Restructure project layout

internal/api/context.go

@@ -0,0 +1,49 @@
+package api
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/pushbits/server/internal/model"
+
+	"github.com/gin-gonic/gin"
+)
+
+func getID(ctx *gin.Context) (uint, error) {
+	id, ok := ctx.MustGet("id").(uint)
+	if !ok {
+		err := errors.New("an error occured while retrieving ID from context")
+		ctx.AbortWithError(http.StatusInternalServerError, err)
+		return 0, err
+	}
+
+	return id, nil
+}
+
+func getApplication(ctx *gin.Context, db Database) (*model.Application, error) {
+	id, err := getID(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	application, err := db.GetApplicationByID(id)
+	if success := successOrAbort(ctx, http.StatusNotFound, err); !success {
+		return nil, err
+	}
+
+	return application, nil
+}
+
+func getUser(ctx *gin.Context, db Database) (*model.User, error) {
+	id, err := getID(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	user, err := db.GetUserByID(id)
+	if success := successOrAbort(ctx, http.StatusNotFound, err); !success {
+		return nil, err
+	}
+
+	return user, nil
+}