feat(gitlab: events): add pipeline (#21)

Adds pipelines events, thanks to @Formic.
Removes `pipeline` from default ignored events in the channel configuration.

Ref #21

lib/Gitlab/Events/pipeline.js

@@ -0,0 +1,42 @@
+const EventResponse = require('../EventResponse');
+
+class Pipeline extends EventResponse {
+  constructor(...args) {
+    super(...args, {
+      description: `This event is fired when a pipeline job finishes.`,
+    });
+  }
+  embed(data) {
+    if (data.object_attributes.status !== 'success' && data.object_attributes.status !== 'failed') return;
+
+    const branch = data.project.default_branch;
+    const id = data.object_attributes.id;
+    const result = data.object_attributes.status === 'success' ? 'passed' : 'failed';
+    const color = result === 'passed' ? 'success' : 'error';
+    const duration = data.object_attributes.duration;
+
+    const url = `${data.project.web_url}/pipelines/${id}`;
+    const description = `Pipeline [\`#${id}\`](${url}) of \`${branch}\` branch **${result}** in ${duration} seconds.`;
+
+    return {
+      color,
+      description,
+    };
+  }
+  text(data) {
+    if (data.object_attributes.status !== 'success' && data.object_attributes.status !== 'failed') return;
+
+    const actor = data.user.username;
+    const branch = data.project.default_branch;
+    const id = data.object_attributes.id;
+    const result = data.object_attributes.status === 'success' ? 'passed' : 'failed';
+    const icon = result === 'passed' ? ':white_check_mark:' : ':no_entry:';
+    const duration = data.object_attributes.duration;
+
+    const msg = `Pipeline \`#${id}\` of \`${branch}\` branch created by *${actor}* **${result}** in ${duration} seconds. ${icon}\n` +
+              `<${data.project.web_url}/pipelines/${id}>`;
+    return msg;
+  }
+}
+
+module.exports = Pipeline;

lib/Models/ChannelConfig.js

@@ -25,8 +25,7 @@ const channelConfigSchema = Schema({
   disabledEvents: {
     type: Array,
     default: [
-      'merge_request/update',
-      'pipeline',
+      'merge_request/update'
     ],
   },
   ignoredUsers: Array,