Load contribution details from IPFS

app/models/proposal.js

@@ -23,6 +23,39 @@ export default Ember.Object.extend({
   details: null,
   ipfsHash: null,
 
+  /**
+   * Loads the contribution details from IPFS and sets local instance
+   * properties from it
+   *
+   * @method
+   * @public
+   */
+  loadContribution(ipfs) {
+    let promise = new Ember.RSVP.Promise((resolve, reject) => {
+      ipfs.getFile(this.get('ipfsHash')).then(content => {
+        let contributionJSON = JSON.parse(content);
+        let contribution = Ember.Object.create(contributionJSON);
+
+        this.setProperties({
+          kind: contribution.get('kind'),
+          description: contribution.get('description'),
+          url: contribution.get('url')
+        });
+
+        // TODO load details
+        // let details = profile.get('accounts');
+
+        Ember.Logger.debug('[proposal] loaded contribution details', contributionJSON);
+        resolve();
+      }).catch((err) => {
+        Ember.Logger.error('[proposal] error trying to load contribution details', this.get('ipfsHash'), err);
+        reject(err);
+      });
+    });
+
+    return promise;
+  },
+
   /**
    * Creates a JSON-LD object of the contribution, according to
    * https://github.com/67P/kosmos-schemas/blob/master/schemas/contribution.json

app/services/kredits.js

@@ -148,8 +148,16 @@ export default Service.extend({
           url              : p[6],
           ipfsHash         : p[7]
         });
-        Ember.Logger.debug('[kredits] proposal', proposal);
-        resolve(proposal);
+
+        if (proposal.get('ipfsHash')) {
+          proposal.loadContribution(this.get('ipfs')).then(
+            () => resolve(proposal),
+            err => reject(err)
+          );
+        } else {
+          Ember.Logger.warn('[kredits] proposal from blockchain is missing IPFS hash', proposal);
+          resolve(proposal);
+        }
       }).catch(err => reject(err));
     });
     return promise;