Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

webapp/boards/src/errors.ts

@@ -0,0 +1,106 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import {useIntl} from 'react-intl'
+
+import {UserSettings} from 'src/userSettings'
+
+enum ErrorId {
+    TeamUndefined = 'team-undefined',
+    NotLoggedIn = 'not-logged-in',
+    InvalidReadOnlyBoard = 'invalid-read-only-board',
+    BoardNotFound = 'board-not-found',
+}
+
+type ErrorDef = {
+    title: string
+
+    button1Enabled: boolean
+    button1Text: string
+    button1Redirect: string | ((params: URLSearchParams) => string)
+    button1Fill: boolean
+    button1ClearHistory: boolean
+
+    button2Enabled: boolean
+    button2Text: string
+    button2Redirect: string | ((params: URLSearchParams) => string)
+    button2Fill: boolean
+    button2ClearHistory: boolean
+}
+
+function errorDefFromId(id: ErrorId | null): ErrorDef {
+    const errDef: ErrorDef = {
+        title: '',
+        button1Enabled: false,
+        button1Text: '',
+        button1Redirect: '',
+        button1Fill: false,
+        button1ClearHistory: false,
+        button2Enabled: false,
+        button2Text: '',
+        button2Redirect: '',
+        button2Fill: false,
+        button2ClearHistory: false,
+    }
+
+    const intl = useIntl()
+
+    switch (id) {
+    case ErrorId.TeamUndefined: {
+        errDef.title = intl.formatMessage({id: 'error.team-undefined', defaultMessage: 'Not a valid team.'})
+        errDef.button1Enabled = true
+        errDef.button1Text = intl.formatMessage({id: 'error.back-to-home', defaultMessage: 'Back to Home'})
+        errDef.button1Redirect = (): string => {
+            UserSettings.setLastTeamID(null)
+            return window.location.origin
+        }
+        errDef.button1Fill = true
+        break
+    }
+    case ErrorId.BoardNotFound: {
+        errDef.title = intl.formatMessage({id: 'error.board-not-found', defaultMessage: 'Board not found.'})
+        errDef.button1Enabled = true
+        errDef.button1Text = intl.formatMessage({id: 'error.back-to-team', defaultMessage: 'Back to team'})
+        errDef.button1Redirect = '/'
+        errDef.button1Fill = true
+        break
+    }
+    case ErrorId.NotLoggedIn: {
+        errDef.title = intl.formatMessage({id: 'error.not-logged-in', defaultMessage: 'Your session may have expired or you\'re not logged in. Log in again to access Boards.'})
+        errDef.button1Enabled = true
+        errDef.button1Text = intl.formatMessage({id: 'error.go-login', defaultMessage: 'Log in'})
+        errDef.button1Redirect = '/login'
+        errDef.button1Redirect = (params: URLSearchParams): string => {
+            const r = params.get('r')
+            if (r) {
+                return `/login?r=${r}`
+            }
+            return '/login'
+        }
+        errDef.button1Fill = true
+        break
+    }
+    case ErrorId.InvalidReadOnlyBoard: {
+        errDef.title = intl.formatMessage({id: 'error.invalid-read-only-board', defaultMessage: 'You don\'t have access to this board. Log in to access Boards.'})
+        errDef.button1Enabled = true
+        errDef.button1Text = intl.formatMessage({id: 'error.go-login', defaultMessage: 'Log in'})
+        errDef.button1Redirect = (): string => {
+            return window.location.origin
+        }
+        errDef.button1Fill = true
+        break
+    }
+    default: {
+        errDef.title = intl.formatMessage({id: 'error.unknown', defaultMessage: 'An error occurred.'})
+        errDef.button1Enabled = true
+        errDef.button1Text = intl.formatMessage({id: 'error.back-to-home', defaultMessage: 'Back to Home'})
+        errDef.button1Redirect = '/'
+        errDef.button1Fill = true
+        errDef.button1ClearHistory = true
+        break
+    }
+    }
+    return errDef
+}
+
+export {ErrorId, ErrorDef, errorDefFromId}