Create contribution IPFS objects, attach to proposals

2017-06-06 21:27:05 +02:00
parent 0afbeea01b
commit 7b91e64af4
6 changed files with 149 additions and 37 deletions
@@ -1,16 +1,69 @@
 import Ember from 'ember';

+const {
+  isPresent,
+  isEmpty,
+} = Ember;
+
 export default Ember.Object.extend({

  id: null,
  creatorAddress: null,
  recipientAddress: null,
  recipientName: null,
+  recipientProfile: null,
  votesCount: null,
  votesNeeded: null,
  amount: null,
  executed: null,
+  contribution: null,
+  kind: null,
+  description: null,
  url: null,
-  ipfsHash: null
+  details: null,
+  ipfsHash: null,
+
+  /**
+   * Creates a JSON-LD object of the contribution, according to
+   * https://github.com/67P/kosmos-schemas/blob/master/schemas/contribution.json
+   *
+   * @method
+   * @public
+   */
+  contributionToJSON() {
+    if (isEmpty(this.get('recipientProfile'))) {
+      throw new Error('IPFS hash for recipient profile missing from proposal object');
+    }
+    if (isEmpty(this.get('kind')) || isEmpty(this.get('description'))) {
+      throw new Error('Missing one or more required properties: kind, description');
+    }
+
+    let contribution = {
+      "@context": "https://schema.kosmos.org",
+      "@type": "Contribution",
+      "contributor": {
+        "ipfs": this.get('recipientProfile')
+      },
+      "kind": this.get('kind'),
+      "description": this.get('description'),
+      "details": {}
+    };
+
+    if (isPresent(this.get('url'))) {
+      contribution["url"] = this.get('url');
+    }
+
+    return contribution;
+  },
+
+  /**
+   * Returns the JSON-LD representation of the contribution as a string
+   *
+   * @method
+   * @public
+   */
+  serializeContribution() {
+    return JSON.stringify(this.contributionToJSON());
+  }

 });