[MM-47751][MM-48102] MPA: Send Persistent Notifications (#21619)

* MM-46410: adds urgency on mention counts

We have introduced priority for posts in
https://github.com/mattermost/mattermost-webapp/pull/10951.
We do need to color the mention badges in the webapp with a prominent
color when a mention is posted in an urgent message.
A thread has urgent mentions if the root post is marked as urgent, and
the replies contain mentions to the user viewing the thread.

This PR adds two columns, urgentmentioncount, and isurgent, in
channelmembers, and threads tables respectively.
Furthermore when asking for team/thread mention counts, we also return
urgent mention counts for the user.

* Adds PostAcknowledgements table and apis

* job init and fetch mentions

* add-migrations

* delete-expired

* send-notifications

* Fetches post priority in batches

* stop-notifications

* stop-notification-on-reply

* MM-47750: Adds PostAcknowledgements table and apis

- Adds post acknowledgement api/app/store methods to be able to save and
delete post acknowledgements by users.
- Adds wesbsocket events for acknowledgement created/deleted
- Returns post acknowledgements in the post's metadata

* add-license-check

* add-pagination

* delete on channel and team

* validate guests

* add configs

* move create priority post check from app to api

* Add desktop notifications

* check status

* use config in job

* add IsUrgent check

* Add last-sent-at

* validate max recipients

* Update lastSentAt

* Validate min. recipient

* send email notification only once

* remove email notifications

* use latest time from config to run job

* Add notifications counter

* publish events to mentioned users only

* pickup license updates in scheduler

* don't allow post owner to stop notifications

* follow normal notifications behaviour

* Validates persistent notifications interval

* move logic of handling valid and expired posts into sql

* Adds persistent notifications in the webapp

---------

Co-authored-by: koox00 <3829551+koox00@users.noreply.github.com>
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/store/sqlstore/store.go

@@ -71,48 +71,49 @@ const (
 var tablesToCheckForCollation = []string{"incomingwebhooks", "preferences", "users", "uploadsessions", "channels", "publicchannels"}
 
 type SqlStoreStores struct {
-	team                 store.TeamStore
-	channel              store.ChannelStore
-	post                 store.PostStore
-	retentionPolicy      store.RetentionPolicyStore
-	thread               store.ThreadStore
-	user                 store.UserStore
-	bot                  store.BotStore
-	audit                store.AuditStore
-	cluster              store.ClusterDiscoveryStore
-	remoteCluster        store.RemoteClusterStore
-	compliance           store.ComplianceStore
-	session              store.SessionStore
-	oauth                store.OAuthStore
-	system               store.SystemStore
-	webhook              store.WebhookStore
-	command              store.CommandStore
-	commandWebhook       store.CommandWebhookStore
-	preference           store.PreferenceStore
-	license              store.LicenseStore
-	token                store.TokenStore
-	emoji                store.EmojiStore
-	status               store.StatusStore
-	fileInfo             store.FileInfoStore
-	uploadSession        store.UploadSessionStore
-	reaction             store.ReactionStore
-	job                  store.JobStore
-	userAccessToken      store.UserAccessTokenStore
-	plugin               store.PluginStore
-	channelMemberHistory store.ChannelMemberHistoryStore
-	role                 store.RoleStore
-	scheme               store.SchemeStore
-	TermsOfService       store.TermsOfServiceStore
-	productNotices       store.ProductNoticesStore
-	group                store.GroupStore
-	UserTermsOfService   store.UserTermsOfServiceStore
-	linkMetadata         store.LinkMetadataStore
-	sharedchannel        store.SharedChannelStore
-	draft                store.DraftStore
-	notifyAdmin          store.NotifyAdminStore
-	postPriority         store.PostPriorityStore
-	postAcknowledgement  store.PostAcknowledgementStore
-	trueUpReview         store.TrueUpReviewStore
+	team                       store.TeamStore
+	channel                    store.ChannelStore
+	post                       store.PostStore
+	retentionPolicy            store.RetentionPolicyStore
+	thread                     store.ThreadStore
+	user                       store.UserStore
+	bot                        store.BotStore
+	audit                      store.AuditStore
+	cluster                    store.ClusterDiscoveryStore
+	remoteCluster              store.RemoteClusterStore
+	compliance                 store.ComplianceStore
+	session                    store.SessionStore
+	oauth                      store.OAuthStore
+	system                     store.SystemStore
+	webhook                    store.WebhookStore
+	command                    store.CommandStore
+	commandWebhook             store.CommandWebhookStore
+	preference                 store.PreferenceStore
+	license                    store.LicenseStore
+	token                      store.TokenStore
+	emoji                      store.EmojiStore
+	status                     store.StatusStore
+	fileInfo                   store.FileInfoStore
+	uploadSession              store.UploadSessionStore
+	reaction                   store.ReactionStore
+	job                        store.JobStore
+	userAccessToken            store.UserAccessTokenStore
+	plugin                     store.PluginStore
+	channelMemberHistory       store.ChannelMemberHistoryStore
+	role                       store.RoleStore
+	scheme                     store.SchemeStore
+	TermsOfService             store.TermsOfServiceStore
+	productNotices             store.ProductNoticesStore
+	group                      store.GroupStore
+	UserTermsOfService         store.UserTermsOfServiceStore
+	linkMetadata               store.LinkMetadataStore
+	sharedchannel              store.SharedChannelStore
+	draft                      store.DraftStore
+	notifyAdmin                store.NotifyAdminStore
+	postPriority               store.PostPriorityStore
+	postAcknowledgement        store.PostAcknowledgementStore
+	postPersistentNotification store.PostPersistentNotificationStore
+	trueUpReview               store.TrueUpReviewStore
 }
 
 type SqlStore struct {
@@ -232,6 +233,7 @@ func New(settings model.SqlSettings, metrics einterfaces.MetricsInterface) *SqlS
 	store.stores.notifyAdmin = newSqlNotifyAdminStore(store)
 	store.stores.postPriority = newSqlPostPriorityStore(store)
 	store.stores.postAcknowledgement = newSqlPostAcknowledgementStore(store)
+	store.stores.postPersistentNotification = newSqlPostPersistentNotificationStore(store)
 	store.stores.trueUpReview = newSqlTrueUpReviewStore(store)
 
 	store.stores.preference.(*SqlPreferenceStore).deleteUnusedFeatures()
@@ -1076,6 +1078,10 @@ func (ss *SqlStore) PostAcknowledgement() store.PostAcknowledgementStore {
 	return ss.stores.postAcknowledgement
 }
 
+func (ss *SqlStore) PostPersistentNotification() store.PostPersistentNotificationStore {
+	return ss.stores.postPersistentNotification
+}
+
 func (ss *SqlStore) TrueUpReview() store.TrueUpReviewStore {
 	return ss.stores.trueUpReview
 }