refactoring: media system.

server/src/models/Expense.js

@@ -1,6 +1,7 @@
 import { Model } from 'objection';
 import TenantModel from 'models/TenantModel';
 import { viewRolesBuilder } from 'lib/ViewRolesBuilder';
+import Media from './Media';
 
 export default class Expense extends TenantModel {
   /**
@@ -24,6 +25,11 @@ export default class Expense extends TenantModel {
     return ['createdAt', 'updatedAt'];
   }
 
+
+  static get media () {
+    return true;
+  }
+
   /**
    * Model modifiers.
    */
@@ -55,7 +61,6 @@ export default class Expense extends TenantModel {
           query.where('payment_account_id', accountId);
         }
       },
-
       viewRolesBuilder(query, conditionals, expression) {
         viewRolesBuilder(conditionals, expression)(query);
       },
@@ -68,6 +73,7 @@ export default class Expense extends TenantModel {
   static get relationMappings() {
     const Account = require('models/Account');
     const ExpenseCategory = require('models/ExpenseCategory');
+    const Media = require('models/Media');
 
     return {
       paymentAccount: {
@@ -86,6 +92,18 @@ export default class Expense extends TenantModel {
           to: 'expense_transaction_categories.expenseId',
         },
       },
+      media: {
+        relation: Model.ManyToManyRelation,
+        modelClass: Media.default,
+        join: {
+          from: 'expenses_transactions.id',
+          through: {
+            from: 'media_links.model_id',
+            to: 'media_links.media_id',
+          },
+          to: 'media.id',
+        },
+      },
     };
   }
 

server/src/models/Media.js

@@ -1,3 +1,4 @@
+import { Model } from 'objection';
 import TenantModel from 'models/TenantModel';
 
 export default class Media extends TenantModel {
@@ -7,4 +8,29 @@ export default class Media extends TenantModel {
   static get tableName() {
     return 'media';
   }
+
+  /**
+   * Model timestamps.
+   */
+  get timestamps() {
+    return ['createdAt', 'updatedAt'];
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    const MediaLink = require('models/MediaLink');
+
+    return {
+      links: {
+        relation: Model.HasManyRelation,
+        modelClass: MediaLink.default,
+        join: {
+          from: 'media.id',
+          to: 'media_links.media_id',
+        },
+      },
+    };
+  }
 }

server/src/models/ResourcableModel.js

@@ -0,0 +1,8 @@
+
+
+export default class ResourceableModel {
+
+  static get resourceable() {
+    return true;
+  }
+}