Added Follow&Unfollow

model/user.go

@@ -19,8 +19,8 @@ type User struct {
 	// TODO: move this to PublicUser
 	LikingCount     int       `json:"likingCount" gorm:"-"`
 	LikedCount      int       `json:"likedCount" gorm:"-"`
-	Likings         []User    `gorm:"foreignkey:userId;associationforeignkey:follower_id;many2many:user_follows"`
-	Liked           []User    `gorm:"foreignkey:follower_id;associationforeignkey:userId;many2many:user_follows"`
+	Likings         []User    // Don't work `gorm:"foreignkey:user_id;associationforeignkey:follower_id;many2many:user_follows"`
+	Liked           []User    // Don't work `gorm:"foreignkey:follower_id;associationforeignkey:user_id;many2many:user_follows"`
 
 	Md5             string     `json:"md5"` // Used for gravatar
 	Torrents        []Torrents `gorm:"ForeignKey:UploaderId"`

router/router.go

@@ -36,6 +36,7 @@ func init() {
 	gzipUserLoginPostHandler := handlers.CompressHandler(http.HandlerFunc(UserLoginPostHandler))
 	gzipUserLogoutHandler := handlers.CompressHandler(http.HandlerFunc(UserLogoutHandler))
 	gzipUserProfileHandler := handlers.CompressHandler(http.HandlerFunc(UserProfileHandler))
+	gzipUserFollowHandler := handlers.CompressHandler(http.HandlerFunc(UserFollowHandler))
 	gzipUserProfileFormHandler := handlers.CompressHandler(http.HandlerFunc(UserProfileFormHandler))
 
 	Router = mux.NewRouter()
@@ -65,6 +66,7 @@ func init() {
 	Router.Handle("/user/login", gzipUserLoginPostHandler).Name("user_login").Methods("POST")
 	Router.Handle("/user/logout", gzipUserLogoutHandler).Name("user_logout")
 	Router.Handle("/user/{id}/{username}", gzipUserProfileHandler).Name("user_profile").Methods("GET")
+	Router.Handle("/user/{id}/{username}/follow", gzipUserFollowHandler).Name("user_follow").Methods("GET")
 	Router.Handle("/user/{id}/{username}", gzipUserProfileFormHandler).Name("user_profile").Methods("POST")
 	Router.PathPrefix("/captcha").Methods("GET").HandlerFunc(captcha.ServeFiles)
 

router/templateFunctions.go

@@ -35,10 +35,10 @@ var FuncMap = template.FuncMap{
 			ret = ret + "<li><a id=\"page-prev\" href=\"" + url.String() + "?" + currentUrl.RawQuery + "\" aria-label=\"Previous\"><span aria-hidden=\"true\">&laquo;</span></a></li>"
 		}
 		startValue := 1
-		if nav.CurrentPage > pagesSelectable {
+		if nav.CurrentPage > pagesSelectable/2 {
 			startValue = (int(math.Min((float64(nav.CurrentPage)+math.Floor(float64(pagesSelectable)/2)), maxPages)) - pagesSelectable + 1)
 		}
-		endValue := (startValue + pagesSelectable - 1)
+		endValue := (startValue + pagesSelectable -1)
 		if endValue > int(maxPages) {
 			endValue = int(maxPages)
 		}
@@ -67,4 +67,5 @@ var FuncMap = template.FuncMap{
 	"CurrentUserIdentical": userPermission.CurrentUserIdentical,
 	"HasAdmin": userPermission.HasAdmin,
 	"GetRole": userPermission.GetRole,
+	"IsFollower": userPermission.IsFollower,
 }

router/templateVariables.go

@@ -87,6 +87,7 @@ type UserLoginFormVariables struct {
 
 type UserProfileVariables struct {
 	UserProfile *model.User
+	FormInfos        map[string][]string
 	Search      SearchForm
 	Navigation  Navigation
 	User        *model.User

router/userHandler.go

@@ -1,7 +1,10 @@
 package router
 
 import (
+	"fmt"
 	"net/http"
+	"strconv"
+
 
 	"github.com/ewhal/nyaa/model"
 	"github.com/ewhal/nyaa/service/captcha"
@@ -56,6 +59,10 @@ func UserProfileHandler(w http.ResponseWriter, r *http.Request) {
 	if (errorUser == nil) {
 	currentUser := GetUser(r)
 	view := r.URL.Query()["edit"]
+	follow := r.URL.Query()["followed"]
+	unfollow := r.URL.Query()["unfollowed"]
+	infosForm := form.NewInfos()
+
 	deleteVar := r.URL.Query()["delete"]
 		if ((view != nil)&&(userPermission.CurrentOrAdmin(currentUser, userProfile.Id))) {
 			b := form.UserForm{}
@@ -80,8 +87,14 @@ func UserProfileHandler(w http.ResponseWriter, r *http.Request) {
 				http.Error(w, errorTmpl.Error(), http.StatusInternalServerError)
 			}
 		} else  {
-			languages.SetTranslationFromRequest(viewProfileTemplate, r, "en-us")
-			htv := UserProfileVariables{&userProfile, NewSearchForm(), Navigation{}, currentUser, r.URL, mux.CurrentRoute(r)}
+			T := languages.SetTranslationFromRequest(viewProfileTemplate, r, "en-us")
+			if (follow != nil) {
+				infosForm["infos"] = append(infosForm["infos"], fmt.Sprintf(T("user_followed_msg"), userProfile.Username))
+			}
+			if (unfollow != nil) {
+				infosForm["infos"] = append(infosForm["infos"], fmt.Sprintf(T("user_unfollowed_msg"), userProfile.Username))
+			} 
+			htv := UserProfileVariables{&userProfile, infosForm, NewSearchForm(), Navigation{}, currentUser, r.URL, mux.CurrentRoute(r)}
 
 			err := viewProfileTemplate.ExecuteTemplate(w, "index.html", htv)
 			if err != nil {
@@ -251,3 +264,23 @@ func UserLogoutHandler(w http.ResponseWriter, r *http.Request) {
 	url, _ := Router.Get("home").URL()
 	http.Redirect(w, r, url.String(), http.StatusSeeOther)
 }
+
+
+func UserFollowHandler(w http.ResponseWriter, r *http.Request) {
+	var followAction string
+	vars := mux.Vars(r)
+	id := vars["id"]
+	currentUser := GetUser(r)
+	user, _, errorUser := userService.RetrieveUserForAdmin(id)
+	if (errorUser == nil) {
+		if (!userPermission.IsFollower(&user, currentUser)) {
+			followAction = "followed"
+			userService.SetFollow(&user, currentUser)
+		} else {
+			followAction = "unfollowed"
+			userService.RemoveFollow(&user, currentUser)
+		}
+	}
+	url, _ := Router.Get("user_profile").URL("id", strconv.Itoa(int(user.Id)), "username", user.Username)
+	http.Redirect(w, r, url.String()+"?"+followAction, http.StatusSeeOther)
+}

service/user/permission/permission.go

@@ -3,6 +3,7 @@ package userPermission
 import (
 	"github.com/ewhal/nyaa/model"
 	"github.com/ewhal/nyaa/util/log"
+	"github.com/ewhal/nyaa/db"
 )
 
 // HasAdmin checks that user has an admin permission.
@@ -38,3 +39,12 @@ func GetRole(user *model.User) string {
 	}
 	return "Member"
 }
+
+func IsFollower(user *model.User, currentUser *model.User) bool {
+	var likingUserCount int
+	db.ORM.Model(&model.UserFollows{}).Where("user_id = ? and following = ?", user.Id, currentUser.Id).Count(&likingUserCount)
+	if likingUserCount != 0 {
+		return true
+	}
+	return false
+}

service/user/user.go

@@ -262,6 +262,11 @@ func RetrieveUserForAdmin(id string) (model.User, int, error) {
 	if db.ORM.Preload("Torrents").First(&user, id).RecordNotFound() {
 		return user, http.StatusNotFound, errors.New("User is not found.")
 	}
+	var liked,likings []model.User 
+	db.ORM.Joins("JOIN user_follows on user_follows.user_id=?", user.Id).Where("users.user_id = user_follows.following").Group("users.user_id").Find(&likings)
+	db.ORM.Joins("JOIN user_follows on user_follows.following=?", user.Id).Where("users.user_id = user_follows.user_id").Group("users.user_id").Find(&liked)
+	user.Likings = likings
+	user.Liked = liked
 	return user, http.StatusOK, nil
 }
 
@@ -272,7 +277,7 @@ func RetrieveUsersForAdmin() []model.User {
 	db.ORM.Find(&users)
 	for _, user := range users {
 		db.ORM.Model(&user)
-		db.ORM.Model(&user).Related("Torrents").Find(&model.Torrents{})
+		db.ORM.Model(&user).Related("Torrents").Related("Likings").Related("Liked").Find(&model.Torrents{})
 		userArr = append(userArr, user)
 	}
 	return userArr
@@ -287,3 +292,17 @@ func CreateUserAuthentication(w http.ResponseWriter, r *http.Request) (int, erro
 	status, err := SetCookieHandler(w, username, pass)
 	return status, err
 }
+
+func SetFollow(user *model.User, follower *model.User) {
+	if (follower.Id > 0 && user.Id > 0) {
+		var userFollows = model.UserFollows{UserID: user.Id, FollowerID: follower.Id}
+		db.ORM.Create(&userFollows)
+	}
+}
+
+func RemoveFollow(user *model.User, follower *model.User) {
+	if (follower.Id > 0 && user.Id > 0) {
+		var userFollows = model.UserFollows{UserID: user.Id, FollowerID: follower.Id}
+		db.ORM.Delete(&userFollows)
+	}
+}

templates/user/profile.html

@@ -1,6 +1,9 @@
 {{define "title"}}{{ T "profile_page" .UserProfile.Username }}{{end}}
 {{define "contclass"}}cont-view{{end}}
 {{define "content"}}
+{{ range (index $.FormInfos "infos")}}
+	<div class="alert alert-info"><a class="panel-close close" data-dismiss="alert">×</a><i class="glyphicon glyphicon-info-sign"></i> {{ . }}</div>
+{{end}}
 <div class="row profile">
 {{with .UserProfile}}
 		<div class="col-md-3">
@@ -24,7 +27,11 @@
 				<div class="profile-userbuttons">
 						{{if gt $.User.Id 0 }}
 						{{if not (CurrentUserIdentical $.User .Id) }}
-					<button type="button" class="btn btn-success btn-sm">{{ T "follow"}}</button>
+						{{if not (IsFollower . $.User)}}
+							<a href="{{ genRoute "user_follow" "id" ( print .Id ) "username" .Username }}" class="btn btn-success btn-sm">{{ T "follow"}}</a>
+						{{else}}
+							<a href="{{ genRoute "user_follow" "id" ( print .Id ) "username" .Username }}" class="btn btn-danger btn-sm">{{ T "unfollow"}}</a>
+						{{end}}
 						{{end}}
 						{{end}}
 					<!-- <button type="button" class="btn btn-danger btn-sm">Message</button> -->

templates/user/profile_edit.html

@@ -24,7 +24,11 @@
 				<div class="profile-userbuttons">
 						{{if gt $.User.Id 0 }}
 						{{if not (CurrentUserIdentical $.User .Id) }}
-					<button type="button" class="btn btn-success btn-sm">{{ T "follow"}}</button>
+						{{if not (IsFollower . $.User)}}
+							<a href="{{ genRoute "user_follow" "id" .Id }}" class="btn btn-success btn-sm">{{ T "follow"}}</a>
+						{{else}}
+							<a href="{{ genRoute "user_follow" "id" .Id }}" class="btn btn-danger btn-sm">{{ T "unfollow"}}</a>
+						{{end}}
 						{{end}}
 						{{end}}
 					<!-- <button type="button" class="btn btn-danger btn-sm">Message</button> -->

translations/en-us.all.json

@@ -119,6 +119,18 @@
     "id":"follow",
     "translation": "Follow"
   },
+  {
+    "id":"unfollow",
+    "translation": "Unfollow"
+  },
+  {
+    "id":"user_followed_msg",
+    "translation": "You have followed %s!"
+  },
+  {
+    "id":"user_unfollowed_msg",
+    "translation": "You have unfollowed %s!"
+  },
   {
     "id":"profile_page",
     "translation": "%s Profile Page"