/*
Check if a feed url is already subscribed.
method: GET
path: /api/feed/subscription?url={}
example: /api/feed/subscription?url=http://127.0.0.1&token=xxxx
The output is like: {"request_id":"06442e9fa31f9c8620c68ab9e2df89c4","success":true,"error":{"errcode":0,"errmsg":""},"result":false}
*/
func IsSubscribed() martini.Handler {
return func(w http.ResponseWriter, r *http.Request, rid httphelper.RequestId) {
var result Result
r.ParseForm()
url := httphelper.QueryValue(r, "url")
ok, err := model.IsSubscribed(url)
if err != nil {
result.Success = false
result.Error = ErrQueryDB
result.Result = false
result.IntError = err
} else {
result.Success = true
result.Result = ok
}
result.Response(w, rid)
}
}
/*
Subscribe a feed.
method: POST
path: /api/feed/subscription?url={}
example: /api/feed/subscription?url=http://127.0.0.1&token=xxxx
postdata: nothing
The output is like: {"request_id":"ed4149c76a0910e9b4d3f5921f1cfda3","success":true,"error":{"errcode":0,"errmsg":""},"result":{"id":2,"number":2}}
*/
func Subscribe() martini.Handler {
return func(w http.ResponseWriter, r *http.Request, rid httphelper.RequestId) {
var result Result
result.RequestId = rid
r.ParseForm()
url := httphelper.QueryValue(r, "url")
ok, err := model.IsSubscribed(url)
if err != nil {
result.Success = false
result.Error = ErrQueryDB
result.Result = url
result.IntError = err
result.Response(w)
return
}
if ok {
result.Success = false
result.Error = ErrAlreadySubscribed
result.Result = nil
result.Response(w)
return
}
feed, items, err := model.FetchFeed(url)
if err != nil {
result.Success = false
if _, ok := err.(*feedreader.ParseError); ok {
result.Error = ErrParseError
} else {
result.Error = ErrFetchError
}
result.Result = url
result.IntError = err
result.Response(w)
return
}
id, number, name, err := model.Subscribe(feed, items)
if err != nil {
result.Success = false
result.Error = ErrQueryDB
result.Result = url
result.IntError = err
result.Response(w)
return
}
result.Success = true
var t struct {
Id int64 `json:"id"`
Number int64 `json:"number"`
Name string `json:"name"`
}
t.Id = id
t.Number = number
t.Name = name
result.Result = t
result.Response(w)
}
}