MM-43956: Adds post counts by duration. (#20131)

* MM-43956: Adds post counts by day.

* MM-43956: Test data cleanup. Switch from Unix to UnixMilli.

* MM-43956: Changes from selecting date data types to strings in SQL.

* MM-43956: Fixes date format key.

* MM-43956: Adds missing user id scope for 'my' top channels graph.

* MM-43956: Adds the ability to group post counts by hour.

* MM-43956: Require enterprise or professional license. Reject guests.

* MM-43956: Adds license for tests.

* MM-43956: Renames function.

* MM-43956: Omits future hours from post counts by hour.

* MM-43956: Adjust API response grouping to users timezone.

* MM-43956: Adds translation.

* MM-43956: Adds user's timezone to the data tier for the grouping by day and hour.

* MM-43956: Fixes layers.

* MM-43956: Lint fix.

* MM-43956: Fix store layers.

* MM-43956: Switches to default name for time package; changes parameter names to avoid naming conflict.

* MM-43956: Updates mocks.

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

model/user.go

@@ -11,6 +11,7 @@ import (
 	"regexp"
 	"sort"
 	"strings"
+	"time"
 	"unicode/utf8"
 
 	"golang.org/x/crypto/bcrypt"
@@ -782,6 +783,14 @@ func (u *User) GetPreferredTimezone() string {
 	return GetPreferredTimezone(u.Timezone)
 }
 
+func (u *User) GetTimezoneLocation() *time.Location {
+	loc, _ := time.LoadLocation(u.GetPreferredTimezone())
+	if loc == nil {
+		loc = time.Now().UTC().Location()
+	}
+	return loc
+}
+
 // IsRemote returns true if the user belongs to a remote cluster (has RemoteId).
 func (u *User) IsRemote() bool {
 	return u.RemoteId != nil && *u.RemoteId != ""