [];
   this.embarkjs_init_code = {};
   this.logger = options.logger;
@@ -158,6 +159,11 @@ Plugin.prototype.addProviderInit = function(providerType, code, initCondition) {
   this.pluginTypes.push('initCode');
 };
 
+Plugin.prototype.registerImportFile = function(importName, importLocation) {
+  this.imports.push([importName, importLocation]);
+  this.pluginTypes.push('imports');
+};
+
 Plugin.prototype.runFilePipeline = function() {
   var self = this;
 

lib/modules/ipfs/index.js

@@ -66,6 +66,7 @@ class IPFS {
   }
 
   addIPFSToEmbarkJS() {
+    const self = this;
     // TODO: make this a shouldAdd condition
     if (this.storageConfig === {}) {
       return;
@@ -75,6 +76,15 @@ class IPFS {
       return;
     }
 
+    self.events.request("version:get:ipfs-api", function(ipfsApiVersion) {
+      let currentIpfsApiVersion = require('../../../package.json').dependencies["ipfs-api"];
+      if (ipfsApiVersion !== currentIpfsApiVersion) {
+        self.events.request("version:getPackageLocation", "ipfs-api", ipfsApiVersion, function(err, location) {
+          self.embark.registerImportFile("ipfs-api", utils.joinPath(process.env.PWD, location));
+        });
+      }
+    });
+
     let code = "";
     code += "\n" + fs.readFileSync(utils.joinPath(__dirname, 'embarkjs.js')).toString();
     code += "\nEmbarkJS.Storage.registerProvider('ipfs', __embarkIPFS);";

lib/pipeline/pipeline.js

@@ -39,9 +39,10 @@ class Pipeline {
               importsList["Embark/EmbarkJS"] = utils.joinPath(fs.dappPath(), ".embark", 'embark.js');
               importsList["Embark/web3"] = utils.joinPath(fs.dappPath(), ".embark", 'web3_instance.js');
 
-              //importsList["ipfs-api"] = utils.joinPath(fs.dappPath(), ".embark", 'ipfs_api.js');
+              self.plugins.getPluginsProperty('imports', 'imports').forEach(function (importObject) {
-
+                let [importName, importLocation] = importObject;
-              //importsList["Embark/libs/IpfsApi"] = fs.embarkPath('js/ipfs.js');
+                importsList[importName] = importLocation;
+              });
 
               async.waterfall([
                 function findImports(next) {

lib/versions/library_manager.js

@@ -6,6 +6,7 @@ class LibraryManager {
     this.plugins = options.plugins;
     this.config = options.config;
     this.contractsConfig = this.config.contractsConfig;
+    this.storageConfig = this.config.storageConfig;
 
     this.embark = this.plugins.createPlugin('libraryManager', {});
 
@@ -21,7 +22,7 @@ class LibraryManager {
 
     let solcVersionInConfig = this.contractsConfig.versions.solc;
     let web3VersionInConfig = this.contractsConfig.versions["web3.js"];
-    let ipfsApiVersion = require('../../package.json').dependencies["ipfs-api"];
+    let ipfsApiVersion = this.storageConfig.versions["ipfs-api"];
 
     this.versions['solc'] = solcVersionInConfig;
     this.versions['web3'] = web3VersionInConfig;

test_app/config/storage.json

@@ -1,5 +1,8 @@
 {
   "default": {
+    "versions": {
+      "ipfs-api": "17.2.6"
+    },
     "enabled": true,
     "available_providers": ["ipfs"],
     "ipfs_bin": "ipfs",