feat: analytics code rendering

server/models/analytics.js

@@ -93,4 +93,51 @@ module.exports = class Analytics extends Model {
       }
     }
   }
+
+  static async getCode ({ cache = false } = {}) {
+    if (cache) {
+      const analyticsCached = await WIKI.cache.get('analytics')
+      if (analyticsCached) {
+        return analyticsCached
+      }
+    }
+    try {
+      const analyticsCode = {
+        head: '',
+        bodyStart: '',
+        bodyEnd: ''
+      }
+      const providers = await WIKI.models.analytics.getProviders(true)
+
+      for (let provider of providers) {
+        const def = await fs.readFile(path.join(WIKI.SERVERPATH, 'modules/analytics', provider.key, 'code.yml'), 'utf8')
+        let code = yaml.safeLoad(def)
+        code.head = _.defaultTo(code.head, '')
+        code.bodyStart = _.defaultTo(code.bodyStart, '')
+        code.bodyEnd = _.defaultTo(code.bodyEnd, '')
+
+        _.forOwn(provider.config, (value, key) => {
+          code.head = _.replace(code.head, `{{${key}}}`, value)
+          code.bodyStart = _.replace(code.bodyStart, `{{${key}}}`, value)
+          code.bodyEnd = _.replace(code.bodyEnd, `{{${key}}}`, value)
+        })
+
+        analyticsCode.head += code.head
+        analyticsCode.bodyStart += code.bodyStart
+        analyticsCode.bodyEnd += code.bodyEnd
+      }
+
+      await WIKI.cache.set('analytics', analyticsCode, 300)
+
+      return analyticsCode
+    } catch (err) {
+      WIKI.logger.warn('Error while getting analytics code: ', err)
+      return {
+        head: '',
+        bodyStart: '',
+        bodyEnd: ''
+      }
+    }
+
+  }
 }