gosora/extend/guilds/lib/guilds.go

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package guilds
import (
"bytes"
"context"
"database/sql"
"errors"
"html"
"html/template"
"net/http"
"strconv"
"strings"
"../../../common"
)
// A blank list to fill out that parameter in Page for routes which don't use it
var tList []interface{}
var ListStmt *sql.Stmt
var MemberListStmt *sql.Stmt
var MemberListJoinStmt *sql.Stmt
var GetMemberStmt *sql.Stmt
var GetGuildStmt *sql.Stmt
var CreateGuildStmt *sql.Stmt
var AttachForumStmt *sql.Stmt
var UnattachForumStmt *sql.Stmt
var AddMemberStmt *sql.Stmt
// Guild is a struct representing a guild
type Guild 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 *common.Forum
Forums []*common.Forum
ExtData common.ExtData
}
type Page struct {
Title string
CurrentUser common.User
Header *common.HeaderVars
ItemList []*common.TopicsRow
Forum *common.Forum
Guild *Guild
Page int
LastPage int
}
// ListPage is a page struct for constructing a list of every guild
type ListPage struct {
Title string
CurrentUser common.User
Header *common.HeaderVars
GuildList []*Guild
}
type MemberListPage struct {
Title string
CurrentUser common.User
Header *common.HeaderVars
ItemList []Member
Guild *Guild
Page int
LastPage int
}
// Member is a struct representing a specific member of a guild, not to be confused with the global User struct.
type Member 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 common.User
}
func PrebuildTmplList(user common.User, headerVars *common.HeaderVars) common.CTmpl {
var guildList = []*Guild{
&Guild{
ID: 1,
Name: "lol",
Link: BuildGuildURL(common.NameToSlug("lol"), 1),
Desc: "A group for people who like to laugh",
Active: true,
MemberCount: 1,
Owner: 1,
CreatedAt: "date",
LastUpdateTime: "date",
MainForumID: 1,
MainForum: common.Fstore.DirtyGet(1),
Forums: []*common.Forum{common.Fstore.DirtyGet(1)},
},
}
listPage := ListPage{"Guild List", user, headerVars, guildList}
return common.CTmpl{"guilds_guild_list", "guilds_guild_list.html", "templates/", "guilds.ListPage", listPage}
}
// TODO: Do this properly via the widget system
func CommonAreaWidgets(headerVars *common.HeaderVars) {
// TODO: Hot Groups? Featured Groups? Official Groups?
var b bytes.Buffer
var menu = common.WidgetMenu{"Guilds", []common.WidgetMenuItem{
common.WidgetMenuItem{"Create Guild", "/guild/create/", false},
}}
err := common.Templates.ExecuteTemplate(&b, "widget_menu.html", menu)
if err != nil {
common.LogError(err)
return
}
if common.Themes[headerVars.ThemeName].Sidebars == "left" {
headerVars.Widgets.LeftSidebar = template.HTML(string(b.Bytes()))
} else if common.Themes[headerVars.ThemeName].Sidebars == "right" || common.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 GuildWidgets(headerVars *common.HeaderVars, guildItem *Guild) (success bool) {
return false // Disabled until the next commit
/*var b bytes.Buffer
var menu WidgetMenu = WidgetMenu{"Guild Options", []WidgetMenuItem{
WidgetMenuItem{"Join", "/guild/join/" + strconv.Itoa(guildItem.ID), false},
WidgetMenuItem{"Members", "/guild/members/" + strconv.Itoa(guildItem.ID), false},
}}
err := templates.ExecuteTemplate(&b, "widget_menu.html", menu)
if err != nil {
common.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 RouteGuildList(w http.ResponseWriter, r *http.Request, user common.User) common.RouteError {
headerVars, ferr := common.UserCheck(w, r, &user)
if ferr != nil {
return ferr
}
CommonAreaWidgets(headerVars)
rows, err := ListStmt.Query()
if err != nil && err != common.ErrNoRows {
return common.InternalError(err, w, r)
}
defer rows.Close()
var guildList []*Guild
for rows.Next() {
guildItem := &Guild{ID: 0}
err := rows.Scan(&guildItem.ID, &guildItem.Name, &guildItem.Desc, &guildItem.Active, &guildItem.Privacy, &guildItem.Joinable, &guildItem.Owner, &guildItem.MemberCount, &guildItem.CreatedAt, &guildItem.LastUpdateTime)
if err != nil {
return common.InternalError(err, w, r)
}
guildItem.Link = BuildGuildURL(common.NameToSlug(guildItem.Name), guildItem.ID)
guildList = append(guildList, guildItem)
}
err = rows.Err()
if err != nil {
return common.InternalError(err, w, r)
}
pi := ListPage{"Guild List", user, headerVars, guildList}
err = common.RunThemeTemplate(headerVars.ThemeName, "guilds_guild_list", pi, w)
if err != nil {
return common.InternalError(err, w, r)
}
return nil
}
func GetGuild(guildID int) (guildItem *Guild, err error) {
guildItem = &Guild{ID: guildID}
err = GetGuildStmt.QueryRow(guildID).Scan(&guildItem.Name, &guildItem.Desc, &guildItem.Active, &guildItem.Privacy, &guildItem.Joinable, &guildItem.Owner, &guildItem.MemberCount, &guildItem.MainForumID, &guildItem.Backdrop, &guildItem.CreatedAt, &guildItem.LastUpdateTime)
return guildItem, err
}
func MiddleViewGuild(w http.ResponseWriter, r *http.Request, user common.User) common.RouteError {
// SEO URLs...
halves := strings.Split(r.URL.Path[len("/guild/"):], ".")
if len(halves) < 2 {
halves = append(halves, halves[0])
}
guildID, err := strconv.Atoi(halves[1])
if err != nil {
return common.PreError("Not a valid guild ID", w, r)
}
guildItem, err := GetGuild(guildID)
if err != nil {
return common.LocalError("Bad guild", w, r, user)
}
if !guildItem.Active {
return common.NotFound(w, r)
}
return nil
// TODO: Re-implement this
// Re-route the request to routeForums
//var ctx = context.WithValue(r.Context(), "guilds_current_guild", guildItem)
//return routeForum(w, r.WithContext(ctx), user, strconv.Itoa(guildItem.MainForumID))
}
func RouteCreateGuild(w http.ResponseWriter, r *http.Request, user common.User) common.RouteError {
headerVars, ferr := common.UserCheck(w, r, &user)
if ferr != nil {
return ferr
}
// TODO: Add an approval queue mode for group creation
if !user.Loggedin || !user.PluginPerms["CreateGuild"] {
return common.NoPermissions(w, r, user)
}
CommonAreaWidgets(headerVars)
pi := common.Page{"Create Guild", user, headerVars, tList, nil}
err := common.Templates.ExecuteTemplate(w, "guilds_create_guild.html", pi)
if err != nil {
return common.InternalError(err, w, r)
}
return nil
}
func RouteCreateGuildSubmit(w http.ResponseWriter, r *http.Request, user common.User) common.RouteError {
// TODO: Add an approval queue mode for group creation
if !user.Loggedin || !user.PluginPerms["CreateGuild"] {
return common.NoPermissions(w, r, user)
}
var guildActive = true
var guildName = html.EscapeString(r.PostFormValue("group_name"))
var guildDesc = html.EscapeString(r.PostFormValue("group_desc"))
var gprivacy = r.PostFormValue("group_privacy")
var guildPrivacy int
switch gprivacy {
case "0":
guildPrivacy = 0 // Public
case "1":
guildPrivacy = 1 // Protected
case "2":
guildPrivacy = 2 // private
default:
guildPrivacy = 0
}
// Create the backing forum
fid, err := common.Fstore.Create(guildName, "", true, "")
if err != nil {
return common.InternalError(err, w, r)
}
res, err := CreateGuildStmt.Exec(guildName, guildDesc, guildActive, guildPrivacy, user.ID, fid)
if err != nil {
return common.InternalError(err, w, r)
}
lastID, err := res.LastInsertId()
if err != nil {
return common.InternalError(err, w, r)
}
// Add the main backing forum to the forum list
err = AttachForum(int(lastID), fid)
if err != nil {
return common.InternalError(err, w, r)
}
_, err = AddMemberStmt.Exec(lastID, user.ID, 2)
if err != nil {
return common.InternalError(err, w, r)
}
http.Redirect(w, r, BuildGuildURL(common.NameToSlug(guildName), int(lastID)), http.StatusSeeOther)
return nil
}
func RouteMemberList(w http.ResponseWriter, r *http.Request, user common.User) common.RouteError {
headerVars, ferr := common.UserCheck(w, r, &user)
if ferr != nil {
return ferr
}
// SEO URLs...
halves := strings.Split(r.URL.Path[len("/guild/members/"):], ".")
if len(halves) < 2 {
halves = append(halves, halves[0])
}
guildID, err := strconv.Atoi(halves[1])
if err != nil {
return common.PreError("Not a valid group ID", w, r)
}
var guildItem = &Guild{ID: guildID}
var mainForum int // Unused
err = GetGuildStmt.QueryRow(guildID).Scan(&guildItem.Name, &guildItem.Desc, &guildItem.Active, &guildItem.Privacy, &guildItem.Joinable, &guildItem.Owner, &guildItem.MemberCount, &mainForum, &guildItem.Backdrop, &guildItem.CreatedAt, &guildItem.LastUpdateTime)
if err != nil {
return common.LocalError("Bad group", w, r, user)
}
guildItem.Link = BuildGuildURL(common.NameToSlug(guildItem.Name), guildItem.ID)
GuildWidgets(headerVars, guildItem)
rows, err := MemberListJoinStmt.Query(guildID)
if err != nil && err != common.ErrNoRows {
return common.InternalError(err, w, r)
}
var guildMembers []Member
for rows.Next() {
guildMember := Member{PostCount: 0}
err := rows.Scan(&guildMember.User.ID, &guildMember.Rank, &guildMember.PostCount, &guildMember.JoinedAt, &guildMember.User.Name, &guildMember.User.Avatar)
if err != nil {
return common.InternalError(err, w, r)
}
guildMember.Link = common.BuildProfileURL(common.NameToSlug(guildMember.User.Name), guildMember.User.ID)
if guildMember.User.Avatar != "" {
if guildMember.User.Avatar[0] == '.' {
guildMember.User.Avatar = "/uploads/avatar_" + strconv.Itoa(guildMember.User.ID) + guildMember.User.Avatar
}
} else {
guildMember.User.Avatar = strings.Replace(common.Config.Noavatar, "{id}", strconv.Itoa(guildMember.User.ID), 1)
}
guildMember.JoinedAt, _ = common.RelativeTimeFromString(guildMember.JoinedAt)
if guildItem.Owner == guildMember.User.ID {
guildMember.RankString = "Owner"
} else {
switch guildMember.Rank {
case 0:
guildMember.RankString = "Member"
case 1:
guildMember.RankString = "Mod"
case 2:
guildMember.RankString = "Admin"
}
}
guildMembers = append(guildMembers, guildMember)
}
err = rows.Err()
if err != nil {
return common.InternalError(err, w, r)
}
rows.Close()
pi := MemberListPage{"Guild Member List", user, headerVars, guildMembers, guildItem, 0, 0}
// A plugin with plugins. Pluginception!
if common.PreRenderHooks["pre_render_guilds_member_list"] != nil {
if common.RunPreRenderHook("pre_render_guilds_member_list", w, r, &user, &pi) {
return nil
}
}
err = common.RunThemeTemplate(headerVars.ThemeName, "guilds_member_list", pi, w)
if err != nil {
return common.InternalError(err, w, r)
}
return nil
}
func AttachForum(guildID int, fid int) error {
_, err := AttachForumStmt.Exec(guildID, fid)
return err
}
func UnattachForum(fid int) error {
_, err := AttachForumStmt.Exec(fid)
return err
}
func BuildGuildURL(slug string, id int) string {
if slug == "" {
return "/guild/" + slug + "." + strconv.Itoa(id)
}
return "/guild/" + strconv.Itoa(id)
}
/*
Hooks
*/
// TODO: Prebuild this template
func PreRenderViewForum(w http.ResponseWriter, r *http.Request, user *common.User, data interface{}) (halt bool) {
pi := data.(*common.ForumPage)
if pi.Header.ExtData.Items != nil {
if guildData, ok := pi.Header.ExtData.Items["guilds_current_group"]; ok {
guildItem := guildData.(*Guild)
guildpi := Page{pi.Title, pi.CurrentUser, pi.Header, pi.ItemList, pi.Forum, guildItem, pi.Page, pi.LastPage}
err := common.Templates.ExecuteTemplate(w, "guilds_view_guild.html", guildpi)
if err != nil {
common.LogError(err)
return false
}
return true
}
}
return false
}
func TrowAssign(args ...interface{}) interface{} {
var forum = args[1].(*common.Forum)
if forum.ParentType == "guild" {
var topicItem = args[0].(*common.TopicsRow)
topicItem.ForumLink = "/guild/" + strings.TrimPrefix(topicItem.ForumLink, common.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 TopicCreatePreLoop(args ...interface{}) interface{} {
var fid = args[2].(int)
if common.Fstore.DirtyGet(fid).ParentType == "guild" {
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 ForumCheck(args ...interface{}) (skip bool, rerr common.RouteError) {
var r = args[1].(*http.Request)
var fid = args[3].(*int)
var forum = common.Fstore.DirtyGet(*fid)
if forum.ParentType == "guild" {
var err error
var w = args[0].(http.ResponseWriter)
guildItem, ok := r.Context().Value("guilds_current_group").(*Guild)
if !ok {
guildItem, err = GetGuild(forum.ParentID)
if err != nil {
return true, common.InternalError(errors.New("Unable to find the parent group for a forum"), w, r)
}
if !guildItem.Active {
return true, common.NotFound(w, r)
}
r = r.WithContext(context.WithValue(r.Context(), "guilds_current_group", guildItem))
}
var user = args[2].(*common.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
common.OverrideForumPerms(&user.Perms, false)
user.Perms.ViewTopic = true
err = GetMemberStmt.QueryRow(guildItem.ID, user.ID).Scan(&rank, &posts, &joinedAt)
if err != nil && err != common.ErrNoRows {
return true, common.InternalError(err, w, r)
} else if err != nil {
// TODO: Should we let admins / guests into public groups?
return true, common.LocalError("You're not part of this group!", w, r, *user)
}
// TODO: Implement bans properly by adding the Local Ban API in the next commit
// TODO: How does this even work? Refactor it along with the rest of this plugin!
if rank < 0 {
return true, common.LocalError("You've been banned from this group!", w, r, *user)
}
// Basic permissions for members, more complicated permissions coming in the next commit!
if guildItem.Owner == user.ID {
common.OverrideForumPerms(&user.Perms, true)
} else if rank == 0 {
user.Perms.LikeItem = true
user.Perms.CreateTopic = true
user.Perms.CreateReply = true
} else {
common.OverrideForumPerms(&user.Perms, true)
}
return true, nil
}
return false, nil
}
// TODO: Override redirects? I don't think this is needed quite yet
func Widgets(args ...interface{}) interface{} {
var zone = args[0].(string)
var headerVars = args[2].(*common.HeaderVars)
var request = args[3].(*http.Request)
if zone != "view_forum" {
return false
}
var forum = args[1].(*common.Forum)
if forum.ParentType == "guild" {
// This is why I hate using contexts, all the daisy chains and interface casts x.x
guildItem, ok := request.Context().Value("guilds_current_group").(*Guild)
if !ok {
common.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["guilds_current_group"] = guildItem
return GuildWidgets(headerVars, guildItem)
}
return false
}