#1692 APIs: Users Followers

- User profile un/follow
- List user's followers/following

2 files changed, 137 insertions, 3 deletions

diff --git a/routers/api/v1/api.go b/routers/api/v1/api.go
index cc169f708d..e1a23f0d40 100644
--- a/routers/api/v1/api.go
+++ b/routers/api/v1/api.go
@@ -135,19 +135,32 @@ func RegisterRoutes(m *macaron.Macaron) {
 		m.Group("/users", func() {
 			m.Group("/:username", func() {
 				m.Get("/keys", user.ListPublicKeys)
+
+				m.Get("/followers", user.ListFollowers)
+				m.Group("/following", func() {
+					m.Get("", user.ListFollowing)
+					m.Get("/:target", user.CheckFollowing)
+				})
 			})
 		}, ReqToken())
 
 		m.Group("/user", func() {
+			m.Combo("/emails").Get(user.ListEmails).
+				Post(bind(api.CreateEmailOption{}), user.AddEmail).
+				Delete(bind(api.CreateEmailOption{}), user.DeleteEmail)
+
+			m.Get("/followers", user.ListMyFollowers)
+			m.Group("/following", func() {
+				m.Get("", user.ListMyFollowing)
+				m.Combo("/:username").Get(user.CheckMyFollowing).Put(user.Follow).Delete(user.Unfollow)
+			})
+
 			m.Group("/keys", func() {
 				m.Combo("").Get(user.ListMyPublicKeys).
 					Post(bind(api.CreateKeyOption{}), user.CreatePublicKey)
 				m.Combo("/:id").Get(user.GetPublicKey).
 					Delete(user.DeletePublicKey)
 			})
-			m.Combo("/emails").Get(user.ListEmails).
-				Post(bind(api.CreateEmailOption{}), user.AddEmail).
-				Delete(bind(api.CreateEmailOption{}), user.DeleteEmail)
 		}, ReqToken())
 
 		// Repositories
diff --git a/routers/api/v1/user/followers.go b/routers/api/v1/user/followers.go
new file mode 100644
index 0000000000..0a28979647
--- /dev/null
+++ b/routers/api/v1/user/followers.go
@@ -0,0 +1,121 @@
+// Copyright 2015 The Gogs 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 user
+
+import (
+	api "github.com/gogits/go-gogs-client"
+
+	"github.com/gogits/gogs/models"
+	"github.com/gogits/gogs/modules/middleware"
+	"github.com/gogits/gogs/routers/api/v1/convert"
+)
+
+func responseApiUsers(ctx *middleware.Context, users []*models.User) {
+	apiUsers := make([]*api.User, len(users))
+	for i := range users {
+		apiUsers[i] = convert.ToApiUser(users[i])
+	}
+	ctx.JSON(200, &apiUsers)
+}
+
+func listUserFollowers(ctx *middleware.Context, u *models.User) {
+	users, err := u.GetFollowers(ctx.QueryInt("page"))
+	if err != nil {
+		ctx.APIError(500, "GetUserFollowers", err)
+		return
+	}
+	responseApiUsers(ctx, users)
+}
+
+func ListMyFollowers(ctx *middleware.Context) {
+	listUserFollowers(ctx, ctx.User)
+}
+
+// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#list-followers-of-a-user
+func ListFollowers(ctx *middleware.Context) {
+	u := GetUserByParams(ctx)
+	if ctx.Written() {
+		return
+	}
+	listUserFollowers(ctx, u)
+}
+
+func listUserFollowing(ctx *middleware.Context, u *models.User) {
+	users, err := u.GetFollowing(ctx.QueryInt("page"))
+	if err != nil {
+		ctx.APIError(500, "GetFollowing", err)
+		return
+	}
+	responseApiUsers(ctx, users)
+}
+
+func ListMyFollowing(ctx *middleware.Context) {
+	listUserFollowing(ctx, ctx.User)
+}
+
+// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#list-users-followed-by-another-user
+func ListFollowing(ctx *middleware.Context) {
+	u := GetUserByParams(ctx)
+	if ctx.Written() {
+		return
+	}
+	listUserFollowing(ctx, u)
+}
+
+func checkUserFollowing(ctx *middleware.Context, u *models.User, followID int64) {
+	if u.IsFollowing(followID) {
+		ctx.Status(204)
+	} else {
+		ctx.Error(404)
+	}
+}
+
+// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#check-if-you-are-following-a-user
+func CheckMyFollowing(ctx *middleware.Context) {
+	target := GetUserByParams(ctx)
+	if ctx.Written() {
+		return
+	}
+	checkUserFollowing(ctx, ctx.User, target.Id)
+}
+
+// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#check-if-one-user-follows-another
+func CheckFollowing(ctx *middleware.Context) {
+	u := GetUserByParams(ctx)
+	if ctx.Written() {
+		return
+	}
+	target := GetUserByParamsName(ctx, ":target")
+	if ctx.Written() {
+		return
+	}
+	checkUserFollowing(ctx, u, target.Id)
+}
+
+// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#follow-a-user
+func Follow(ctx *middleware.Context) {
+	target := GetUserByParams(ctx)
+	if ctx.Written() {
+		return
+	}
+	if err := models.FollowUser(ctx.User.Id, target.Id); err != nil {
+		ctx.APIError(500, "FollowUser", err)
+		return
+	}
+	ctx.Status(204)
+}
+
+// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#unfollow-a-user
+func Unfollow(ctx *middleware.Context) {
+	target := GetUserByParams(ctx)
+	if ctx.Written() {
+		return
+	}
+	if err := models.UnfollowUser(ctx.User.Id, target.Id); err != nil {
+		ctx.APIError(500, "UnfollowUser", err)
+		return
+	}
+	ctx.Status(204)
+}