fix: bt task copy link bug agalwood#39

Close agalwood#39

src/renderer/components/Task/TaskItemActions.vue

@@ -35,7 +35,8 @@
 
 <script>
   import is from 'electron-is'
-  import clipboard from 'clipboard-polyfill'
+  import { mapState } from 'vuex'
+  import * as clipboard from 'clipboard-polyfill'
   import '@/components/Icons/task-start-line'
   import '@/components/Icons/task-pause-line'
   import '@/components/Icons/delete'
@@ -177,10 +178,14 @@
         })
       },
       onLinkClick: function () {
-        const uri = getTaskUri(this.task)
-        clipboard.writeText(uri)
-          .then(() => {
-            this.$msg.success(this.$t('task.copy-link-success'))
+        this.$store.dispatch('app/fetchEngineOptions')
+          .then((data) => {
+            const { btTracker } = data
+            const uri = getTaskUri(this.task, btTracker)
+            clipboard.writeText(uri)
+              .then(() => {
+                this.$msg.success(this.$t('task.copy-link-success'))
+              })
           })
       },
       onInfoClick: function () {

src/shared/utils.js

@@ -2,6 +2,7 @@ import {
   isEmpty,
   isNaN,
   compact,
+  difference,
   parseInt,
   isFunction,
   camelCase,
@@ -164,11 +165,11 @@ export function getTaskFullPath (task) {
   return result
 }
 
-export function getTaskUri (task) {
+export function getTaskUri (task, btTracker = []) {
   const { files } = task
   let result = ''
   if (checkTaskIsBT(task)) {
-    result = '种子任务'
+    result = buildMagnetLink(task, btTracker)
     return result
   }
 
@@ -180,6 +181,27 @@ export function getTaskUri (task) {
   return result
 }
 
+export function buildMagnetLink (task, btTracker = []) {
+  const { bittorrent, infoHash } = task
+  const { announceList, info: { name } } = bittorrent
+  const trackers = difference(announceList, btTracker)
+
+  let params = [
+    `magnet:?xt=urn:btih:${infoHash}`
+  ]
+  if (name) {
+    params.push(`dn=${encodeURI(name)}`)
+  }
+
+  trackers.forEach((tracker) => {
+    params.push(`tr=${encodeURI(tracker)}`)
+  })
+
+  const result = params.join('&')
+
+  return result
+}
+
 export function checkTaskTitleIsEmpty (task) {
   const { files, bittorrent } = task
   const [file] = files