gosora/plugin_socialgroups.go

673 lines
22 KiB
Go

package main
import (
//"fmt"
"bytes"
"context"
"database/sql"
"errors"
"html"
"html/template"
"net/http"
"strconv"
"strings"
"./query_gen/lib"
)
var socialgroupsListStmt *sql.Stmt
var socialgroupsMemberListStmt *sql.Stmt
var socialgroupsMemberListJoinStmt *sql.Stmt
var socialgroupsGetMemberStmt *sql.Stmt
var socialgroupsGetGroupStmt *sql.Stmt
var socialgroupsCreateGroupStmt *sql.Stmt
var socialgroupsAttachForumStmt *sql.Stmt
var socialgroupsUnattachForumStmt *sql.Stmt
var socialgroupsAddMemberStmt *sql.Stmt
// TODO: Add a better way of splitting up giant plugins like this
// SocialGroup is a struct representing a social group
type SocialGroup struct {
ID int
Link string
Name string
Desc string
Active bool
Privacy int /* 0: Public, 1: Protected, 2: Private */
// Who should be able to accept applications and create invites? Mods+ or just admins? Mods is a good start, we can ponder over whether we should make this more flexible in the future.
Joinable int /* 0: Private, 1: Anyone can join, 2: Applications, 3: Invite-only */
MemberCount int
Owner int
Backdrop string
CreatedAt string
LastUpdateTime string
MainForumID int
MainForum *Forum
Forums []*Forum
ExtData ExtData
}
type SocialGroupPage struct {
Title string
CurrentUser User
Header *HeaderVars
ItemList []*TopicsRow
Forum *Forum
SocialGroup *SocialGroup
Page int
LastPage int
}
// SocialGroupListPage is a page struct for constructing a list of every social group
type SocialGroupListPage struct {
Title string
CurrentUser User
Header *HeaderVars
GroupList []*SocialGroup
}
type SocialGroupMemberListPage struct {
Title string
CurrentUser User
Header *HeaderVars
ItemList []SocialGroupMember
SocialGroup *SocialGroup
Page int
LastPage int
}
// SocialGroupMember is a struct representing a specific member of a group, not to be confused with the global User struct.
type SocialGroupMember struct {
Link string
Rank int /* 0: Member. 1: Mod. 2: Admin. */
RankString string /* Member, Mod, Admin, Owner */
PostCount int
JoinedAt string
Offline bool // TODO: Need to track the online states of members when WebSockets are enabled
User User
}
// TODO: Add a plugin interface instead of having a bunch of argument to AddPlugin?
func init() {
plugins["socialgroups"] = NewPlugin("socialgroups", "Social Groups", "Azareal", "http://github.com/Azareal", "", "", "", initSocialgroups, nil, deactivateSocialgroups, installSocialgroups, nil)
}
func initSocialgroups() (err error) {
plugins["socialgroups"].AddHook("intercept_build_widgets", socialgroupsWidgets)
plugins["socialgroups"].AddHook("trow_assign", socialgroupsTrowAssign)
plugins["socialgroups"].AddHook("topic_create_pre_loop", socialgroupsTopicCreatePreLoop)
plugins["socialgroups"].AddHook("pre_render_view_forum", socialgroupsPreRenderViewForum)
plugins["socialgroups"].AddHook("simple_forum_check_pre_perms", socialgroupsForumCheck)
plugins["socialgroups"].AddHook("forum_check_pre_perms", socialgroupsForumCheck)
// TODO: Auto-grant this perm to admins upon installation?
registerPluginPerm("CreateSocialGroup")
router.HandleFunc("/groups/", socialgroupsGroupList)
router.HandleFunc("/group/", socialgroupsViewGroup)
router.HandleFunc("/group/create/", socialgroupsCreateGroup)
router.HandleFunc("/group/create/submit/", socialgroupsCreateGroupSubmit)
router.HandleFunc("/group/members/", socialgroupsMemberList)
socialgroupsListStmt, err = qgen.Builder.SimpleSelect("socialgroups", "sgid, name, desc, active, privacy, joinable, owner, memberCount, createdAt, lastUpdateTime", "", "", "")
if err != nil {
return err
}
socialgroupsGetGroupStmt, err = qgen.Builder.SimpleSelect("socialgroups", "name, desc, active, privacy, joinable, owner, memberCount, mainForum, backdrop, createdAt, lastUpdateTime", "sgid = ?", "", "")
if err != nil {
return err
}
socialgroupsMemberListStmt, err = qgen.Builder.SimpleSelect("socialgroups_members", "sgid, uid, rank, posts, joinedAt", "", "", "")
if err != nil {
return err
}
socialgroupsMemberListJoinStmt, err = qgen.Builder.SimpleLeftJoin("socialgroups_members", "users", "users.uid, socialgroups_members.rank, socialgroups_members.posts, socialgroups_members.joinedAt, users.name, users.avatar", "socialgroups_members.uid = users.uid", "socialgroups_members.sgid = ?", "socialgroups_members.rank DESC, socialgroups_members.joinedat ASC", "")
if err != nil {
return err
}
socialgroupsGetMemberStmt, err = qgen.Builder.SimpleSelect("socialgroups_members", "rank, posts, joinedAt", "sgid = ? AND uid = ?", "", "")
if err != nil {
return err
}
socialgroupsCreateGroupStmt, err = qgen.Builder.SimpleInsert("socialgroups", "name, desc, active, privacy, joinable, owner, memberCount, mainForum, backdrop, createdAt, lastUpdateTime", "?,?,?,?,1,?,1,?,'',UTC_TIMESTAMP(),UTC_TIMESTAMP()")
if err != nil {
return err
}
socialgroupsAttachForumStmt, err = qgen.Builder.SimpleUpdate("forums", "parentID = ?, parentType = 'socialgroup'", "fid = ?")
if err != nil {
return err
}
socialgroupsUnattachForumStmt, err = qgen.Builder.SimpleUpdate("forums", "parentID = 0, parentType = ''", "fid = ?")
if err != nil {
return err
}
socialgroupsAddMemberStmt, err = qgen.Builder.SimpleInsert("socialgroups_members", "sgid, uid, rank, posts, joinedAt", "?,?,?,0,UTC_TIMESTAMP()")
if err != nil {
return err
}
return nil
}
func deactivateSocialgroups() {
plugins["socialgroups"].RemoveHook("intercept_build_widgets", socialgroupsWidgets)
plugins["socialgroups"].RemoveHook("trow_assign", socialgroupsTrowAssign)
plugins["socialgroups"].RemoveHook("topic_create_pre_loop", socialgroupsTopicCreatePreLoop)
plugins["socialgroups"].RemoveHook("pre_render_view_forum", socialgroupsPreRenderViewForum)
plugins["socialgroups"].RemoveHook("simple_forum_check_pre_perms", socialgroupsForumCheck)
plugins["socialgroups"].RemoveHook("forum_check_pre_perms", socialgroupsForumCheck)
deregisterPluginPerm("CreateSocialGroup")
_ = router.RemoveFunc("/groups/")
_ = router.RemoveFunc("/group/")
_ = router.RemoveFunc("/group/create/")
_ = router.RemoveFunc("/group/create/submit/")
_ = socialgroupsListStmt.Close()
_ = socialgroupsMemberListStmt.Close()
_ = socialgroupsMemberListJoinStmt.Close()
_ = socialgroupsGetMemberStmt.Close()
_ = socialgroupsGetGroupStmt.Close()
_ = socialgroupsCreateGroupStmt.Close()
_ = socialgroupsAttachForumStmt.Close()
_ = socialgroupsUnattachForumStmt.Close()
_ = socialgroupsAddMemberStmt.Close()
}
// TODO: Stop accessing the query builder directly and add a feature in Gosora which is more easily reversed, if an error comes up during the installation process
func installSocialgroups() error {
sgTableStmt, err := qgen.Builder.CreateTable("socialgroups", "utf8mb4", "utf8mb4_general_ci",
[]qgen.DB_Table_Column{
qgen.DB_Table_Column{"sgid", "int", 0, false, true, ""},
qgen.DB_Table_Column{"name", "varchar", 100, false, false, ""},
qgen.DB_Table_Column{"desc", "varchar", 200, false, false, ""},
qgen.DB_Table_Column{"active", "boolean", 1, false, false, ""},
qgen.DB_Table_Column{"privacy", "smallint", 0, false, false, ""},
qgen.DB_Table_Column{"joinable", "smallint", 0, false, false, "0"},
qgen.DB_Table_Column{"owner", "int", 0, false, false, ""},
qgen.DB_Table_Column{"memberCount", "int", 0, false, false, ""},
qgen.DB_Table_Column{"mainForum", "int", 0, false, false, "0"}, // The board the user lands on when they click on a group, we'll make it possible for group admins to change what users land on
//qgen.DB_Table_Column{"boards","varchar",255,false,false,""}, // Cap the max number of boards at 8 to avoid overflowing the confines of a 64-bit integer?
qgen.DB_Table_Column{"backdrop", "varchar", 200, false, false, ""}, // File extension for the uploaded file, or an external link
qgen.DB_Table_Column{"createdAt", "createdAt", 0, false, false, ""},
qgen.DB_Table_Column{"lastUpdateTime", "datetime", 0, false, false, ""},
},
[]qgen.DB_Table_Key{
qgen.DB_Table_Key{"sgid", "primary"},
},
)
if err != nil {
return err
}
_, err = sgTableStmt.Exec()
if err != nil {
return err
}
sgMembersTableStmt, err := qgen.Builder.CreateTable("socialgroups_members", "", "",
[]qgen.DB_Table_Column{
qgen.DB_Table_Column{"sgid", "int", 0, false, false, ""},
qgen.DB_Table_Column{"uid", "int", 0, false, false, ""},
qgen.DB_Table_Column{"rank", "int", 0, false, false, "0"}, /* 0: Member. 1: Mod. 2: Admin. */
qgen.DB_Table_Column{"posts", "int", 0, false, false, "0"}, /* Per-Group post count. Should we do some sort of score system? */
qgen.DB_Table_Column{"joinedAt", "datetime", 0, false, false, ""},
},
[]qgen.DB_Table_Key{},
)
if err != nil {
return err
}
_, err = sgMembersTableStmt.Exec()
return err
}
// TO-DO; Implement an uninstallation system into Gosora. And a better installation system.
func uninstallSocialgroups() error {
return nil
}
// TODO: Do this properly via the widget system
func socialgroupsCommonAreaWidgets(headerVars *HeaderVars) {
// TODO: Hot Groups? Featured Groups? Official Groups?
var b bytes.Buffer
var menu = WidgetMenu{"Social Groups", []WidgetMenuItem{
WidgetMenuItem{"Create Group", "/group/create/", false},
}}
err := templates.ExecuteTemplate(&b, "widget_menu.html", menu)
if err != nil {
LogError(err)
return
}
if themes[headerVars.ThemeName].Sidebars == "left" {
headerVars.Widgets.LeftSidebar = template.HTML(string(b.Bytes()))
} else if themes[headerVars.ThemeName].Sidebars == "right" || themes[headerVars.ThemeName].Sidebars == "both" {
headerVars.Widgets.RightSidebar = template.HTML(string(b.Bytes()))
}
}
// TODO: Do this properly via the widget system
// TODO: Make a better more customisable group widget system
func socialgroupsGroupWidgets(headerVars *HeaderVars, sgItem *SocialGroup) (success bool) {
return false // Disabled until the next commit
/*var b bytes.Buffer
var menu WidgetMenu = WidgetMenu{"Group Options", []WidgetMenuItem{
WidgetMenuItem{"Join", "/group/join/" + strconv.Itoa(sgItem.ID), false},
WidgetMenuItem{"Members", "/group/members/" + strconv.Itoa(sgItem.ID), false},
}}
err := templates.ExecuteTemplate(&b, "widget_menu.html", menu)
if err != nil {
LogError(err)
return false
}
if themes[headerVars.ThemeName].Sidebars == "left" {
headerVars.Widgets.LeftSidebar = template.HTML(string(b.Bytes()))
} else if themes[headerVars.ThemeName].Sidebars == "right" || themes[headerVars.ThemeName].Sidebars == "both" {
headerVars.Widgets.RightSidebar = template.HTML(string(b.Bytes()))
} else {
return false
}
return true*/
}
/*
Custom Pages
*/
func socialgroupsGroupList(w http.ResponseWriter, r *http.Request, user User) {
headerVars, ok := UserCheck(w, r, &user)
if !ok {
return
}
socialgroupsCommonAreaWidgets(headerVars)
rows, err := socialgroupsListStmt.Query()
if err != nil && err != ErrNoRows {
InternalError(err, w)
return
}
var sgList []*SocialGroup
for rows.Next() {
sgItem := &SocialGroup{ID: 0}
err := rows.Scan(&sgItem.ID, &sgItem.Name, &sgItem.Desc, &sgItem.Active, &sgItem.Privacy, &sgItem.Joinable, &sgItem.Owner, &sgItem.MemberCount, &sgItem.CreatedAt, &sgItem.LastUpdateTime)
if err != nil {
InternalError(err, w)
return
}
sgItem.Link = socialgroupsBuildGroupURL(nameToSlug(sgItem.Name), sgItem.ID)
sgList = append(sgList, sgItem)
}
err = rows.Err()
if err != nil {
InternalError(err, w)
return
}
rows.Close()
pi := SocialGroupListPage{"Group List", user, headerVars, sgList}
err = templates.ExecuteTemplate(w, "socialgroups_group_list.html", pi)
if err != nil {
InternalError(err, w)
}
}
func socialgroupsGetGroup(sgid int) (sgItem *SocialGroup, err error) {
sgItem = &SocialGroup{ID: sgid}
err = socialgroupsGetGroupStmt.QueryRow(sgid).Scan(&sgItem.Name, &sgItem.Desc, &sgItem.Active, &sgItem.Privacy, &sgItem.Joinable, &sgItem.Owner, &sgItem.MemberCount, &sgItem.MainForumID, &sgItem.Backdrop, &sgItem.CreatedAt, &sgItem.LastUpdateTime)
return sgItem, err
}
func socialgroupsViewGroup(w http.ResponseWriter, r *http.Request, user User) {
// SEO URLs...
halves := strings.Split(r.URL.Path[len("/group/"):], ".")
if len(halves) < 2 {
halves = append(halves, halves[0])
}
sgid, err := strconv.Atoi(halves[1])
if err != nil {
PreError("Not a valid group ID", w, r)
return
}
sgItem, err := socialgroupsGetGroup(sgid)
if err != nil {
LocalError("Bad group", w, r, user)
return
}
if !sgItem.Active {
NotFound(w, r)
}
// Re-route the request to routeForums
var ctx = context.WithValue(r.Context(), "socialgroups_current_group", sgItem)
routeForum(w, r.WithContext(ctx), user, strconv.Itoa(sgItem.MainForumID))
}
func socialgroupsCreateGroup(w http.ResponseWriter, r *http.Request, user User) {
headerVars, ok := UserCheck(w, r, &user)
if !ok {
return
}
// TODO: Add an approval queue mode for group creation
if !user.Loggedin || !user.PluginPerms["CreateSocialGroup"] {
NoPermissions(w, r, user)
return
}
socialgroupsCommonAreaWidgets(headerVars)
pi := Page{"Create Group", user, headerVars, tList, nil}
err := templates.ExecuteTemplate(w, "socialgroups_create_group.html", pi)
if err != nil {
InternalError(err, w)
}
}
func socialgroupsCreateGroupSubmit(w http.ResponseWriter, r *http.Request, user User) {
// TODO: Add an approval queue mode for group creation
if !user.Loggedin || !user.PluginPerms["CreateSocialGroup"] {
NoPermissions(w, r, user)
return
}
var groupActive = true
var groupName = html.EscapeString(r.PostFormValue("group_name"))
var groupDesc = html.EscapeString(r.PostFormValue("group_desc"))
var gprivacy = r.PostFormValue("group_privacy")
var groupPrivacy int
switch gprivacy {
case "0":
groupPrivacy = 0 // Public
case "1":
groupPrivacy = 1 // Protected
case "2":
groupPrivacy = 2 // private
default:
groupPrivacy = 0
}
// Create the backing forum
fid, err := fstore.Create(groupName, "", true, "")
if err != nil {
InternalError(err, w)
return
}
res, err := socialgroupsCreateGroupStmt.Exec(groupName, groupDesc, groupActive, groupPrivacy, user.ID, fid)
if err != nil {
InternalError(err, w)
return
}
lastID, err := res.LastInsertId()
if err != nil {
InternalError(err, w)
return
}
// Add the main backing forum to the forum list
err = socialgroupsAttachForum(int(lastID), fid)
if err != nil {
InternalError(err, w)
return
}
_, err = socialgroupsAddMemberStmt.Exec(lastID, user.ID, 2)
if err != nil {
InternalError(err, w)
return
}
http.Redirect(w, r, socialgroupsBuildGroupURL(nameToSlug(groupName), int(lastID)), http.StatusSeeOther)
}
func socialgroupsMemberList(w http.ResponseWriter, r *http.Request, user User) {
headerVars, ok := UserCheck(w, r, &user)
if !ok {
return
}
// SEO URLs...
halves := strings.Split(r.URL.Path[len("/group/members/"):], ".")
if len(halves) < 2 {
halves = append(halves, halves[0])
}
sgid, err := strconv.Atoi(halves[1])
if err != nil {
PreError("Not a valid group ID", w, r)
return
}
var sgItem = &SocialGroup{ID: sgid}
var mainForum int // Unused
err = socialgroupsGetGroupStmt.QueryRow(sgid).Scan(&sgItem.Name, &sgItem.Desc, &sgItem.Active, &sgItem.Privacy, &sgItem.Joinable, &sgItem.Owner, &sgItem.MemberCount, &mainForum, &sgItem.Backdrop, &sgItem.CreatedAt, &sgItem.LastUpdateTime)
if err != nil {
LocalError("Bad group", w, r, user)
return
}
sgItem.Link = socialgroupsBuildGroupURL(nameToSlug(sgItem.Name), sgItem.ID)
socialgroupsGroupWidgets(headerVars, sgItem)
rows, err := socialgroupsMemberListJoinStmt.Query(sgid)
if err != nil && err != ErrNoRows {
InternalError(err, w)
return
}
var sgMembers []SocialGroupMember
for rows.Next() {
sgMember := SocialGroupMember{PostCount: 0}
err := rows.Scan(&sgMember.User.ID, &sgMember.Rank, &sgMember.PostCount, &sgMember.JoinedAt, &sgMember.User.Name, &sgMember.User.Avatar)
if err != nil {
InternalError(err, w)
return
}
sgMember.Link = buildProfileURL(nameToSlug(sgMember.User.Name), sgMember.User.ID)
if sgMember.User.Avatar != "" {
if sgMember.User.Avatar[0] == '.' {
sgMember.User.Avatar = "/uploads/avatar_" + strconv.Itoa(sgMember.User.ID) + sgMember.User.Avatar
}
} else {
sgMember.User.Avatar = strings.Replace(config.Noavatar, "{id}", strconv.Itoa(sgMember.User.ID), 1)
}
sgMember.JoinedAt, _ = relativeTime(sgMember.JoinedAt)
if sgItem.Owner == sgMember.User.ID {
sgMember.RankString = "Owner"
} else {
switch sgMember.Rank {
case 0:
sgMember.RankString = "Member"
case 1:
sgMember.RankString = "Mod"
case 2:
sgMember.RankString = "Admin"
}
}
sgMembers = append(sgMembers, sgMember)
}
err = rows.Err()
if err != nil {
InternalError(err, w)
return
}
rows.Close()
pi := SocialGroupMemberListPage{"Group Member List", user, headerVars, sgMembers, sgItem, 0, 0}
// A plugin with plugins. Pluginception!
if preRenderHooks["pre_render_socialgroups_member_list"] != nil {
if runPreRenderHook("pre_render_socialgroups_member_list", w, r, &user, &pi) {
return
}
}
err = templates.ExecuteTemplate(w, "socialgroups_member_list.html", pi)
if err != nil {
InternalError(err, w)
}
}
func socialgroupsAttachForum(sgid int, fid int) error {
_, err := socialgroupsAttachForumStmt.Exec(sgid, fid)
return err
}
func socialgroupsUnattachForum(fid int) error {
_, err := socialgroupsAttachForumStmt.Exec(fid)
return err
}
func socialgroupsBuildGroupURL(slug string, id int) string {
if slug == "" {
return "/group/" + slug + "." + strconv.Itoa(id)
}
return "/group/" + strconv.Itoa(id)
}
/*
Hooks
*/
func socialgroupsPreRenderViewForum(w http.ResponseWriter, r *http.Request, user *User, data interface{}) (halt bool) {
pi := data.(*ForumPage)
if pi.Header.ExtData.items != nil {
if sgData, ok := pi.Header.ExtData.items["socialgroups_current_group"]; ok {
sgItem := sgData.(*SocialGroup)
sgpi := SocialGroupPage{pi.Title, pi.CurrentUser, pi.Header, pi.ItemList, pi.Forum, sgItem, pi.Page, pi.LastPage}
err := templates.ExecuteTemplate(w, "socialgroups_view_group.html", sgpi)
if err != nil {
LogError(err)
return false
}
return true
}
}
return false
}
func socialgroupsTrowAssign(args ...interface{}) interface{} {
var forum = args[1].(*Forum)
if forum.ParentType == "socialgroup" {
var topicItem = args[0].(*TopicsRow)
topicItem.ForumLink = "/group/" + strings.TrimPrefix(topicItem.ForumLink, getForumURLPrefix())
}
return nil
}
// TODO: It would be nice, if you could select one of the boards in the group from that drop-down rather than just the one you got linked from
func socialgroupsTopicCreatePreLoop(args ...interface{}) interface{} {
var fid = args[2].(int)
if fstore.DirtyGet(fid).ParentType == "socialgroup" {
var strictmode = args[5].(*bool)
*strictmode = true
}
return nil
}
// TODO: Add privacy options
// TODO: Add support for multiple boards and add per-board simplified permissions
// TODO: Take isJs into account for routes which expect JSON responses
func socialgroupsForumCheck(args ...interface{}) (skip interface{}) {
var r = args[1].(*http.Request)
var fid = args[3].(*int)
var forum = fstore.DirtyGet(*fid)
if forum.ParentType == "socialgroup" {
var err error
var w = args[0].(http.ResponseWriter)
var success = args[4].(*bool)
sgItem, ok := r.Context().Value("socialgroups_current_group").(*SocialGroup)
if !ok {
sgItem, err = socialgroupsGetGroup(forum.ParentID)
if err != nil {
InternalError(errors.New("Unable to find the parent group for a forum"), w)
*success = false
return false
}
if !sgItem.Active {
NotFound(w, r)
*success = false
return false
}
r = r.WithContext(context.WithValue(r.Context(), "socialgroups_current_group", sgItem))
}
var user = args[2].(*User)
var rank int
var posts int
var joinedAt string
// TODO: Group privacy settings. For now, groups are all globally visible
// Clear the default group permissions
// TODO: Do this more efficiently, doing it quick and dirty for now to get this out quickly
overrideForumPerms(&user.Perms, false)
user.Perms.ViewTopic = true
err = socialgroupsGetMemberStmt.QueryRow(sgItem.ID, user.ID).Scan(&rank, &posts, &joinedAt)
if err != nil && err != ErrNoRows {
*success = false
InternalError(err, w)
return false
} else if err != nil {
return true
}
// TODO: Implement bans properly by adding the Local Ban API in the next commit
if rank < 0 {
return true
}
// Basic permissions for members, more complicated permissions coming in the next commit!
if sgItem.Owner == user.ID {
overrideForumPerms(&user.Perms, true)
} else if rank == 0 {
user.Perms.LikeItem = true
user.Perms.CreateTopic = true
user.Perms.CreateReply = true
} else {
overrideForumPerms(&user.Perms, true)
}
return true
}
return false
}
// TODO: Override redirects? I don't think this is needed quite yet
func socialgroupsWidgets(args ...interface{}) interface{} {
var zone = args[0].(string)
var headerVars = args[2].(*HeaderVars)
var request = args[3].(*http.Request)
if zone != "view_forum" {
return false
}
var forum = args[1].(*Forum)
if forum.ParentType == "socialgroup" {
// This is why I hate using contexts, all the daisy chains and interface casts x.x
sgItem, ok := request.Context().Value("socialgroups_current_group").(*SocialGroup)
if !ok {
LogError(errors.New("Unable to find a parent group in the context data"))
return false
}
if headerVars.ExtData.items == nil {
headerVars.ExtData.items = make(map[string]interface{})
}
headerVars.ExtData.items["socialgroups_current_group"] = sgItem
return socialgroupsGroupWidgets(headerVars, sgItem)
}
return false
}