4 files changed, 61 insertions, 4 deletions

diff --git a/client/src/app/+admin/plugins/plugin-list-installed/plugin-list-installed.component.html b/client/src/app/+admin/plugins/plugin-list-installed/plugin-list-installed.component.html
index d4501490f..f10b4eb8d 100644
--- a/client/src/app/+admin/plugins/plugin-list-installed/plugin-list-installed.component.html
+++ b/client/src/app/+admin/plugins/plugin-list-installed/plugin-list-installed.component.html
@@ -26,8 +26,11 @@
             <span i18n class="button-label">Homepage</span>
           </a>
 
+          <my-edit-button *ngIf="pluginType !== PluginType.THEME" [routerLink]="getShowRouterLink(plugin)" label="Settings" i18n-label></my-edit-button>
 
-          <my-edit-button [routerLink]="getShowRouterLink(plugin)" label="Settings" i18n-label></my-edit-button>
+          <my-button class="update-button" *ngIf="!isUpdateAvailable(plugin)" (click)="update(plugin)" [loading]="isUpdating(plugin)"
+                     [label]="getUpdateLabel(plugin)" icon="refresh" [attr.disabled]="isUpdating(plugin)"
+          ></my-button>
 
           <my-delete-button (click)="uninstall(plugin)" label="Uninstall" i18n-label></my-delete-button>
         </div>
diff --git a/client/src/app/+admin/plugins/plugin-list-installed/plugin-list-installed.component.scss b/client/src/app/+admin/plugins/plugin-list-installed/plugin-list-installed.component.scss
index f250404ed..7641c507b 100644
--- a/client/src/app/+admin/plugins/plugin-list-installed/plugin-list-installed.component.scss
+++ b/client/src/app/+admin/plugins/plugin-list-installed/plugin-list-installed.component.scss
@@ -35,3 +35,7 @@
   @include peertube-button-link;
   @include button-with-icon(21px, 0, -2px);
 }
+
+.update-button[disabled="true"] /deep/ .action-button {
+  cursor: default !important;
+}
diff --git a/client/src/app/+admin/plugins/plugin-list-installed/plugin-list-installed.component.ts b/client/src/app/+admin/plugins/plugin-list-installed/plugin-list-installed.component.ts
index 26a9a616e..67a11c3a8 100644
--- a/client/src/app/+admin/plugins/plugin-list-installed/plugin-list-installed.component.ts
+++ b/client/src/app/+admin/plugins/plugin-list-installed/plugin-list-installed.component.ts
@@ -6,6 +6,7 @@ import { ComponentPagination, hasMoreItems } from '@app/shared/rest/component-pa
 import { ConfirmService, Notifier } from '@app/core'
 import { PeerTubePlugin } from '@shared/models/plugins/peertube-plugin.model'
 import { ActivatedRoute, Router } from '@angular/router'
+import { compareSemVer } from '@app/shared/misc/utils'
 
 @Component({
   selector: 'my-plugin-list-installed',
@@ -26,6 +27,9 @@ export class PluginListInstalledComponent implements OnInit {
   sort = 'name'
 
   plugins: PeerTubePlugin[] = []
+  updating: { [name: string]: boolean } = {}
+
+  PluginType = PluginType
 
   constructor (
     private i18n: I18n,
@@ -49,7 +53,7 @@ export class PluginListInstalledComponent implements OnInit {
     this.pagination.currentPage = 1
     this.plugins = []
 
-    this.router.navigate([], { queryParams: { pluginType: this.pluginType }})
+    this.router.navigate([], { queryParams: { pluginType: this.pluginType } })
 
     this.loadMorePlugins()
   }
@@ -82,6 +86,18 @@ export class PluginListInstalledComponent implements OnInit {
     return this.i18n('You don\'t have themes installed yet.')
   }
 
+  isUpdateAvailable (plugin: PeerTubePlugin) {
+    return plugin.latestVersion && compareSemVer(plugin.latestVersion, plugin.version) > 0
+  }
+
+  getUpdateLabel (plugin: PeerTubePlugin) {
+    return this.i18n('Update to {{version}}', { version: plugin.latestVersion })
+  }
+
+  isUpdating (plugin: PeerTubePlugin) {
+    return !!this.updating[this.getUpdatingKey(plugin)]
+  }
+
   async uninstall (plugin: PeerTubePlugin) {
     const res = await this.confirmService.confirm(
       this.i18n('Do you really want to uninstall {{pluginName}}?', { pluginName: plugin.name }),
@@ -102,7 +118,32 @@ export class PluginListInstalledComponent implements OnInit {
       )
   }
 
+  async update (plugin: PeerTubePlugin) {
+    const updatingKey = this.getUpdatingKey(plugin)
+    if (this.updating[updatingKey]) return
+
+    this.updating[updatingKey] = true
+
+    this.pluginService.update(plugin.name, plugin.type)
+        .pipe()
+        .subscribe(
+          res => {
+            this.updating[updatingKey] = false
+
+            this.notifier.success(this.i18n('{{pluginName}} updated.', { pluginName: plugin.name }))
+
+            Object.assign(plugin, res)
+          },
+
+          err => this.notifier.error(err.message)
+        )
+  }
+
   getShowRouterLink (plugin: PeerTubePlugin) {
     return [ '/admin', 'plugins', 'show', this.pluginService.nameToNpmName(plugin.name, plugin.type) ]
   }
+
+  private getUpdatingKey (plugin: PeerTubePlugin) {
+    return plugin.name + plugin.type
+  }
 }
diff --git a/client/src/app/+admin/plugins/shared/plugin-api.service.ts b/client/src/app/+admin/plugins/shared/plugin-api.service.ts
index 1d33cd179..89f190675 100644
--- a/client/src/app/+admin/plugins/shared/plugin-api.service.ts
+++ b/client/src/app/+admin/plugins/shared/plugin-api.service.ts
@@ -9,7 +9,7 @@ import { ComponentPagination } from '@app/shared/rest/component-pagination.model
 import { ResultList } from '@shared/models'
 import { PeerTubePlugin } from '@shared/models/plugins/peertube-plugin.model'
 import { ManagePlugin } from '@shared/models/plugins/manage-plugin.model'
-import { InstallPlugin } from '@shared/models/plugins/install-plugin.model'
+import { InstallOrUpdatePlugin } from '@shared/models/plugins/install-plugin.model'
 import { RegisterSettingOptions } from '@shared/models/plugins/register-setting.model'
 
 @Injectable()
@@ -89,8 +89,17 @@ export class PluginApiService {
                .pipe(catchError(res => this.restExtractor.handleError(res)))
   }
 
+  update (pluginName: string, pluginType: PluginType) {
+    const body: ManagePlugin = {
+      npmName: this.nameToNpmName(pluginName, pluginType)
+    }
+
+    return this.authHttp.post(PluginApiService.BASE_APPLICATION_URL + '/update', body)
+               .pipe(catchError(res => this.restExtractor.handleError(res)))
+  }
+
   install (npmName: string) {
-    const body: InstallPlugin = {
+    const body: InstallOrUpdatePlugin = {
       npmName
     }