Add Reimbursement app

lib/serializers/contribution.js

@@ -1,4 +1,4 @@
-const schemas = require('kosmos-schemas');
+const schemas = require('@kosmos/schemas');
 const validator = require('../utils/validator');
 
 /**

lib/serializers/contributor.js

@@ -1,4 +1,4 @@
-const schemas = require('kosmos-schemas');
+const schemas = require('@kosmos/schemas');
 const validator = require('../utils/validator');
 /**
  * Handle serialization for JSON-LD object of the contributor, according to

lib/serializers/expense.js

@@ -0,0 +1,98 @@
+let schemas = require('@kosmos/schemas');
+schemas['expense'] = require('@kosmos/schemas/schemas/expense.json');
+const validator = require('../utils/validator');
+
+/**
+ * Serialization and validation for JSON-LD document of the Expense
+ *
+ * @class
+ * @public
+ */
+class Expense {
+
+  constructor (attrs) {
+    Object.keys(attrs).forEach(a => this[a] = attrs[a]);
+  }
+
+  /**
+   * Serialize object to JSON
+   *
+   * @public
+   */
+  serialize () {
+    let {
+      title,
+      description,
+      currency,
+      amount,
+      date,
+      url,
+      tags,
+      details,
+    } = this;
+
+    let data = {
+      '@context': 'https://schema.kosmos.org',
+      '@type': 'Expense',
+      title,
+      description,
+      currency,
+      amount,
+      date,
+      'tags': tags || [],
+      'details': details || {},
+    };
+
+    if (url) {
+      data['url'] = url;
+    }
+
+    // Write it pretty to ipfs
+    return JSON.stringify(data, null, 2);
+  }
+
+  /**
+   * Validate serialized data against schema
+   *
+   * @public
+   */
+  validate () {
+    const serialized = JSON.parse(this.serialize());
+    console.log(schemas['expense']);
+    const valid = validator.validate(serialized, schemas['expense']);
+    return valid ? Promise.resolve() : Promise.reject(validator.error);
+  }
+
+  /**
+   * Deserialize JSON to object
+   *
+   * @public
+   */
+  static deserialize (serialized) {
+    let {
+      title,
+      description,
+      currency,
+      amount,
+      date,
+      url,
+      tags,
+      details,
+    } = JSON.parse(serialized.toString('utf8'));
+
+    return {
+      title,
+      description,
+      currency,
+      amount,
+      date,
+      url,
+      tags,
+      details,
+      ipfsData: serialized,
+    };
+  }
+
+}
+
+module.exports = Expense;