Instance homepage support (#4007)

* Prepare homepage parsers

* Add ability to update instance hompage

* Add ability to set homepage as landing page

* Add homepage preview in admin

* Dynamically update left menu for homepage

* Inject home content in homepage

* Add videos list and channel miniature custom markup

* Remove unused elements in markup service

1 files changed, 69 insertions, 0 deletions

diff --git a/server/models/account/actor-custom-page.ts b/server/models/account/actor-custom-page.ts
new file mode 100644
index 000000000..893023181
--- /dev/null
+++ b/server/models/account/actor-custom-page.ts
@@ -0,0 +1,69 @@
+import { AllowNull, BelongsTo, Column, CreatedAt, DataType, ForeignKey, Model, Table, UpdatedAt } from 'sequelize-typescript'
+import { CustomPage } from '@shared/models'
+import { ActorModel } from '../actor/actor'
+import { getServerActor } from '../application/application'
+
+@Table({
+  tableName: 'actorCustomPage',
+  indexes: [
+    {
+      fields: [ 'actorId', 'type' ],
+      unique: true
+    }
+  ]
+})
+export class ActorCustomPageModel extends Model {
+
+  @AllowNull(true)
+  @Column(DataType.TEXT)
+  content: string
+
+  @AllowNull(false)
+  @Column
+  type: 'homepage'
+
+  @CreatedAt
+  createdAt: Date
+
+  @UpdatedAt
+  updatedAt: Date
+
+  @ForeignKey(() => ActorModel)
+  @Column
+  actorId: number
+
+  @BelongsTo(() => ActorModel, {
+    foreignKey: {
+      name: 'actorId',
+      allowNull: false
+    },
+    onDelete: 'cascade'
+  })
+  Actor: ActorModel
+
+  static async updateInstanceHomepage (content: string) {
+    const serverActor = await getServerActor()
+
+    return ActorCustomPageModel.upsert({
+      content,
+      actorId: serverActor.id,
+      type: 'homepage'
+    })
+  }
+
+  static async loadInstanceHomepage () {
+    const serverActor = await getServerActor()
+
+    return ActorCustomPageModel.findOne({
+      where: {
+        actorId: serverActor.id
+      }
+    })
+  }
+
+  toFormattedJSON (): CustomPage {
+    return {
+      content: this.content
+    }
+  }
+}