5 files changed, 77 insertions, 24 deletions

diff --git a/client/src/app/+videos/+video-edit/shared/video-edit.component.html b/client/src/app/+videos/+video-edit/shared/video-edit.component.html
index aa88d6c4c..f65cd8883 100644
--- a/client/src/app/+videos/+video-edit/shared/video-edit.component.html
+++ b/client/src/app/+videos/+video-edit/shared/video-edit.component.html
@@ -146,6 +146,13 @@
               </ng-template>
             </my-peertube-checkbox>
 
+            <ng-container ngbNavItem *ngIf="getPluginsFields('main').length !== 0">
+
+              <div *ngFor="let pluginSetting of getPluginsFields('main')" class="form-group" [hidden]="isPluginFieldHidden(pluginSetting)">
+                <my-dynamic-form-field [form]="pluginDataFormGroup" [formErrors]="formErrors['pluginData']" [setting]="pluginSetting.commonOptions"></my-dynamic-form-field>
+              </div>
+
+            </ng-container>
           </div>
         </div>
       </ng-template>
@@ -339,15 +346,15 @@
       </ng-template>
     </ng-container>
 
-    <ng-container ngbNavItem *ngIf="pluginFields.length !== 0">
+    <ng-container ngbNavItem *ngIf="getPluginsFields('plugin-settings').length !== 0">
       <a ngbNavLink i18n>Plugin settings</a>
 
       <ng-template ngbNavContent>
         <div class="row plugin-settings">
 
           <div class="col-md-12 col-xl-8">
-            <div *ngFor="let pluginSetting of pluginFields" class="form-group" [hidden]="isPluginFieldHidden(pluginSetting)">
-              <my-dynamic-form-field [form]="pluginDataFormGroup" [formErrors]="formErrors" [setting]="pluginSetting.commonOptions"></my-dynamic-form-field>
+            <div *ngFor="let pluginSetting of getPluginsFields('plugin-settings')" class="form-group" [hidden]="isPluginFieldHidden(pluginSetting)">
+              <my-dynamic-form-field [form]="pluginDataFormGroup" [formErrors]="formErrors['pluginData']" [setting]="pluginSetting.commonOptions"></my-dynamic-form-field>
             </div>
           </div>
 
diff --git a/client/src/app/+videos/+video-edit/shared/video-edit.component.ts b/client/src/app/+videos/+video-edit/shared/video-edit.component.ts
index 2bec933e9..a03005bcb 100644
--- a/client/src/app/+videos/+video-edit/shared/video-edit.component.ts
+++ b/client/src/app/+videos/+video-edit/shared/video-edit.component.ts
@@ -1,10 +1,11 @@
 import { forkJoin } from 'rxjs'
 import { map } from 'rxjs/operators'
 import { SelectChannelItem } from 'src/types/select-options-item.model'
-import { Component, EventEmitter, Input, NgZone, OnDestroy, OnInit, Output, ViewChild } from '@angular/core'
-import { FormArray, FormControl, FormGroup, Validators } from '@angular/forms'
+import { ChangeDetectorRef, Component, EventEmitter, Input, NgZone, OnDestroy, OnInit, Output, ViewChild } from '@angular/core'
+import { AbstractControl, FormArray, FormControl, FormGroup, ValidationErrors, Validators } from '@angular/forms'
 import { HooksService, PluginService, ServerService } from '@app/core'
 import { removeElementFromArray } from '@app/helpers'
+import { BuildFormValidator } from '@app/shared/form-validators'
 import {
   VIDEO_CATEGORY_VALIDATOR,
   VIDEO_CHANNEL_VALIDATOR,
@@ -101,7 +102,8 @@ export class VideoEditComponent implements OnInit, OnDestroy {
     private instanceService: InstanceService,
     private i18nPrimengCalendarService: I18nPrimengCalendarService,
     private ngZone: NgZone,
-    private hooks: HooksService
+    private hooks: HooksService,
+    private cd: ChangeDetectorRef
   ) {
     this.calendarTimezone = this.i18nPrimengCalendarService.getTimezone()
     this.calendarDateFormat = this.i18nPrimengCalendarService.getDateFormat()
@@ -116,7 +118,7 @@ export class VideoEditComponent implements OnInit, OnDestroy {
       licence: this.serverConfig.defaults.publish.licence,
       tags: []
     }
-    const obj: any = {
+    const obj: { [ id: string ]: BuildFormValidator } = {
       name: VIDEO_NAME_VALIDATOR,
       privacy: VIDEO_PRIVACY_VALIDATOR,
       channelId: VIDEO_CHANNEL_VALIDATOR,
@@ -138,7 +140,7 @@ export class VideoEditComponent implements OnInit, OnDestroy {
       saveReplay: null
     }
 
-    this.formValidatorService.updateForm(
+    this.formValidatorService.updateFormGroup(
       this.form,
       this.formErrors,
       this.validationMessages,
@@ -275,6 +277,14 @@ export class VideoEditComponent implements OnInit, OnDestroy {
     })
   }
 
+  getPluginsFields (tab: 'main' | 'plugin-settings') {
+    return this.pluginFields.filter(p => {
+      const wanted = p.videoFormOptions.tab ?? 'plugin-settings'
+
+      return wanted === tab
+    })
+  }
+
   private sortVideoCaptions () {
     this.videoCaptions.sort((v1, v2) => {
       if (v1.language.label < v2.language.label) return -1
@@ -289,15 +299,44 @@ export class VideoEditComponent implements OnInit, OnDestroy {
 
     if (this.pluginFields.length === 0) return
 
-    const obj: any = {}
+    const pluginObj: { [ id: string ]: BuildFormValidator } = {}
+    const pluginValidationMessages: FormReactiveValidationMessages = {}
+    const pluginFormErrors: any = {}
+    const pluginDefaults: any = {}
 
     for (const setting of this.pluginFields) {
-      obj[setting.commonOptions.name] = new FormControl(setting.commonOptions.default)
+      const validator = (control: AbstractControl): ValidationErrors | null => {
+        if (!setting.commonOptions.error) return null
+
+        const error = setting.commonOptions.error({ formValues: this.form.value, value: control.value })
+
+        return error?.error ? { [setting.commonOptions.name]: error.text } : null
+      }
+
+      const name = setting.commonOptions.name
+
+      pluginObj[name] = {
+        VALIDATORS: [ validator ],
+        MESSAGES: {}
+      }
+
+      pluginDefaults[name] = setting.commonOptions.default
     }
 
-    this.pluginDataFormGroup = new FormGroup(obj)
+    this.pluginDataFormGroup = new FormGroup({})
+    this.formValidatorService.updateFormGroup(
+      this.pluginDataFormGroup,
+      pluginFormErrors,
+      pluginValidationMessages,
+      pluginObj,
+      pluginDefaults
+    )
+
     this.form.addControl('pluginData', this.pluginDataFormGroup)
+    this.formErrors['pluginData'] = pluginFormErrors
+    this.validationMessages['pluginData'] = pluginValidationMessages
 
+    this.cd.detectChanges()
     this.pluginFieldsAdded.emit()
   }
 
diff --git a/client/src/app/+videos/+video-edit/video-add-components/video-upload.component.ts b/client/src/app/+videos/+video-edit/video-add-components/video-upload.component.ts
index 76f154249..fa5800897 100644
--- a/client/src/app/+videos/+video-edit/video-add-components/video-upload.component.ts
+++ b/client/src/app/+videos/+video-edit/video-add-components/video-upload.component.ts
@@ -226,7 +226,7 @@ export class VideoUploadComponent extends VideoSend implements OnInit, OnDestroy
   }
 
   isPublishingButtonDisabled () {
-    return !this.form.valid ||
+    return !this.checkForm() ||
       this.isUpdatingVideo === true ||
       this.videoUploaded !== true ||
       !this.videoUploadedIds.id
@@ -240,7 +240,7 @@ export class VideoUploadComponent extends VideoSend implements OnInit, OnDestroy
   }
 
   updateSecondStep () {
-    if (this.isPublishingButtonDisabled() || !this.checkForm()) {
+    if (this.isPublishingButtonDisabled()) {
       return
     }
 
diff --git a/client/src/app/shared/shared-forms/form-reactive.ts b/client/src/app/shared/shared-forms/form-reactive.ts
index f2ce82360..30b59c141 100644
--- a/client/src/app/shared/shared-forms/form-reactive.ts
+++ b/client/src/app/shared/shared-forms/form-reactive.ts
@@ -56,13 +56,18 @@ export abstract class FormReactive {
 
       if (control.dirty) this.formChanged = true
 
-      // Don't care if dirty on force check
-      const isDirty = control.dirty || forceCheck === true
-      if (control && isDirty && control.enabled && !control.valid) {
-        const messages = validationMessages[field]
-        for (const key of Object.keys(control.errors)) {
-          formErrors[field] += messages[key] + ' '
-        }
+      if (forceCheck) control.updateValueAndValidity({ emitEvent: false })
+      if (!control || !control.dirty || !control.enabled || control.valid) continue
+
+      const staticMessages = validationMessages[field]
+      for (const key of Object.keys(control.errors)) {
+        const formErrorValue = control.errors[key]
+
+        // Try to find error message in static validation messages first
+        // Then check if the validator returns a string that is the error
+        if (typeof formErrorValue === 'boolean') formErrors[field] += staticMessages[key] + ' '
+        else if (typeof formErrorValue === 'string') formErrors[field] += control.errors[key]
+        else throw new Error('Form error value of ' + field + ' is invalid')
       }
     }
   }
diff --git a/client/src/app/shared/shared-forms/form-validator.service.ts b/client/src/app/shared/shared-forms/form-validator.service.ts
index c0664de5f..055fbb2d9 100644
--- a/client/src/app/shared/shared-forms/form-validator.service.ts
+++ b/client/src/app/shared/shared-forms/form-validator.service.ts
@@ -40,7 +40,7 @@ export class FormValidatorService {
     return { form, formErrors, validationMessages }
   }
 
-  updateForm (
+  updateFormGroup (
     form: FormGroup,
     formErrors: FormReactiveErrors,
     validationMessages: FormReactiveValidationMessages,
@@ -52,7 +52,7 @@ export class FormValidatorService {
 
       const field = obj[name]
       if (this.isRecursiveField(field)) {
-        this.updateForm(
+        this.updateFormGroup(
           form[name],
           formErrors[name] as FormReactiveErrors,
           validationMessages[name] as FormReactiveValidationMessages,
@@ -66,8 +66,10 @@ export class FormValidatorService {
 
       const defaultValue = defaultValues[name] || ''
 
-      if (field?.VALIDATORS) form.addControl(name, new FormControl(defaultValue, field.VALIDATORS as ValidatorFn[]))
-      else form.addControl(name, new FormControl(defaultValue))
+      form.addControl(
+        name,
+        new FormControl(defaultValue, field?.VALIDATORS as ValidatorFn[])
+      )
     }
   }