api_imports.go

//
//  tank
//
//  Import and Playlist Daemon for autoradio project
//
//
//  Copyright (C) 2017-2018 Christian Pointner <equinox@helsinki.at>
//
//  This file is part of tank.
//
//  tank is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  any later version.
//
//  tank is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with tank. If not, see <http://www.gnu.org/licenses/>.
//

package v1

import (
	"net/http"

	"github.com/gorilla/mux"
)

func (api *API) ListImportsOfGroup() http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		jobs, err := api.importer.ListJobs(vars["group-id"])
		if err != nil {
			sendError(w, err)
			return
		}
		sendWebResponse(w, http.StatusOK, JobsListing{jobs})
	})
}

func (api *API) ReadImportOfFile() http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		id, err := idFromString(vars["file-id"])
		if err != nil {
			sendWebResponse(w, http.StatusBadRequest, ErrorResponse{Error: "invalid file-id: " + err.Error()})
			return
		}
		job, err := api.importer.GetJob(vars["group-id"], id)
		if err != nil {
			// TODO: return import info from store if err == ErrNotFound
			sendError(w, err)
			return
		}
		sendWebResponse(w, http.StatusOK, job)
	})
}

func (api *API) UploadFile() http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		id, err := idFromString(vars["file-id"])
		if err != nil {
			sendWebResponse(w, http.StatusBadRequest, ErrorResponse{Error: "invalid file-id: " + err.Error()})
			return
		}
		job, err := api.importer.GetJob(vars["group-id"], id)
		if err != nil {
			sendError(w, err)
			return
		}

		if err = job.AttachSource(uint64(r.ContentLength), r.Body); err != nil {
			sendError(w, err)
			return
		}
		<-job.Done()

		// TODO: get result from job
		sendWebResponse(w, http.StatusOK, nil)
	})
}

func (api *API) CancelImportOfFile() http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		id, err := idFromString(vars["file-id"])
		if err != nil {
			sendWebResponse(w, http.StatusBadRequest, ErrorResponse{Error: "invalid file-id: " + err.Error()})
			return
		}
		job, err := api.importer.GetJob(vars["group-id"], id)
		if err != nil {
			sendError(w, err)
			return
		}
		job.Cancel()
		sendWebResponse(w, http.StatusNoContent, nil)
	})
}