handled host unreachable exceptions

app/views/friendings/_form.html.slim

@@ -1,5 +1,3 @@
-- @user = User.new
-
 = form_tag friendings_engine.create_friend_request_path,\
     :remote => true,\
     :method => :post,\

app/views/friendings/index.html.slim

@@ -1,17 +1,24 @@
 
 .settings-table#users-table
-  - if @users.any?
-    table.settings
-      thead
-        tr
-          th.settings-col1[scope="col"]= t('email')
-          th[scope="col"]= t('username')
-          th.settings-col1[scope="col"]= t('created_at')
-    - @users.each do |user|
-      = render 'user', friend_user: user
+  - if @status == "success"
+    - if @users.any?
+      table.settings
+        thead
+          tr
+            th.settings-col1[scope="col"]= t('email')
+            th[scope="col"]= t('username')
+            th.settings-col1[scope="col"]= t('created_at')
+      - @users.each do |user|
+        = render 'user', friend_user: user
+    - else
+      .no-users
+        h2= t('no_friend_users')
+  - elsif @status == "host_unreachable"
+    .no-users
+        h2= t('network_problem')
   - else
     .no-users
-      h2= t('no_friend_users')
+        h2= t('some_error_occurred')
 
 = stylesheet_link_tag 'friendings'
 = javascript_include_tag 'friendings'

app/views/friendings/requests.html.slim

@@ -1,25 +1,33 @@
 
 .settings-table#requests-table
-  - if @requests.any?
-    table.settings
-      thead
-        tr
-          th.settings-col1[scope="col"]= t('email')
-          th[scope="col", style="line-height: 20px"] = t('last_request_sent_at')
-          th.pr-3[scope="col"]= t('status')
-          th.settings-col1[scope="col"]= t('action')
-    - @requests.each do |request|
-      = render 'request', friend_request: request
+  - if @status == "success"
+    - if @requests.any?
+      table.settings
+        thead
+          tr
+            th.settings-col1[scope="col"]= t('email')
+            th[scope="col", style="line-height: 20px"] = t('last_request_sent_at')
+            th.pr-3[scope="col"]= t('status')
+            th.settings-col1[scope="col"]= t('action')
+      - @requests.each do |request|
+        = render 'request', friend_request: request
+    - else
+      .no-requests
+        h2= t('no_friending_requests')
+  - elsif @status == "host_unreachable"
+      .no-requests
+        h2= t('network_problem')
   - else
-    .no-requests
-      h2= t('no_friending_requests')
+      .no-requests
+        h2= t('some_error_occurred')
 
-= button_tag t('add_new_friend_user'), :type => 'button', :class => 'open-area btnn btn-create btn btn-info pull-left', :id => "new-user-to-step1", :data => { :related => "#new-user-step1" }
+- if @status == "success"
+  = button_tag t('add_new_friend_user'), :type => 'button', :class => 'open-area btnn btn-create btn btn-info pull-left', :id => "new-user-to-step1", :data => { :related => "#new-user-step1" }
 
-#new-user-box.col-sm-7
-  #user-new
-    #new-user-step1.area[style="display:none;"]
-      = render 'form'
+  #new-user-box.col-sm-7
+    #user-new
+      #new-user-step1.area[style="display:none;"]
+        = render 'form'
 
 = javascript_include_tag 'friendings'
 = stylesheet_link_tag 'friendings'

config/locales/en.yml

@@ -13,3 +13,5 @@
   created_at: Created At
   no_friending_requests: No Friending Requests
   resend: Resend
+  network_problem: Problem in connecting to the server
+  some_error_occurred: Some error occurred

lib/friendings/amahi_friending_api.rb

@@ -3,7 +3,7 @@
 require 'rest-client'
 
 class AmahiFriendingApi
-	BASE_URL = "http://66.165.251.200:8877/api/frnd"
+	BASE_URL = "http://66.165.251.203:8877/api/frnd"
 	APIKEY = Setting.where({name: "api-key"}).first.value
 
 	def self.get_friend_users
@@ -28,7 +28,7 @@ def self.get_friend_users
 					# case when NAU is deleted by admin and so probably admin do not want this
 					# NAU as friend user and thus this user needs to be deleted from amahi.org
 
-					self.delete_user(user["amahi_user"]["id"], nil)
+					self.delete_user(user["amahi_user"]["id"], nil, "")
 
 				else
 					# case when remote user is present as NAU on platform
@@ -62,6 +62,9 @@ def self.get_friend_users
 
 			return "success", data
 
+		rescue Errno::EHOSTUNREACH
+			return "host_unreachable", []
+
 		rescue RestClient::ExceptionWithResponse => err
 			err.response
 			return "failed", []
@@ -74,6 +77,10 @@ def self.get_friend_requests
 			response = RestClient.get(url, headers={"Api-Key" => APIKEY})
 			json = JSON.parse(response)
 			return "success", json
+
+		rescue Errno::EHOSTUNREACH
+			return "host_unreachable", []
+
 		rescue RestClient::ExceptionWithResponse => err
 			err.response
 			return "failed", []