Move migrations into services and base into modules/migration (#17663)

* Move migrtions into services and base into modules/migration

* Fix imports

* Fix lint

1 files changed, 48 insertions, 0 deletions

diff --git a/modules/migration/issue.go b/modules/migration/issue.go
new file mode 100644
index 0000000000..26812633f9
--- /dev/null
+++ b/modules/migration/issue.go
@@ -0,0 +1,48 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Copyright 2018 Jonas Franz. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package migration
+
+import "time"
+
+// IssueContext is used to map between local and foreign issue/PR ids.
+type IssueContext interface {
+	LocalID() int64
+	ForeignID() int64
+}
+
+// BasicIssueContext is a 1:1 mapping between local and foreign ids.
+type BasicIssueContext int64
+
+// LocalID gets the local id.
+func (c BasicIssueContext) LocalID() int64 {
+	return int64(c)
+}
+
+// ForeignID gets the foreign id.
+func (c BasicIssueContext) ForeignID() int64 {
+	return int64(c)
+}
+
+// Issue is a standard issue information
+type Issue struct {
+	Number      int64
+	PosterID    int64  `yaml:"poster_id"`
+	PosterName  string `yaml:"poster_name"`
+	PosterEmail string `yaml:"poster_email"`
+	Title       string
+	Content     string
+	Ref         string
+	Milestone   string
+	State       string // closed, open
+	IsLocked    bool   `yaml:"is_locked"`
+	Created     time.Time
+	Updated     time.Time
+	Closed      *time.Time
+	Labels      []*Label
+	Reactions   []*Reaction
+	Assignees   []string
+	Context     IssueContext `yaml:"-"`
+}