From 88c2ae7099473c372a190a9c84191ed958577161 Mon Sep 17 00:00:00 2001
From: Spitap <dev@asdrip.fr>
Date: Fri, 17 Mar 2023 11:32:26 +0100
Subject: [PATCH] Revert to old navbar layout, Improved provider creation

---
 frontend/src/api/imap_migration/providers.js  |   3 +
 .../imap_migration/ProviderAssociatedForm.vue |  29 ++-
 .../imap_migration/ProviderCreationForm.vue   |   9 +-
 .../imap_migration/ProviderGeneralForm.vue    |   4 +
 frontend/src/components/layout/BaseNavBar.vue | 149 -------------
 .../src/components/layout/ExtensionNavBar.vue | 154 --------------
 frontend/src/components/layout/Navbar.vue     | 201 ++++++++++++++----
 .../src/components/layout/SettingsDrawer.vue  |  86 --------
 modoboa/imap_migration/api/v2/serializers.py  |  19 ++
 modoboa/imap_migration/api/v2/viewsets.py     |  11 +-
 10 files changed, 222 insertions(+), 443 deletions(-)
 delete mode 100644 frontend/src/components/layout/BaseNavBar.vue
 delete mode 100644 frontend/src/components/layout/ExtensionNavBar.vue
 delete mode 100644 frontend/src/components/layout/SettingsDrawer.vue

diff --git a/frontend/src/api/imap_migration/providers.js b/frontend/src/api/imap_migration/providers.js
index e191d6814..afe123257 100644
--- a/frontend/src/api/imap_migration/providers.js
+++ b/frontend/src/api/imap_migration/providers.js
@@ -23,5 +23,8 @@ export default {
   },
   checkProvider (params) {
     return repository.post(`/${resource}/check_connection/`, params)
+  },
+  checkAssociatedDomain (params) {
+    return repository.post(`/${resource}/check_associated_domain/`, params)
   }
 }
diff --git a/frontend/src/components/imap_migration/ProviderAssociatedForm.vue b/frontend/src/components/imap_migration/ProviderAssociatedForm.vue
index 527e4a8e0..b57b027df 100644
--- a/frontend/src/components/imap_migration/ProviderAssociatedForm.vue
+++ b/frontend/src/components/imap_migration/ProviderAssociatedForm.vue
@@ -19,7 +19,7 @@
   <validation-provider
     v-slot="{ errors }"
     rules="required"
-    vid="newd_omain"
+    vid="new_domain"
     >
     <v-text-field
       ref="newdomainField"
@@ -58,6 +58,8 @@
 
 <script>
 
+import providerApi from '@/api/imap_migration/providers'
+
 export default {
   props: ['value'],
   data () {
@@ -70,6 +72,13 @@ export default {
     }
   },
   methods: {
+    reset () {
+      this.domains = []
+      this.domain = {
+        initialdomain: '',
+        new_domain: ''
+      }
+    },
     async validateForm () {
       return await this.$refs.observer.validate()
     },
@@ -78,13 +87,19 @@ export default {
     },
     async addDomain () {
       if (await this.validateForm()) {
-        this.domains.push({
-          name: this.domain.initialdomain,
-          new_domain: this.domain.new_domain
+        providerApi.checkAssociatedDomain(this.domain).then(response => {
+          if (response.status === 200) {
+            this.domains.push({
+              name: this.domain.initialdomain,
+              new_domain: this.domain.new_domain
+            })
+            this.$emit('input', this.domains)
+            this.$refs.initialdomainField.reset()
+            this.$refs.newdomainField.reset()
+          }
+        }).catch(error => {
+          this.$refs.observer.setErrors(error.response.data)
         })
-        this.$emit('input', this.domains)
-        this.$refs.initialdomainField.reset()
-        this.$refs.newdomainField.reset()
       }
     },
     removeDomain (index) {
diff --git a/frontend/src/components/imap_migration/ProviderCreationForm.vue b/frontend/src/components/imap_migration/ProviderCreationForm.vue
index d955d2f22..10346414e 100644
--- a/frontend/src/components/imap_migration/ProviderCreationForm.vue
+++ b/frontend/src/components/imap_migration/ProviderCreationForm.vue
@@ -1,8 +1,10 @@
 <template>
 <creation-form
+  ref="form"
   :title="'New provider'|translate"
   :steps="steps"
   :form-observer-getter="getObserver"
+  :form-getter="getForm"
   :validate-object="validateProvider"
   :summary-sections="summarySections"
   @close="close"
@@ -88,16 +90,17 @@ export default {
     },
     close () {
       this.initProvider()
+      this.$refs.form.resetForm()
       this.$emit('close')
     },
+    getForm (step) {
+      return this.$refs[`form_${step}`]
+    },
     getObserver (step) {
       return this.$refs[`form_${step}`].$refs.observer
     },
     validateProvider () {
 
-    },
-    performConnectionCheck () {
-
     },
     submit () {
       const data = JSON.parse(JSON.stringify(this.provider))
diff --git a/frontend/src/components/imap_migration/ProviderGeneralForm.vue b/frontend/src/components/imap_migration/ProviderGeneralForm.vue
index 56402d56f..8c66f09ad 100644
--- a/frontend/src/components/imap_migration/ProviderGeneralForm.vue
+++ b/frontend/src/components/imap_migration/ProviderGeneralForm.vue
@@ -93,6 +93,9 @@ export default {
     }
   },
   methods: {
+    reset () {
+      this.form = {}
+    },
     async checkConnection () {
       if (await this.validateForm()) {
         this.loading = true
@@ -123,6 +126,7 @@ export default {
   },
   mounted () {
     this.form = { ...this.value }
+    console.error(this.value)
   }
 }
 </script>
diff --git a/frontend/src/components/layout/BaseNavBar.vue b/frontend/src/components/layout/BaseNavBar.vue
deleted file mode 100644
index 4b5221654..000000000
--- a/frontend/src/components/layout/BaseNavBar.vue
+++ /dev/null
@@ -1,149 +0,0 @@
-<template>
-<v-list>
-  <template v-for="item in mainMenuItems">
-    <template v-if="displayMenuItem(item)">
-      <v-list-item
-        v-if="!item.children"
-        class="menu-item"
-        :to="item.to"
-        link
-        :key="item.title"
-        :exact="item.exact"
-        >
-        <v-list-item-icon v-if="item.icon">
-          <v-icon>{{ item.icon }}</v-icon>
-        </v-list-item-icon>
-        <v-list-item-content>
-          <v-list-item-title>{{ item.text }}</v-list-item-title>
-        </v-list-item-content>
-      </v-list-item>
-      <v-list-group v-else
-                    color="white"
-                    :key="item.text"
-                    :prepend-icon="item.icon"
-                    no-action>
-        <template v-slot:activator>
-          <v-list-item-title>{{ item.text }}</v-list-item-title>
-        </template>
-
-        <template v-for="subitem in item.children">
-          <v-list-item v-if="!subitem.children"
-                        :key="subitem.text"
-                        :to="subitem.to"
-                        link>
-            <v-list-item-content>
-              <v-list-item-title>{{ subitem.text }}</v-list-item-title>
-            </v-list-item-content>
-          </v-list-item>
-          <v-list-group v-else
-                        :key="subitem.text"
-                        :value="true"
-                        no-action
-                        sub-group>
-            <template v-slot:activator>
-              <v-list-item-title>{{ subitem.text }}</v-list-item-title>
-            </template>
-            <v-list-item v-for="subsubitem in subitem.children"
-                          :key="subsubitem.text"
-                          :to="subsubitem.to"
-                          link>
-              <v-list-item-title>{{ subsubitem.text }}</v-list-item-title>
-            </v-list-item>
-          </v-list-group>
-        </template>
-      </v-list-group>
-    </template>
-  </template>
-  <settings-drawer
-    :parametersList="parametersList"
-    :extension="false"
-    />
-</v-list>
-</template>
-
-<script>
-import { mapGetters } from 'vuex'
-import SettingsDrawer from './SettingsDrawer.vue'
-
-export default {
-  props: ['parametersList'],
-  components: {
-    SettingsDrawer
-  },
-  computed: {
-    ...mapGetters({
-      authUser: 'auth/authUser'
-    })
-  },
-  data () {
-    return {
-      mainMenuItems: [
-        {
-          text: this.$gettext('Dashboard'),
-          to: { name: 'Dashboard' },
-          icon: 'mdi-view-dashboard-outline',
-          exact: true
-        },
-        {
-          text: this.$gettext('Domains'),
-          to: { name: 'DomainList' },
-          icon: 'mdi-domain',
-          roles: ['DomainAdmins', 'Resellers', 'SuperAdmins']
-        },
-        {
-          text: this.$gettext('Identities'),
-          to: { name: 'Identities' },
-          icon: 'mdi-account',
-          roles: ['DomainAdmins', 'Resellers', 'SuperAdmins']
-        },
-        {
-          text: this.$gettext('Alarms'),
-          to: { name: 'Alarms' },
-          icon: 'mdi-bell'
-        },
-        {
-          icon: 'mdi-history',
-          text: this.$gettext('Logs'),
-          roles: ['SuperAdmins', 'Resellers', 'DomainAdmins'],
-          children: [
-            {
-              text: this.$gettext('Audit trail'),
-              to: { name: 'AuditTrail' },
-              roles: ['SuperAdmins']
-            },
-            {
-              text: this.$gettext('Messages'),
-              to: { name: 'MessageLog' },
-              roles: ['DomainAdmins', 'Resellers', 'SuperAdmins']
-            }
-          ]
-        },
-        {
-          icon: 'mdi-information',
-          text: this.$gettext('Information'),
-          roles: ['SuperAdmins'],
-          to: { name: 'Information' }
-        }
-      ]
-    }
-  },
-  methods: {
-    displayMenuItem (item) {
-      return (item.roles === undefined || item.roles.indexOf(this.authUser.role) !== -1) && (item.condition === undefined || item.condition())
-    }
-  }
-}
-</script>
-
-<style lang="scss" scoped>
-.v-list-item {
-  &--active {
-    &::before {
-      opacity: 0;
-    }
-    background-color: #034bad;
-    color: white;
-    opacity: 1;
-  }
-}
-</style>
diff --git a/frontend/src/components/layout/ExtensionNavBar.vue b/frontend/src/components/layout/ExtensionNavBar.vue
deleted file mode 100644
index 7ee554ef0..000000000
--- a/frontend/src/components/layout/ExtensionNavBar.vue
+++ /dev/null
@@ -1,154 +0,0 @@
-<template>
-<v-list>
-  <template v-for="item in extensionItems">
-    <template v-if="!(item.activated)">
-      <v-list-item
-        class="menu-item unselectable"
-        :key="item.title"
-        :exact="item.exact"
-        color="blue-grey lighten-3"
-        @click="unselectable()"
-        >
-       <v-list-item-icon v-if="item.icon">
-          <v-icon color="#D3D3D3">{{ item.icon }}</v-icon>
-        </v-list-item-icon>
-        <v-list-item-content>
-          <v-list-item-title>{{ item.text }}</v-list-item-title>
-        </v-list-item-content>
-      </v-list-item>
-    </template>
-    <template v-else-if="displayMenuItem(item)">
-      <v-list-item
-        v-if="!item.children"
-        class="menu-item"
-        :to="item.to"
-        link
-        :key="item.title"
-        :exact="item.exact"
-        >
-        <v-list-item-icon v-if="item.icon">
-          <v-icon>{{ item.icon }}</v-icon>
-        </v-list-item-icon>
-        <v-list-item-content>
-          <v-list-item-title>{{ item.text }}</v-list-item-title>
-        </v-list-item-content>
-      </v-list-item>
-      <v-list-group v-else
-                    color="white"
-                    :key="item.text"
-                    :prepend-icon="item.icon"
-                    no-action>
-        <template v-slot:activator>
-          <v-list-item-title>{{ item.text }}</v-list-item-title>
-        </template>
-
-        <template v-for="subitem in item.children">
-          <v-list-item v-if="!subitem.children"
-                        :key="subitem.text"
-                        :to="subitem.to"
-                        link>
-            <v-list-item-content>
-              <v-list-item-title>{{ subitem.text }}</v-list-item-title>
-            </v-list-item-content>
-          </v-list-item>
-          <v-list-group v-else
-                        :key="subitem.text"
-                        :value="true"
-                        no-action
-                        sub-group>
-            <template v-slot:activator>
-              <v-list-item-title>{{ subitem.text }}</v-list-item-title>
-            </template>
-            <v-list-item v-for="subsubitem in subitem.children"
-                          :key="subsubitem.text"
-                          :to="subsubitem.to"
-                          link>
-              <v-list-item-title>{{ subsubitem.text }}</v-list-item-title>
-            </v-list-item>
-          </v-list-group>
-        </template>
-      </v-list-group>
-    </template>
-  </template>
-  <settings-drawer
-    :parametersList="parametersList"
-    :extension="true"
-    />
-</v-list>
-</template>
-
-<script>
-import { mapGetters } from 'vuex'
-import { bus } from '@/main'
-import SettingsDrawer from './SettingsDrawer.vue'
-
-export default {
-  props: ['imap', 'parametersList'],
-  components: {
-    SettingsDrawer
-  },
-  computed: {
-    ...mapGetters({
-      authUser: 'auth/authUser'
-    }),
-    extensionItems () {
-      return [
-        {
-          activated: this.imapMigration,
-          icon: 'mdi-email-sync-outline',
-          text: this.$gettext('IMAP Migration'),
-          roles: ['SuperAdmins', 'Resellers'],
-          children: [
-            {
-              text: this.$gettext('Email providers'),
-              to: { name: 'ProvdiersList' },
-              roles: ['SuperAdmins', 'Resellers']
-            },
-            {
-              text: this.$gettext('Migrations'),
-              to: { name: 'MigrationsList' },
-              roles: ['Resellers', 'SuperAdmins']
-            }
-          ]
-        }
-      ]
-    }
-  },
-  created () {
-    this.imapMigration = this.imap
-    bus.$on('imapSettingsChanged', this.imapMigrationStatus)
-  },
-  data () {
-    return {
-      imapMigration: false
-    }
-  },
-  methods: {
-    displayMenuItem (item) {
-      return (item.roles === undefined || item.roles.indexOf(this.authUser.role) !== -1) && (item.condition === undefined || item.condition())
-    },
-    unselectable () {
-      bus.$emit('notification', { msg: this.$gettext('Activate the extension in the settings'), type: 'warning' })
-    },
-    imapMigrationStatus (status) {
-      this.imapMigration = status
-    }
-  }
-}
-</script>
-
-<style lang="scss" scoped>
-.v-list-item {
-  &--active {
-    &::before {
-      opacity: 0;
-    }
-    background-color: #034bad;
-    color: white;
-    opacity: 1;
-  }
-}
-.unselectable {
-  color: lightgrey !important;
-}
-</style>
diff --git a/frontend/src/components/layout/Navbar.vue b/frontend/src/components/layout/Navbar.vue
index 3fbd6637e..9e1935d2e 100644
--- a/frontend/src/components/layout/Navbar.vue
+++ b/frontend/src/components/layout/Navbar.vue
@@ -21,33 +21,64 @@
         <v-icon>mdi-chevron-left</v-icon>
       </v-btn>
     </div>
-    <v-layout
-      justify-center>
-      <v-chip v-if="page === 1" color="blue lighten-3" large>
-        <translate>Core</translate>
-      </v-chip>
-      <v-chip v-else-if="page === 2" color="blue lighten-3" large>
-        <translate>Extensions</translate>
-      </v-chip>
-    </v-layout>
-    <base-nav-bar
-      v-if="page === 1"
-      :parametersList="parametersList"
-      />
-    <extension-nav-bar
-      v-else-if="page === 2"
-      :imap="imapMigration"
-      :parametersList="parametersList"
-      />
+
+    <v-list>
+      <template v-for="item in menuItems">
+        <template v-if="displayMenuItem(item)">
+          <v-list-item
+            v-if="!item.children"
+            class="menu-item"
+            :to="item.to"
+            link
+            :key="item.title"
+            :exact="item.exact"
+            >
+            <v-list-item-icon v-if="item.icon">
+              <v-icon>{{ item.icon }}</v-icon>
+            </v-list-item-icon>
+            <v-list-item-content>
+              <v-list-item-title>{{ item.text }}</v-list-item-title>
+            </v-list-item-content>
+          </v-list-item>
+          <v-list-group v-else
+                        color="white"
+                        :key="item.text"
+                        :prepend-icon="item.icon"
+                        no-action>
+            <template v-slot:activator>
+              <v-list-item-title>{{ item.text }}</v-list-item-title>
+            </template>
+
+            <template v-for="subitem in item.children">
+              <v-list-item v-if="!subitem.children"
+                           :key="subitem.text"
+                           :to="subitem.to"
+                           link>
+                <v-list-item-content>
+                  <v-list-item-title>{{ subitem.text }}</v-list-item-title>
+                </v-list-item-content>
+              </v-list-item>
+              <v-list-group v-else
+                            :key="subitem.text"
+                            :value="true"
+                            no-action
+                            sub-group>
+                <template v-slot:activator>
+                  <v-list-item-title>{{ subitem.text }}</v-list-item-title>
+                </template>
+                <v-list-item v-for="subsubitem in subitem.children"
+                             :key="subsubitem.text"
+                             :to="subsubitem.to"
+                             link>
+                  <v-list-item-title>{{ subsubitem.text }}</v-list-item-title>
+                </v-list-item>
+              </v-list-group>
+            </template>
+          </v-list-group>
+        </template>
+      </template>
+    </v-list>
     <template v-slot:append>
-      <v-pagination
-        v-if="!mini"
-        v-model="page"
-        :length="2"
-        circle
-        color="blue lighten-3"
-        >
-      </v-pagination>
       <v-menu rounded="lg" offset-y top>
         <template v-slot:activator="{ attrs, on }">
           <div class="d-flex user-box justify-center align-center white--text py-2" v-bind="attrs" v-on="on">
@@ -82,16 +113,11 @@
 </template>
 
 <script>
-import { mapGetters } from 'vuex'
-import BaseNavBar from './BaseNavBar.vue'
-import ExtensionNavBar from './ExtensionNavBar.vue'
 import parameters from '@/api/parameters'
+import { bus } from '@/main'
+import { mapGetters } from 'vuex'
 
 export default {
-  components: {
-    BaseNavBar,
-    ExtensionNavBar
-  },
   computed: {
     ...mapGetters({
       authUser: 'auth/authUser'
@@ -114,6 +140,12 @@ export default {
         ? `${this.authUser.first_name} ${this.authUser.last_name}`
         : this.authUser.username
     },
+    menuItems () {
+      if (this.$route.meta.layout === 'user') {
+        return this.userSettingsMenuItems
+      }
+      return this.mainMenuItems
+    },
     mainColor () {
       if (this.$route.meta.layout === 'user') {
         return 'grey'
@@ -121,20 +153,81 @@ export default {
       return 'primary'
     }
   },
-  created () {
-    parameters.getApplications().then(response => {
-      this.parametersList = response.data
-    })
-    parameters.getApplication('imap_migration').then(response => {
-      this.imapMigration = response.data.params.enabled_imapmigration
-    })
-  },
   data () {
     return {
-      parametersList: [],
       imapMigration: false,
-      page: 1,
       drawer: true,
+      mainMenuItems: [
+        {
+          text: this.$gettext('Dashboard'),
+          to: { name: 'Dashboard' },
+          icon: 'mdi-view-dashboard-outline',
+          exact: true
+        },
+        {
+          text: this.$gettext('Domains'),
+          to: { name: 'DomainList' },
+          icon: 'mdi-domain',
+          roles: ['DomainAdmins', 'Resellers', 'SuperAdmins']
+        },
+        {
+          text: this.$gettext('Identities'),
+          to: { name: 'Identities' },
+          icon: 'mdi-account',
+          roles: ['DomainAdmins', 'Resellers', 'SuperAdmins']
+        },
+        {
+          text: this.$gettext('Alarms'),
+          to: { name: 'Alarms' },
+          icon: 'mdi-bell'
+        },
+        {
+          icon: 'mdi-history',
+          text: this.$gettext('Logs'),
+          roles: ['SuperAdmins', 'Resellers', 'DomainAdmins'],
+          children: [
+            {
+              text: this.$gettext('Audit trail'),
+              to: { name: 'AuditTrail' },
+              roles: ['SuperAdmins']
+            },
+            {
+              text: this.$gettext('Messages'),
+              to: { name: 'MessageLog' },
+              roles: ['DomainAdmins', 'Resellers', 'SuperAdmins']
+            }
+          ]
+        },
+        {
+          icon: 'mdi-email-sync-outline',
+          text: this.$gettext('IMAP Migration'),
+          roles: ['SuperAdmins', 'Resellers'],
+          children: [
+            {
+              text: this.$gettext('Email providers'),
+              to: { name: 'ProvdiersList' },
+              roles: ['SuperAdmins', 'Resellers']
+            },
+            {
+              text: this.$gettext('Migrations'),
+              to: { name: 'MigrationsList' },
+              roles: ['Resellers', 'SuperAdmins']
+            }
+          ]
+        },
+        {
+          icon: 'mdi-cog',
+          text: this.$gettext('Settings'),
+          children: [],
+          roles: ['SuperAdmins']
+        },
+        {
+          icon: 'mdi-information',
+          text: this.$gettext('Information'),
+          roles: ['SuperAdmins'],
+          to: { name: 'Information' }
+        }
+      ],
       userSettingsMenuItems: [
         {
           text: this.$gettext('API'),
@@ -184,7 +277,29 @@ export default {
       ]
     }
   },
+  created () {
+    parameters.getApplications().then(response => {
+      response.data.forEach(item => {
+        this.mainMenuItems[6].children.push({
+          text: item.label,
+          to: { name: 'ParametersEdit', params: { app: item.name } }
+        })
+      })
+    })
+    parameters.getApplication('imap_migration').then(response => {
+      this.imapMigration = response.data.params.enabled_imapmigration
+    })
+    bus.$on('imapSettingsChanged', (status) => { this.imapMigration = status })
+  },
   methods: {
+    displayMenuItem (item) {
+      const condition = (item.roles === undefined || item.roles.indexOf(this.authUser.role) !== -1) && (item.condition === undefined || item.condition()) && (item.activated !== false)
+      if (item.icon === 'mdi-email-sync-outline') {
+        // For imapMigration
+        return condition && this.imapMigration
+      }
+      return condition
+    },
     logout () {
       this.$store.dispatch('auth/logout').then(() => {
         this.$router.push({ name: 'Login' })
diff --git a/frontend/src/components/layout/SettingsDrawer.vue b/frontend/src/components/layout/SettingsDrawer.vue
deleted file mode 100644
index 92b5b6b9f..000000000
--- a/frontend/src/components/layout/SettingsDrawer.vue
+++ /dev/null
@@ -1,86 +0,0 @@
-<template>
-<v-list-group
-              color="white"
-              :key="settings.text"
-              :prepend-icon="settings.icon"
-              no-action>
-  <template v-slot:activator>
-    <v-list-item-title>{{ settings.title }}</v-list-item-title>
-  </template>
-
-  <template v-for="subitem in settings.children">
-    <v-list-item v-if="!subitem.children"
-                  :key="subitem.text"
-                  :to="subitem.to"
-                  link>
-      <v-list-item-content>
-        <v-list-item-title>{{ subitem.text }}</v-list-item-title>
-      </v-list-item-content>
-    </v-list-item>
-    <v-list-group v-else
-                  :key="subitem.text"
-                  :value="true"
-                  no-action
-                  sub-group>
-      <template v-slot:activator>
-        <v-list-item-title>{{ subitem.text }}</v-list-item-title>
-      </template>
-      <v-list-item v-for="subsubitem in subitem.children"
-                    :key="subsubitem.text"
-                    :to="subsubitem.to"
-                    link>
-        <v-list-item-title>{{ subsubitem.text }}</v-list-item-title>
-      </v-list-item>
-    </v-list-group>
-  </template>
-</v-list-group>
-</template>
-
-<script>
-import { mapGetters } from 'vuex'
-
-export default {
-  props: ['parametersList', 'extension'],
-  computed: {
-    ...mapGetters({
-      authUser: 'auth/authUser'
-    }),
-    settings () {
-      const menu = this.settingMenu
-      this.parametersList.forEach(item => {
-        if (item.is_extension === this.extension) {
-          menu.children.push({
-            text: item.label,
-            to: { name: 'ParametersEdit', params: { app: item.name } }
-          })
-        }
-      })
-      return menu
-    }
-  },
-  data () {
-    return {
-      settingMenu:
-      {
-        title: this.$gettext('Settings'),
-        icon: 'mdi-cog',
-        children: [],
-        roles: ['SuperAdmins']
-      }
-    }
-  }
-}
-</script>
-
-<style lang="scss" scoped>
-.v-list-item {
-  &--active {
-    &::before {
-      opacity: 0;
-    }
-    background-color: #034bad;
-    color: white;
-    opacity: 1;
-  }
-}
-</style>
diff --git a/modoboa/imap_migration/api/v2/serializers.py b/modoboa/imap_migration/api/v2/serializers.py
index 6cd56021a..60e9180de 100644
--- a/modoboa/imap_migration/api/v2/serializers.py
+++ b/modoboa/imap_migration/api/v2/serializers.py
@@ -1,6 +1,9 @@
 """APIv2 serializers."""
 
+from django.utils.translation import gettext_lazy as _
 from rest_framework import serializers
+from rest_framework.exceptions import ValidationError
+from modoboa.admin.models.domain import Domain
 
 
 class IMAPMigrationSettingsSerializer(serializers.Serializer):
@@ -28,3 +31,19 @@ class CheckProviderSerializer(serializers.Serializer):
     address = serializers.CharField()
     port = serializers.IntegerField(min_value=0, max_value=65535)
     secured = serializers.BooleanField()
+
+
+class CheckAssociatedDomainSerializer(serializers.Serializer):
+    """A serializer for checking associated domains."""
+
+    initialdomain = serializers.CharField()
+    new_domain = serializers.CharField()
+
+    def validate(self, data):
+        if data["initialdomain"] != data["new_domain"]:
+            if not Domain.objects.filter(name=data["initialdomain"]):
+                raise ValidationError({"new_domain": [
+                    _("You must create the local domain first.")]
+                    })
+        return data
+
diff --git a/modoboa/imap_migration/api/v2/viewsets.py b/modoboa/imap_migration/api/v2/viewsets.py
index 1eea06b81..97cc1a655 100644
--- a/modoboa/imap_migration/api/v2/viewsets.py
+++ b/modoboa/imap_migration/api/v2/viewsets.py
@@ -8,7 +8,7 @@ from rest_framework import serializers, response
 from rest_framework.decorators import action
 
 from modoboa.imap_migration.api.v1 import viewsets as v1_viewsets
-from .serializers import CheckProviderSerializer
+from .serializers import CheckProviderSerializer, CheckAssociatedDomainSerializer
 
 
 class EmailProviderViewSet(v1_viewsets.EmailProviderViewSet):
@@ -33,3 +33,12 @@ class EmailProviderViewSet(v1_viewsets.EmailProviderViewSet):
             print(error)
             return response.Response({'status': 'failed'}, 400)
         return response.Response(status=200)
+
+    @action(methods=["post"], detail=False)
+    def check_associated_domain(self, request, **kwargs):
+        """check that the associated domain is either the same as the provider,
+        or if a local domain already exists.
+        This is to prevent errros on setup."""
+        serializer = CheckAssociatedDomainSerializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+        return response.Response(status=200)