Add markdown support to video description

4 files changed, 57 insertions, 1 deletions

diff --git a/client/src/app/videos/shared/index.ts b/client/src/app/videos/shared/index.ts
index dcaa4e090..09d961dd3 100644
--- a/client/src/app/videos/shared/index.ts
+++ b/client/src/app/videos/shared/index.ts
@@ -1,4 +1,5 @@
 export * from './sort-field.type'
+export * from './markdown.service'
 export * from './video.model'
 export * from './video-details.model'
 export * from './video-edit.model'
diff --git a/client/src/app/videos/shared/markdown.service.ts b/client/src/app/videos/shared/markdown.service.ts
new file mode 100644
index 000000000..d8b5b76b6
--- /dev/null
+++ b/client/src/app/videos/shared/markdown.service.ts
@@ -0,0 +1,40 @@
+import { Injectable } from '@angular/core'
+
+import * as MarkdownIt from 'markdown-it'
+
+@Injectable()
+export class MarkdownService {
+  private markdownIt: MarkdownIt.MarkdownIt
+
+  constructor () {
+    this.markdownIt = new MarkdownIt('zero', { linkify: true })
+      .enable('linkify')
+      .enable('autolink')
+      .enable('emphasis')
+      .enable('link')
+      .enable('newline')
+
+    // Snippet from markdown-it documentation: https://github.com/markdown-it/markdown-it/blob/master/docs/architecture.md#renderer
+    const defaultRender = this.markdownIt.renderer.rules.link_open || function (tokens, idx, options, env, self) {
+      return self.renderToken(tokens, idx, options)
+    }
+
+    this.markdownIt.renderer.rules.link_open = function (tokens, idx, options, env, self) {
+      // If you are sure other plugins can't add `target` - drop check below
+      const aIndex = tokens[idx].attrIndex('target')
+
+      if (aIndex < 0) {
+        tokens[idx].attrPush(['target', '_blank']) // add new attribute
+      } else {
+        tokens[idx].attrs[aIndex][1] = '_blank'    // replace value of existing attr
+      }
+
+      // pass token to default renderer.
+      return defaultRender(tokens, idx, options, env, self)
+    }
+  }
+
+  markdownToHTML (markdown: string) {
+    return this.markdownIt.render(markdown)
+  }
+}
diff --git a/client/src/app/videos/shared/video-edit.model.ts b/client/src/app/videos/shared/video-edit.model.ts
index f30d8feba..e0b7bf130 100644
--- a/client/src/app/videos/shared/video-edit.model.ts
+++ b/client/src/app/videos/shared/video-edit.model.ts
@@ -1,3 +1,5 @@
+import { VideoDetails } from './video-details.model'
+
 export class VideoEdit {
   category: number
   licence: number
@@ -10,6 +12,19 @@ export class VideoEdit {
   uuid?: string
   id?: number
 
+  constructor (videoDetails: VideoDetails) {
+    this.id = videoDetails.id
+    this.uuid = videoDetails.uuid
+    this.category = videoDetails.category
+    this.licence = videoDetails.licence
+    this.language = videoDetails.language
+    this.description = videoDetails.description
+    this.name = videoDetails.name
+    this.tags = videoDetails.tags
+    this.nsfw = videoDetails.nsfw
+    this.channel = videoDetails.channel.id
+  }
+
   patch (values: Object) {
     Object.keys(values).forEach((key) => {
       this[key] = values[key]
diff --git a/client/src/app/videos/shared/video.service.ts b/client/src/app/videos/shared/video.service.ts
index 06fb3313e..8fdc1f213 100644
--- a/client/src/app/videos/shared/video.service.ts
+++ b/client/src/app/videos/shared/video.service.ts
@@ -36,7 +36,7 @@ export class VideoService {
     private restService: RestService
   ) {}
 
-  getVideo (uuid: string) {
+  getVideo (uuid: string): Observable<VideoDetails> {
     return this.authHttp.get<VideoDetailsServerModel>(VideoService.BASE_VIDEO_URL + uuid)
                         .map(videoHash => new VideoDetails(videoHash))
                         .catch((res) => this.restExtractor.handleError(res))