Migrate reactions when migrating repository from github (#9599)

* Migrate reactions when migrating repository from github

* fix missed sleep

* fix tests

* update reactions when external user binding

* Fix test

* fix tests

* change the copy head

* fix test

* fix migrator add/delete reaction

modules/migrations/base/comment.go

@@ -16,5 +16,5 @@ type Comment struct {
 	Created     time.Time
 	Updated     time.Time
 	Content     string
-	Reactions   *Reactions
+	Reactions   []*Reaction
 }

modules/migrations/base/issue.go

@@ -22,5 +22,5 @@ type Issue struct {
 	Updated     time.Time
 	Closed      *time.Time
 	Labels      []*Label
-	Reactions   *Reactions
+	Reactions   []*Reaction
 }

modules/migrations/base/pullrequest.go

@@ -33,6 +33,7 @@ type PullRequest struct {
 	Assignee       string
 	Assignees      []string
 	IsLocked       bool
+	Reactions      []*Reaction
 }
 
 // IsForkPullRequest returns true if the pull request from a forked repository but not the same repository

modules/migrations/base/reaction.go

@@ -1,17 +1,12 @@
-// Copyright 2019 The Gitea Authors. All rights reserved.
-// Copyright 2018 Jonas Franz. All rights reserved.
+// Copyright 2020 The Gitea Authors. All rights reserved.
 // Use of this source code is governed by a MIT-style
 // license that can be found in the LICENSE file.
 
 package base
 
-// Reactions represents a summary of reactions.
-type Reactions struct {
-	TotalCount int
-	PlusOne    int
-	MinusOne   int
-	Laugh      int
-	Confused   int
-	Heart      int
-	Hooray     int
+// Reaction represents a reaction to an issue/pr/comment.
+type Reaction struct {
+	UserID   int64
+	UserName string
+	Content  string
 }