MM-56629 Render Markdown in batched email notifications (#26217)

* [MM-56629] rendered markdown in batched email (#26116)

* [MM-56629] added unit test for GenerateHyperlinkForChannels (#26116)

* [MM-56629] refactored code to remove duplicates, updated test (#26116)

* [MM-56629] updated landing url and cleared check-style (#26116)

* [MM-56629] added app-layesrs and mocks (#26116)

* [MM-56629] updated unit tests (#26116)

* [MM-56629] reverted changes of removing unused context parameter (#26116)

* [MM-56629] removed unused method generateHyperlinkForChannels (#26116)

* [MM-56629] fixed check-style error (#26116)

* [MM-56629] refactored (#26116)

---------

Co-authored-by: Sazzad Hossain <sazzad.hossain@marginedge.com>
Co-authored-by: Harrison Healey <harrisonmhealey@gmail.com>

server/channels/app/notification_email_test.go

@@ -615,7 +615,7 @@ func TestGetNotificationEmailBodyPublicChannelMention(t *testing.T) {
 
 	senderName := "user1"
 	teamName := "testteam"
-	teamURL := "http://localhost:8065/testteam"
+	teamURL := th.App.GetSiteURL() + "/landing#" + "/testteam"
 	emailNotificationContentsType := model.EmailNotificationContentsFull
 	translateFunc := i18n.GetUserTranslations("en")
 
@@ -628,6 +628,8 @@ func TestGetNotificationEmailBodyPublicChannelMention(t *testing.T) {
 	channelStoreMock.On("GetByNames", "test", []string{ch.Name}, true).Return([]*model.Channel{ch}, nil)
 	storeMock.On("Channel").Return(&channelStoreMock)
 
+	th.App.Srv().EmailService.SetStore(storeMock)
+
 	body, err := th.App.getNotificationEmailBody(th.Context, recipient, post, ch,
 		ch.Name, senderName, teamName, teamURL,
 		emailNotificationContentsType, true, translateFunc, "user-avatar.png")
@@ -681,7 +683,7 @@ func TestGetNotificationEmailBodyMultiPublicChannelMention(t *testing.T) {
 
 	senderName := "user1"
 	teamName := "testteam"
-	teamURL := "http://localhost:8065/testteam"
+	teamURL := th.App.GetSiteURL() + "/landing#" + "/testteam"
 	emailNotificationContentsType := model.EmailNotificationContentsFull
 	translateFunc := i18n.GetUserTranslations("en")
 
@@ -694,6 +696,8 @@ func TestGetNotificationEmailBodyMultiPublicChannelMention(t *testing.T) {
 	channelStoreMock.On("GetByNames", "test", []string{ch.Name, ch2.Name, ch3.Name}, true).Return([]*model.Channel{ch, ch2, ch3}, nil)
 	storeMock.On("Channel").Return(&channelStoreMock)
 
+	th.App.Srv().EmailService.SetStore(storeMock)
+
 	body, err := th.App.getNotificationEmailBody(th.Context, recipient, post, ch,
 		ch.Name, senderName, teamName, teamURL,
 		emailNotificationContentsType, true, translateFunc, "user-avatar.png")
@@ -743,6 +747,8 @@ func TestGetNotificationEmailBodyPrivateChannelMention(t *testing.T) {
 	channelStoreMock.On("GetByNames", "test", []string{ch.Name}, true).Return([]*model.Channel{ch}, nil)
 	storeMock.On("Channel").Return(&channelStoreMock)
 
+	th.App.Srv().EmailService.SetStore(storeMock)
+
 	body, err := th.App.getNotificationEmailBody(th.Context, recipient, post, ch,
 		ch.Name, senderName, teamName, teamURL,
 		emailNotificationContentsType, true, translateFunc, "user-avatar.png")
@@ -776,8 +782,9 @@ func TestGenerateHyperlinkForChannelsPublic(t *testing.T) {
 	channelStoreMock.On("GetByNames", "test", []string{ch.Name}, true).Return([]*model.Channel{ch}, nil)
 	storeMock.On("Channel").Return(&channelStoreMock)
 
-	outMessage, err := th.App.generateHyperlinkForChannels(th.Context, message+mention, teamName, teamURL)
-	require.Nil(t, err)
+	th.App.Srv().EmailService.SetStore(storeMock)
+	outMessage, err := th.App.Srv().EmailService.GenerateHyperlinkForChannels(message+mention, teamName, teamURL)
+	require.NoError(t, err)
 	channelURL := teamURL + "/channels/" + ch.Name
 	assert.Equal(t, message+"<a href='"+channelURL+"'>"+mention+"</a>", outMessage)
 }
@@ -826,8 +833,9 @@ func TestGenerateHyperlinkForChannelsMultiPublic(t *testing.T) {
 	channelStoreMock.On("GetByNames", "test", []string{ch.Name, ch2.Name, ch3.Name}, true).Return([]*model.Channel{ch, ch2, ch3}, nil)
 	storeMock.On("Channel").Return(&channelStoreMock)
 
-	outMessage, err := th.App.generateHyperlinkForChannels(th.Context, message, teamName, teamURL)
-	require.Nil(t, err)
+	th.App.Srv().EmailService.SetStore(storeMock)
+	outMessage, err := th.App.Srv().EmailService.GenerateHyperlinkForChannels(message, teamName, teamURL)
+	require.NoError(t, err)
 	channelURL := teamURL + "/channels/" + ch.Name
 	channelURL2 := teamURL + "/channels/" + ch2.Name
 	channelURL3 := teamURL + "/channels/" + ch3.Name
@@ -860,8 +868,9 @@ func TestGenerateHyperlinkForChannelsPrivate(t *testing.T) {
 	channelStoreMock.On("GetByNames", "test", []string{ch.Name}, true).Return([]*model.Channel{ch}, nil)
 	storeMock.On("Channel").Return(&channelStoreMock)
 
-	outMessage, err := th.App.generateHyperlinkForChannels(th.Context, message, teamName, teamURL)
-	require.Nil(t, err)
+	th.App.Srv().EmailService.SetStore(storeMock)
+	outMessage, err := th.App.Srv().EmailService.GenerateHyperlinkForChannels(message, teamName, teamURL)
+	require.NoError(t, err)
 	assert.Equal(t, message, outMessage)
 }