Reorganize client shared modules

18 files changed, 915 insertions, 0 deletions

diff --git a/client/src/app/shared/shared-forms/form-validators/batch-domains-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/batch-domains-validators.service.ts
new file mode 100644
index 000000000..f270b602b
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/batch-domains-validators.service.ts
@@ -0,0 +1,69 @@
+import { Injectable } from '@angular/core'
+import { ValidatorFn, Validators } from '@angular/forms'
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { BuildFormValidator } from './form-validator.service'
+import { validateHost } from './host'
+
+@Injectable()
+export class BatchDomainsValidatorsService {
+  readonly DOMAINS: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+    this.DOMAINS = {
+      VALIDATORS: [ Validators.required, this.validDomains, this.isHostsUnique ],
+      MESSAGES: {
+        'required': this.i18n('Domain is required.'),
+        'validDomains': this.i18n('Domains entered are invalid.'),
+        'uniqueDomains': this.i18n('Domains entered contain duplicates.')
+      }
+    }
+  }
+
+  getNotEmptyHosts (hosts: string) {
+    return hosts
+      .split('\n')
+      .filter((host: string) => host && host.length !== 0) // Eject empty hosts
+  }
+
+  private validDomains: ValidatorFn = (control) => {
+    if (!control.value) return null
+
+    const newHostsErrors = []
+    const hosts = this.getNotEmptyHosts(control.value)
+
+    for (const host of hosts) {
+      if (validateHost(host) === false) {
+        newHostsErrors.push(this.i18n('{{host}} is not valid', { host }))
+      }
+    }
+
+    /* Is not valid. */
+    if (newHostsErrors.length !== 0) {
+      return {
+        'validDomains': {
+          reason: 'invalid',
+          value: newHostsErrors.join('. ') + '.'
+        }
+      }
+    }
+
+    /* Is valid. */
+    return null
+  }
+
+  private isHostsUnique: ValidatorFn = (control) => {
+    if (!control.value) return null
+
+    const hosts = this.getNotEmptyHosts(control.value)
+
+    if (hosts.every((host: string) => hosts.indexOf(host) === hosts.lastIndexOf(host))) {
+      return null
+    } else {
+      return {
+        'uniqueDomains': {
+          reason: 'invalid'
+        }
+      }
+    }
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/custom-config-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/custom-config-validators.service.ts
new file mode 100644
index 000000000..c77aba6a1
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/custom-config-validators.service.ts
@@ -0,0 +1,98 @@
+import { Validators } from '@angular/forms'
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { BuildFormValidator } from './form-validator.service'
+import { Injectable } from '@angular/core'
+
+@Injectable()
+export class CustomConfigValidatorsService {
+  readonly INSTANCE_NAME: BuildFormValidator
+  readonly INSTANCE_SHORT_DESCRIPTION: BuildFormValidator
+  readonly SERVICES_TWITTER_USERNAME: BuildFormValidator
+  readonly CACHE_PREVIEWS_SIZE: BuildFormValidator
+  readonly CACHE_CAPTIONS_SIZE: BuildFormValidator
+  readonly SIGNUP_LIMIT: BuildFormValidator
+  readonly ADMIN_EMAIL: BuildFormValidator
+  readonly TRANSCODING_THREADS: BuildFormValidator
+  readonly INDEX_URL: BuildFormValidator
+  readonly SEARCH_INDEX_URL: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+    this.INSTANCE_NAME = {
+      VALIDATORS: [ Validators.required ],
+      MESSAGES: {
+        'required': this.i18n('Instance name is required.')
+      }
+    }
+
+    this.INSTANCE_SHORT_DESCRIPTION = {
+      VALIDATORS: [ Validators.max(250) ],
+      MESSAGES: {
+        'max': this.i18n('Short description should not be longer than 250 characters.')
+      }
+    }
+
+    this.SERVICES_TWITTER_USERNAME = {
+      VALIDATORS: [ Validators.required ],
+      MESSAGES: {
+        'required': this.i18n('Twitter username is required.')
+      }
+    }
+
+    this.CACHE_PREVIEWS_SIZE = {
+      VALIDATORS: [ Validators.required, Validators.min(1), Validators.pattern('[0-9]+') ],
+      MESSAGES: {
+        'required': this.i18n('Previews cache size is required.'),
+        'min': this.i18n('Previews cache size must be greater than 1.'),
+        'pattern': this.i18n('Previews cache size must be a number.')
+      }
+    }
+
+    this.CACHE_CAPTIONS_SIZE = {
+      VALIDATORS: [ Validators.required, Validators.min(1), Validators.pattern('[0-9]+') ],
+      MESSAGES: {
+        'required': this.i18n('Captions cache size is required.'),
+        'min': this.i18n('Captions cache size must be greater than 1.'),
+        'pattern': this.i18n('Captions cache size must be a number.')
+      }
+    }
+
+    this.SIGNUP_LIMIT = {
+      VALIDATORS: [ Validators.required, Validators.min(-1), Validators.pattern('-?[0-9]+') ],
+      MESSAGES: {
+        'required': this.i18n('Signup limit is required.'),
+        'min': this.i18n('Signup limit must be greater than 1.'),
+        'pattern': this.i18n('Signup limit must be a number.')
+      }
+    }
+
+    this.ADMIN_EMAIL = {
+      VALIDATORS: [ Validators.required, Validators.email ],
+      MESSAGES: {
+        'required': this.i18n('Admin email is required.'),
+        'email': this.i18n('Admin email must be valid.')
+      }
+    }
+
+    this.TRANSCODING_THREADS = {
+      VALIDATORS: [ Validators.required, Validators.min(0) ],
+      MESSAGES: {
+        'required': this.i18n('Transcoding threads is required.'),
+        'min': this.i18n('Transcoding threads must be greater or equal to 0.')
+      }
+    }
+
+    this.INDEX_URL = {
+      VALIDATORS: [ Validators.pattern(/^https:\/\//) ],
+      MESSAGES: {
+        'pattern': this.i18n('Index URL should be a URL')
+      }
+    }
+
+    this.SEARCH_INDEX_URL = {
+      VALIDATORS: [ Validators.pattern(/^https?:\/\//) ],
+      MESSAGES: {
+        'pattern': this.i18n('Search index URL should be a URL')
+      }
+    }
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/form-validator.service.ts b/client/src/app/shared/shared-forms/form-validators/form-validator.service.ts
new file mode 100644
index 000000000..dec7d8d9a
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/form-validator.service.ts
@@ -0,0 +1,87 @@
+import { FormBuilder, FormControl, FormGroup, ValidatorFn } from '@angular/forms'
+import { Injectable } from '@angular/core'
+import { FormReactiveErrors, FormReactiveValidationMessages } from '../form-reactive'
+
+export type BuildFormValidator = {
+  VALIDATORS: ValidatorFn[],
+  MESSAGES: { [ name: string ]: string }
+}
+export type BuildFormArgument = {
+  [ id: string ]: BuildFormValidator | BuildFormArgument
+}
+export type BuildFormDefaultValues = {
+  [ name: string ]: string | string[] | BuildFormDefaultValues
+}
+
+@Injectable()
+export class FormValidatorService {
+
+  constructor (
+    private formBuilder: FormBuilder
+  ) {}
+
+  buildForm (obj: BuildFormArgument, defaultValues: BuildFormDefaultValues = {}) {
+    const formErrors: FormReactiveErrors = {}
+    const validationMessages: FormReactiveValidationMessages = {}
+    const group: { [key: string]: any } = {}
+
+    for (const name of Object.keys(obj)) {
+      formErrors[name] = ''
+
+      const field = obj[name]
+      if (this.isRecursiveField(field)) {
+        const result = this.buildForm(field as BuildFormArgument, defaultValues[name] as BuildFormDefaultValues)
+        group[name] = result.form
+        formErrors[name] = result.formErrors
+        validationMessages[name] = result.validationMessages
+
+        continue
+      }
+
+      if (field && field.MESSAGES) validationMessages[name] = field.MESSAGES as { [ name: string ]: string }
+
+      const defaultValue = defaultValues[name] || ''
+
+      if (field && field.VALIDATORS) group[name] = [ defaultValue, field.VALIDATORS ]
+      else group[name] = [ defaultValue ]
+    }
+
+    const form = this.formBuilder.group(group)
+    return { form, formErrors, validationMessages }
+  }
+
+  updateForm (
+    form: FormGroup,
+    formErrors: FormReactiveErrors,
+    validationMessages: FormReactiveValidationMessages,
+    obj: BuildFormArgument,
+    defaultValues: BuildFormDefaultValues = {}
+  ) {
+    for (const name of Object.keys(obj)) {
+      formErrors[name] = ''
+
+      const field = obj[name]
+      if (this.isRecursiveField(field)) {
+        this.updateForm(
+          form[name],
+          formErrors[name] as FormReactiveErrors,
+          validationMessages[name] as FormReactiveValidationMessages,
+          obj[name] as BuildFormArgument,
+          defaultValues[name] as BuildFormDefaultValues
+        )
+        continue
+      }
+
+      if (field && field.MESSAGES) validationMessages[name] = field.MESSAGES as { [ name: string ]: string }
+
+      const defaultValue = defaultValues[name] || ''
+
+      if (field && field.VALIDATORS) form.addControl(name, new FormControl(defaultValue, field.VALIDATORS as ValidatorFn[]))
+      else form.addControl(name, new FormControl(defaultValue))
+    }
+  }
+
+  private isRecursiveField (field: any) {
+    return field && typeof field === 'object' && !field.MESSAGES && !field.VALIDATORS
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/host.ts b/client/src/app/shared/shared-forms/form-validators/host.ts
new file mode 100644
index 000000000..c18a35f9b
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/host.ts
@@ -0,0 +1,8 @@
+export function validateHost (value: string) {
+  // Thanks to http://stackoverflow.com/a/106223
+  const HOST_REGEXP = new RegExp(
+    '^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$'
+  )
+
+  return HOST_REGEXP.test(value)
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/index.ts b/client/src/app/shared/shared-forms/form-validators/index.ts
new file mode 100644
index 000000000..8b71841a9
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/index.ts
@@ -0,0 +1,17 @@
+export * from './batch-domains-validators.service'
+export * from './custom-config-validators.service'
+export * from './form-validator.service'
+export * from './host'
+export * from './instance-validators.service'
+export * from './login-validators.service'
+export * from './reset-password-validators.service'
+export * from './user-validators.service'
+export * from './video-abuse-validators.service'
+export * from './video-accept-ownership-validators.service'
+export * from './video-block-validators.service'
+export * from './video-captions-validators.service'
+export * from './video-change-ownership-validators.service'
+export * from './video-channel-validators.service'
+export * from './video-comment-validators.service'
+export * from './video-playlist-validators.service'
+export * from './video-validators.service'
diff --git a/client/src/app/shared/shared-forms/form-validators/instance-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/instance-validators.service.ts
new file mode 100644
index 000000000..96a35a48f
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/instance-validators.service.ts
@@ -0,0 +1,62 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { Validators } from '@angular/forms'
+import { BuildFormValidator } from './form-validator.service'
+import { Injectable } from '@angular/core'
+
+@Injectable()
+export class InstanceValidatorsService {
+  readonly FROM_EMAIL: BuildFormValidator
+  readonly FROM_NAME: BuildFormValidator
+  readonly SUBJECT: BuildFormValidator
+  readonly BODY: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+
+    this.FROM_EMAIL = {
+      VALIDATORS: [ Validators.required, Validators.email ],
+      MESSAGES: {
+        'required': this.i18n('Email is required.'),
+        'email': this.i18n('Email must be valid.')
+      }
+    }
+
+    this.FROM_NAME = {
+      VALIDATORS: [
+        Validators.required,
+        Validators.minLength(1),
+        Validators.maxLength(120)
+      ],
+      MESSAGES: {
+        'required': this.i18n('Your name is required.'),
+        'minlength': this.i18n('Your name must be at least 1 character long.'),
+        'maxlength': this.i18n('Your name cannot be more than 120 characters long.')
+      }
+    }
+
+    this.SUBJECT = {
+      VALIDATORS: [
+        Validators.required,
+        Validators.minLength(1),
+        Validators.maxLength(120)
+      ],
+      MESSAGES: {
+        'required': this.i18n('A subject is required.'),
+        'minlength': this.i18n('The subject must be at least 1 character long.'),
+        'maxlength': this.i18n('The subject cannot be more than 120 characters long.')
+      }
+    }
+
+    this.BODY = {
+      VALIDATORS: [
+        Validators.required,
+        Validators.minLength(3),
+        Validators.maxLength(5000)
+      ],
+      MESSAGES: {
+        'required': this.i18n('A message is required.'),
+        'minlength': this.i18n('The message must be at least 3 characters long.'),
+        'maxlength': this.i18n('The message cannot be more than 5000 characters long.')
+      }
+    }
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/login-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/login-validators.service.ts
new file mode 100644
index 000000000..a5837357e
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/login-validators.service.ts
@@ -0,0 +1,30 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { Validators } from '@angular/forms'
+import { Injectable } from '@angular/core'
+import { BuildFormValidator } from './form-validator.service'
+
+@Injectable()
+export class LoginValidatorsService {
+  readonly LOGIN_USERNAME: BuildFormValidator
+  readonly LOGIN_PASSWORD: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+    this.LOGIN_USERNAME = {
+      VALIDATORS: [
+        Validators.required
+      ],
+      MESSAGES: {
+        'required': this.i18n('Username is required.')
+      }
+    }
+
+    this.LOGIN_PASSWORD = {
+      VALIDATORS: [
+        Validators.required
+      ],
+      MESSAGES: {
+        'required': this.i18n('Password is required.')
+      }
+    }
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/reset-password-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/reset-password-validators.service.ts
new file mode 100644
index 000000000..d2085a309
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/reset-password-validators.service.ts
@@ -0,0 +1,20 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { Validators } from '@angular/forms'
+import { Injectable } from '@angular/core'
+import { BuildFormValidator } from './form-validator.service'
+
+@Injectable()
+export class ResetPasswordValidatorsService {
+  readonly RESET_PASSWORD_CONFIRM: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+    this.RESET_PASSWORD_CONFIRM = {
+      VALIDATORS: [
+        Validators.required
+      ],
+      MESSAGES: {
+        'required': this.i18n('Confirmation of the password is required.')
+      }
+    }
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/user-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/user-validators.service.ts
new file mode 100644
index 000000000..bd3030a54
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/user-validators.service.ts
@@ -0,0 +1,151 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { Validators } from '@angular/forms'
+import { BuildFormValidator } from './form-validator.service'
+import { Injectable } from '@angular/core'
+
+@Injectable()
+export class UserValidatorsService {
+  readonly USER_USERNAME: BuildFormValidator
+  readonly USER_EMAIL: BuildFormValidator
+  readonly USER_PASSWORD: BuildFormValidator
+  readonly USER_PASSWORD_OPTIONAL: BuildFormValidator
+  readonly USER_CONFIRM_PASSWORD: BuildFormValidator
+  readonly USER_VIDEO_QUOTA: BuildFormValidator
+  readonly USER_VIDEO_QUOTA_DAILY: BuildFormValidator
+  readonly USER_ROLE: BuildFormValidator
+  readonly USER_DISPLAY_NAME_REQUIRED: BuildFormValidator
+  readonly USER_DESCRIPTION: BuildFormValidator
+  readonly USER_TERMS: BuildFormValidator
+
+  readonly USER_BAN_REASON: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+
+    this.USER_USERNAME = {
+      VALIDATORS: [
+        Validators.required,
+        Validators.minLength(1),
+        Validators.maxLength(50),
+        Validators.pattern(/^[a-z0-9][a-z0-9._]*$/)
+      ],
+      MESSAGES: {
+        'required': this.i18n('Username is required.'),
+        'minlength': this.i18n('Username must be at least 1 character long.'),
+        'maxlength': this.i18n('Username cannot be more than 50 characters long.'),
+        'pattern': this.i18n('Username should be lowercase alphanumeric; dots and underscores are allowed.')
+      }
+    }
+
+    this.USER_EMAIL = {
+      VALIDATORS: [ Validators.required, Validators.email ],
+      MESSAGES: {
+        'required': this.i18n('Email is required.'),
+        'email': this.i18n('Email must be valid.')
+      }
+    }
+
+    this.USER_PASSWORD = {
+      VALIDATORS: [
+        Validators.required,
+        Validators.minLength(6),
+        Validators.maxLength(255)
+      ],
+      MESSAGES: {
+        'required': this.i18n('Password is required.'),
+        'minlength': this.i18n('Password must be at least 6 characters long.'),
+        'maxlength': this.i18n('Password cannot be more than 255 characters long.')
+      }
+    }
+
+    this.USER_PASSWORD_OPTIONAL = {
+      VALIDATORS: [
+        Validators.minLength(6),
+        Validators.maxLength(255)
+      ],
+      MESSAGES: {
+        'minlength': this.i18n('Password must be at least 6 characters long.'),
+        'maxlength': this.i18n('Password cannot be more than 255 characters long.')
+      }
+    }
+
+    this.USER_CONFIRM_PASSWORD = {
+      VALIDATORS: [],
+      MESSAGES: {
+        'matchPassword': this.i18n('The new password and the confirmed password do not correspond.')
+      }
+    }
+
+    this.USER_VIDEO_QUOTA = {
+      VALIDATORS: [ Validators.required, Validators.min(-1) ],
+      MESSAGES: {
+        'required': this.i18n('Video quota is required.'),
+        'min': this.i18n('Quota must be greater than -1.')
+      }
+    }
+    this.USER_VIDEO_QUOTA_DAILY = {
+      VALIDATORS: [ Validators.required, Validators.min(-1) ],
+      MESSAGES: {
+        'required': this.i18n('Daily upload limit is required.'),
+        'min': this.i18n('Daily upload limit must be greater than -1.')
+      }
+    }
+
+    this.USER_ROLE = {
+      VALIDATORS: [ Validators.required ],
+      MESSAGES: {
+        'required': this.i18n('User role is required.')
+      }
+    }
+
+    this.USER_DISPLAY_NAME_REQUIRED = this.getDisplayName(true)
+
+    this.USER_DESCRIPTION = {
+      VALIDATORS: [
+        Validators.minLength(3),
+        Validators.maxLength(1000)
+      ],
+      MESSAGES: {
+        'minlength': this.i18n('Description must be at least 3 characters long.'),
+        'maxlength': this.i18n('Description cannot be more than 1000 characters long.')
+      }
+    }
+
+    this.USER_TERMS = {
+      VALIDATORS: [
+        Validators.requiredTrue
+      ],
+      MESSAGES: {
+        'required': this.i18n('You must agree with the instance terms in order to register on it.')
+      }
+    }
+
+    this.USER_BAN_REASON = {
+      VALIDATORS: [
+        Validators.minLength(3),
+        Validators.maxLength(250)
+      ],
+      MESSAGES: {
+        'minlength': this.i18n('Ban reason must be at least 3 characters long.'),
+        'maxlength': this.i18n('Ban reason cannot be more than 250 characters long.')
+      }
+    }
+  }
+
+  private getDisplayName (required: boolean) {
+    const control = {
+      VALIDATORS: [
+        Validators.minLength(1),
+        Validators.maxLength(120)
+      ],
+      MESSAGES: {
+        'required': this.i18n('Display name is required.'),
+        'minlength': this.i18n('Display name must be at least 1 character long.'),
+        'maxlength': this.i18n('Display name cannot be more than 50 characters long.')
+      }
+    }
+
+    if (required) control.VALIDATORS.push(Validators.required)
+
+    return control
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/video-abuse-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/video-abuse-validators.service.ts
new file mode 100644
index 000000000..aae56d607
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/video-abuse-validators.service.ts
@@ -0,0 +1,30 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { Validators } from '@angular/forms'
+import { Injectable } from '@angular/core'
+import { BuildFormValidator } from './form-validator.service'
+
+@Injectable()
+export class VideoAbuseValidatorsService {
+  readonly VIDEO_ABUSE_REASON: BuildFormValidator
+  readonly VIDEO_ABUSE_MODERATION_COMMENT: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+    this.VIDEO_ABUSE_REASON = {
+      VALIDATORS: [ Validators.required, Validators.minLength(2), Validators.maxLength(3000) ],
+      MESSAGES: {
+        'required': this.i18n('Report reason is required.'),
+        'minlength': this.i18n('Report reason must be at least 2 characters long.'),
+        'maxlength': this.i18n('Report reason cannot be more than 3000 characters long.')
+      }
+    }
+
+    this.VIDEO_ABUSE_MODERATION_COMMENT = {
+      VALIDATORS: [ Validators.required, Validators.minLength(2), Validators.maxLength(3000) ],
+      MESSAGES: {
+        'required': this.i18n('Moderation comment is required.'),
+        'minlength': this.i18n('Moderation comment must be at least 2 characters long.'),
+        'maxlength': this.i18n('Moderation comment cannot be more than 3000 characters long.')
+      }
+    }
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/video-accept-ownership-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/video-accept-ownership-validators.service.ts
new file mode 100644
index 000000000..998d616ec
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/video-accept-ownership-validators.service.ts
@@ -0,0 +1,18 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { Validators } from '@angular/forms'
+import { Injectable } from '@angular/core'
+import { BuildFormValidator } from './form-validator.service'
+
+@Injectable()
+export class VideoAcceptOwnershipValidatorsService {
+  readonly CHANNEL: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+    this.CHANNEL = {
+      VALIDATORS: [ Validators.required ],
+      MESSAGES: {
+        'required': this.i18n('The channel is required.')
+      }
+    }
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/video-block-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/video-block-validators.service.ts
new file mode 100644
index 000000000..ddf0ab5eb
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/video-block-validators.service.ts
@@ -0,0 +1,19 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { Validators } from '@angular/forms'
+import { Injectable } from '@angular/core'
+import { BuildFormValidator } from './form-validator.service'
+
+@Injectable()
+export class VideoBlockValidatorsService {
+  readonly VIDEO_BLOCK_REASON: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+    this.VIDEO_BLOCK_REASON = {
+      VALIDATORS: [ Validators.minLength(2), Validators.maxLength(300) ],
+      MESSAGES: {
+        'minlength': this.i18n('Block reason must be at least 2 characters long.'),
+        'maxlength': this.i18n('Block reason cannot be more than 300 characters long.')
+      }
+    }
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/video-captions-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/video-captions-validators.service.ts
new file mode 100644
index 000000000..280d28414
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/video-captions-validators.service.ts
@@ -0,0 +1,27 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { Validators } from '@angular/forms'
+import { Injectable } from '@angular/core'
+import { BuildFormValidator } from './form-validator.service'
+
+@Injectable()
+export class VideoCaptionsValidatorsService {
+  readonly VIDEO_CAPTION_LANGUAGE: BuildFormValidator
+  readonly VIDEO_CAPTION_FILE: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+
+    this.VIDEO_CAPTION_LANGUAGE = {
+      VALIDATORS: [ Validators.required ],
+      MESSAGES: {
+        'required': this.i18n('Video caption language is required.')
+      }
+    }
+
+    this.VIDEO_CAPTION_FILE = {
+      VALIDATORS: [ Validators.required ],
+      MESSAGES: {
+        'required': this.i18n('Video caption file is required.')
+      }
+    }
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/video-change-ownership-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/video-change-ownership-validators.service.ts
new file mode 100644
index 000000000..59659defd
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/video-change-ownership-validators.service.ts
@@ -0,0 +1,27 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { AbstractControl, ValidationErrors, Validators } from '@angular/forms'
+import { Injectable } from '@angular/core'
+import { BuildFormValidator } from './form-validator.service'
+
+@Injectable()
+export class VideoChangeOwnershipValidatorsService {
+  readonly USERNAME: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+    this.USERNAME = {
+      VALIDATORS: [ Validators.required, this.localAccountValidator ],
+      MESSAGES: {
+        'required': this.i18n('The username is required.'),
+        'localAccountOnly': this.i18n('You can only transfer ownership to a local account')
+      }
+    }
+  }
+
+  localAccountValidator (control: AbstractControl): ValidationErrors {
+    if (control.value.includes('@')) {
+      return { 'localAccountOnly': true }
+    }
+
+    return null
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/video-channel-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/video-channel-validators.service.ts
new file mode 100644
index 000000000..bb650b149
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/video-channel-validators.service.ts
@@ -0,0 +1,64 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { Validators } from '@angular/forms'
+import { Injectable } from '@angular/core'
+import { BuildFormValidator } from './form-validator.service'
+
+@Injectable()
+export class VideoChannelValidatorsService {
+  readonly VIDEO_CHANNEL_NAME: BuildFormValidator
+  readonly VIDEO_CHANNEL_DISPLAY_NAME: BuildFormValidator
+  readonly VIDEO_CHANNEL_DESCRIPTION: BuildFormValidator
+  readonly VIDEO_CHANNEL_SUPPORT: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+    this.VIDEO_CHANNEL_NAME = {
+      VALIDATORS: [
+        Validators.required,
+        Validators.minLength(1),
+        Validators.maxLength(50),
+        Validators.pattern(/^[a-z0-9][a-z0-9._]*$/)
+      ],
+      MESSAGES: {
+        'required': this.i18n('Name is required.'),
+        'minlength': this.i18n('Name must be at least 1 character long.'),
+        'maxlength': this.i18n('Name cannot be more than 50 characters long.'),
+        'pattern': this.i18n('Name should be lowercase alphanumeric; dots and underscores are allowed.')
+      }
+    }
+
+    this.VIDEO_CHANNEL_DISPLAY_NAME = {
+      VALIDATORS: [
+        Validators.required,
+        Validators.minLength(1),
+        Validators.maxLength(50)
+      ],
+      MESSAGES: {
+        'required': i18n('Display name is required.'),
+        'minlength': i18n('Display name must be at least 1 character long.'),
+        'maxlength': i18n('Display name cannot be more than 50 characters long.')
+      }
+    }
+
+    this.VIDEO_CHANNEL_DESCRIPTION = {
+      VALIDATORS: [
+        Validators.minLength(3),
+        Validators.maxLength(1000)
+      ],
+      MESSAGES: {
+        'minlength': i18n('Description must be at least 3 characters long.'),
+        'maxlength': i18n('Description cannot be more than 1000 characters long.')
+      }
+    }
+
+    this.VIDEO_CHANNEL_SUPPORT = {
+      VALIDATORS: [
+        Validators.minLength(3),
+        Validators.maxLength(1000)
+      ],
+      MESSAGES: {
+        'minlength': i18n('Support text must be at least 3 characters long.'),
+        'maxlength': i18n('Support text cannot be more than 1000 characters long.')
+      }
+    }
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/video-comment-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/video-comment-validators.service.ts
new file mode 100644
index 000000000..97c8e967e
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/video-comment-validators.service.ts
@@ -0,0 +1,20 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { Validators } from '@angular/forms'
+import { Injectable } from '@angular/core'
+import { BuildFormValidator } from './form-validator.service'
+
+@Injectable()
+export class VideoCommentValidatorsService {
+  readonly VIDEO_COMMENT_TEXT: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+    this.VIDEO_COMMENT_TEXT = {
+      VALIDATORS: [ Validators.required, Validators.minLength(1), Validators.maxLength(3000) ],
+      MESSAGES: {
+        'required': this.i18n('Comment is required.'),
+        'minlength': this.i18n('Comment must be at least 2 characters long.'),
+        'maxlength': this.i18n('Comment cannot be more than 3000 characters long.')
+      }
+    }
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/video-playlist-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/video-playlist-validators.service.ts
new file mode 100644
index 000000000..ab9c43625
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/video-playlist-validators.service.ts
@@ -0,0 +1,66 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { AbstractControl, FormControl, Validators } from '@angular/forms'
+import { Injectable } from '@angular/core'
+import { BuildFormValidator } from './form-validator.service'
+import { VideoPlaylistPrivacy } from '@shared/models'
+
+@Injectable()
+export class VideoPlaylistValidatorsService {
+  readonly VIDEO_PLAYLIST_DISPLAY_NAME: BuildFormValidator
+  readonly VIDEO_PLAYLIST_PRIVACY: BuildFormValidator
+  readonly VIDEO_PLAYLIST_DESCRIPTION: BuildFormValidator
+  readonly VIDEO_PLAYLIST_CHANNEL_ID: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+    this.VIDEO_PLAYLIST_DISPLAY_NAME = {
+      VALIDATORS: [
+        Validators.required,
+        Validators.minLength(1),
+        Validators.maxLength(120)
+      ],
+      MESSAGES: {
+        'required': this.i18n('Display name is required.'),
+        'minlength': this.i18n('Display name must be at least 1 character long.'),
+        'maxlength': this.i18n('Display name cannot be more than 120 characters long.')
+      }
+    }
+
+    this.VIDEO_PLAYLIST_PRIVACY = {
+      VALIDATORS: [
+        Validators.required
+      ],
+      MESSAGES: {
+        'required': this.i18n('Privacy is required.')
+      }
+    }
+
+    this.VIDEO_PLAYLIST_DESCRIPTION = {
+      VALIDATORS: [
+        Validators.minLength(3),
+        Validators.maxLength(1000)
+      ],
+      MESSAGES: {
+        'minlength': i18n('Description must be at least 3 characters long.'),
+        'maxlength': i18n('Description cannot be more than 1000 characters long.')
+      }
+    }
+
+    this.VIDEO_PLAYLIST_CHANNEL_ID = {
+      VALIDATORS: [ ],
+      MESSAGES: {
+        'required': this.i18n('The channel is required when the playlist is public.')
+      }
+    }
+  }
+
+  setChannelValidator (channelControl: AbstractControl, privacy: VideoPlaylistPrivacy) {
+    if (privacy.toString() === VideoPlaylistPrivacy.PUBLIC.toString()) {
+      channelControl.setValidators([ Validators.required ])
+    } else {
+      channelControl.setValidators(null)
+    }
+
+    channelControl.markAsDirty()
+    channelControl.updateValueAndValidity()
+  }
+}
diff --git a/client/src/app/shared/shared-forms/form-validators/video-validators.service.ts b/client/src/app/shared/shared-forms/form-validators/video-validators.service.ts
new file mode 100644
index 000000000..9b24e4f62
--- /dev/null
+++ b/client/src/app/shared/shared-forms/form-validators/video-validators.service.ts
@@ -0,0 +1,102 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { Validators } from '@angular/forms'
+import { Injectable } from '@angular/core'
+import { BuildFormValidator } from './form-validator.service'
+
+@Injectable()
+export class VideoValidatorsService {
+  readonly VIDEO_NAME: BuildFormValidator
+  readonly VIDEO_PRIVACY: BuildFormValidator
+  readonly VIDEO_CATEGORY: BuildFormValidator
+  readonly VIDEO_LICENCE: BuildFormValidator
+  readonly VIDEO_LANGUAGE: BuildFormValidator
+  readonly VIDEO_IMAGE: BuildFormValidator
+  readonly VIDEO_CHANNEL: BuildFormValidator
+  readonly VIDEO_DESCRIPTION: BuildFormValidator
+  readonly VIDEO_TAGS: BuildFormValidator
+  readonly VIDEO_SUPPORT: BuildFormValidator
+  readonly VIDEO_SCHEDULE_PUBLICATION_AT: BuildFormValidator
+  readonly VIDEO_ORIGINALLY_PUBLISHED_AT: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+
+    this.VIDEO_NAME = {
+      VALIDATORS: [ Validators.required, Validators.minLength(3), Validators.maxLength(120) ],
+      MESSAGES: {
+        'required': this.i18n('Video name is required.'),
+        'minlength': this.i18n('Video name must be at least 3 characters long.'),
+        'maxlength': this.i18n('Video name cannot be more than 120 characters long.')
+      }
+    }
+
+    this.VIDEO_PRIVACY = {
+      VALIDATORS: [ Validators.required ],
+      MESSAGES: {
+        'required': this.i18n('Video privacy is required.')
+      }
+    }
+
+    this.VIDEO_CATEGORY = {
+      VALIDATORS: [ ],
+      MESSAGES: {}
+    }
+
+    this.VIDEO_LICENCE = {
+      VALIDATORS: [ ],
+      MESSAGES: {}
+    }
+
+    this.VIDEO_LANGUAGE = {
+      VALIDATORS: [ ],
+      MESSAGES: {}
+    }
+
+    this.VIDEO_IMAGE = {
+      VALIDATORS: [ ],
+      MESSAGES: {}
+    }
+
+    this.VIDEO_CHANNEL = {
+      VALIDATORS: [ Validators.required ],
+      MESSAGES: {
+        'required': this.i18n('Video channel is required.')
+      }
+    }
+
+    this.VIDEO_DESCRIPTION = {
+      VALIDATORS: [ Validators.minLength(3), Validators.maxLength(10000) ],
+      MESSAGES: {
+        'minlength': this.i18n('Video description must be at least 3 characters long.'),
+        'maxlength': this.i18n('Video description cannot be more than 10000 characters long.')
+      }
+    }
+
+    this.VIDEO_TAGS = {
+      VALIDATORS: [ Validators.minLength(2), Validators.maxLength(30) ],
+      MESSAGES: {
+        'minlength': this.i18n('A tag should be more than 2 characters long.'),
+        'maxlength': this.i18n('A tag should be less than 30 characters long.')
+      }
+    }
+
+    this.VIDEO_SUPPORT = {
+      VALIDATORS: [ Validators.minLength(3), Validators.maxLength(1000) ],
+      MESSAGES: {
+        'minlength': this.i18n('Video support must be at least 3 characters long.'),
+        'maxlength': this.i18n('Video support cannot be more than 1000 characters long.')
+      }
+    }
+
+    this.VIDEO_SCHEDULE_PUBLICATION_AT = {
+      VALIDATORS: [ ],
+      MESSAGES: {
+        'required': this.i18n('A date is required to schedule video update.')
+      }
+    }
+
+    this.VIDEO_ORIGINALLY_PUBLISHED_AT = {
+      VALIDATORS: [ ],
+      MESSAGES: {}
+    }
+  }
+}