Leena #11
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,85 +1,127 @@ | ||
| package controllers | ||
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| import ( | ||
| "errors" | ||
| "encoding/json" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "strconv" | ||
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| "cloud.google.com/go/datastore" | ||
| "github.com/go-martini/martini" | ||
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| "acme-books/models" | ||
| "acme-books/utils" | ||
| ) | ||
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| type LibraryController struct{} | ||
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| func (lc LibraryController) GetByKey(params martini.Params, w http.ResponseWriter, bookInt models.BookInterface) { | ||
| id, err := strconv.Atoi(params["id"]) | ||
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| if err != nil { | ||
| utils.HandleError(err, w, http.StatusBadRequest) | ||
| return | ||
| } | ||
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| book, err := bookInt.GetByKey(id) | ||
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| if err != nil { | ||
| if err == datastore.ErrNoSuchEntity { | ||
| utils.HandleError(err, w, http.StatusNotFound) | ||
| } else { | ||
| utils.HandleError(err, w, http.StatusInternalServerError) | ||
| } | ||
| return | ||
| } | ||
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| utils.WriteJsonResp(w, book) | ||
| } | ||
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| func (lc LibraryController) ListAll(r *http.Request, w http.ResponseWriter, bookInt models.BookInterface) { | ||
| title := r.URL.Query().Get("title"); | ||
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| books, err := bookInt.Query(title) | ||
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| if err != nil { | ||
| utils.HandleError(err, w, http.StatusInternalServerError) | ||
| return | ||
| } | ||
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| utils.WriteJsonResp(w, books) | ||
| } | ||
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| func (lc LibraryController) Borrow(params martini.Params, w http.ResponseWriter, bookInt models.BookInterface) { | ||
| id, err := strconv.Atoi(params["id"]) | ||
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| if err != nil { | ||
| utils.HandleError(err, w, http.StatusBadRequest) | ||
| return | ||
| } | ||
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| getBookAndUpdateStatus(id, "borrow", w, bookInt) | ||
| } | ||
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| func (lc LibraryController) Return(params martini.Params, w http.ResponseWriter, bookInt models.BookInterface) { | ||
| id, err := strconv.Atoi(params["id"]) | ||
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| if err != nil { | ||
| utils.HandleError(err, w, http.StatusBadRequest) | ||
| return | ||
| } | ||
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| getBookAndUpdateStatus(id, "return", w, bookInt) | ||
| } | ||
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| func getBookAndUpdateStatus(id int, status string, w http.ResponseWriter, bookInt models.BookInterface) { | ||
| book, err := bookInt.GetByKey(id) | ||
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| if err != nil { | ||
| if err == datastore.ErrNoSuchEntity { | ||
| utils.HandleError(err, w, http.StatusBadRequest) | ||
| } else { | ||
| utils.HandleError(err, w, http.StatusInternalServerError) | ||
| } | ||
| return | ||
| } | ||
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| if status == "borrow" && book.Borrowed { | ||
| err := errors.New("Already Borrowed") | ||
| utils.HandleError(err, w, http.StatusBadRequest) | ||
| return | ||
| } else if status == "return" && !book.Borrowed { | ||
| err := errors.New("Not Borrowed") | ||
| utils.HandleError(err, w, http.StatusBadRequest) | ||
| return | ||
| } | ||
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| book.Borrowed = !book.Borrowed | ||
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| _, error := bookInt.Put(book, false) | ||
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| if error != nil { | ||
| utils.HandleError(err, w, http.StatusInternalServerError) | ||
| } | ||
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| w.WriteHeader(http.StatusNoContent) | ||
| } | ||
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| func (lc LibraryController) Create(r *http.Request, w http.ResponseWriter, bookInt models.BookInterface) { | ||
| if body, err := ioutil.ReadAll(r.Body); err != nil { | ||
| utils.HandleError(err, w, http.StatusInternalServerError) | ||
| } else { | ||
| var book models.Book | ||
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| if err = json.Unmarshal(body, &book); err != nil { | ||
| utils.HandleError(err, w, http.StatusInternalServerError) | ||
| } else { | ||
| id, err := bookInt.Put(book, true) | ||
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| if err != nil { | ||
| utils.HandleError(err, w, http.StatusInternalServerError) | ||
| } | ||
| book.Id = id | ||
| utils.WriteJsonResp(w, book) | ||
| } | ||
| } | ||
| } |
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not sure i was meant to change this
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The same thing happened to me here probably @tomw-1 knows better what's happening