Exemple #1
0
// Get details about a visualization
func getVisualization(w http.ResponseWriter, r *http.Request) {
	c := appengine.NewContext(r)
	vars := mux.Vars(r)

	key, err := datastore.DecodeKey(vars["key"])
	if err != nil {
		common.Serve404(w)
		return
	}

	var e model.Visualization
	err = datastore.Get(c, key, &e)
	if err != nil {
		if err == datastore.ErrNoSuchEntity {
			common.Serve404(w)
			return
		}
		common.ServeError(c, w, err)
		return
	}

	res := map[string]interface{}{
		"Owner": key.Parent().StringID(),
		"Title": e.Title,
		"Date":  e.Date,
		"Files": e.Files,
	}

	common.WriteJson(c, w, res)
}
Exemple #2
0
// Get a file that is part of a visualization
func getVisualizationFile(w http.ResponseWriter, r *http.Request) {
	c := appengine.NewContext(r)
	vars := mux.Vars(r)

	// Get visualization object
	key, err := datastore.DecodeKey(vars["key"])
	if err != nil {
		common.Serve404(w)
		return
	}

	var e model.Visualization
	err = datastore.Get(c, key, &e)
	if err != nil {
		if err == datastore.ErrNoSuchEntity {
			common.Serve404(w)
			return
		}
		common.ServeError(c, w, err)
		return
	}

	// Find blob key
	filename := vars["filename"]
	for i := range e.Files {
		if e.Files[i].Filename == filename {
			blobstore.Send(w, appengine.BlobKey(e.Files[i].BlobKey))
			return
		}
	}

	common.Serve404(w)
}
Exemple #3
0
// Seat a title for a visualization
func setVisualizationTitle(w http.ResponseWriter, r *http.Request) {
	c := appengine.NewContext(r)
	vars := mux.Vars(r)
	u := user.Current(c)

	// Check if user is logged in
	if u == nil {
		common.Serve401(w)
		return
	}

	title := r.PostFormValue("title")

	key, err := datastore.DecodeKey(vars["key"])
	if err != nil {
		common.Serve404(w)
		return
	}

	// Check if user is the owner
	if key.Parent().StringID() != u.ID {
		common.Serve403(w)
		return
	}

	// Start a datastore transaction
	var e model.Visualization
	err = datastore.RunInTransaction(c, func(c appengine.Context) error {
		// Get the visualization object
		err = datastore.Get(c, key, &e)
		if err != nil {
			return err
		}

		// Change the title
		e.Title = title

		// Save the visualization object
		key, err = datastore.Put(c, key, &e)
		return err
	}, nil)
	if err != nil {
		if err == datastore.ErrNoSuchEntity {
			common.Serve404(w)
			return
		}
		common.ServeError(c, w, err)
		return
	}
}
Exemple #4
0
// Get a file that is part of a module
func getModuleFile(w http.ResponseWriter, r *http.Request) {
	c := appengine.NewContext(r)
	vars := mux.Vars(r)

	// Get module object
	accKey, _, err := model.GetAccountByDevname(c, vars["devname"])
	if err != nil {
		common.ServeError(c, w, err)
		return
	}
	if accKey == nil {
		common.Serve404(w)
		return
	}
	key := datastore.NewKey(c, "module", vars["name"], 0, accKey)

	var e model.Module
	err = datastore.Get(c, key, &e)
	if err != nil {
		if err == datastore.ErrNoSuchEntity {
			common.Serve404(w)
			return
		}
		common.ServeError(c, w, err)
		return
	}

	// Find blob key
	filename := vars["filename"]
	for i := range e.Files {
		if e.Files[i].Filename == filename {
			blobstore.Send(w, appengine.BlobKey(e.Files[i].BlobKey))
			return
		}
	}

	common.Serve404(w)
}
Exemple #5
0
// Get index file (html) for a visualization
func getVisualizationIndex(w http.ResponseWriter, r *http.Request) {
	c := appengine.NewContext(r)
	vars := mux.Vars(r)

	// Get visualization object
	key, err := datastore.DecodeKey(vars["key"])
	if err != nil {
		common.Serve404(w)
		return
	}

	var e model.Visualization
	err = datastore.Get(c, key, &e)
	if err != nil {
		if err == datastore.ErrNoSuchEntity {
			common.Serve404(w)
			return
		}
		common.ServeError(c, w, err)
		return
	}

	// Check if avy.js exists
	exists := false
	for i := range e.Files {
		if e.Files[i].Filename == "avy.js" {
			exists = true
			break
		}
	}

	if exists {
		templates.ExecuteTemplate(w, "index", nil)
	} else {
		templates.ExecuteTemplate(w, "noavyjs", nil)
	}
}
Exemple #6
0
// Get details about a module
func getModule(w http.ResponseWriter, r *http.Request) {
	c := appengine.NewContext(r)
	vars := mux.Vars(r)

	accKey, _, err := model.GetAccountByDevname(c, vars["devname"])
	if err != nil {
		if err == datastore.ErrNoSuchEntity {
			common.Serve404(w)
			return
		}
		common.ServeError(c, w, err)
		return
	}
	key := datastore.NewKey(c, "module", vars["name"], 0, accKey)

	var e model.Module
	err = datastore.Get(c, key, &e)
	if err != nil {
		if err == datastore.ErrNoSuchEntity {
			common.Serve404(w)
			return
		}
		common.ServeError(c, w, err)
		return
	}

	res := map[string]interface{}{
		"Owner":   key.Parent().StringID(),
		"Devname": e.Devname,
		"Name":    e.Name,
		"Date":    e.Date,
		"Files":   e.Files,
	}

	common.WriteJson(c, w, res)
}
Exemple #7
0
// Create a new module
func newModule(w http.ResponseWriter, r *http.Request) {
	c := appengine.NewContext(r)
	u := user.Current(c)

	acc, err := model.GetAccount(c, u)
	if err != nil {
		common.ServeError(c, w, err)
		return
	}
	if acc == nil {
		common.Serve401(w)
		return
	}

	// Parse form data
	devname := r.PostFormValue("devname")
	name := r.PostFormValue("name")

	// Set user developer name
	if acc.Devname == "" {
		if devname == "" {
			common.Serve404(w) // TODO: maybe 400 instead
			return
		}
		acc.Devname = devname
		err := model.SaveAccount(c, u, acc)
		if err != nil {
			common.ServeError(c, w, err)
			return
		}
	} else {
		devname = acc.Devname
	}

	e := model.Module{devname, name, time.Now(), nil}
	_, err = datastore.Put(c, datastore.NewKey(c, "module", name, 0, model.GetAccountKey(c, u)), &e)
	if err != nil {
		common.ServeError(c, w, err)
		return
	}

	common.WriteJson(c, w, map[string]string{"Devname": devname, "Name": name})
}
Exemple #8
0
// Serve a 404 error - file not found
func anif404(w http.ResponseWriter, r *http.Request) {
	common.Serve404(w)
}
Exemple #9
0
// Upload a file to a visualization
func postVisualizationFile(w http.ResponseWriter, r *http.Request) {
	c := appengine.NewContext(r)
	vars := mux.Vars(r)
	u := user.Current(c)

	// Check if user is logged in
	if u == nil {
		common.Serve401(w)
		return
	}

	key, err := datastore.DecodeKey(vars["key"])
	if err != nil {
		common.Serve404(w)
		return
	}

	// Check if user is the owner
	if key.Parent().StringID() != u.ID {
		common.Serve403(w)
		return
	}

	// Start a datastore transaction
	var e model.Visualization
	err = datastore.RunInTransaction(c, func(c appengine.Context) error {
		// Get the visualization object
		err = datastore.Get(c, key, &e)
		if err != nil {
			return err
		}

		if vars["action"] == "delete" {
			e.Files, err = deleteFile(c, r, e.Files)
			if err != nil {
				return err
			}
		} else {
			e.Files, err = uploadFile(c, r, e.Files)
			if err != nil {
				return err
			}
		}

		// Save the visualization object
		key, err = datastore.Put(c, key, &e)
		return err
	}, nil)
	if err != nil {
		if err == datastore.ErrNoSuchEntity {
			common.Serve404(w)
			return
		}
		common.ServeError(c, w, err)
		return
	}

	res := map[string]interface{}{
		"Owner": key.Parent().StringID(),
		"Title": e.Title,
		"Date":  e.Date,
		"Files": e.Files,
	}

	common.WriteJson(c, w, res)
}