From e08a26e23dcd0b94200df92c4e7e290f3db4e2fd Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Fri, 21 Aug 2020 16:00:48 +0200
Subject: Add doc for custom video fields

---
 support/doc/plugins/guide.md | 62 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)

(limited to 'support/doc')

diff --git a/support/doc/plugins/guide.md b/support/doc/plugins/guide.md
index d6d2114da..7f359d408 100644
--- a/support/doc/plugins/guide.md
+++ b/support/doc/plugins/guide.md
@@ -379,6 +379,68 @@ peertubeHelpers.getSettings()
   })
 ```
 
+### Add custom fields to video form
+
+To add custom fields in the video form (in *Plugin settings* tab):
+
+```
+async function register ({ registerVideoField, peertubeHelpers }) {
+  const descriptionHTML = await peertubeHelpers.translate(descriptionSource)
+  const commonOptions = {
+    name: 'my-field-name,
+    label: 'My added field',
+    descriptionHTML: 'Optional description',
+    type: 'input-textarea',
+    default: ''
+  }
+
+  for (const type of [ 'upload', 'import-url', 'import-torrent', 'update' ]) {
+    registerVideoField(commonOptions, { type })
+  }
+}
+```
+
+PeerTube will send this field value in `body.pluginData['my-field-name']` and fetch it from `video.pluginData['my-field-name']`.
+
+So for example, if you want to store an additional metadata for videos, register the following hooks in **server**:
+
+```
+async function register ({
+  registerHook,
+  storageManager
+}) {
+  const fieldName = 'my-field-name'
+
+  // Store data associated to this video
+  registerHook({
+    target: 'action:api.video.updated',
+    handler: ({ video, body }) => {
+      if (!body.pluginData) return
+
+      const value = body.pluginData[fieldName]
+      if (!value) return
+
+      storageManager.storeData(fieldName + '-' + video.id, value)
+    }
+  })
+
+  // Add your custom value to the video, so the client autofill your field using the previously stored value
+  registerHook({
+    target: 'filter:api.video.get.result',
+    handler: async (video) => {
+      if (!video) return video
+      if (!video.pluginData) video.pluginData = {}
+
+      const result = await storageManager.getData(fieldName + '-' + video.id)
+      video.pluginData[fieldName] = result
+
+      return video
+    }
+  })
+}
+
+```
+
 
 ### Publishing
 
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