Added method to update an author

Signed-off-by: kolaente <konrad@kola-entertainments.de>

models/authors_update.go

@@ -0,0 +1,14 @@
+package models
+
+func UpdateAuthor(author Author, id int64) (newAuthor Author, err error){
+	_, err = x.Where("id = ?", id).Update(&author)
+
+	if err != nil {
+		return Author{}, err
+	}
+
+	// Get the newly updated author
+	newAuthor, _, err = GetAuthorByID(id)
+
+	return newAuthor, err
+}

routes/api/v1/authors_update.go

@@ -0,0 +1,56 @@
+package v1
+
+import (
+	"github.com/labstack/echo"
+	"net/http"
+	"git.mowie.cc/konrad/Library/models"
+	"encoding/json"
+	"strings"
+	"strconv"
+)
+
+func AuthorUpdate(c echo.Context) error {
+	// Check for Request Content
+	author := c.FormValue("author")
+	if author == "" {
+		return c.JSON(http.StatusBadRequest, models.Message{"No author model provided"})
+	}
+
+	// Look for the authors id
+	id := c.Param("id")
+
+	// Make int
+	authorID, err := strconv.ParseInt(id, 10, 64)
+
+	if err != nil {
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not get author infos"})
+	}
+
+	// Check if the author exists
+	_, exists, err := models.GetAuthorByID(authorID)
+	if err != nil {
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not get author infos"})
+	}
+
+	if !exists {
+		return c.JSON(http.StatusBadRequest, models.Message{"The author does not exist."})
+	}
+
+	// Decode the JSON
+	var authorstruct models.Author
+	dec := json.NewDecoder(strings.NewReader(author))
+
+	err = dec.Decode(&authorstruct)
+	if err != nil {
+		return c.JSON(http.StatusInternalServerError, models.Message{"Error decoding author: " + err.Error()})
+	}
+
+	// Insert the author
+	newAuthor, err := models.UpdateAuthor(authorstruct, authorID)
+
+	if err != nil {
+		return c.JSON(http.StatusInternalServerError, models.Message{"Error"})
+	}
+
+	return c.JSON(http.StatusOK, newAuthor)
+}

routes/routes.go

@@ -57,6 +57,7 @@ func RegisterRoutes(e *echo.Echo) {
 	// Manage Authors
 	a.PUT("/authors", apiv1.AuthorAdd)
 	a.DELETE("/authors/:id", apiv1.AuthorDelete)
+	a.POST("/authors/:id", apiv1.AuthorUpdate)
 
 	// Manage Publishers
 	a.PUT("/publishers", apiv1.PublisherAdd)