func (con Feed) Handler(c context.Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var err error
db := readeef.GetDB(c)
user := readeef.GetUser(c, r)
action := webfw.GetMultiPatternIdentifier(c, r)
params := webfw.GetParams(c, r)
resp := make(map[string]interface{})
SWITCH:
switch action {
case "list":
var feeds []readeef.Feed
feeds, err = db.GetUserTagsFeeds(user)
if err != nil {
break
}
respFeeds := []feed{}
for _, f := range feeds {
respFeeds = append(respFeeds, feed{
Id: f.Id, Title: f.Title, Description: f.Description,
Link: f.Link, Image: f.Image, Tags: f.Tags,
UpdateError: f.UpdateError, SubscribeError: f.SubscribeError,
})
}
resp["Feeds"] = respFeeds
case "discover":
r.ParseForm()
link := r.FormValue("url")
var u *url.URL
/* TODO: non-fatal error */
if u, err = url.Parse(link); err != nil {
break
/* TODO: non-fatal error */
} else if !u.IsAbs() {
u.Scheme = "http"
if u.Host == "" {
parts := strings.SplitN(u.Path, "/", 2)
u.Host = parts[0]
if len(parts) > 1 {
u.Path = "/" + parts[1]
} else {
u.Path = ""
}
}
link = u.String()
}
var feeds []readeef.Feed
feeds, err = con.fm.DiscoverFeeds(link)
if err != nil {
break
}
var userFeeds []readeef.Feed
userFeeds, err = db.GetUserFeeds(user)
if err != nil {
break
}
userFeedIdMap := make(map[int64]bool)
userFeedLinkMap := make(map[string]bool)
for _, f := range userFeeds {
userFeedIdMap[f.Id] = true
userFeedLinkMap[f.Link] = true
u, err := url.Parse(f.Link)
if err == nil && strings.HasPrefix(u.Host, "www.") {
u.Host = u.Host[4:]
userFeedLinkMap[u.String()] = true
}
}
respFeeds := []feed{}
for _, f := range feeds {
if !userFeedIdMap[f.Id] && !userFeedLinkMap[f.Link] {
respFeeds = append(respFeeds, feed{
Id: f.Id, Title: f.Title, Description: f.Description,
Link: f.Link, Image: f.Image,
})
}
}
resp["Feeds"] = respFeeds
case "opml":
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
buf.ReadFrom(r.Body)
var opml parser.Opml
opml, err = parser.ParseOpml(buf.Bytes())
if err != nil {
break
}
var userFeeds []readeef.Feed
userFeeds, err = db.GetUserFeeds(user)
if err != nil {
break
}
userFeedMap := make(map[int64]bool)
for _, f := range userFeeds {
userFeedMap[f.Id] = true
}
var feeds []readeef.Feed
for _, opmlFeed := range opml.Feeds {
var discovered []readeef.Feed
discovered, err = con.fm.DiscoverFeeds(opmlFeed.Url)
if err != nil {
continue
}
for _, f := range discovered {
if !userFeedMap[f.Id] {
if len(opmlFeed.Tags) > 0 {
f.Link += "#" + strings.Join(opmlFeed.Tags, ",")
}
feeds = append(feeds, f)
}
}
}
respFeeds := []feed{}
for _, f := range feeds {
respFeeds = append(respFeeds, feed{
Id: f.Id, Title: f.Title, Description: f.Description,
Link: f.Link, Image: f.Image,
})
}
resp["Feeds"] = respFeeds
case "add":
r.ParseForm()
links := r.Form["url"]
success := false
for _, link := range links {
/* TODO: non-fatal error */
var u *url.URL
if u, err = url.Parse(link); err != nil {
break SWITCH
/* TODO: non-fatal error */
} else if !u.IsAbs() {
err = errors.New("Feed has no link")
break SWITCH
}
var f readeef.Feed
f, err = con.fm.AddFeedByLink(link)
if err != nil {
break SWITCH
}
f, err = db.CreateUserFeed(readeef.GetUser(c, r), f)
if err != nil {
break SWITCH
}
tags := strings.SplitN(u.Fragment, ",", -1)
if u.Fragment != "" && len(tags) > 0 {
err = db.CreateUserFeedTag(f, tags...)
}
success = true
}
resp["Success"] = success
case "remove":
var id int64
id, err = strconv.ParseInt(params["feed-id"], 10, 64)
/* TODO: non-fatal error */
if err != nil {
break
}
var feed readeef.Feed
feed, err = db.GetUserFeed(id, user)
/* TODO: non-fatal error */
if err != nil {
break
}
err = db.DeleteUserFeed(feed)
/* TODO: non-fatal error */
if err != nil {
break
}
con.fm.RemoveFeed(feed)
resp["Success"] = true
case "tags":
var id int64
id, err = strconv.ParseInt(params["feed-id"], 10, 64)
/* TODO: non-fatal error */
if err != nil {
break
}
var feed readeef.Feed
feed, err = db.GetUserFeed(id, user)
/* TODO: non-fatal error */
if err != nil {
break
}
if r.Method == "GET" {
resp["Tags"] = feed.Tags
} else if r.Method == "POST" {
var tags []string
tags, err = db.GetUserFeedTags(user, feed)
if err != nil {
break
}
err = db.DeleteUserFeedTag(feed, tags...)
if err != nil {
break
}
decoder := json.NewDecoder(r.Body)
tags = []string{}
err = decoder.Decode(&tags)
if err != nil {
break
}
err = db.CreateUserFeedTag(feed, tags...)
if err != nil {
break
}
resp["Success"] = true
resp["Id"] = feed.Id
}
case "read":
feedId := params["feed-id"]
timestamp := params["timestamp"]
var seconds int64
seconds, err = strconv.ParseInt(timestamp, 10, 64)
/* TODO: non-fatal error */
if err != nil {
break
}
t := time.Unix(seconds/1000, 0)
switch {
case feedId == "tag:__all__":
err = db.MarkUserArticlesByDateAsRead(user, t, true)
case feedId == "__favorite__":
// Favorites are assumbed to have been read already
case strings.HasPrefix(feedId, "tag:"):
tag := feedId[4:]
err = db.MarkUserTagArticlesByDateAsRead(user, tag, t, true)
default:
var id int64
id, err = strconv.ParseInt(feedId, 10, 64)
/* TODO: non-fatal error */
if err != nil {
break SWITCH
}
var feed readeef.Feed
feed, err = db.GetUserFeed(id, user)
/* TODO: non-fatal error */
if err != nil {
break SWITCH
}
err = db.MarkFeedArticlesByDateAsRead(feed, t, true)
}
if err == nil {
resp["Success"] = true
}
case "articles":
var articles []readeef.Article
var limit, offset int
feedId := params["feed-id"]
limit, err = strconv.Atoi(params["limit"])
/* TODO: non-fatal error */
if err != nil {
break
}
offset, err = strconv.Atoi(params["offset"])
/* TODO: non-fatal error */
if err != nil {
break
}
newerFirst := params["newer-first"] == "true"
unreadOnly := params["unread-only"] == "true"
if limit > 50 {
limit = 50
}
if feedId == "__favorite__" {
if newerFirst {
articles, err = db.GetUserFavoriteArticlesDesc(user, limit, offset)
} else {
articles, err = db.GetUserFavoriteArticles(user, limit, offset)
}
if err != nil {
break
}
} else if feedId == "tag:__all__" {
if newerFirst {
if unreadOnly {
articles, err = db.GetUnreadUserArticlesDesc(user, limit, offset)
} else {
articles, err = db.GetUserArticlesDesc(user, limit, offset)
}
} else {
if unreadOnly {
articles, err = db.GetUnreadUserArticles(user, limit, offset)
} else {
articles, err = db.GetUserArticles(user, limit, offset)
}
}
if err != nil {
break
}
} else if strings.HasPrefix(feedId, "tag:") {
tag := feedId[4:]
if newerFirst {
if unreadOnly {
articles, err = db.GetUnreadUserTagArticlesDesc(user, tag, limit, offset)
} else {
articles, err = db.GetUserTagArticlesDesc(user, tag, limit, offset)
}
} else {
if unreadOnly {
articles, err = db.GetUnreadUserTagArticles(user, tag, limit, offset)
} else {
articles, err = db.GetUserTagArticles(user, tag, limit, offset)
}
}
if err != nil {
break
}
} else {
var f readeef.Feed
var id int64
id, err = strconv.ParseInt(feedId, 10, 64)
if err != nil {
err = errors.New("Unknown feed id " + feedId)
break
}
f, err = db.GetFeed(id)
/* TODO: non-fatal error */
if err != nil {
break
}
f.User = user
if newerFirst {
if unreadOnly {
f, err = db.GetUnreadFeedArticlesDesc(f, limit, offset)
} else {
f, err = db.GetFeedArticlesDesc(f, limit, offset)
}
} else {
if unreadOnly {
f, err = db.GetUnreadFeedArticles(f, limit, offset)
} else {
f, err = db.GetFeedArticles(f, limit, offset)
}
}
if err != nil {
break
}
articles = f.Articles
}
resp["Articles"] = articles
}
var b []byte
if err == nil {
b, err = json.Marshal(resp)
}
if err == nil {
w.Write(b)
} else {
webfw.GetLogger(c).Print(err)
w.WriteHeader(http.StatusInternalServerError)
}
}
}
func (con UserSettings) Handler(c context.Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var err error
db := readeef.GetDB(c)
user := readeef.GetUser(c, r)
params := webfw.GetParams(c, r)
attr := params["attribute"]
resp := map[string]interface{}{"Login": user.Login}
if r.Method == "GET" {
switch attr {
case "FirstName":
resp[attr] = user.FirstName
case "LastName":
resp[attr] = user.LastName
case "Email":
resp[attr] = user.Email
case "ProfileData":
resp[attr] = user.ProfileData
default:
err = errors.New("Error getting user attribute: unknown attribute " + attr)
}
} else if r.Method == "POST" {
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
buf.ReadFrom(r.Body)
switch attr {
case "FirstName":
user.FirstName = buf.String()
case "LastName":
user.LastName = buf.String()
case "Email":
user.Email = buf.String()
case "ProfileData":
err = json.Unmarshal(buf.Bytes(), &user.ProfileData)
case "password":
data := struct {
Current string
New string
}{}
err = json.Unmarshal(buf.Bytes(), &data)
if err == nil {
/* TODO: non-fatal error */
if user.Authenticate(data.Current) {
err = user.SetPassword(data.New)
} else {
err = errors.New("Error change user password: current password is invalid")
}
}
default:
err = errors.New("Error getting user attribute: unknown attribute " + attr)
}
if err == nil {
err = db.UpdateUser(user)
}
if err == nil {
resp["Success"] = true
resp["Attribute"] = attr
}
}
var b []byte
if err == nil {
b, err = json.Marshal(resp)
}
if err != nil {
webfw.GetLogger(c).Print(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Write(b)
}
}
func (con Article) Handler(c context.Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var err error
db := readeef.GetDB(c)
user := readeef.GetUser(c, r)
params := webfw.GetParams(c, r)
action := params["action"]
readeef.Debug.Printf("Invoking Article controller with action '%s', feed id '%s' and article id '%s'\n", action, params["feed-id"], params["article-id"])
var feedId int64
feedId, err = strconv.ParseInt(params["feed-id"], 10, 64)
var article readeef.Article
if err == nil {
article, err = db.GetFeedArticle(feedId, params["article-id"], user)
}
if err == nil {
switch action {
case "read":
read := params["value"] == "true"
previouslyRead := article.Read
if previouslyRead != read {
err = db.MarkUserArticlesAsRead(user, []readeef.Article{article}, read)
if err != nil {
break
}
}
type response struct {
Success bool
Read bool
}
resp := response{Success: previouslyRead != read, Read: read}
var b []byte
b, err = json.Marshal(resp)
if err != nil {
break
}
w.Write(b)
case "favorite":
favorite := params["value"] == "true"
previouslyFavorite := article.Favorite
if previouslyFavorite != favorite {
err = db.MarkUserArticlesAsFavorite(user, []readeef.Article{article}, favorite)
if err != nil {
break
}
}
type response struct {
Success bool
Favorite bool
}
resp := response{Success: previouslyFavorite != favorite, Favorite: favorite}
var b []byte
b, err = json.Marshal(resp)
if err != nil {
break
}
w.Write(b)
}
}
if err != nil {
webfw.GetLogger(c).Print(err)
w.WriteHeader(http.StatusInternalServerError)
}
}
}
func (con User) Handler(c context.Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var err error
db := readeef.GetDB(c)
user := readeef.GetUser(c, r)
if !user.Admin {
readeef.Debug.Println("User " + user.Login + " is not an admin")
w.WriteHeader(http.StatusForbidden)
return
}
action := webfw.GetMultiPatternIdentifier(c, r)
params := webfw.GetParams(c, r)
resp := make(map[string]interface{})
switch action {
case "list":
users, err := db.GetUsers()
if err != nil {
break
}
type user struct {
Login string
FirstName string
LastName string
Email string
Active bool
Admin bool
}
userList := []user{}
for _, u := range users {
userList = append(userList, user{
Login: u.Login,
FirstName: u.FirstName,
LastName: u.LastName,
Email: u.Email,
Active: u.Active,
Admin: u.Admin,
})
}
resp["Users"] = userList
case "add":
login := params["login"]
_, err = db.GetUser(login)
/* TODO: non-fatal error */
if err == nil {
err = errors.New("User with login " + login + " already exists")
break
} else if err != sql.ErrNoRows {
break
}
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
buf.ReadFrom(r.Body)
u := readeef.User{Login: login}
err = u.SetPassword(buf.String())
if err != nil {
break
}
err = db.UpdateUser(u)
if err != nil {
break
}
resp["Success"] = true
resp["Login"] = login
case "remove":
login := params["login"]
if user.Login == login {
err = errors.New("The current user cannot be removed")
break
}
var u readeef.User
u, err = db.GetUser(login)
if err != nil {
break
}
err = db.DeleteUser(u)
if err != nil {
break
}
resp["Success"] = true
resp["Login"] = login
case "active":
login := params["login"]
if user.Login == login {
err = errors.New("The current user cannot be removed")
break
}
active := params["state"] == "true"
var u readeef.User
u, err = db.GetUser(login)
if err != nil {
break
}
u.Active = active
err = db.UpdateUser(u)
if err != nil {
break
}
resp["Success"] = true
resp["Login"] = login
}
var b []byte
if err == nil {
b, err = json.Marshal(resp)
}
if err != nil {
webfw.GetLogger(c).Print(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Write(b)
}
}