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package sfive
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"strconv"
"github.com/zenazn/goji"
"github.com/zenazn/goji/web"
)
func (srv Server) webHealthz(c web.C, w http.ResponseWriter, r *http.Request) {
// TODO: do a more sophisticated check
fmt.Fprintf(w, "%s\n", srv.store.GetStoreId())
}
func (srv Server) webGetSourcesList(c web.C, w http.ResponseWriter, r *http.Request) {
const resourceName = "sources"
values, err := srv.store.GetSources()
if err != nil {
http.Error(w, fmt.Sprintf("failed to retrieve %s: %v", resourceName, err), http.StatusInternalServerError)
return
}
jsonString, err := json.Marshal(DataContainer{values})
if err != nil {
http.Error(w, fmt.Sprintf("failed to marshal %s: %v", resourceName, err), http.StatusInternalServerError)
return
}
fmt.Fprintf(w, "%s", jsonString)
}
func (srv Server) webGetSource(c web.C, w http.ResponseWriter, r *http.Request) {
const resourceName = "source"
id, err := strconv.ParseInt(c.URLParams["id"], 10, 64)
if err != nil {
http.Error(w, fmt.Sprintf("invalid id: %s: %v", resourceName, err), http.StatusBadRequest)
return
}
value, err := srv.store.GetSource(int(id))
if err != nil {
if err == ErrNotFound {
http.Error(w, fmt.Sprintf("failed to retrieve %s: %v", resourceName, err), http.StatusNotFound)
} else {
http.Error(w, fmt.Sprintf("failed to retrieve %s: %v", resourceName, err), http.StatusInternalServerError)
}
return
}
jsonString, err := json.Marshal(value)
if err != nil {
http.Error(w, fmt.Sprintf("failed to marshal %s: %v", resourceName, err), http.StatusInternalServerError)
return
}
fmt.Fprintf(w, "%s", jsonString)
}
func (srv Server) webGetUpdateList(c web.C, w http.ResponseWriter, r *http.Request) {
const resourceName = "updates"
values, err := srv.getUpdatesAfterInvoke(-1, 3) // TODO: get start and limit from param
if err != nil {
http.Error(w, fmt.Sprintf("failed to retrieve %s: %v", resourceName, err), http.StatusInternalServerError)
return
}
jsonString, err := json.Marshal(DataContainer{values})
if err != nil {
http.Error(w, fmt.Sprintf("failed to marshal %s: %v", resourceName, err), http.StatusInternalServerError)
return
}
fmt.Fprintf(w, "%s", jsonString)
}
func (srv Server) webGetUpdate(c web.C, w http.ResponseWriter, r *http.Request) {
const resourceName = "update"
id, err := strconv.ParseInt(c.URLParams["id"], 10, 64)
if err != nil {
http.Error(w, fmt.Sprintf("invalid id: %s: %v", resourceName, err), http.StatusBadRequest)
return
}
value, err := srv.store.GetUpdate(int(id))
if err != nil {
if err == ErrNotFound {
http.Error(w, fmt.Sprintf("failed to retrieve %s: %v", resourceName, err), http.StatusNotFound)
} else {
http.Error(w, fmt.Sprintf("failed to retrieve %s: %v", resourceName, err), http.StatusInternalServerError)
}
return
}
jsonString, err := json.Marshal(value)
if err != nil {
http.Error(w, fmt.Sprintf("failed to marshal %s: %v", resourceName, err), http.StatusInternalServerError)
return
}
fmt.Fprintf(w, "%s", jsonString)
}
func (srv Server) webPostUpdate(c web.C, w http.ResponseWriter, r *http.Request) {
const resourceName = "update"
decoder := NewPlainDecoder()
buffer, err := ioutil.ReadAll(r.Body)
if err != nil {
s5l.Printf("web: failed to read post value: %v\n", err)
http.Error(w, fmt.Sprintf("failed reading : %s: %v", resourceName, err), http.StatusBadRequest)
return
}
container := DataUpdateFullContainer{}
err = json.Unmarshal(buffer, &container)
if err == nil {
token := appendManyToken{
data: container.Data,
response: make(chan bool, 2)}
defer close(token.response)
srv.appendManyData <- token
success := <-token.response
if !success {
http.Error(w, "failed to store data", http.StatusInternalServerError)
}
return
}
// else try single value
data, err := decoder.Decode(buffer)
if err != nil {
s5l.Printf("web: failed to decode: %v\n", err)
http.Error(w, fmt.Sprintf("failed decoding %s: %v", resourceName, err), http.StatusBadRequest)
return
}
srv.appendData <- data
// TODO send response channel, wait for OK
}
func (srv Server) webGetLastUpdateId(c web.C, w http.ResponseWriter, r *http.Request) {
const resourceName = "lastupdateid"
value, err := srv.store.GetLastUpdateId()
if err != nil {
http.Error(w, fmt.Sprintf("failed to retrieve %s: %v", resourceName, err), http.StatusInternalServerError)
return
}
fmt.Fprintf(w, "%d", value)
}
func (srv Server) webGetLastUpdateIdForUuid(c web.C, w http.ResponseWriter, r *http.Request) {
const resourceName = "lastupdateid"
id := c.URLParams["id"]
value, err := srv.store.GetLastUpdateForUuid(id)
if err != nil {
http.Error(w, fmt.Sprintf("failed to retrieve %s: %v", resourceName, err), http.StatusInternalServerError)
return
}
fmt.Fprintf(w, "%d", value)
}
func (srv Server) ServeWeb() {
goji.Get("/healthz", srv.webHealthz)
goji.Get("/sources", srv.webGetSourcesList)
goji.Get("/sources/:id", srv.webGetSource)
goji.Get("/updates", srv.webGetUpdateList)
goji.Get("/updates/:id", srv.webGetUpdate)
goji.Post("/updates", srv.webPostUpdate)
goji.Get("/lastupdate", srv.webGetLastUpdateId)
goji.Get("/lastupdate/:id", srv.webGetLastUpdateIdForUuid)
goji.Serve()
}
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