Rename "xmpp" user service back to "ejabberd"

If we ever add support for others, we can combine them as "xmpp" in
helper methods

app/controllers/services/chat_controller.rb

@@ -3,7 +3,7 @@ class Services::ChatController < Services::BaseController
   before_action :require_service_available
 
   def show
-    @service_enabled = current_user.service_enabled?(:xmpp)
+    @service_enabled = current_user.service_enabled?(:ejabberd)
   end
 
   private

app/jobs/xmpp_exchange_contacts_job.rb

@@ -2,8 +2,8 @@ class XmppExchangeContactsJob < ApplicationJob
   queue_as :default
 
   def perform(inviter, invitee)
-    return unless inviter.service_enabled?(:xmpp) &&
-                  invitee.service_enabled?(:xmpp) &&
+    return unless inviter.service_enabled?(:ejabberd) &&
+                  invitee.service_enabled?(:ejabberd) &&
                   inviter.preferences[:xmpp_exchange_contacts_with_invitees]
 
     ejabberd = EjabberdApiClient.new

spec/jobs/create_ldap_user_job_spec.rb

@@ -44,7 +44,7 @@ RSpec.describe CreateLdapUserJob, type: :job do
 
   it "adds default services for pre-confirmed accounts" do
     allow(ldap_client_mock).to receive(:add) # spy on mock
-    allow(Setting).to receive(:default_services).and_return(["xmpp", "discourse"])
+    Setting.default_services = ["ejabberd", "discourse"]
 
     perform_enqueued_jobs { job_for_preconfirmed_account }
 
@@ -56,7 +56,7 @@ RSpec.describe CreateLdapUserJob, type: :job do
         sn: "halfinney",
         uid: "halfinney",
         mail: "halfinney@example.com",
-        serviceEnabled: ["xmpp", "discourse"],
+        serviceEnabled: ["ejabberd", "discourse"],
         userPassword: "remember-remember-the-5th-of-november"
       }
     )

spec/jobs/xmpp_exchange_contacts_job_spec.rb

@@ -13,7 +13,7 @@ RSpec.describe XmppExchangeContactsJob, type: :job do
   before do
     stub_request(:post, "http://xmpp.example.com/api/add_rosteritem")
       .to_return(status: 200, body: "", headers: {})
-    allow_any_instance_of(User).to receive(:services_enabled).and_return(["xmpp"])
+    allow_any_instance_of(User).to receive(:services_enabled).and_return(["ejabberd"])
   end
 
   it "posts add_rosteritem commands to the ejabberd API" do

spec/models/user_spec.rb

@@ -78,9 +78,9 @@ RSpec.describe User, type: :model do
     it "returns the entries from the LDAP service attribute" do
       expect(user).to receive(:ldap_entry).and_return({
         uid: user.cn, ou: user.ou, mail: user.email, admin: nil,
-        services_enabled: ["discourse", "email", "gitea", "wiki", "xmpp"]
+        services_enabled: ["discourse", "ejabberd", "email", "gitea", "wiki"]
       })
-      expect(user.services_enabled).to eq(["discourse", "email", "gitea", "wiki", "xmpp"])
+      expect(user.services_enabled).to eq(["discourse", "ejabberd", "email", "gitea", "wiki"])
     end
   end
 
@@ -88,7 +88,7 @@ RSpec.describe User, type: :model do
     before do
       allow(user).to receive(:ldap_entry).and_return({
         uid: user.cn, ou: user.ou, mail: user.email, admin: nil,
-        services_enabled: ["gitea", "xmpp"]
+        services_enabled: ["ejabberd", "gitea"]
       })
     end
 
@@ -121,9 +121,9 @@ RSpec.describe User, type: :model do
 
     it "adds multiple service to the LDAP entry" do
       expect_any_instance_of(LdapService).to receive(:replace_attribute)
-        .with(dn, :serviceEnabled, ["discourse", "gitea", "wiki", "xmpp"]).and_return(true)
+        .with(dn, :serviceEnabled, ["discourse", "ejabberd", "gitea", "wiki"]).and_return(true)
 
-      user.enable_service([:wiki, :xmpp])
+      user.enable_service([:ejabberd, :wiki])
     end
   end
 
@@ -131,7 +131,7 @@ RSpec.describe User, type: :model do
     before do
       allow(user).to receive(:ldap_entry).and_return({
         uid: user.cn, ou: user.ou, mail: user.email, admin: nil,
-        services_enabled: ["discourse", "gitea", "xmpp"]
+        services_enabled: ["discourse", "ejabberd", "gitea"]
       })
       allow(user).to receive(:dn).and_return(dn)
     end
@@ -140,14 +140,14 @@ RSpec.describe User, type: :model do
       expect_any_instance_of(LdapService).to receive(:replace_attribute)
         .with(dn, :serviceEnabled, ["discourse", "gitea"]).and_return(true)
 
-      user.disable_service(:xmpp)
+      user.disable_service(:ejabberd)
     end
 
     it "removes multiple services from the LDAP entry" do
       expect_any_instance_of(LdapService).to receive(:replace_attribute)
         .with(dn, :serviceEnabled, ["discourse"]).and_return(true)
 
-      user.disable_service([:xmpp, "gitea"])
+      user.disable_service([:ejabberd, "gitea"])
     end
   end
 

spec/requests/webfinger_spec.rb

@@ -44,7 +44,7 @@ RSpec.describe "WebFinger", type: :request do
         before do
           allow_any_instance_of(User).to receive(:ldap_entry).and_return({
             uid: user.cn, ou: user.ou, mail: user.email, admin: nil,
-            services_enabled: ["xmpp"]
+            services_enabled: ["ejabberd"]
           })
         end
 
@@ -100,7 +100,7 @@ RSpec.describe "WebFinger", type: :request do
         before do
           allow_any_instance_of(User).to receive(:ldap_entry).and_return({
             uid: user.cn, ou: user.ou, mail: user.email, admin: nil,
-            services_enabled: ["xmpp"]
+            services_enabled: ["ejabberd"]
           })
         end