Initialize repository

api/application.go

@@ -0,0 +1,63 @@
+package api
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/eikendev/pushbits/authentication"
+	"github.com/eikendev/pushbits/model"
+
+	"github.com/gin-gonic/gin"
+)
+
+// The ApplicationDatabase interface for encapsulating database access.
+type ApplicationDatabase interface {
+	CreateApplication(application *model.Application) error
+	GetApplicationByToken(token string) (*model.Application, error)
+}
+
+// The ApplicationDispatcher interface for relaying notifications.
+type ApplicationDispatcher interface {
+	RegisterApplication(name, user string) (string, error)
+}
+
+// ApplicationHandler holds information for processing requests about applications.
+type ApplicationHandler struct {
+	DB         ApplicationDatabase
+	Dispatcher ApplicationDispatcher
+}
+
+func (h *ApplicationHandler) applicationExists(token string) bool {
+	application, _ := h.DB.GetApplicationByToken(token)
+	return application != nil
+}
+
+// CreateApplication is used to create a new user.
+func (h *ApplicationHandler) CreateApplication(ctx *gin.Context) {
+	application := model.Application{}
+
+	if success := successOrAbort(ctx, http.StatusBadRequest, ctx.Bind(&application)); !success {
+		return
+	}
+
+	user := authentication.GetUser(ctx)
+
+	application.Token = authentication.GenerateNotExistingToken(authentication.GenerateApplicationToken, h.applicationExists)
+	application.UserID = user.ID
+
+	log.Printf("User %s will receive notifications for application %s.\n", user.Name, application.Name)
+
+	matrixid, err := h.Dispatcher.RegisterApplication(application.Name, user.MatrixID)
+
+	if success := successOrAbort(ctx, http.StatusInternalServerError, err); !success {
+		return
+	}
+
+	application.MatrixID = matrixid
+
+	if success := successOrAbort(ctx, http.StatusInternalServerError, h.DB.CreateApplication(&application)); !success {
+		return
+	}
+
+	ctx.JSON(http.StatusOK, &application)
+}