fix(KUI-1776): end-user-frindly-error-messages

i18n/messages.en.js

@@ -132,5 +132,8 @@ module.exports = {
     round_type: 'Type of round',
     round_time_slots: 'Planned timeslots',
     round_application_link: 'Application link'
-  }
+  },
+  syllabusErrorMessages: {
+    syllabus_fetching_error: ({code, time_stamp})  => `Could not create syllabus for ${code}. Time: ${time_stamp}. Please try again later and contact IT support with this error message if the problem persists.`,
+  },
 }

i18n/messages.se.js

@@ -131,6 +131,8 @@ module.exports = {
     round_application_link: 'Anmälningslänk',
     round_type: 'Typ av kurstillfälle',
     round_time_slots: 'Planerade moduler'
-  }
-
+  },
+  syllabusErrorMessages: {
+    syllabus_fetching_error: ({code, time_stamp}) => `Kunde inte skapa kursplan för ${code}. Tidpunkt: ${time_stamp}. Försök igen om ett tag och kontakta IT-support med detta felmeddelande om problemet kvarstår.`,
+  },
 }

server/ladokApi.js

@@ -1,5 +1,7 @@
 'use strict'
 
+const i18n = require('../i18n')
+
 const { createApiClient } = require('@kth/om-kursen-ladok-client')
 const { server: serverConfig } = require('./configuration')
 
@@ -11,7 +13,10 @@ async function getLadokSyllabus(courseCode, semester, lang) {
 
     return course
   } catch (error) {
-    throw new Error(error.message)
+    const languageIndex = lang === 'en' ? 0 : 1
+    const status = error.response?.status || 500
+    const message = i18n.messages[languageIndex].syllabusErrorMessages.syllabus_fetching_error({ code: courseCode, time_stamp: new Date().toISOString() })
+    throw new Error(`Status code ${status}: ${message}`)
   }
 }