From f95628636b6ccdf3eae2449ca718e075b072f678 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Thu, 20 Aug 2020 11:46:25 +0200
Subject: Support plugin hooks in embed

---
 client/src/root-helpers/plugins.ts | 81 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 client/src/root-helpers/plugins.ts

(limited to 'client/src/root-helpers/plugins.ts')

diff --git a/client/src/root-helpers/plugins.ts b/client/src/root-helpers/plugins.ts
new file mode 100644
index 000000000..011721761
--- /dev/null
+++ b/client/src/root-helpers/plugins.ts
@@ -0,0 +1,81 @@
+import { getHookType, internalRunHook } from '@shared/core-utils/plugins/hooks'
+import { ClientHookName, ClientScript, RegisterClientHookOptions, ServerConfigPlugin, PluginType, clientHookObject } from '../../../shared/models'
+import { RegisterClientHelpers } from 'src/types/register-client-option.model'
+import { ClientScript as ClientScriptModule } from '../types/client-script.model'
+import { importModule } from './utils'
+
+interface HookStructValue extends RegisterClientHookOptions {
+  plugin: ServerConfigPlugin
+  clientScript: ClientScript
+}
+
+type Hooks = { [ name: string ]: HookStructValue[] }
+
+type PluginInfo = {
+  plugin: ServerConfigPlugin
+  clientScript: ClientScript
+  pluginType: PluginType
+  isTheme: boolean
+}
+
+async function runHook<T> (hooks: Hooks, hookName: ClientHookName, result?: T, params?: any) {
+  if (!hooks[hookName]) return result
+
+  const hookType = getHookType(hookName)
+
+  for (const hook of hooks[hookName]) {
+    console.log('Running hook %s of plugin %s.', hookName, hook.plugin.name)
+
+    result = await internalRunHook(hook.handler, hookType, result, params, err => {
+      console.error('Cannot run hook %s of script %s of plugin %s.', hookName, hook.clientScript.script, hook.plugin.name, err)
+    })
+  }
+
+  return result
+}
+
+function loadPlugin (hooks: Hooks, pluginInfo: PluginInfo, peertubeHelpersFactory: (pluginInfo: PluginInfo) => RegisterClientHelpers) {
+  const { plugin, clientScript } = pluginInfo
+
+  const registerHook = (options: RegisterClientHookOptions) => {
+    if (clientHookObject[options.target] !== true) {
+      console.error('Unknown hook %s of plugin %s. Skipping.', options.target, plugin.name)
+      return
+    }
+
+    if (!hooks[options.target]) hooks[options.target] = []
+
+    hooks[options.target].push({
+      plugin,
+      clientScript,
+      target: options.target,
+      handler: options.handler,
+      priority: options.priority || 0
+    })
+  }
+
+  const peertubeHelpers = peertubeHelpersFactory(pluginInfo)
+
+  console.log('Loading script %s of plugin %s.', clientScript.script, plugin.name)
+
+  return importModule(clientScript.script)
+    .then((script: ClientScriptModule) => script.register({ registerHook, peertubeHelpers }))
+    .then(() => sortHooksByPriority(hooks))
+    .catch(err => console.error('Cannot import or register plugin %s.', pluginInfo.plugin.name, err))
+}
+
+export {
+  HookStructValue,
+  Hooks,
+  PluginInfo,
+  loadPlugin,
+  runHook
+}
+
+function sortHooksByPriority (hooks: Hooks) {
+  for (const hookName of Object.keys(hooks)) {
+    hooks[hookName].sort((a, b) => {
+      return b.priority - a.priority
+    })
+  }
+}
-- 
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