// GetList fetches the list for the given tag.
func GetList(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
// Get the Key.
vars := mux.Vars(r)
key := vars["key"]
// Handle Not-modified
ut := r.FormValue("date")
if ut != "" {
notmod(c, w, r, key, ut)
return
}
l, ok := GetListHelper(c, w, r, key)
if !ok {
return
}
// Save the results to memcache.
item := &memcache.Item{
Key: key,
Value: []byte(fmt.Sprintf("%d", l.LastModified.Unix())),
}
if err := memcache.Set(c, item); err != nil {
gorca.Log(c, r, "error", "failed to set memcache: %v", err)
}
// Write the lists as JSON.
gorca.WriteJSON(c, w, r, l)
}
// PutList saves the list for the given tag.
func PutList(w http.ResponseWriter, r *http.Request) {
// Get the context.
c := appengine.NewContext(r)
// Get the Key.
vars := mux.Vars(r)
key := vars["key"]
datastore.RunInTransaction(c, func(c appengine.Context) error {
// Get the original list.
ol, ok := GetListHelper(c, w, r, key)
if !ok {
return fmt.Errorf("getting original list")
}
// Get the new list from the body.
var nl List
if !gorca.UnmarshalFromBodyOrFail(c, w, r, &nl) {
return fmt.Errorf("unmarshalling")
}
// Merge the new list into the old list and remove deleted keys.
delskeys := ol.Merge(&nl)
if !gorca.DeleteStringKeys(c, w, r, delskeys) {
return fmt.Errorf("deleting keys")
}
// Update the values.
ol.LastModified = time.Now()
ol.Name = nl.Name
if !PutListHelper(c, w, r, ol) {
return fmt.Errorf("putting list")
}
// Remove it from memcache
memcache.Set(c, &memcache.Item{
Key: key,
Value: []byte(fmt.Sprintf("%d", ol.LastModified.Unix())),
})
// Return the updated list back.
gorca.WriteJSON(c, w, r, ol)
return nil
}, nil)
}
// GetLink fetches the link for the given tag.
func GetLink(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
// Get the Key.
vars := mux.Vars(r)
key := vars["key"]
l, ok := GetLinkHelper(c, w, r, key)
if !ok {
return
}
// Write the links as JSON.
gorca.WriteJSON(c, w, r, l)
}
// GetRecipe fetches the recipe for the given tag.
func GetRecipe(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
// Get the Key.
vars := mux.Vars(r)
key := vars["key"]
recipe, ok := GetRecipeHelper(c, w, r, key)
if !ok {
return
}
// Write the recipes as JSON.
gorca.WriteJSON(c, w, r, recipe)
}
// GetAllLists fetches all of the lists.
func GetAllLists(w http.ResponseWriter, r *http.Request) {
// Create the query.
c := appengine.NewContext(r)
q := datastore.NewQuery("List").Order("-LastModified")
// Fetch the lists.
lists := []List{}
if _, err := q.GetAll(c, &lists); err != nil {
gorca.LogAndUnexpected(c, w, r, err)
return
}
// Write the lists as JSON.
gorca.WriteJSON(c, w, r, lists)
}
// GetAllRecipes fetches all of the recipes.
func GetAllRecipes(w http.ResponseWriter, r *http.Request) {
// Create the query.
c := appengine.NewContext(r)
q := datastore.NewQuery("Recipe").Order("-LastModified")
// Fetch the recipes.
recipes := []Recipe{}
if _, err := q.GetAll(c, &recipes); err != nil {
gorca.LogAndUnexpected(c, w, r, err)
return
}
// We don't need the ingredients or directions
for _, recipe := range recipes {
recipe.Ingredients = []string{}
recipe.Directions = []string{}
}
// Write the recipes as JSON.
gorca.WriteJSON(c, w, r, recipes)
}
// PutLink saves the link for the given tag.
func PutLink(w http.ResponseWriter, r *http.Request) {
// Get the context.
c := appengine.NewContext(r)
// Get the Key.
vars := mux.Vars(r)
key := vars["key"]
datastore.RunInTransaction(c, func(c appengine.Context) error {
// Get the original link.
ol, ok := GetLinkHelper(c, w, r, key)
if !ok {
return fmt.Errorf("getting original link")
}
// Get the new link from the body.
var nl Link
if !gorca.UnmarshalFromBodyOrFail(c, w, r, &nl) {
return fmt.Errorf("unmarshalling")
}
// Update the values.
ol.Name = nl.Name
ol.Icon = nl.Icon
ol.Url = nl.Url
ol.Description = nl.Description
ol.Tags = nl.Tags
if !PutLinkHelper(c, w, r, ol) {
return fmt.Errorf("putting link")
}
// Return the updated link back.
gorca.WriteJSON(c, w, r, ol)
return nil
}, nil)
}
// GetAllLinks fetches all of the links.
func GetAllLinks(w http.ResponseWriter, r *http.Request) {
// Create the query.
c := appengine.NewContext(r)
q := datastore.NewQuery("Link")
search := r.FormValue("search")
if search != "" {
q = q.Filter("Tags =", search)
}
q = q.Order("Name")
// Fetch the links.
links := []Link{}
if _, err := q.GetAll(c, &links); err != nil {
gorca.LogAndUnexpected(c, w, r, err)
return
}
// Write the links as JSON.
gorca.WriteJSON(c, w, r, links)
}
// GetUser sends a JSON response with the current user information.
func GetUser(w http.ResponseWriter, r *http.Request) {
// Get the context.
c := appengine.NewContext(r)
// Get the current user.
u, ok := gorca.GetUserOrUnexpected(c, w, r)
if !ok {
return
}
// Get their logout URL.
logout, ok := gorca.GetUserLogoutURL(c, w, r, "/")
if !ok {
return
}
// Write the user information out.
gorca.WriteJSON(c, w, r, UserInfo{
Email: u.Email,
LogoutURL: logout,
})
}
// PutRecipe saves the recipe for the given tag.
func PutRecipe(w http.ResponseWriter, r *http.Request) {
// Get the context.
c := appengine.NewContext(r)
// Get the Key.
vars := mux.Vars(r)
key := vars["key"]
datastore.RunInTransaction(c, func(c appengine.Context) error {
// Get the original recipe.
or, ok := GetRecipeHelper(c, w, r, key)
if !ok {
return fmt.Errorf("getting original recipe")
}
// Get the new recipe from the body.
nr := &Recipe{}
if !gorca.UnmarshalFromBodyOrFail(c, w, r, nr) {
return fmt.Errorf("unmarshalling")
}
// Update the values.
nr.Key = or.Key
nr.URL = or.URL
nr.LastModified = time.Now()
if !PutRecipeHelper(c, w, r, nr) {
return fmt.Errorf("putting recipe")
}
// Return the updated recipe back.
gorca.WriteJSON(c, w, r, nr)
return nil
}, nil)
}
// PostList creates a new list from the POSTed data.
func PostList(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
datastore.RunInTransaction(c, func(c appengine.Context) error {
// Get the list from the body.
var l List
if !gorca.UnmarshalFromBodyOrFail(c, w, r, &l) {
return fmt.Errorf("unmarshalling")
}
// Create a new list in the datastore.
if !NewListHelper(c, w, r, &l) {
return fmt.Errorf("generating new list")
}
// Return the updated list back.
gorca.WriteJSON(c, w, r, l)
return nil
}, nil)
}
// PostRecipe creates a new recipe from the POSTed data. If a URL was
// given and the ingredients and diretions are blank, the information
// will be pulled from a URL if possible.
func PostRecipe(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
datastore.RunInTransaction(c, func(c appengine.Context) error {
// Get the recipe from the body.
var recipe Recipe
if !gorca.UnmarshalFromBodyOrFail(c, w, r, &recipe) {
return fmt.Errorf("unmarshalling")
}
// Create a new recipe in the datastore.
if !NewRecipeHelper(c, w, r, &recipe) {
return fmt.Errorf("generating new recipe")
}
// Return the updated recipe back.
gorca.WriteJSON(c, w, r, recipe)
return nil
}, nil)
}
