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Code Issues Wiki Activity

Move user_follow to separate file (#1210)

Browse source 
Also add unit tests
This commit is contained in:
Ethan Koenig 2017-03-11 03:46:53 -05:00 committed by Lunny Xiao
parent 1e3548b7e7
commit 3803f257fb
5 changed files with 123 additions and 72 deletions
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4
models/fixtures/follow.yml Normal file
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@ -0,0 +1,4 @@
-
id: 1
user_id: 4
follow_id: 2

3
models/fixtures/user.yml
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@ -26,6 +26,7 @@
avatar_email: user2@example.com
num_repos: 2
num_stars: 2
num_followers: 1
-
id: 3
@ -56,6 +57,7 @@
avatar: avatar4
avatar_email: user4@example.com
num_repos: 0
num_following: 1
-
id: 5
@ -72,6 +74,7 @@
num_repos: 1
allow_create_organization: false
is_active: true
num_following: 0
-
id: 6

72
models/user.go
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@ -1292,78 +1292,6 @@ func SearchUserByName(opts *SearchUserOptions) (users []*User, _ int64, _ error)
return users, count, sess.Find(&users)
}
// ___________ .__ .__
// \_ _____/___ | | | | ______ _ __
// | __)/ _ \| | | | / _ \ \/ \/ /
// | \( <_> ) |_| |_( <_> ) /
// \___ / \____/|____/____/\____/ \/\_/
// \/
// Follow represents relations of user and his/her followers.
type Follow struct {
ID int64 `xorm:"pk autoincr"`
UserID int64 `xorm:"UNIQUE(follow)"`
FollowID int64 `xorm:"UNIQUE(follow)"`
}
// IsFollowing returns true if user is following followID.
func IsFollowing(userID, followID int64) bool {
has, _ := x.Get(&Follow{UserID: userID, FollowID: followID})
return has
}
// FollowUser marks someone be another's follower.
func FollowUser(userID, followID int64) (err error) {
if userID == followID || IsFollowing(userID, followID) {
return nil
}
sess := x.NewSession()
defer sessionRelease(sess)
if err = sess.Begin(); err != nil {
return err
}
if _, err = sess.Insert(&Follow{UserID: userID, FollowID: followID}); err != nil {
return err
}
if _, err = sess.Exec("UPDATE `user` SET num_followers = num_followers + 1 WHERE id = ?", followID); err != nil {
return err
}
if _, err = sess.Exec("UPDATE `user` SET num_following = num_following + 1 WHERE id = ?", userID); err != nil {
return err
}
return sess.Commit()
}
// UnfollowUser unmarks someone as another's follower.
func UnfollowUser(userID, followID int64) (err error) {
if userID == followID || !IsFollowing(userID, followID) {
return nil
}
sess := x.NewSession()
defer sessionRelease(sess)
if err = sess.Begin(); err != nil {
return err
}
if _, err = sess.Delete(&Follow{UserID: userID, FollowID: followID}); err != nil {
return err
}
if _, err = sess.Exec("UPDATE `user` SET num_followers = num_followers - 1 WHERE id = ?", followID); err != nil {
return err
}
if _, err = sess.Exec("UPDATE `user` SET num_following = num_following - 1 WHERE id = ?", userID); err != nil {
return err
}
return sess.Commit()
}
// GetStarredRepos returns the repos starred by a particular user
func GetStarredRepos(userID int64, private bool) ([]*Repository, error) {
sess := x.Where("star.uid=?", userID).

71
models/user_follow.go Normal file
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@ -0,0 +1,71 @@
// Copyright 2017 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 models
// Follow represents relations of user and his/her followers.
type Follow struct {
ID int64 `xorm:"pk autoincr"`
UserID int64 `xorm:"UNIQUE(follow)"`
FollowID int64 `xorm:"UNIQUE(follow)"`
}
// IsFollowing returns true if user is following followID.
func IsFollowing(userID, followID int64) bool {
has, _ := x.Get(&Follow{UserID: userID, FollowID: followID})
return has
}
// FollowUser marks someone be another's follower.
func FollowUser(userID, followID int64) (err error) {
if userID == followID || IsFollowing(userID, followID) {
return nil
}
sess := x.NewSession()
defer sessionRelease(sess)
if err = sess.Begin(); err != nil {
return err
}
if _, err = sess.Insert(&Follow{UserID: userID, FollowID: followID}); err != nil {
return err
}
if _, err = sess.Exec("UPDATE `user` SET num_followers = num_followers + 1 WHERE id = ?", followID); err != nil {
return err
}
if _, err = sess.Exec("UPDATE `user` SET num_following = num_following + 1 WHERE id = ?", userID); err != nil {
return err
}
return sess.Commit()
}
// UnfollowUser unmarks someone as another's follower.
func UnfollowUser(userID, followID int64) (err error) {
if userID == followID || !IsFollowing(userID, followID) {
return nil
}
sess := x.NewSession()
defer sessionRelease(sess)
if err = sess.Begin(); err != nil {
return err
}
if _, err = sess.Delete(&Follow{UserID: userID, FollowID: followID}); err != nil {
return err
}
if _, err = sess.Exec("UPDATE `user` SET num_followers = num_followers - 1 WHERE id = ?", followID); err != nil {
return err
}
if _, err = sess.Exec("UPDATE `user` SET num_following = num_following - 1 WHERE id = ?", userID); err != nil {
return err
}
return sess.Commit()
}

45
models/user_follow_test.go Normal file
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@ -0,0 +1,45 @@
package models
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestIsFollowing(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
assert.True(t, IsFollowing(4, 2))
assert.False(t, IsFollowing(2, 4))
assert.False(t, IsFollowing(5, NonexistentID))
assert.False(t, IsFollowing(NonexistentID, 5))
assert.False(t, IsFollowing(NonexistentID, NonexistentID))
}
func TestFollowUser(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
testSuccess := func(followerID, followedID int64) {
assert.NoError(t, FollowUser(followerID, followedID))
AssertExistsAndLoadBean(t, &Follow{UserID: followerID, FollowID: followedID})
}
testSuccess(4, 2)
testSuccess(5, 2)
assert.NoError(t, FollowUser(2, 2))
CheckConsistencyFor(t, &User{})
}
func TestUnfollowUser(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
testSuccess := func(followerID, followedID int64) {
assert.NoError(t, UnfollowUser(followerID, followedID))
AssertNotExistsBean(t, &Follow{UserID: followerID, FollowID: followedID})
}
testSuccess(4, 2)
testSuccess(5, 2)
testSuccess(2, 2)
CheckConsistencyFor(t, &User{})
}