mig/mig-api/command_endpoints.go

112 строки
3.5 KiB
Go

// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
//
// Contributor: Julien Vehent jvehent@mozilla.com [:ulfr]
package main
import (
"fmt"
"mig.ninja/mig"
"net/http"
"strconv"
"github.com/jvehent/cljs"
)
// getCommand takes an actionid and a commandid and returns a command
func getCommand(respWriter http.ResponseWriter, request *http.Request) {
var err error
opid := getOpID(request)
loc := fmt.Sprintf("%s%s", ctx.Server.Host, request.URL.String())
resource := cljs.New(loc)
defer func() {
if e := recover(); e != nil {
emsg := fmt.Sprintf("%v", e)
ctx.Channels.Log <- mig.Log{OpID: opid, Desc: emsg}.Err()
resource.SetError(cljs.Error{Code: fmt.Sprintf("%.0f", opid), Message: emsg})
respond(500, resource, respWriter, request)
}
ctx.Channels.Log <- mig.Log{OpID: opid, Desc: "leaving getCommand()"}.Debug()
}()
commandID, err := strconv.ParseFloat(request.URL.Query()["commandid"][0], 64)
if err != nil {
err = fmt.Errorf("Wrong parameters 'commandid': '%v'", err)
panic(err)
}
// retrieve the command
var cmd mig.Command
if commandID > 0 {
cmd, err = ctx.DB.CommandByID(commandID)
if err != nil {
if fmt.Sprintf("%v", err) == "Error while retrieving command: 'sql: no rows in result set'" {
// not found, return 404
resource.SetError(cljs.Error{
Code: fmt.Sprintf("%.0f", opid),
Message: fmt.Sprintf("Command ID '%.0f' not found", commandID)})
respond(404, resource, respWriter, request)
return
} else {
panic(err)
}
}
} else {
// bad request, return 400
resource.SetError(cljs.Error{
Code: fmt.Sprintf("%.0f", opid),
Message: fmt.Sprintf("Invalid Command ID '%.0f'", commandID)})
respond(400, resource, respWriter, request)
return
}
// store the results in the resource
commandItem, err := commandToItem(cmd)
if err != nil {
panic(err)
}
resource.AddItem(commandItem)
respond(200, resource, respWriter, request)
}
// describeCancelCommand returns a resource that describes how to cancel a command
func describeCancelCommand(respWriter http.ResponseWriter, request *http.Request) {
var err error
opid := getOpID(request)
loc := fmt.Sprintf("%s%s", ctx.Server.Host, request.URL.String())
resource := cljs.New(loc)
defer func() {
if e := recover(); e != nil {
ctx.Channels.Log <- mig.Log{OpID: opid, Desc: fmt.Sprintf("%v", e)}.Err()
resource.SetError(cljs.Error{Code: fmt.Sprintf("%.0f", opid), Message: fmt.Sprintf("%v", e)})
respond(500, resource, respWriter, request)
}
ctx.Channels.Log <- mig.Log{OpID: opid, Desc: "leaving describeCancelCommand()"}.Debug()
}()
err = resource.SetTemplate(cljs.Template{
Data: []cljs.Data{
{Name: "actionid", Value: "[0-9]{1,20}", Prompt: "Action ID"},
{Name: "commandid", Value: "[0-9]{1,20}", Prompt: "Command ID"},
},
})
if err != nil {
panic(err)
}
respond(200, resource, respWriter, request)
}
// commandToItem receives a command and returns an Item in Collection+JSON
func commandToItem(cmd mig.Command) (item cljs.Item, err error) {
item.Href = fmt.Sprintf("%s/command?commandid=%.0f", ctx.Server.BaseURL, cmd.ID)
links := make([]cljs.Link, 0)
link := cljs.Link{
Rel: "action",
Href: fmt.Sprintf("%s/action?actionid=%.0f", ctx.Server.BaseURL, cmd.Action.ID),
}
links = append(links, link)
item.Links = links
item.Data = []cljs.Data{
{Name: "command", Value: cmd},
}
return
}