back/methods/notification/deleteSubcription.js

@@ -0,0 +1,56 @@
+module.exports = Self => {
+    Self.remoteMethod('deleteSubscription', {
+        description: 'delete a notification subscription',
+        accessType: 'WRITE',
+        accepts: [
+            {
+                arg: 'notificationId',
+                type: 'string',
+                required: true
+            },
+            {
+                arg: 'userId',
+                type: 'string',
+                required: true
+            }
+        ],
+        returns: {
+            type: 'object',
+            root: true
+        },
+        http: {
+            path: `/deleteSubscription`,
+            verb: 'POST'
+        }
+    });
+
+    Self.deleteSubscription = async(notificationId, userId, options) => {
+        const myOptions = {};
+        let tx;
+
+        if (typeof options == 'object')
+
+            Object.assign(myOptions, options);
+
+        if (!myOptions.transaction) {
+            tx = await Self.beginTransaction({});
+
+            myOptions.transaction = tx;
+        }
+
+        try {
+            const query = `DELETE FROM util.notificationSubscription 
+            WHERE notificationFk = ? AND userFk = ?`;
+
+            await Self.rawSql(query, [notificationId, userId], myOptions);
+
+            if (tx) await tx.commit();
+
+            return {success: true};
+        } catch (error) {
+            if (tx) await tx.rollback();
+
+            throw error;
+        }
+    };
+};

back/models/notificationAcl.json

@@ -6,6 +6,16 @@
 			"table": "util.notificationAcl"
 		}
 	},
+    "properties":{
+        "notificationFk": {
+            "id": true,
+            "type": "number"
+          },
+          "roleFk":{
+            "id": true,
+            "type": "number"
+          }
+    },
 	"relations": {
         "notification": {
             "type": "belongsTo",

back/models/notificationSubscription.js

@@ -0,0 +1,3 @@
+module.exports = Self => {
+    require('../methods/notification/deleteSubcription')(Self);
+};

back/models/notificationSubscription.json

@@ -9,7 +9,6 @@
     "properties": {
         "notificationFk": {
             "type": "number",
-            "id": true,
             "description": "Identifier"
         },
         "userFk": {